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Kerleroux B, Hak JF, Lapergue B, Bricout N, Zhu F, Inoue M, Janot K, Dargazanli C, Kaesmacher J, Rouchaud A, Forestier G, Gortais H, Benzakoun J, Yoshimoto T, Consoli A, Ben Hassen W, Henon H, Naggara O, Boulouis G. Endovascular therapy in patients with a large ischemic volume at presentation: An aggregate patient-level analysis. Clin Neurol Neurosurg 2024; 244:108452. [PMID: 39059286 DOI: 10.1016/j.clineuro.2024.108452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 07/03/2024] [Accepted: 07/12/2024] [Indexed: 07/28/2024]
Abstract
INTRODUCTION Recently, four randomized controlled trials (RCTs) have demonstrated the benefits of mechanical thrombectomy (MT) in patients with acute ischemic stroke (AIS) caused by anterior large vessel occlusion (LVO) and a large ischemic core at baseline (LIC). The purpose of this study was to investigate the features influencing the clinical outcome and the benefits of mechanical thrombectomy in this subgroup. METHODS We conducted a multicenter retrospective aggregate cohort study of patients with AIS-LVO and a LIC, assessed with quantitative core volume measures, treated with MT between 2012 and 2019. The data were queried through four registries, including patients with core volumes ≥50cc. Multivariable logistic regression models were employed to determine factors independently associated with clinical outcomes in patients with successful recanalization (modified-Thrombolysis-in-Cerebral-Infarction-score, mTICI=2b-3) and unsuccessful recanalization group (mTICI=0-2a). The primary endpoint was a favorable functional outcome at day-90, defined as a modified Rankin scale (mRS) of 0-3, accounting for the inherent severity of AIS with baseline LIC. Secondary outcomes included functional independence (mRS 0-2) at day-90, mortality, and symptomatic Intracranial Hemorrhage (sICH). RESULTS A total of 460 patients were included (mean age 66±14.2 years; 39.6 % females). The mean baseline NIHSS was 20±5.2, and the core volume was 103.2±54.6 ml. Overall, 39.8 % (183/460) of patients achieved a favorable outcome at day-90 (mRS 0-3). Successful recanalization was significantly associated with a more frequent favorable outcome (aOR, 4.79; 95 %CI, 2.73-8.38; P<0.01) and functional independence (P<0.01). This benefit remained significant in older patients and in patients with cores above 100cc. At 90 days, 147/460 patients (32 %) were deceased, with successful recanalization significantly associated with less frequent mortality (OR, 0.34; 95 %CI, 0.22-0.53; P<0.01). The rate of sICH was 17.4 % and did not differ significantly between groups. CONCLUSIONS In this large, pooled-cohort study of AIS-LVO patients with infarct cores over 50cc at baseline, we demonstrated that successful recanalization was associated with a better functional outcome, lower mortality, and similar rates of symptomatic intracranial hemorrhage for a wide spectrum of patients.
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Affiliation(s)
- Basile Kerleroux
- Department of Neuroradiology, CHU Marseille La Timone, Marseille, France.
| | - Jean François Hak
- Department of Neuroradiology, CHU Marseille La Timone, Marseille, France
| | | | - Nicolas Bricout
- Diagnostic and Interventional Neuroradiology, CHRU Lille, Lille, France
| | - François Zhu
- University Hospital of Nancy, Department of Diagnostic and Therapeutic Neuroradiology, INSERM U1254, IADI, Nancy F-54000, France
| | - Manabu Inoue
- Department of Cerebrovascular Medicine National Cerebral and Cardiovascular Center Suita Japan
| | - Kevin Janot
- Department of Neuroradiology, CHRU Tours, Tours, France
| | - Cyril Dargazanli
- Neuroradiology Department, CHRU Gui de Chauliac, Montpellier, France
| | - Johannes Kaesmacher
- Institute of Diagnostic, Interventional and Pediatric Radiology and Institute of Diagnostic and Interventional Neuroradiology, University Hospital Bern, Inselspital, University of Bern, Bern, Switzerland
| | - Aymeric Rouchaud
- Neuroradiology department, Dupuytren, University Hospital of Limoges, France
| | - Géraud Forestier
- Neuroradiology department, Dupuytren, University Hospital of Limoges, France
| | - Hugo Gortais
- Department of Neuroradiology, GHU Paris Psychiatrie et Neurosciences, Hospitalier Sainte Anne, Institut de Psychiatrie et Neurosciences de Paris (IPNP), UMR_S1266, INSERM, Université de Paris Centre, France
| | - Joseph Benzakoun
- Department of Neuroradiology, GHU Paris Psychiatrie et Neurosciences, Hospitalier Sainte Anne, Institut de Psychiatrie et Neurosciences de Paris (IPNP), UMR_S1266, INSERM, Université de Paris Centre, France
| | - Takeshi Yoshimoto
- Department of Neurology, National Cerebral and Cardiovascular Center Suita, Japan
| | - Arturo Consoli
- Department of Diagnostic and Interventional Neuroradiology, Foch Hospital, Suresnes, France
| | - Wagih Ben Hassen
- Department of Neuroradiology, CHU Marseille La Timone, Marseille, France
| | - Hilde Henon
- Univ. Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience & Cognition, Lille F-59000, France
| | - Olivier Naggara
- Department of Neuroradiology, CHU Marseille La Timone, Marseille, France
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Elawady SS, Abo Kasem R, Mulpur B, Cunningham C, Matsukawa H, Sowlat MM, Orscelik A, Nawabi NLA, Isidor J, Maier I, Jabbour P, Kim JT, Wolfe SQ, Rai A, Starke RM, Psychogios MN, Samaniego EA, Yoshimura S, Cuellar H, Howard BM, Alawieh A, Alaraj A, Ezzeldin M, Romano DG, Tanweer O, Mascitelli JR, Fragata I, Polifka AJ, Siddiqui F, Osbun JW, Grandhi R, Crosa RJ, Matouk C, Park MS, Brinjikji W, Moss M, Daglioglu E, Williamson R, Navia P, Kan P, De Leacy RA, Chowdhry SA, Altschul D, Spiotta AM, Levitt MR, Goyal N. Comparison of combined intravenous and intra-arterial thrombolysis with intravenous thrombolysis alone in stroke patients undergoing mechanical thrombectomy: a propensity-matched analysis. J Neurointerv Surg 2024:jnis-2024-021975. [PMID: 39179373 DOI: 10.1136/jnis-2024-021975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 08/01/2024] [Indexed: 08/26/2024]
Abstract
BACKGROUND A combination of intravenous (IVT) or intra-arterial (IAT) thrombolysis with mechanical thrombectomy (MT) for acute ischemic stroke due to large vessel occlusion (AIS-LVO) has been investigated. However, there is limited data on patients who receive both IVT and IAT compared with IVT alone before MT. METHODS STAR data from 2013 to 2023 was utilized. We performed propensity score matching between the two groups. The primary outcomes were symptomatic intracranial hemorrhage (sICH) and 90-day modified Rankin Scale (mRS) score 0-2. Secondary outcomes included successful recanalization (modified treatment in cerebral infarction (mTICI) ≥2B, ≥2C), early neurological improvement, any intracranial hemorrhage (ICH), and 90-day mortality. RESULTS A total of 2454 AIS-LVO patients were included. Propensity matching yielded 190 well-matched patients in each group. No significant differences were observed between the groups in either ICH or sICH (odds ratio (OR): 0.80, 95% confidence interval (CI) 0.51-1.24, P=0.37; OR: 0.60, 95% CI 0.29 to 1.24, P=0.21, respectively). Rates of successful recanalization and early neurological improvement (ENI) were significantly lower in MT+IVT + IAT. mRS 0-1 and mortality were not significantly different between the two groups. However, the MT+IVT + IAT group demonstrated superior rates of good functional outcomes (90-day mRS 0-1) compared with patients in the MT+IVT group who had mTICI ≤2B, (OR: 2.18, 95% CI 1.05 to 3.99, P=0.04). CONCLUSION The combined use of IAT and IVT thrombolysis in AIS-LVO patients undergoing MT is safe. Although the MT+IVT+ IAT group demonstrated lower rates of recanalization and early neurological improvement, long-term functional outcomes were favorable in this group suggesting a potential delayed benefit of IAT.
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Affiliation(s)
- Sameh Samir Elawady
- Department of Neurosurgery, Division of Neuroendovascular Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Rahim Abo Kasem
- Department of Neurosurgery, Division of Neuroendovascular Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Bhageeradh Mulpur
- Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Conor Cunningham
- Department of Neurosurgery, Division of Neuroendovascular Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Hidetoshi Matsukawa
- Department of Neurosurgery, Division of Neuroendovascular Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Neurosurgery, Hyogo College of Medicine, Nishinomiya, Japan
| | - Mohammad-Mahdi Sowlat
- Department of Neurosurgery, Division of Neuroendovascular Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Atakan Orscelik
- Department of Neurosurgery, UCSF School of Medicine, San Francisco, California, USA
| | - Noah L A Nawabi
- Department of Neurosurgery, Division of Neuroendovascular Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Julio Isidor
- Department of Neurosurgery, Division of Neuroendovascular Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Ilko Maier
- Department of Neurology, University Medicine Goettingen, Goettingen, NS, Germany
| | - Pascal Jabbour
- Department of Neurological surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Joon-Tae Kim
- Department of Neurology, Chonnam National University Medical School, Gwangju, Gwangju, Korea (the Republic of)
| | - Stacey Q Wolfe
- Department of Neurosurgery, Wake Forest School of Medicine, Winston Salem, North Carolina, USA
| | - Ansaar Rai
- Department of Radiology, West Virginia University Hospitals, Morgantown, West Virginia, USA
| | - Robert M Starke
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Marios-Nikos Psychogios
- Department of Neuroradiology, Clinic of Radiology and Nuclear Medicine, University Hospital Basel, Basel, Switzerland
| | - Edgar A Samaniego
- Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Shinichi Yoshimura
- Department of Neurosurgery, Hyogo College of Medicine, Nishinomiya, Japan
| | - Hugo Cuellar
- Department of Neurosurgery, LSUHSC, Shreveport, Louisiana, USA
| | - Brian M Howard
- Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia, USA
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Ali Alawieh
- Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Ali Alaraj
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Mohamad Ezzeldin
- Department of Clinical Sciences, College of Medicine, University of Houston, Houston, Texas, USA
- Department of Neuroendovascular surgery, HCA Houston, Houston, Texas, USA
| | - Daniele G Romano
- Department of Neurordiology, University Hospital 'San Giovanni di Dio e Ruggi d'Aragona', Salerno, Italy
| | - Omar Tanweer
- Department of Neurosurgery, Baylor College of Medicine, Houston, Texas, USA
| | - Justin R Mascitelli
- Deparment of Neurosurgery, The University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
| | - Isabel Fragata
- Department of Neuroradiology, Centro Hospitalar de Lisboa Central, Lisboa, Portugal
| | - Adam J Polifka
- Department of Neurosurgery, University of Florida, Gainesville, Florida, USA
| | - Fazeel Siddiqui
- Department of Neuroscience, University of Michigan Health-West, Wyoming, Wyoming, USA
| | - Joshua W Osbun
- Department of Neurosurgery, Washington University in Saint Louis School of Medicine, Saint Louis, Missouri, USA
| | - Ramesh Grandhi
- Department of Neurosurgery, University of Utah Health, Salt Lake City, Utah, USA
| | - Roberto Javier Crosa
- Department of Endovascular Neurosurgery, Médica Uruguaya, Montevideo, Montevideo, Uruguay
| | - Charles Matouk
- Department of Neurosurgery, Yale University, New Haven, Connecticut, USA
| | - Min S Park
- Department of Neurosurgery, University of Virginia, Charlottesville, Virginia, USA
| | - Waleed Brinjikji
- Department of Radiology, Mayo Clinic Minnesota, Rochester, Minnesota, USA
| | - Mark Moss
- Department of Neuroradiology, Washington Regional J.B. Hunt Transport Services Neuroscience Institute, Fayetteville, Arizona, USA
| | - Ergun Daglioglu
- Department of Neurosurgery, Ankara Bilkent City Hospital, Ankara, Turkey
| | - Richard Williamson
- Department of Neurology, Allegheny Health Network, Pittsburgh, Pennsylvania, USA
| | - Pedro Navia
- Department of Interventional and Diagnostic Neuroradiology, Hospital Universitario La Paz, Madrid, Spain
| | - Peter Kan
- Department of Neurosurgery, The University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | - Reade Andrew De Leacy
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Shakeel A Chowdhry
- Department of Neurosurgery, NorthShore University HealthSystem, Evanston, Illinois, USA
| | - David Altschul
- Department of Neurosurgery, Montefiore Medical Center, Bronx, New York, USA
| | - Alejandro M Spiotta
- Department of Neurosurgery, Division of Neuroendovascular Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Michael R Levitt
- Department of Neurological Surgery, University of Washington School of Medicine, Seattle, Washington, USA
| | - Nitin Goyal
- Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, Tennessee, USA
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Scheldeman L, Sinnaeve P, Albers GW, Lemmens R, Van de Werf F. Acute myocardial infarction and ischaemic stroke: differences and similarities in reperfusion therapies-a review. Eur Heart J 2024; 45:2735-2747. [PMID: 38941344 DOI: 10.1093/eurheartj/ehae371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 04/16/2024] [Accepted: 05/28/2024] [Indexed: 06/30/2024] Open
Abstract
Acute ST-elevation myocardial infarction (STEMI) and acute ischaemic stroke (AIS) share a number of similarities. However, important differences in pathophysiology demand a disease-tailored approach. In both conditions, fast treatment plays a crucial role as ischaemia and eventually infarction develop rapidly. Furthermore, in both fields, the introduction of fibrinolytic treatments historically preceded the implementation of endovascular techniques. However, in contrast to STEMI, only a minority of AIS patients will eventually be considered eligible for reperfusion treatment. Non-invasive cerebral imaging always precedes cerebral angiography and thrombectomy, whereas coronary angiography is not routinely preceded by non-invasive cardiac imaging in patients with STEMI. In the late or unknown time window, the presence of specific patterns on brain imaging may help identify AIS patients who benefit most from reperfusion treatment. For STEMI, a uniform time window for reperfusion up to 12 h after symptom onset, based on old placebo-controlled trials, is still recommended in guidelines and generally applied. Bridging fibrinolysis preceding endovascular treatment still remains the mainstay of reperfusion treatment in AIS, while primary percutaneous coronary intervention is the strategy of choice in STEMI. Shortening ischaemic times by fine-tuning collaboration networks between ambulances, community hospitals, and tertiary care hospitals, optimizing bridging fibrinolysis, and reducing ischaemia-reperfusion injury are important topics for further research. The aim of this review is to provide insights into the common as well as diverging pathophysiology behind current reperfusion strategies and to explore new ways to enhance their clinical benefit.
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Affiliation(s)
- Lauranne Scheldeman
- Department of Neurology, University Hospitals Leuven, Leuven, Belgium
- Department of Neurosciences, Experimental Neurology KU Leuven - University of Leuven, Leuven, Belgium
| | - Peter Sinnaeve
- Department of Cardiovascular Medicine, University Hospitals Leuven, Leuven, Belgium
- Department of Cardiovascular Sciences, KU Leuven, University of Leuven, Herestraat 49, B-3000 Leuven, Belgium
| | - Gregory W Albers
- Department of Neurology, Stanford University Medical Center, Palo Alto, USA
| | - Robin Lemmens
- Department of Neurology, University Hospitals Leuven, Leuven, Belgium
- Department of Neurosciences, Experimental Neurology KU Leuven - University of Leuven, Leuven, Belgium
| | - Frans Van de Werf
- Department of Cardiovascular Sciences, KU Leuven, University of Leuven, Herestraat 49, B-3000 Leuven, Belgium
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Jazayeri SB, Ghozy S, Hemmeda L, Bilgin C, Elfil M, Kadirvel R, Kallmes DF. Risk of Hemorrhagic Transformation after Mechanical Thrombectomy without versus with IV Thrombolysis for Acute Ischemic Stroke: A Systematic Review and Meta-analysis of Randomized Clinical Trials. AJNR Am J Neuroradiol 2024:ajnr.A8307. [PMID: 39025638 DOI: 10.3174/ajnr.a8307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 04/01/2024] [Indexed: 07/20/2024]
Abstract
BACKGROUND When treating acute ischemic stroke due to large-vessel occlusion, both mechanical thrombectomy and intravenous (IV) thrombolysis carry the risk of intracerebral hemorrhage. PURPOSE This study aimed to delve deeper into the risk of intracerebral hemorrhage and its subtypes associated with mechanical thrombectomy with or without IV thrombolysis to contribute to better decision-making in the treatment of acute ischemic stroke due to large-vessel occlusion. DATA SOURCES PubMed, EMBASE, and Scopus databases were searched for relevant studies from inception to September 6, 2023. STUDY SELECTION The eligibility criteria included randomized clinical trials or post hoc analysis of randomized controlled trials that focused on patients with acute ischemic stroke in the anterior circulation. After screening 4870 retrieved records, we included 9 studies (6 randomized controlled trials and 3 post hoc analyses of randomized controlled trials) with 3241 patients. DATA ANALYSIS The interventions compared were mechanical thrombectomy + IV thrombolysis versus mechanical thrombectomy alone, with the outcome of interest being any form of intracerebral hemorrhage and symptomatic intracerebral hemorrhage after intervention. A common definition for symptomatic intracerebral hemorrhage was pooled from various classification systems, and subgroup analyses were performed on the basis of different definitions and anatomic descriptions of hemorrhage. The quality of the studies was assessed using the revised version of Cochrane Risk of Bias 2 assessment tool. Meta-analysis was performed using the random effects model. DATA SYNTHESIS Eight studies had some concerns, and 1 study was considered high risk. Overall, the risk of symptomatic intracerebral hemorrhage was comparable between mechanical thrombectomy + IV thrombolysis and mechanial thrombectomy alone (risk ratio, 1.24 [95% CI, 0.89-1.72]; P = .20), with no heterogeneity across studies. Subgroup analysis of symptomatic intracerebral hemorrhage showed a non-significant difference between 2 groups based on the National Institute of Neurological Disorders and Stroke (P = .3), the Heidelberg Bleeding Classification (P = .5), the Safe Implementation of Thrombolysis in Stroke-Monitoring Study (P = .4), and the European Cooperative Acute Stroke Study III (P = .7) criteria. Subgroup analysis of different anatomic descriptions of intracerebral hemorrhage showed no difference between the 2 groups. Also, we found no difference in the risk of any intracerebral hemorrhage between two groups (risk ratio, 1.10 [95% CI, 1.00-1.21]; P = .052) with no heterogeneity across studies. LIMITATIONS There was a potential for performance bias in most studies. CONCLUSIONS In this systematic review and meta-analysis, the risk of any intracerebral hemorrhage and symptomatic intracerebral hemorrhage, including its various classifications and anatomic descriptions, was comparable between mechanical thrombectomy + IV thrombolysis and mechanical thrombectomy alone.
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Affiliation(s)
- Seyed Behnam Jazayeri
- From the Sina Trauma and Surgery Research Center (S.B.J.), Tehran University of Medical Sciences, Tehran, Iran
- Department of Radiology (S.B.J., S.G., C.B., R.K., D.F.K.), Mayo Clinic, Rochester, Minnesota
| | - Sherief Ghozy
- Department of Radiology (S.B.J., S.G., C.B., R.K., D.F.K.), Mayo Clinic, Rochester, Minnesota
- Department of Neurologic Surgery (S.G., R.K.), Mayo Clinic, Rochester, Minnesota
| | - Lina Hemmeda
- Faculty of Medicine (L.H.), University of Khartoum, Khartoum, Sudan
| | - Cem Bilgin
- Department of Radiology (S.B.J., S.G., C.B., R.K., D.F.K.), Mayo Clinic, Rochester, Minnesota
| | - Mohamed Elfil
- Department of Neurological Sciences (M.E.), University of Nebraska Medical Center, Omaha, Nebraska
| | - Ramanathan Kadirvel
- Department of Radiology (S.B.J., S.G., C.B., R.K., D.F.K.), Mayo Clinic, Rochester, Minnesota
- Department of Neurologic Surgery (S.G., R.K.), Mayo Clinic, Rochester, Minnesota
| | - David F Kallmes
- Department of Radiology (S.B.J., S.G., C.B., R.K., D.F.K.), Mayo Clinic, Rochester, Minnesota
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Guo M, Yue C, Yang J, Hu J, Guo C, Peng Z, Xu R, Yang D, Kong W, Liu X, Huang J, Tian Y, Li F, Li CQ. Thrombectomy alone versus intravenous thrombolysis before thrombectomy for acute basilar artery occlusion. J Neurointerv Surg 2024; 16:794-800. [PMID: 37665653 DOI: 10.1136/jnis-2023-020361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 07/05/2023] [Indexed: 09/06/2023]
Abstract
BACKGROUND Endovascular treatment (EVT) is a well-established approach for acute ischemic stroke. Whether bridging intravenous thrombolysis (IVT) before EVT confers any benefits remains uncertain. The objective of the study was to compare the efficacy and safety of direct EVT with or without bridging IVT in patients with acute basilar artery occlusion (BAO). METHODS This multicenter cohort study enrolled 647 patients with acute BAO who underwent either bridging IVT before EVT or direct EVT from the BASILAR registry. The primary outcome was an independent functional outcome measured by the modified Rankin Scale (mRS) score of 0-2. Secondary outcomes included excellent functional outcome (mRS 0-1), favorable functional outcome (mRS 0-3), and mortality rate at 90 days, as well as symptomatic intracranial hemorrhage (sICH), and successful reperfusion between the two treatment groups. RESULTS Direct EVT and bridging IVT before EVT exhibited similar primary outcomes (27.3% vs 27.7%, respectively) and distributions of mRS scores at 90 days. Moreover, rates of sICH and 90-day mortality were not significantly different between the two groups (7.3% vs 6.0%, adjusted OR (aOR) 0.79, 95% CI 0.34 to 1.86, P=0.84 for sICH; 46.8% vs 43.7%, aOR 0.86, 95% CI 0.54 to 1.38, P=0.53 for mortality). CONCLUSIONS Among patients with acute BAO, functional outcomes were similar between those treated with bridging IVT before EVT and those treated with direct EVT, and there was no difference between the two groups in terms of sICH and mortality rates.
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Affiliation(s)
- Meng Guo
- Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, Chongqing, China
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Chengsong Yue
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Jie Yang
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Jinrong Hu
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Changwei Guo
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
- Department of Neurology, Guangyang Bay Laboratory, Chongqing, Chongqing, China
| | - Zhouzhou Peng
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Rui Xu
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Dahong Yang
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Weilin Kong
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Xiang Liu
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Jiacheng Huang
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Yan Tian
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Fengli Li
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
| | - Chang-Qing Li
- Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, Chongqing, China
- Neurology, Army Medical University Xinqiao Hospital Department of Neurology, Chongqing, Chongqing, China
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Mannismäki L, Martinez-Majander N, Suomalainen O, Sibolt G, Girfanova M, Nybondas M, Nissinen H, Curtze S. Comparison of functional and safety outcomes between the extended versus early time window after intravenous thrombolysis and endovascular thrombectomy. J Neurol Sci 2024; 462:123107. [PMID: 38925068 DOI: 10.1016/j.jns.2024.123107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 06/02/2024] [Accepted: 06/20/2024] [Indexed: 06/28/2024]
Abstract
INTRODUCTION Based on recent trials regarding the early time window, omitting intravenous thrombolysis (IVT) before endovascular thrombectomy (EVT) in eligible patients seems unjustified. Whether this also concerns the extended time window, 4.5 to 9 h from last seen well, is yet unclear. PATIENTS AND METHODS All consecutive patients treated with IVT, EVT, or IVT plus EVT in the extended time window at Helsinki University Hospital (HUS) between 1/2021 and 12/2022 were compared with matched controls treated in the early time window between 1/2016 and 12/2020. Regression analysis was applied on functional outcome at 90 days, evaluated on modified Rankin Scale (mRS), and on the occurrence of symptomatic intracerebral hemorrhage (sICH), adjusted for potential confounders. RESULTS Altogether 134 patients and 134 matching controls were included. Functional outcomes did not significantly differ between the extended versus early time window. Among patients with IVT plus EVT, the adjusted odds ratio (aOR) for a favorable outcome shift on mRS was 1.15, 95% confidence interval (CI) 0.54-2.43. Although sICH occurred more frequently (2.2% versus 3.0%) in the extended time window, regression analysis did not show a significant difference, aOR 0.96, 95% CI 0.14-6.87. DISCUSSION AND CONCLUSION We found no significant differences in the functional or safety outcomes between the extended versus early time window among patients with either IVT, EVT, or IVT plus EVT. There were no signals indicating, that IVT or EVT should be avoided in eligible patients in the extended time window which aligns with the current clinical treatment guidelines of HUS.
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Affiliation(s)
- Laura Mannismäki
- Department of Neurology, Helsinki University Hospital and Clinical Neurosciences, University of Helsinki, Helsinki, Finland.
| | - Nicolas Martinez-Majander
- Department of Neurology, Helsinki University Hospital and Clinical Neurosciences, University of Helsinki, Helsinki, Finland
| | - Olli Suomalainen
- Department of Neurology, Helsinki University Hospital and Clinical Neurosciences, University of Helsinki, Helsinki, Finland
| | - Gerli Sibolt
- Department of Neurology, Helsinki University Hospital and Clinical Neurosciences, University of Helsinki, Helsinki, Finland
| | - Maria Girfanova
- Department of Neurology, Helsinki University Hospital and Clinical Neurosciences, University of Helsinki, Helsinki, Finland
| | - Miranda Nybondas
- Department of Neurology, Helsinki University Hospital and Clinical Neurosciences, University of Helsinki, Helsinki, Finland
| | - Hanna Nissinen
- Department of Neurology, Helsinki University Hospital and Clinical Neurosciences, University of Helsinki, Helsinki, Finland
| | - Sami Curtze
- Department of Neurology, Helsinki University Hospital and Clinical Neurosciences, University of Helsinki, Helsinki, Finland
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Stanton K, Philippou H, Ariëns RA. Ischaemic Stroke, Thromboembolism and Clot Structure. Neuroscience 2024; 550:3-10. [PMID: 38453129 DOI: 10.1016/j.neuroscience.2024.02.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/19/2024] [Accepted: 02/23/2024] [Indexed: 03/09/2024]
Abstract
Ischaemic stroke is a major cause of morbidity and mortality worldwide. Blood clotting and thromboembolism play a central role in the pathogenesis of ischaemic stroke. An increasing number of recent studies indicate changes in blood clot structure and composition in patients with ischaemic stroke. In this review, we aim to summarise and discuss clot structure, function and composition in ischaemic stroke, including its relationships with clinical diagnosis and treatment options such as thrombolysis and thrombectomy. Studies are summarised in which clot structure and composition is analysed both in vitro from patients' plasma samples and ex vivo in thrombi obtained through interventional catheter-mediated thrombectomy. Mechanisms that drive clot composition and architecture such as neutrophil extracellular traps and clot contraction are also discussed. We find that, while in vitro clot structure in plasma samples from ischaemic stroke patients are consistently altered, showing denser clots that are more resistant to fibrinolysis, current data on the composition and architecture of ex vivo clots obtained by thrombectomy are more variable. With the potential of advances in technologies underpinning both the imaging and retrieving of clots, we expect that future studies in this area will generate new data that is of interest for the diagnosis, optimal treatment strategies and clinical management of patients with ischaemic stroke.
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Affiliation(s)
- Katherine Stanton
- Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK
| | - Helen Philippou
- Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK
| | - Robert As Ariëns
- Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK.
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8
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Franx B, Dijkhuizen RM, Dippel DWJ. Acute Ischemic Stroke in the Clinic and the Laboratory: Targets for Translational Research. Neuroscience 2024; 550:114-124. [PMID: 38670254 DOI: 10.1016/j.neuroscience.2024.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/26/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024]
Abstract
Ischemic stroke research has enabled significant advancements in diagnosis, treatment, and management of this debilitating disease, yet challenges remain standing in the way of better patient prognoses. In this narrative review, a fictional case illustrates challenges and uncertainties that medical professionals still face - penumbra identification, lack of neuroprotective agents, side-effects of tissue plasminogen activator, dearth of molecular biomarkers, incomplete microvascular reperfusion or no-reflow, post-recanalization hyperperfusion, blood pressure management and procedural anesthetic effects. The current state of the field is broadly reviewed per topic, with the aim to introduce a broad audience (scientist and clinician alike) to recent successes in translational stroke research and pending scientific queries that are tractable for preclinical assessment. Opportunities for co-operation between clinical and experimental stroke experts are highlighted to increase the size and frequency of strides the field makes to improve our understanding of this disease and ways of treating it.
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Affiliation(s)
- Bart Franx
- Translational Neuroimaging Group, Center for Image Sciences, University Medical Center Utrecht and Utrecht University, Utrecht, the Netherlands
| | - Rick M Dijkhuizen
- Translational Neuroimaging Group, Center for Image Sciences, University Medical Center Utrecht and Utrecht University, Utrecht, the Netherlands
| | - Diederik W J Dippel
- Stroke Center, Dept of Neurology, Erasmus University Medical Center, Rotterdam, the Netherlands.
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9
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Han B, Raynald, Wu Y, Feng G, Liu X, Zhang P, Lu P, Liu Y, Hu W, Sun Y. Thrombectomy versus combined thrombolysis for acute basilar artery occlusion: a secondary analysis of the ATTENTION trial. J Neurointerv Surg 2024:jnis-2024-021678. [PMID: 38937086 DOI: 10.1136/jnis-2024-021678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 05/28/2024] [Indexed: 06/29/2024]
Abstract
BACKGROUND Few studies have compared the outcomes of bridging intravenous thrombolysis (IVT) before mechanical thrombectomy (MT) with those of direct MT in patients with acute basilar artery occlusion (BAO). This study aimed to assess the efficacy and safety of direct endovascular treatment (EVT) and bridging IVT followed by EVT in Chinese patients with acute basilar artery occlusion BAO. METHODS This subanalysis derived from the prospective multicenter randomized controlled trial of the ATTENTION study, included 221 patients with acute BAO categorized into two groups based on whether they received bridging IVT before MT: MT alone or combined IVT+MT. The primary endpoint was the modified Rankin Scale (mRS) score distribution at 90 days. Secondary outcomes included mRS scores within different ranges (0-1, 0-2, and 0-3) at the 90-day point and National Institutes of Health Stroke Scale (NIHSS) scores at 24 hours and 3 days post-intervention. Safety outcomes encompassed intracranial hemorrhage incidence based on the Heidelberg classification criteria (any intracerebral hemorrhage) and mortality assessment at 90 days. RESULTS Direct and bridging IVT before EVT yielded similar primary outcomes. No significant difference in 90-day mRS scores (median, 4.5 vs 4; adjusted odds ratio (aOR), 0.95 [95% confidence interval (CI), 0.79 to 1.15]; p=0.624) was observed between the two groups. Regarding safety outcomes, no significant differences were observed between the groups in terms of death within 90 days or any intracranial hemorrhage within 24 hours. CONCLUSIONS In patients with acute BAO, those treated with bridging IVT before EVT did not demonstrate any advantages in enhanced safety and efficacy outcomes compared with those treated with direct EVT.
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Affiliation(s)
- Bin Han
- Shanxi Key Laboratory of Brain Disease Control, Department of Neurology, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Raynald
- Beijing Tiantan Hospital Department of Interventional Neuroradiology, Beijing, China
| | - Yaxin Wu
- Department of Neurology, Shanxi Provincial People's Hospital, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Ganghua Feng
- Department of Neurology, Shanxi Provincial People's Hospital, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Xuehan Liu
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Hefei, China
| | - Peng Zhang
- Department of Neurology, Shanxi Provincial People's Hospital, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Pengyu Lu
- Department of Neurology, Shanxi Provincial People's Hospital, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yi Liu
- Department of Neurology, Shanxi Provincial People's Hospital, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Wei Hu
- Department of Neurology, University of Science and Technology of China, Hefei, China
| | - Yaxuan Sun
- Department of Neurology, Shanxi Provincial People's Hospital, Shanxi Medical University, Taiyuan, Shanxi, China
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10
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Jacqmarcq C, Picot A, Flon J, Lebrun F, Martinez de Lizarrondo S, Naveau M, Bernay B, Goux D, Rubio M, Malzert-Fréon A, Michel A, Proamer F, Mangin P, Gauberti M, Vivien D, Bonnard T. MRI-based microthrombi detection in stroke with polydopamine iron oxide. Nat Commun 2024; 15:5070. [PMID: 38871729 DOI: 10.1038/s41467-024-49480-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 06/05/2024] [Indexed: 06/15/2024] Open
Abstract
In acute ischemic stroke, even when successful recanalization is obtained, downstream microcirculation may still be obstructed by microvascular thrombosis, which is associated with compromised brain reperfusion and cognitive decline. Identifying these microthrombi through non-invasive methods remains challenging. We developed the PHySIOMIC (Polydopamine Hybridized Self-assembled Iron Oxide Mussel Inspired Clusters), a MRI-based contrast agent that unmasks these microthrombi. In a mouse model of thromboembolic ischemic stroke, our findings demonstrate that the PHySIOMIC generate a distinct hypointense signal on T2*-weighted MRI in the presence of microthrombi, that correlates with the lesion areas observed 24 hours post-stroke. Our microfluidic studies reveal the role of fibrinogen in the protein corona for the thrombosis targeting properties. Finally, we observe the biodegradation and biocompatibility of these particles. This work demonstrates that the PHySIOMIC particles offer an innovative and valuable tool for non-invasive in vivo diagnosis and monitoring of microthrombi, using MRI during ischemic stroke.
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Affiliation(s)
- Charlène Jacqmarcq
- Normandie University, UNICAEN, Université Caen Normandie, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders (PhIND), GIP Cyceron, Institute Blood and Brain @ Caen-Normandie (BB@C), Caen, France
| | - Audrey Picot
- Normandie University, UNICAEN, Université Caen Normandie, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders (PhIND), GIP Cyceron, Institute Blood and Brain @ Caen-Normandie (BB@C), Caen, France
| | - Jules Flon
- Normandie University, UNICAEN, Université Caen Normandie, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders (PhIND), GIP Cyceron, Institute Blood and Brain @ Caen-Normandie (BB@C), Caen, France
| | - Florent Lebrun
- Normandie University, UNICAEN, Université Caen Normandie, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders (PhIND), GIP Cyceron, Institute Blood and Brain @ Caen-Normandie (BB@C), Caen, France
| | - Sara Martinez de Lizarrondo
- Normandie University, UNICAEN, Université Caen Normandie, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders (PhIND), GIP Cyceron, Institute Blood and Brain @ Caen-Normandie (BB@C), Caen, France
| | - Mikaël Naveau
- Normandie University, UNICAEN, Université Caen Normandie, CNRS UMS 3408, Caen, France
| | - Benoît Bernay
- Normandie University, UNICAEN, Université Caen Normandie, SF 4206 ICORE, Plateforme Proteogen, Caen, France
| | - Didier Goux
- Normandie University, UNICAEN, Université Caen Normandie, US EMerode, CMAbio3: Centre de Microscopie Appliquée à la Biologie, Caen, France
| | - Marina Rubio
- Normandie University, UNICAEN, Université Caen Normandie, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders (PhIND), GIP Cyceron, Institute Blood and Brain @ Caen-Normandie (BB@C), Caen, France
| | - Aurélie Malzert-Fréon
- Normandie University, UNICAEN, Université Caen Normandie, EA 4258, CERMN: Centre d'études et de recherche sur le médicament de Normandie, Caen, France
| | - Anita Michel
- University of Strasbourg, INSERM, EFS Grand-Est, BPPS UMR-S1255, FMTS, F-67065, Strasbourg, France
| | - Fabienne Proamer
- University of Strasbourg, INSERM, EFS Grand-Est, BPPS UMR-S1255, FMTS, F-67065, Strasbourg, France
| | - Pierre Mangin
- University of Strasbourg, INSERM, EFS Grand-Est, BPPS UMR-S1255, FMTS, F-67065, Strasbourg, France
| | - Maxime Gauberti
- Normandie University, UNICAEN, Université Caen Normandie, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders (PhIND), GIP Cyceron, Institute Blood and Brain @ Caen-Normandie (BB@C), Caen, France
- Centre Hospitalier Universitaire Caen, Department of Diagnostic Imaging and Interventional Radiology, Caen, France
| | - Denis Vivien
- Normandie University, UNICAEN, Université Caen Normandie, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders (PhIND), GIP Cyceron, Institute Blood and Brain @ Caen-Normandie (BB@C), Caen, France.
- Centre Hospitalier Universitaire Caen, Department of Clinical Research, Caen, France.
| | - Thomas Bonnard
- Normandie University, UNICAEN, Université Caen Normandie, INSERM UMR-S U1237, Physiopathology and Imaging of Neurological Disorders (PhIND), GIP Cyceron, Institute Blood and Brain @ Caen-Normandie (BB@C), Caen, France.
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11
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Cai L, Wang L, Campbell BCV, Wu Y, Abdalkader M, Alemseged F, Kaesmacher J, Puetz V, Nagel S, Strbian D, Knapen RRMM, Li C, Ye S, Tian P, Chen J, Li R, Hu W, Qiu Z, Nguyen TN, Schonewille WJ, Guo Q, Dai Z. Endovascular thrombectomy with versus without intravenous thrombolysis in patients with acute basilar artery occlusion: a systematic review and meta-analysis. J Neurol 2024; 271:3039-3049. [PMID: 38597945 DOI: 10.1007/s00415-024-12353-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/24/2024] [Accepted: 03/25/2024] [Indexed: 04/11/2024]
Abstract
BACKGROUND AND PURPOSE The benefit and safety of intravenous thrombolysis before endovascular thrombectomy in patients with acute ischemic stroke caused by basilar artery occlusion (BAO) remains unclear. This article aims to investigate the clinical outcomes and safety of endovascular thrombectomy with versus without intravenous thrombolysis in acute BAO stroke patients. METHODS We conducted a comprehensive search of PubMed, Embase, Cochrane, and Web of Science databases to identify relevant literature pertaining to patients with acute BAO who underwent endovascular thrombectomy alone or intravenous thrombolysis bridging with endovascular thrombectomy (bridging therapy), until January 10, 2024. The primary outcome was functional independence, defined as a score of 0-2 on the modified Rankin Scale at 90 days. The safety outcome was mortality at 90 days and symptomatic intracranial hemorrhage within 48 h. Effect sizes were computed as risk ratio (RR) with random-effect models. This study was registered in PROSPERO (CRD42023462293). RESULTS A total of 528 articles were obtained through the search and articles that did not meet the inclusion criteria were excluded. Finally, 2 RCTs and 10 cohort studies met the inclusion criteria. The findings revealed that the endovascular thrombectomy alone group had a lower rate of functional independence compared to the bridging therapy group (29% vs 38%; RR 0.78, 95% CI 0.68-0.88, p < 0.001), lower independent ambulation (39% vs 45%; RR 0.89, 95% CI 0.82-0.98, p = 0.01), and higher mortality (36% vs 28%, RR 1.22, 95% CI 1.08-1.37, p = 0.001). However, no differences were detected in symptomatic intracranial hemorrhage between the two groups (6% vs 4%; RR 1.12, 95% CI 0.74-1.71, p = 0.58). CONCLUSION Intravenous thrombolysis plus endovascular thrombectomy seemed to led to better functional independence, independent ambulation, and lower risk of mortality without increasing the incidence of intracranial hemorrhage compared to endovascular thrombectomy alone. However, given the non-randomized nature of this study, further studies are needed to confirm these findings.
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Affiliation(s)
- Lingyu Cai
- Neurology, The 903rd Hospital of The Chinese People's Liberation Army, Hangzhou, China
| | - Liaoyuan Wang
- The Third District of Air Force Special Service Sanatorium, Hangzhou, 310002, Zhejiang, China
| | - Bruce C V Campbell
- Melbourne Brain Centre at the Royal Melbourne Hospital, University of Melbourne, Parkville, VC, Australia
| | - Yuelu Wu
- Neurology, The 903rd Hospital of The Chinese People's Liberation Army, Hangzhou, China
| | - Mohamad Abdalkader
- Boston Medical Center, Boston University Chobanian and Avedisian School of Medicine, Boston, USA
| | - Fana Alemseged
- Melbourne Brain Centre at the Royal Melbourne Hospital, University of Melbourne, Parkville, VC, Australia
| | - Johannes Kaesmacher
- University Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Volker Puetz
- Dresden Neurovascular Center, University Clinics Carl Gustav Carus an der Technischen Universität Dresden, Dresden, Germany
| | - Simon Nagel
- Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany
| | - Daniel Strbian
- Department of Neurology, Helsinki University Hospital, and University of Helsinki, Helsinki, Finland
| | - Robrecht R M M Knapen
- Department of Radiology and Nuclear Medicine, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Chuanhui Li
- Department of Neurology, The Stroke Center, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Shitai Ye
- Neurology, The 903rd Hospital of The Chinese People's Liberation Army, Hangzhou, China
| | - Pengli Tian
- Neurology, The 903rd Hospital of The Chinese People's Liberation Army, Hangzhou, China
| | - Jingjing Chen
- Neurology, The 903rd Hospital of The Chinese People's Liberation Army, Hangzhou, China
| | - Ruitian Li
- Community Health Service Center of Sandun Town, Hangzhou, China
| | - Wei Hu
- Department of Neurology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Zhongming Qiu
- Neurology, The 903rd Hospital of The Chinese People's Liberation Army, Hangzhou, China
| | - Thanh N Nguyen
- Boston Medical Center, Boston University Chobanian and Avedisian School of Medicine, Boston, USA
| | | | - Qifeng Guo
- Neurology, The 903rd Hospital of The Chinese People's Liberation Army, Hangzhou, China.
| | - Zhao Dai
- Neurology, The 903rd Hospital of The Chinese People's Liberation Army, Hangzhou, China.
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12
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Khan MO, Shah SA, Mahmood S, Aijaz A, Jatoi NN, Shakil F, Nusrat K, Siddiqui OM, Hameed I. Is endovascular treatment alone as effective and safe as that with preceding intravenous thrombolysis for acute ischemic stroke? A meta-analysis of randomized controlled trials. J Neurosurg Sci 2024; 68:338-347. [PMID: 37389453 DOI: 10.23736/s0390-5616.23.06058-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
INTRODUCTION This meta-analysis aimed to evaluate the safety and efficacy of direct endovascular therapy (EVT) and bridging therapy (EVT with preceding intravenous thrombolysis i.e. IVT), in acute anterior circulation, large vessel occlusion stroke. EVIDENCE ACQUISITION Following the PRISMA guidelines, a systematic literature review of the English language literature was conducted using PubMed, Cochrane CENTRAL, SCOPUS and ClinicalTrials.gov. Outcomes of interest were measured by the modified Rankin Scale (mRS), and included: no disability (mRS0), no significant disability despite some symptoms (mRS1), slight disability (mRS2), moderate disability (mRS3), moderately severe disability (mRS4), severe disability (mRS5), mortality (mRS6). Additionally, we inspected patients having excellent outcome, functional independence outcome, and poor outcome, along with successful reperfusion and intracranial hemorrhage. We calculated pooled risk ratios (RRs) and their corresponding 95% confidence intervals (CI). EVIDENCE SYNTHESIS A total of seven RCTs involving 2,392 patients were finally included. The chances of achieving successful reperfusion were significantly more with IVT+EVT as compared to EVT alone (RR: 0.97; 95% CI: 0.94, 1.00; P=0.03) (I2=0%). There was no significant difference in the number of patients having outcomes ranging from mRS0 to mRS6, excellent outcome, functional independence, poor outcome or incidence of intracranial hemorrhage, who underwent either EVT alone or IVT+EVT. CONCLUSIONS Additional trials are needed to determine if the absence of significant differences is due to insufficient sample size or if the combination therapy is truly not beneficial.
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Affiliation(s)
- Mohammad O Khan
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Syeda A Shah
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Samar Mahmood
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Ashnah Aijaz
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Nadia N Jatoi
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Firzah Shakil
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Khushboo Nusrat
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Omer M Siddiqui
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Ishaque Hameed
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan -
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13
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Scali I, Naccarato M, Prandin G, Palacino F, Lugnan C, Mancinelli L, Vincis E, Furlanis G, Caruso P, Manganotti P. Thrombolysis in Stroke-Heart Syndrome: a useful tool for neurocardiac wellness? J Neurol 2024; 271:2405-2411. [PMID: 38206374 DOI: 10.1007/s00415-023-12167-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024]
Abstract
INTRODUCTION Stroke-heart syndrome is a physiopathological condition of cardiac suffering due to cerebral injury secondary to major vessel occlusion in anterior circulation. It can be detected by increase in cardiac blood biomarkers. Our aim was to investigate a possible ancillary effect of thrombolysis in mitigating Stroke-Heart Syndrome after acute ischaemic stroke. PATIENTS AND METHODS We retrospectively collected ischaemic stroke patients admitted to our Stroke Unit between August 1, 2017 and December 31, 2020 and acutely treated for an intracranial anterior circulation occlusion, without anamnestic ischaemic cardiopathy. We divided patients into Group B ("Bridge") including patients treated with both thrombolysis and thrombectomy and Group D ("Direct") including primary thrombectomies. RESULTS 120 patients were included in the study. Group B consisted of 92 patients, Group D of 28 patients, without significant differences in age, baseline and discharge NIHSS, cardiovascular risk factors or TOAST aetiology. Whilst admission, troponin levels were similar in both groups, significant differences in troponin peak (median 16 ng/L in Group B vs 45 ng/L in Group D, p = 0.022) and BNP values (median 455 pg/mL in Group B vs 784 pg/mL in Group D, p = 0.031) were found in the first 72 h since admission. Functional independence at discharge was significantly higher in Group B than Group D (mRS 0-2 36% vs 10%, p = 0.011). DISCUSSION AND CONCLUSION Significant differences in troponin peak and BNP values suggest a reduced stroke-related heart impairment in patients treated with bridge therapeutic approach: thrombolysis prior to thrombectomy could have a complementary effect on reducing Stroke-Heart Syndrome, improving overall neurological outcome.
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Affiliation(s)
- Ilario Scali
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Clinical University Hospital of Trieste (ASUGI), University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy.
| | - Marcello Naccarato
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Clinical University Hospital of Trieste (ASUGI), University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy
| | - Gabriele Prandin
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Clinical University Hospital of Trieste (ASUGI), University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy
| | - Federica Palacino
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Clinical University Hospital of Trieste (ASUGI), University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy
| | - Carlo Lugnan
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Clinical University Hospital of Trieste (ASUGI), University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy
| | - Laura Mancinelli
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Clinical University Hospital of Trieste (ASUGI), University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy
| | - Emanuele Vincis
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Clinical University Hospital of Trieste (ASUGI), University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy
| | - Giovanni Furlanis
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Clinical University Hospital of Trieste (ASUGI), University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy
| | - Paola Caruso
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Clinical University Hospital of Trieste (ASUGI), University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy
| | - Paolo Manganotti
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, Clinical University Hospital of Trieste (ASUGI), University of Trieste, Strada di Fiume 447, 34149, Trieste, Italy
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14
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Yan Y, Zhang K, Zhong W, Yan S, Zhang B, Cheng J, Lou M. Influencing factors of futile recanalization after endovascular intervention in patients with acute basilar artery occlusion. Zhejiang Da Xue Xue Bao Yi Xue Ban 2024; 53:141-150. [PMID: 38501295 PMCID: PMC11057989 DOI: 10.3724/zdxbyxb-2023-0425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 12/21/2023] [Indexed: 03/20/2024]
Abstract
OBJECTIVES To explore the influence factors for futile recanalization following endovascular treatment (EVT) in patients with acute basilar artery occlusion (BAO). METHODS Clinical data of patients with acute BAO, who underwent endovascular treatment within 24 h of onset from January 2017 to November 2022, were retrospectively analyzed. The futile recanalization was defined as modified thrombolysis in cerebral infarction (mTICI) grade ≥2b or 3 after successful reperfusion, but the modified Rankin Scale score >2 at 3 months after EVT. Binary logistic regression model was used to analyze the influencing factors of futile recanalization. RESULTS A total of 471 patients with a median age of 68 (57, 74) years were included and 68.9% were males, among whom 298 (63.27%) experienced futile recanalization. Multivariate analysis revealed that concomitant atrial fibrillation (OR=0.456, 95%CI: 0.282-0.737, P<0.01), bridging thrombolysis (OR=0.640, 95%CI: 0.416-0.985, P<0.05), achieving mTICI grade 3 (OR=0.554, 95%CI: 0.334-0.918, P<0.05), arterial occlusive lesion (AOL) grade 3 (OR=0.521, 95%CI: 0.326-0.834, P<0.01), and early postoperative statin therapy (OR=0.509, 95%CI: 0.273-0.948, P<0.05) were protective factors for futile recanalization after EVT in acute BAO patients. High baseline National Institutes of Health Stroke Scale (NIHSS) score (OR=1.068, 95%CI: 1.049-1.087, P<0.01), coexisting hypertension (OR=1.571, 95%CI: 1.017-2.427, P<0.05), multiple retrieval attempts (OR=1.237, 95%CI: 1.029-1.488, P<0.05) and postoperative hemorrhagic transformation (OR=8.497, 95%CI: 2.879-25.076, P<0.01) were risk factors. For trial of ORG 10172 in acute stroke treatment (TOAST) classification, cardiogenic embolism (OR=0.321, 95%CI: 0.193-0.534, P<0.01) and other types (OR=0.499, 95%CI: 0.260-0.961, P<0.05) were related to lower incidence of futile recanalization. CONCLUSIONS The incidence of futile recanalization after EVT in patients with acute BAO is high. Bridging venous thrombolysis before operation and an early postoperative statin therapy may reduce the incidence of futile recanalization.
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Affiliation(s)
- Yi Yan
- Department of Neurology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China.
- Department of Neurology, Zhenhai People's Hospital, Ningbo 315202, Zhejiang Province, China.
| | - Kemeng Zhang
- Department of Neurology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Wansi Zhong
- Department of Neurology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Shenqiang Yan
- Department of Neurology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Bing Zhang
- Department of Neurology, Huzhou Central Hospital, Huzhou 313099, Zhejiang Province, China
| | - Jianhua Cheng
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325015, Zhejiang Province, China
| | - Min Lou
- Department of Neurology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China.
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15
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Gory B, Finitsis S, Olivot JM, Richard S, Marnat G, Sibon I, Viguier A, Cognard C, Mazighi M, Chamorro A, Lapergue B, Maïer B. Intravenous Thrombolysis before Complete Angiographic Reperfusion: Beyond Angiographic Assessment to Target Microvascular Obstruction? Ann Neurol 2024; 95:762-773. [PMID: 38148607 DOI: 10.1002/ana.26867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 12/28/2023]
Abstract
OBJECTIVE Recent data have suggested that ineffective tissue reperfusion despite successful angiographic reperfusion was partly responsible for unfavorable outcomes after endovascular therapy (EVT) and might be modulated by intravenous thrombolysis (IVT) use before EVT. To specifically decipher the effect played by IVT before EVT, we compared the clinical and safety outcomes of patients who experienced a complete reperfusion at the end of EVT according to IVT use before EVT. METHODS The Endovascular Treatment in Ischemic Stroke (ETIS) registry is an ongoing, prospective, observational study at 21 centers that perform EVT in France. Patients were included if they had an anterior large vessel occlusion of the intracranial internal carotid artery or middle cerebral artery (M1/M2 segments) and complete reperfusion (expanded Thrombolysis in Cerebral Infarction score = 3) with EVT within 6 hours, between January 2015 and December 2021. The cohort was divided into two groups according to IVT use before EVT, and propensity score matching (PSM) was used to balance the two groups. Primary outcome was the shift in the degree of disability as measured by the modified Rankin Scale (mRS) at 90 days. Secondary outcomes included favorable outcome (mRS 0-2) at 90 days. Safety outcomes included symptomatic intracranial hemorrhage and 90-day mortality. Outcomes were estimated with multivariate logistic models adjusted for age, National Institutes of Health Stroke Scale, Alberta Stroke Program Early CT Score, and time from symptom onset to puncture. RESULTS Among 5,429 patients included in the ETIS registry, 1,093 were included in the study, including 651 patients with complete recanalization treated with IVT before EVT. After PSM, 488 patients treated with IVT before EVT were compared to 337 patients without IVT. In the matched cohort analysis, the IVT+EVT group had a favorable shift in the overall mRS score distribution (adjusted odds ratio [aOR] = 1.41, 95% confidence interval [CI] = 1.04-1.91, p = 0.023) and higher rates of favorable outcome (61.1% vs 48.7%, aOR = 1.49, 95% CI = 1.02-2.20, p = 0.041) at 90 days compared with the EVT alone group. Rates of symptomatic intracerebral hemorrhage were comparable between both groups (6.0% vs 4.3%, aOR = 1.16, 95% CI = 0.53-2.54, p = 0.709). INTERPRETATION In clinical practice, even after complete angiographic reperfusion by EVT, prior IVT use improves clinical outcomes of patients without increasing bleeding risk. ANN NEUROL 2024;95:762-773.
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Affiliation(s)
- Benjamin Gory
- Department of Diagnostic and Therapeutic Neuroradiology, Université de Lorraine, CHRU-Nancy, Nancy, France
- INSERM U1254, IADI, Université de Lorraine, 54511, Vandoeuvre-les-Nancy, France
| | - Stephanos Finitsis
- Aristotle University of Thessaloniki, Ahepa Hospital, Thessaloniki, Greece
| | - Jean-Marc Olivot
- Department of Vascular Neurology, University Hospital of Toulouse, Toulouse, France
| | - Sébastien Richard
- Department of Neurology, Stroke Unit, Université de Lorraine, CHRU-Nancy, Nancy, France
- CIC-P 1433, INSERM U1116, CHRU-Nancy, Nancy, France
| | - Gaultier Marnat
- Department of Diagnostic and Interventional Neuroradiology, University Hospital of Bordeaux, Bordeaux, France
| | - Igor Sibon
- Neurology Department, University Hospital of Bordeaux, Bordeaux, France
| | - Alain Viguier
- Department of Vascular Neurology, University Hospital of Toulouse, Toulouse, France
| | | | - Mikael Mazighi
- Department of Interventional Neuroradiology, Hôpital Fondation A. de Rothschild, Paris, France
- Department of Neurology, Hôpital Lariboisière, Paris, France
- Université Paris-Cité, Paris, France
- Université Paris-Cité and Université Sorbonne Paris Nord, Paris, France
| | - Angel Chamorro
- Department of Neuroscience, Comprehensive Stroke Center, Hospital Clinic of Barcelona, Barcelona, Spain
| | - Bertrand Lapergue
- Department of Neurology, Foch Hospital, Versailles Saint-Quentin en Yvelines University, Suresnes, France
| | - Benjamin Maïer
- Department of Interventional Neuroradiology, Hôpital Fondation A. de Rothschild, Paris, France
- Université Paris-Cité, Paris, France
- Université Paris-Cité and Université Sorbonne Paris Nord, Paris, France
- Department of Neurology, Hôpital Saint-Joseph, Paris, France
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16
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Sedghi A, Kaiser DPO, Cuberi A, Schreckenbauer S, Wojciechowski C, Friehs I, Reichmann H, Barlinn J, Barlinn K, Puetz V, Siepmann T. Intravenous Thrombolysis Before Thrombectomy Improves Functional Outcome After Stroke Independent of Reperfusion Grade. J Am Heart Assoc 2024; 13:e031854. [PMID: 38456409 PMCID: PMC11009998 DOI: 10.1161/jaha.123.031854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 01/17/2024] [Indexed: 03/09/2024]
Abstract
BACKGROUND We studied the association of bridging intravenous thrombolysis (IVT) before thrombectomy for anterior circulation large-vessel occlusion and functional outcome and scrutinized its dependence on grade of reperfusion and distal thrombus migration. METHODS AND RESULTS We included consecutive patients with anterior circulation large-vessel occlusion from our prospective registry of thrombectomy-eligible patients treated from January 1, 2017 to January 1, 2023 at a tertiary stroke center in Germany in this retrospective cohort study. To evaluate the association of bridging IVT and functional outcome quantified via modified Rankin Scale score at 90 days we used multivariable logistic and lasso regression including interaction terms with grade of reperfusion quantified via modified Thrombolysis in Cerebral Infarction (mTICI) scale and distal thrombus migration adjusted for demographic and cardiovascular risk profiles, clinical and imaging stroke characteristics, onset-to-recanalization time and distal thrombus migration. We performed sensitivity analysis using propensity score matching. In our study population of 1000 thrombectomy-eligible patients (513 women; median age, 77 years [interquartile range, 67-84]), IVT emerged as a predictor of favorable functional outcome (modified Rankin Scale score, 0-2) independent of modified mTICI score (adjusted odds ratio, 0.49 [95% CI, 0.32-0.75]; P=0.001). In those who underwent thrombectomy (n=812), the association of IVT and favorable functional outcome was reproduced (adjusted odds ratio, 0.49 [95% CI, 0.31-0.74]; P=0.001) and was further confirmed on propensity score analysis, where IVT led to a 0.35-point decrease in 90-day modified Rankin Scale score (ß=-0.35 [95 CI%, -0.68 to 0.01]; P=0.04). The additive benefit of IVT remained independent of modified mTICI score (ß=-1.79 [95% CI, -3.43 to -0.15]; P=0.03) and distal thrombus migration (ß=-0.41 [95% CI, -0.69 to -0.13]; P=0.004) on interaction analysis. Consequently, IVT showed an additive association with functional outcome in the subpopulation of patients undergoing thrombectomy who achieved successful reperfusion (mTICI ≥2b; ß=-0.46 [95% CI, -0.74 to -0.17]; P=0.002) and remained beneficial in those with unsuccessful reperfusion (mTICI ≤2a; ß=-0.47 [95% CI, -0.96 to 0.01]; P=0.05). CONCLUSIONS In thrombectomy-eligible patients with anterior circulation large-vessel occlusion, IVT improves functional outcome independent of grade of reperfusion and distal thrombus migration.
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Affiliation(s)
- Annahita Sedghi
- Dresden Neurovascular Center, Department of Neurology, Medical Faculty and University Hospital Carl Gustav CarusDresden University of TechnologyDresdenGermany
- Division of Health Care SciencesDresden International UniversityDresdenGermany
| | - Daniel P. O. Kaiser
- Dresden Neurovascular Center, Institute of Neuroradiology, Medical Faculty and University Hospital Carl Gustav Carus, Dresden University of TechnologyDresdenGermany
| | - Ani Cuberi
- Institute of Radiology, Medical Faculty and University Hospital Carl Gustav Carus, Dresden University of TechnologyDresdenGermany
| | - Sonja Schreckenbauer
- Dresden Neurovascular Center, Department of Neurology, Medical Faculty and University Hospital Carl Gustav CarusDresden University of TechnologyDresdenGermany
| | - Claudia Wojciechowski
- Dresden Neurovascular Center, Department of Neurology, Medical Faculty and University Hospital Carl Gustav CarusDresden University of TechnologyDresdenGermany
| | - Ingeborg Friehs
- Department of Cardiac SurgeryBoston Children’s Hospital, Harvard Medical SchoolBostonMAUSA
| | - Heinz Reichmann
- Dresden Neurovascular Center, Department of Neurology, Medical Faculty and University Hospital Carl Gustav CarusDresden University of TechnologyDresdenGermany
| | - Jessica Barlinn
- Dresden Neurovascular Center, Department of Neurology, Medical Faculty and University Hospital Carl Gustav CarusDresden University of TechnologyDresdenGermany
| | - Kristian Barlinn
- Dresden Neurovascular Center, Department of Neurology, Medical Faculty and University Hospital Carl Gustav CarusDresden University of TechnologyDresdenGermany
| | - Volker Puetz
- Dresden Neurovascular Center, Department of Neurology, Medical Faculty and University Hospital Carl Gustav CarusDresden University of TechnologyDresdenGermany
| | - Timo Siepmann
- Dresden Neurovascular Center, Department of Neurology, Medical Faculty and University Hospital Carl Gustav CarusDresden University of TechnologyDresdenGermany
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Chen H, Qiu Y, Wang Z, Teng H, Chen Z, Kong Y, Wang Z. Bridging therapy improves functional outcomes and reduces 90-day mortality compared with direct endovascular thrombectomy in patients with acute posterior ischemic stroke: a systematic review and meta-analysis. Neurol Sci 2024; 45:495-506. [PMID: 37792113 DOI: 10.1007/s10072-023-07096-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/23/2023] [Indexed: 10/05/2023]
Abstract
BACKGROUND It remains unclear whether bridging therapy can achieve better neurologic outcomes than direct endovascular thrombectomy (EVT) in patients with posterior ischemic stroke. METHODS We systematically searched PubMed, EMBASE, and Cochrane databases with posterior artery occlusion treated with bridging therapy vs. EVT. Efficacy was assessed based on functional independence at 90 days and successful recanalization, whereas safety was assessed by mortality, rate of symptomatic intracranial hemorrhage (sICH), and occurrence of any hemorrhage. All data were analyzed with Review Manager software v5.3 and the risk of bias was determined using the Methodological Index for Non-randomized Studies. RESULTS We included 17 studies with a total of 3278 patients (1211 in the bridging therapy group and 2067 in the EVT group). Patients in the bridging group had a better functional outcome at 90 days, as evidenced by a higher proportion with a Modified Rankin Scale (mRS) score of 0-2 compared with the EVT group (odds ratio (OR) = 1.83, 95% confidence interval (CI): 1.54-2.19, P < 0.01), while no difference in mRS score of 0-3 (OR = 1.18, 95% CI: 0.96-1.45, P = 0.11). Patients in the bridging therapy group also had lower 90-day mortality rate (OR = 0.75, 95% CI: 0.59-0.95, P = 0.02). There were no significant differences between groups in rates of successful recanalization (OR = 0.96, 95% CI: 0.74-1.25, P = 0.77), sICH (OR = 1.27, 95% CI: 0.86-1.89, P = 0.24), and hemorrhage (OR = 1.22, 95% CI: 0.60-2.50, P = 0.58). CONCLUSIONS Among patients with posterior ischemic stroke, bridging therapy may be superior to EVT in achieving a good functional outcome and lowering the mortality without increasing the risks of hemorrhage.
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Affiliation(s)
- Huiru Chen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, Jiangsu Province, China
- Department of Neurology, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, Jiangsu Province, China
| | - Youjia Qiu
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, Jiangsu Province, China
| | - Zilan Wang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, Jiangsu Province, China
| | - Haiying Teng
- Suzhou Medical College of Soochow University, Suzhou, 215002, Jiangsu Province, China
| | - Zhouqing Chen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, Jiangsu Province, China.
| | - Yan Kong
- Department of Neurology, The First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, Jiangsu Province, China.
| | - Zhong Wang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, Jiangsu Province, China.
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18
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Jia M, Jin F, Li S, Ren C, Ruchi M, Ding Y, Zhao W, Ji X. No-reflow after stroke reperfusion therapy: An emerging phenomenon to be explored. CNS Neurosci Ther 2024; 30:e14631. [PMID: 38358074 PMCID: PMC10867879 DOI: 10.1111/cns.14631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 01/02/2024] [Accepted: 01/21/2024] [Indexed: 02/16/2024] Open
Abstract
In the field of stroke thrombectomy, ineffective clinical and angiographic reperfusion after successful recanalization has drawn attention. Partial or complete microcirculatory reperfusion failure after the achievement of full patency of a former obstructed large vessel, known as the "no-reflow phenomenon" or "microvascular obstruction," was first reported in the 1960s and was later detected in both experimental models and patients with stroke. The no-reflow phenomenon (NRP) was reported to result from intraluminal occlusions formed by blood components and extraluminal constriction exerted by the surrounding structures of the vessel wall. More recently, an emerging number of clinical studies have estimated the prevalence of the NRP in stroke patients following reperfusion therapy, ranging from 3.3% to 63% depending on its evaluation methods or study population. Studies also demonstrated its detrimental effects on infarction progress and neurological outcomes. In this review, we discuss the research advances, underlying pathogenesis, diagnostic techniques, and management approaches concerning the no-reflow phenomenon in the stroke population to provide a comprehensive understanding of this phenomenon and offer references for future investigations.
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Affiliation(s)
- Milan Jia
- Department of Neurology, Xuanwu HospitalCapital Medical UniversityBeijingChina
| | - Feiyang Jin
- Department of Neurology, Xuanwu HospitalCapital Medical UniversityBeijingChina
| | - Sijie Li
- Department of Emergency, Xuanwu HospitalCapital Medical UniversityBeijingChina
| | - Changhong Ren
- Beijing Key Laboratory of Hypoxic Conditioning Translational Medicine, Xuanwu HospitalCapital Medical UniversityBeijingChina
| | - Mangal Ruchi
- Department of NeurosurgeryWayne State University School of MedicineDetroitMichiganUSA
| | - Yuchuan Ding
- Department of NeurosurgeryWayne State University School of MedicineDetroitMichiganUSA
| | - Wenbo Zhao
- Department of Neurology, Xuanwu HospitalCapital Medical UniversityBeijingChina
| | - Xunming Ji
- Department of Neurosurgery, Xuanwu HospitalCapital Medical UniversityBeijingChina
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19
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Maïer B, Di Meglio L, Desilles JP, Solo Nomenjanahary M, Delvoye F, Kyheng M, Boursin P, Ollivier V, Dupont S, Rambaud T, Hamdani M, Labreuche J, Blanc R, Piotin M, Halimi JM, Mazighi M, Ho-Tin-Noe B. Neutrophil activation in patients treated with endovascular therapy is associated with unfavorable outcomes and mitigated by intravenous thrombolysis. J Neurointerv Surg 2024; 16:131-137. [PMID: 37068937 DOI: 10.1136/jnis-2022-020020] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 03/25/2023] [Indexed: 04/19/2023]
Abstract
BACKGROUND Accumulating evidence indicates that neutrophil activation (NA) contributes to microvascular thromboinflammation in acute ischemic stroke (AIS) due to a large vessel occlusion. Preclinical data have suggested that intravenous thrombolysis (IVT) before endovascular therapy (EVT) could dampen microvascular thromboinflammation. In this study we investigated the association between NA dynamics and stroke outcome, and the impact of IVT on NA in patients with AIS treated with EVT. METHODS A single-center prospective study was carried out, including patients treated with EVT for whom three blood samples (before, within 1 hour, 24 hours post-EVT) were drawn to measure plasma myeloperoxidase (MPO) concentration as a marker of NA. Unfavorable outcome was defined as a modified Rankin score of 3-6 at 3 months. RESULTS Between 2016 and 2020, 179 patients were included. The plasma MPO concentration peaked significantly 1 hour post-EVT (median increase 21.0 ng/mL (IQR -2.1-150)) and returned to pre-EVT baseline values 24 hours after EVT (median change from baseline -0.8 ng/mL (IQR -7.6-6.7)). This peak was strongly associated with unfavorable outcomes at 3 months (aOR 0.53 (95% CI 0.34 to 0.84), P=0.007). IVT before EVT abolished this 1 hour post-EVT MPO peak. Changes in plasma MPO concentration (baseline to 1 hour post-EVT) were associated with unfavorable outcomes only in patients not treated with IVT before EVT (aOR 0.54 (95% CI 0.33 to 0.88, P=0.013). However, we found no significant heterogeneity in the associations between changes in plasma MPO concentration and outcomes. CONCLUSIONS A peak in plasma MPO concentration occurs early after EVT and is associated with unfavorable outcomes. IVT abolished the post-EVT MPO peak and may modulate the association between NA and outcomes.
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Affiliation(s)
- Benjamin Maïer
- Interventional Neuroradiology Department, Fondation Rothschild Hospital, Paris, France
- UMRS-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France, Université de Paris Cité, Inserm, Paris, France
- Neurology Department, Hôpital Saint-Joseph, Paris, France
- FHU NeuroVasc, Paris, France
| | - Lucas Di Meglio
- Interventional Neuroradiology Department, Fondation Rothschild Hospital, Paris, France
- UMRS-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France, Université de Paris Cité, Inserm, Paris, France
| | - Jean-Philippe Desilles
- Interventional Neuroradiology Department, Fondation Rothschild Hospital, Paris, France
- UMRS-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France, Université de Paris Cité, Inserm, Paris, France
- FHU NeuroVasc, Paris, France
| | - Mialitiana Solo Nomenjanahary
- UMRS-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France, Université de Paris Cité, Inserm, Paris, France
| | - François Delvoye
- Interventional Neuroradiology Department, Fondation Rothschild Hospital, Paris, France
| | - Maeva Kyheng
- Interventional Neuroradiology Department, Fondation Rothschild Hospital, Paris, France
| | - Perrine Boursin
- Interventional Neuroradiology Department, Fondation Rothschild Hospital, Paris, France
| | - Véronique Ollivier
- UMRS-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France, Université de Paris Cité, Inserm, Paris, France
| | - Sébastien Dupont
- UMRS-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France, Université de Paris Cité, Inserm, Paris, France
| | - Thomas Rambaud
- UMRS-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France, Université de Paris Cité, Inserm, Paris, France
| | - Mylène Hamdani
- Interventional Neuroradiology Department, Fondation Rothschild Hospital, Paris, France
| | | | - Raphaël Blanc
- Interventional Neuroradiology Department, Fondation Rothschild Hospital, Paris, France
| | - Michel Piotin
- Interventional Neuroradiology Department, Fondation Rothschild Hospital, Paris, France
| | - Jean-Michel Halimi
- Nephrology Department, Tours Hospital, Tours, France
- EA4245-Transplantation, Immunology and Inflammation, University of Tours, Tours, France
| | - Mikaël Mazighi
- Interventional Neuroradiology Department, Fondation Rothschild Hospital, Paris, France
- UMRS-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France, Université de Paris Cité, Inserm, Paris, France
- FHU NeuroVasc, Paris, France
- Department of Neurology, Lariboisiere Hospital, Université Paris Cité, Paris, France
| | - Benoit Ho-Tin-Noe
- UMRS-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France, Université de Paris Cité, Inserm, Paris, France
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Ryu JC, Kwon B, Song Y, Lee DH, Chang JY, Kang DW, Kwon SU, Kim JS, Kim BJ. Effect of Intravenous Thrombolysis Prior to Mechanical Thrombectomy According to the Location of M1 Occlusion. J Stroke 2024; 26:75-86. [PMID: 38186184 PMCID: PMC10850451 DOI: 10.5853/jos.2023.01529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 09/06/2023] [Accepted: 09/26/2023] [Indexed: 01/09/2024] Open
Abstract
BACKGROUND AND PURPOSE The additive effects of intravenous thrombolysis (IVT) before mechanical thrombectomy (MT) remain unclear. We aimed to investigate the efficacy and safety of IVT prior to MT depending on the location of M1 occlusion. METHODS We reviewed the cases of patients who underwent MT for emergent large-vessel occlusion of the M1 segment. Baseline characteristics as well as clinical and periprocedural variables were compared according to the location of M1 occlusion (i.e., proximal and distal M1 occlusion). The main outcome was the achievement of functional independence (modified Rankin Scale score, 0-2) at 3 months after stroke. The main outcomes were compared between the proximal and distal groups based on the use of IVT before MT. RESULTS Among 271 patients (proximal occlusion, 44.6%; distal occlusion, 55.4%), 33.9% (41/121) with proximal occlusion and 24.7% (37/150) with distal occlusion underwent IVT prior to MT. Largeartery atherosclerosis was more common in patients with proximal M1 occlusion; cardioembolism was more common in those with distal M1 occlusion. In patients with proximal M1 occlusion, there was no association between IVT before MT and functional independence. In contrast, there was a significant association between the use of IVT prior to MT (odds ratio=5.30, 95% confidence interval=1.56-18.05, P=0.007) and functional independence in patients with distal M1 occlusion. CONCLUSION IVT before MT was associated with improved functional outcomes in patients with M1 occlusion, especially in those with distal M1 occlusion but not in those with proximal M1 occlusion.
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Affiliation(s)
- Jae-Chan Ryu
- Department of Neurology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Boseong Kwon
- Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Yunsun Song
- Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Deok Hee Lee
- Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jun Young Chang
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Dong-Wha Kang
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sun U. Kwon
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jong S. Kim
- Department of Neurology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea
| | - Bum Joon Kim
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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21
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Zhang Y, Jiang M, Gao Y, Zhao W, Wu C, Li C, Li M, Wu D, Wang W, Ji X. "No-reflow" phenomenon in acute ischemic stroke. J Cereb Blood Flow Metab 2024; 44:19-37. [PMID: 37855115 PMCID: PMC10905637 DOI: 10.1177/0271678x231208476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 08/04/2023] [Accepted: 09/13/2023] [Indexed: 10/20/2023]
Abstract
Acute ischemic stroke (AIS) afflicts millions of individuals worldwide. Despite the advancements in thrombolysis and thrombectomy facilitating proximal large artery recanalization, the resultant distal hypoperfusion, referred to "no-reflow" phenomenon, often impedes the neurological function restoration in patients. Over half a century of scientific inquiry has validated the existence of cerebral "no-reflow" in both animal models and human subjects. Furthermore, the correlation between "no-reflow" and adverse clinical outcomes underscores the necessity to address this phenomenon as a pivotal strategy for enhancing AIS prognoses. The underlying mechanisms of "no-reflow" are multifaceted, encompassing the formation of microemboli, microvascular compression and contraction. Moreover, a myriad of complex mechanisms warrant further investigation. Insights gleaned from mechanistic exploration have prompted advancements in "no-reflow" treatment, including microthrombosis therapy, which has demonstrated clinical efficacy in improving patient prognoses. The stagnation in current "no-reflow" diagnostic methods imposes limitations on the timely application of combined therapy on "no-reflow" post-recanalization. This narrative review will traverse the historical journey of the "no-reflow" phenomenon, delve into its underpinnings in AIS, and elucidate potential therapeutic and diagnostic strategies. Our aim is to equip readers with a swift comprehension of the "no-reflow" phenomenon and highlight critical points for future research endeavors.
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Affiliation(s)
- Yang Zhang
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Miaowen Jiang
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China
| | - Yuan Gao
- School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China
| | - Wenbo Zhao
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Chuanjie Wu
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Chuanhui Li
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Ming Li
- China-America Institute of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Di Wu
- China-America Institute of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Wu Wang
- Institute of Diagnostic and Interventional Radiology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xunming Ji
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- China-America Institute of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
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22
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Deng G, Chu YH, Xiao J, Shang K, Zhou LQ, Qin C, Tian DS. Risk Factors, Pathophysiologic Mechanisms, and Potential Treatment Strategies of Futile Recanalization after Endovascular Therapy in Acute Ischemic Stroke. Aging Dis 2023; 14:2096-2112. [PMID: 37199580 PMCID: PMC10676786 DOI: 10.14336/ad.2023.0321-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 03/22/2023] [Indexed: 05/19/2023] Open
Abstract
Endovascular therapy is the first-line treatment for acute ischemic stroke. However, studies have shown that, even with the timely opening of occluded blood vessels, nearly half of all patients treated with endovascular therapy for acute ischemic stroke still have poor functional recovery, a phenomenon called "futile recanalization.". The pathophysiology of futile recanalization is complex and may include tissue no-reflow (microcirculation reperfusion failure despite recanalization of the occluded large artery), early arterial reocclusion (reocclusion of the recanalized artery 24-48 hours post endovascular therapy), poor collateral circulation, hemorrhagic transformation (cerebral bleeding following primary ischemic stroke), impaired cerebrovascular autoregulation, and large hypoperfusion volume. Therapeutic strategies targeting these mechanisms have been attempted in preclinical research; however, translation to the bedside remains to be explored. This review summarizes the risk factors, pathophysiological mechanisms, and targeted therapy strategies of futile recanalization, focusing on the mechanisms and targeted therapy strategies of no-reflow to deepen the understanding of this phenomenon and provide new translational research ideas and potential intervention targets for improving the efficacy of endovascular therapy for acute ischemic stroke.
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Affiliation(s)
- Gang Deng
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yun-hui Chu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jun Xiao
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ke Shang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Luo-Qi Zhou
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Chuan Qin
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Dai-Shi Tian
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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23
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Shang K, Zhu W, Ye L, Li Y. Effect of mechanical thrombectomy with and without intravenous thrombolysis on the functional outcome of patients with different degrees of thrombus perviousness. Neuroradiology 2023; 65:1657-1663. [PMID: 37640883 DOI: 10.1007/s00234-023-03210-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 08/06/2023] [Indexed: 08/31/2023]
Abstract
PURPOSE This study aimed to investigate the long-term functional outcome of patients with different degrees of thrombus perviousness (TP) undergoing mechanical thrombectomy alone and those undergoing combined intravenous thrombolysis (IVT) plus mechanical thrombectomy. METHODS We conducted a retrospective analysis of consecutive patients with acute ischemic stroke due to large vessel occlusion who underwent mechanical thrombectomy alone or bridging therapy between January 2016 and October 2020. TP was quantified by thrombus attenuation increase (TAI) on admission computed tomography angiography compared with non-contrast computed tomography. After dichotomization of TAI as higher or lower perviousness, Fisher exact tests were performed to estimate the associations of different therapies with favorable functional outcomes [Modified Ranking Scale score at 90 days (90-day mRS) of 0 to 2]. RESULTS A total of 73 patients were included in our study. 35 (47.9%) thrombi were classified as higher-perviousness clots with TAI of ≥ 24 HU, and the other 38 thrombi were lower-perviousness clots. A favorable outcome with a 90-day mRS of 0 to 2 was observed in 32 patients. In patients with thrombi of lower perviousness, favorable outcome was more common in the bridging therapy group than in the thrombectomy-alone group (p = 0.013), whereas in patients with thrombi of higher perviousness, the long-term neurological outcome did not significantly differ between two therapy groups (p = 0.094). CONCLUSION Patients with thrombi of lower perviousness were recommended to undergo intravenous alteplase followed by endovascular thrombectomy, and those with thrombi of higher perviousness could undergo thrombectomy alone.
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Affiliation(s)
- Kai Shang
- Institute of Diagnostic and Interventional Radiology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, No. 600 Yishan Road, Xuhui District, Shanghai, 200235, China
| | - Wangshu Zhu
- Institute of Diagnostic and Interventional Radiology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, No. 600 Yishan Road, Xuhui District, Shanghai, 200235, China
| | - Lifang Ye
- Institute of Diagnostic and Interventional Radiology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, No. 600 Yishan Road, Xuhui District, Shanghai, 200235, China
| | - Yuehua Li
- Institute of Diagnostic and Interventional Radiology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, No. 600 Yishan Road, Xuhui District, Shanghai, 200235, China.
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24
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Rodriguez-Calienes A, Galecio-Castillo M, Farooqui M, Hassan AE, Jumaa MA, Divani AA, Ribo M, Abraham M, Petersen NH, Fifi J, Guerrero WR, Malik AM, Siegler JE, Nguyen TN, Yoo AJ, Linares G, Janjua N, Quispe-Orozco D, Tekle WG, Alhajala H, Ikram A, Rizzo F, Qureshi A, Begunova L, Matsouka S, Vigilante N, Salazar-Marioni S, Abdalkader M, Gordon W, Soomro J, Turabova C, Vivanco-Suarez J, Mokin M, Yavagal DR, Jovin T, Sheth S, Ortega-Gutierrez S. Safety Outcomes of Mechanical Thrombectomy Versus Combined Thrombectomy and Intravenous Thrombolysis in Tandem Lesions. Stroke 2023; 54:2522-2533. [PMID: 37602387 PMCID: PMC10599264 DOI: 10.1161/strokeaha.123.042966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 07/11/2023] [Indexed: 08/22/2023]
Abstract
BACKGROUND We aimed to describe the safety and efficacy of mechanical thrombectomy (MT) with or without intravenous thrombolysis (IVT) for patients with tandem lesions and whether using intraprocedural antiplatelet therapy influences MT's safety with IVT treatment. METHODS This is a subanalysis of a pooled, multicenter cohort of patients with acute anterior circulation tandem lesions treated with MT from 16 stroke centers between January 2015 and December 2020. Primary outcomes included symptomatic intracranial hemorrhage (sICH) and parenchymal hematoma type 2. Additional outcomes included hemorrhagic transformation, successful reperfusion (modified Thrombolysis in Cerebral Infarction score 2b-3), complete reperfusion (modified Thrombolysis in Cerebral Infarction score 3), favorable functional outcome (90-day modified Rankin Scale score 0-2), excellent functional outcome (90-day modified Rankin Scale score 0-1), in-hospital mortality, and 90-day mortality. RESULTS Of 691 patients, 512 were included (218 underwent IVT+MT and 294 MT alone). There was no difference in the risk of sICH (adjusted odds ratio [aOR], 1.22 [95% CI, 0.60-2.51]; P=0.583), parenchymal hematoma type 2 (aOR, 0.99 [95% CI, 0.47-2.08]; P=0.985), and hemorrhagic transformation (aOR, 0.95 [95% CI, 0.62-1.46]; P=0.817) between the IVT+MT and MT alone groups after adjusting for confounders. Administration of IVT was associated with an increased risk of sICH in patients who received intravenous antiplatelet therapy (aOR, 3.04 [95% CI, 0.99-9.37]; P=0.05). The IVT+MT group had higher odds of a 90-day modified Rankin Scale score 0 to 2 (aOR, 1.72 [95% CI, 1.01-2.91]; P=0.04). The odds of successful reperfusion, complete reperfusion, 90-day modified Rankin Scale score 0 to 1, in-hospital mortality, or 90-day mortality did not differ between the IVT+MT versus MT alone groups. CONCLUSIONS Our study showed that the combination of IVT with MT for tandem lesions did not increase the overall risk of sICH, parenchymal hematoma type 2, or overall hemorrhagic transformation independently of the cervical revascularization technique used. However, intraprocedural intravenous antiplatelet therapy during acute stent implantation might be associated with an increased risk of sICH in patients who received IVT before MT. Importantly, IVT+MT treatment was associated with a higher rate of favorable functional outcomes at 90 days.
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Affiliation(s)
- Aaron Rodriguez-Calienes
- Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City
- Department of Neuroscience, Clinical Effectiveness and Public Health Research Group, Universidad Científica del Sur, Lima, Peru
| | | | - Mudassir Farooqui
- Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City
| | - Ameer E. Hassan
- Department of Neurology, Valley Baptist Medical Center/University of Texas Rio Grande Valley, Harlingen, TX
| | | | - Afshin A. Divani
- Department of Neurology, University of New Mexico Health Science Center, Albuquerque
| | - Marc Ribo
- Department of Neurology, Hospital Vall d’Hebron, Barcelona, Spain
| | - Michael Abraham
- Department of Neurology, University of Kansas Medical Center
| | - Nils H. Petersen
- Department of Neurology, Yale University School of Medicine, New Haven, CT
| | - Johanna Fifi
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York
| | - Waldo R. Guerrero
- Department of Neurology and Brain Repair, University of South Florida, Tampa
| | - Amer M. Malik
- Department of Neurology, University of Miami Miller School of Medicine, FL
| | - James E. Siegler
- Cooper Neurological Institute, Cooper University Hospital, Camden, NJ
- Cooper Medical School of Rowan University, Candem, NJ
| | | | | | | | - Nazli Janjua
- Asia Pacific Comprehensive Stroke Institute, Pomona Valley Hospital Medical Center, CA
| | - Darko Quispe-Orozco
- Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City
| | - Wondwossen G. Tekle
- Department of Neurology, Valley Baptist Medical Center/University of Texas Rio Grande Valley, Harlingen, TX
| | | | - Asad Ikram
- Department of Neurology, University of New Mexico Health Science Center, Albuquerque
| | - Federica Rizzo
- Department of Neurology, Hospital Vall d’Hebron, Barcelona, Spain
| | - Abid Qureshi
- Department of Neurology, University of Kansas Medical Center
| | - Liza Begunova
- Department of Neurology, Yale University School of Medicine, New Haven, CT
| | - Stavros Matsouka
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York
| | | | | | | | - Weston Gordon
- Department of Neurology, Saint Louis University, St. Louis, MO
| | | | - Charoskon Turabova
- Asia Pacific Comprehensive Stroke Institute, Pomona Valley Hospital Medical Center, CA
| | - Juan Vivanco-Suarez
- Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City
| | - Maxim Mokin
- Department of Neurology and Brain Repair, University of South Florida, Tampa
| | - Dileep R. Yavagal
- Department of Neurology, University of Miami Miller School of Medicine, FL
| | - Tudor Jovin
- Cooper Neurological Institute, Cooper University Hospital, Camden, NJ
| | - Sunil Sheth
- Department of Neurology, UT Health McGovern Medical School, Houston, TX
| | - Santiago Ortega-Gutierrez
- Department of Neurology, Neurosurgery & Radiology, University of Iowa Hospitals and Clinics, Iowa City
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Kiouptsi K, Casari M, Mandel J, Gao Z, Deppermann C. Intravital Imaging of Thrombosis Models in Mice. Hamostaseologie 2023; 43:348-359. [PMID: 37857297 DOI: 10.1055/a-2118-2932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023] Open
Abstract
Intravital microscopy is a powerful tool to study thrombosis in real time. The kinetics of thrombus formation and progression in vivo is studied after inflicting damage to the endothelium through mechanical, chemical, or laser injury. Mouse models of atherosclerosis are also used to induce thrombus formation. Vessels of different sizes and from different vascular beds such as carotid artery or vena cava, mesenteric or cremaster arterioles, can be targeted. Using fluorescent dyes, antibodies, or reporter mouse strains allows to visualize key cells and factors mediating the thrombotic processes. Here, we review the latest literature on using intravital microscopy to study thrombosis as well as thromboinflammation following transient middle cerebral artery occlusion, infection-induced immunothrombosis, and liver ischemia reperfusion.
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Affiliation(s)
- Klytaimnistra Kiouptsi
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Martina Casari
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Jonathan Mandel
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Zhenling Gao
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Carsten Deppermann
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
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26
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Lee KS, Siow I, Zhang JJ, Syn NL, Gillespie CS, Yuen LZ, Anil G, Yang C, Chan BP, Sharma VK, Teoh HL, Mingxue J, Teo KSH, Myint MZ, Bhogal P, Meyer L, Schob S, Sia CH, Mpotsaris A, Maus V, Andersson T, Arnberg F, Gontu VK, Lee TH, Tan BYQ, Yeo LL. Bridging thrombolysis improves survival rates at 90 days compared with direct mechanical thrombectomy alone in acute ischemic stroke due to basilar artery occlusion: a systematic review and meta-analysis of 1096 patients. J Neurointerv Surg 2023; 15:1039-1045. [PMID: 36175014 DOI: 10.1136/jnis-2022-019510] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 09/13/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND Mechanical thrombectomy (MT) is an effective treatment for patients with acute ischemic stroke (AIS) from basilar artery occlusion (BAO). OBJECTIVE To compare the clinical outcomes of MT, with and without bridging intravenous thrombolysis (IVT), in acute BAO through a systematic review and meta-analysis of the current literature. METHODS Systematic searches of Medline, EMBASE, and Cochrane Central were undertaken on August 1, 2022. Good functional outcome defined as 90-day modified Rankin Scale score 0-2 was the primary outcome measure. Secondary outcome measures were 90-day mortality, successful post-thrombectomy recanalization (modified Thrombolysis in Cerebral Infarction score ≥2b), symptomatic intracranial hemorrhage (sICH), and subarachnoid hemorrhage (SAH). RESULTS Three studies reporting 1096 patients with BAO AIS were included in the meta-analysis. No significant differences in good functional outcome were detected between the two groups (RR=1.28 (95% CI 0.86 to 1.92); p=0.117). However, specifically patients with large artery atherosclerosis (LAA) benefited from bridging IVT (OR=2.52 (95% CI 1.51 to 4.22); p<0.001) with better functional outcomes. There was a significantly lower 90-day mortality rate for patients who underwent bridging IVT compared with MT alone (RR=0.70 (95% CI 0.62 to 0.80); p=0.008). No significant differences were detected in rates of post-treatment recanalization (RR=1.01 (95% CI 0.35 to 2.91); p=0.954), sICH (RR=0.96 (95% CI 0.66 to 1.42); p=0.724), and SAH (RR=0.93 (95% CI 0.31 to 2.83); p=0.563). CONCLUSIONS In patients with AIS due to BAO, bridging IVT was associated with lower mortality rates at 90 days, compared with direct MT. There were no improved functional outcomes or increased sICH or SAH between both arms, However, patients with LAA benefited from bridging IVT, with better functional outcomes.
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Affiliation(s)
- Keng Siang Lee
- Bristol Medical School, University of Bristol, Bristol, UK
| | - Isabel Siow
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - John Jy Zhang
- Department of Neurosurgery, National Neuroscience Institute, Singapore
| | - Nicholas L Syn
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Conor S Gillespie
- Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
| | - Linus Zh Yuen
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Gopinathan Anil
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Divison of Interventional Radiology, Department of Diagnostic Imaging, National University Health System, Singapore
| | - Cunli Yang
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Divison of Interventional Radiology, Department of Diagnostic Imaging, National University Health System, Singapore
| | - Bernard Pl Chan
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Division of Neurology, Department of Medicine, National University Health System, Singapore
| | - Vijay Kumar Sharma
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Division of Neurology, Department of Medicine, National University Health System, Singapore
| | - Hock-Luen Teoh
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Division of Neurology, Department of Medicine, National University Health System, Singapore
| | - Jing Mingxue
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Division of Neurology, Department of Medicine, National University Health System, Singapore
| | - Kevin Soon Hwee Teo
- Division of Neurology, Department of Medicine, National University Health System, Singapore
| | - May Zin Myint
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Division of Neurology, Department of Medicine, National University Health System, Singapore
| | - Pervinder Bhogal
- Department of Interventional Neuroradiology, St. Bartholomew's and The Royal London Hospital, London, UK
| | - Lukas Meyer
- Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Stefan Schob
- Department of Neuroradiology, Clinic and Policlinic of Radiology, University Hospital Halle/Saale, Halle, Germany
| | - Ching-Hui Sia
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Department of Cardiology, National University Heart Centre Singapore, Singapore
| | - Anastasios Mpotsaris
- Department of Diagnostic and Interventional Neuroradiology and Nuclear Medicine, Universitätsklinikum Knappschaftskrankenhaus Bochum, Bochum, Germany
| | - Volker Maus
- Department of Diagnostic and Interventional Neuroradiology and Nuclear Medicine, Universitätsklinikum Knappschaftskrankenhaus Bochum, Bochum, Germany
| | - Tommy Andersson
- Department of Neuroradiology; Department of Clinical Neuroscience, Karolinska University Hospital; Karolinska Institutet, Stockholm, Sweden
- Department of Medical Imaging, AZ Groeninge, Kortrijk, Belgium
| | - Fabian Arnberg
- Department of Neuroradiology; Department of Clinical Neuroscience, Karolinska University Hospital; Karolinska Institutet, Stockholm, Sweden
| | - Vamsi Krishna Gontu
- Department of Neuroradiology; Department of Clinical Neuroscience, Karolinska University Hospital; Karolinska Institutet, Stockholm, Sweden
| | - Tsong-Hai Lee
- Department of Neruology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Benjamin Y Q Tan
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Division of Neurology, Department of Medicine, National University Health System, Singapore
| | - Leonard Ll Yeo
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Division of Neurology, Department of Medicine, National University Health System, Singapore
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27
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Li C, Wu Y, Chen Q, Luo Y, Liu P, Zhou Z, Zhao Z, Zhang T, Su B, Sun T, Jiang C. Pleiotropic Microenvironment Remodeling Micelles for Cerebral Ischemia-Reperfusion Injury Therapy by Inhibiting Neuronal Ferroptosis and Glial Overactivation. ACS NANO 2023; 17:18164-18177. [PMID: 37703316 DOI: 10.1021/acsnano.3c05038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
Reperfusion injury presents a significant obstacle to neuronal survival following successful recanalization in ischemic stroke, which is characterized by intricate pathophysiological processes comprising numerous interconnected pathways. Oxidative stress-induced neuronal ferroptosis and the overactivation of glial cells play important roles in this phenomenon. In this study, we developed a targeted cross-linked micelle loaded with idebenone to rescue the ischemic penumbra by inhibiting neuronal ferroptosis and glial overactivation. In rat models, the CREKA peptide-modified micelles accumulate in the damaged brain via binding to microthrombi in the ipsilateral microvessels. Upon reactive oxygen species (ROS) stimulation, diselenide bonds within the micelles are transformed to hydrophilic seleninic acids, enabling synchronized ROS consumption and responsive drug release. The released idebenone scavenges ROS, prevents oxidative stress-induced neuronal ferroptosis, attenuates glial overactivation, and suppresses pro-inflammatory factors secretion, thereby modulating the inflammatory microenvironment. Finally, this micelle significantly reinforces neuronal survival, reduces infarct volume, and improves behavioral function compared to the control groups. This pleiotropic therapeutic micelle provides a proof-of-concept of remodeling the lesion microenvironment by inhibiting neuronal ferroptosis and glial overactivation to treat cerebral ischemia-reperfusion injury.
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Affiliation(s)
- Chao Li
- Department of Pharmaceutics, School of Pharmacy, Fudan University; Key Laboratory of Smart Drug Delivery, Ministry of Education; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai 201203, People's Republic of China
| | - Yuxing Wu
- Department of Pharmaceutics, School of Pharmacy, Fudan University; Key Laboratory of Smart Drug Delivery, Ministry of Education; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai 201203, People's Republic of China
| | - Qinjun Chen
- Department of Pharmaceutics, School of Pharmacy, Fudan University; Key Laboratory of Smart Drug Delivery, Ministry of Education; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai 201203, People's Republic of China
| | - Yifan Luo
- Department of Pharmaceutics, School of Pharmacy, Fudan University; Key Laboratory of Smart Drug Delivery, Ministry of Education; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai 201203, People's Republic of China
| | - Peixin Liu
- Department of Pharmaceutics, School of Pharmacy, Fudan University; Key Laboratory of Smart Drug Delivery, Ministry of Education; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai 201203, People's Republic of China
| | - Zheng Zhou
- Department of Pharmaceutics, School of Pharmacy, Fudan University; Key Laboratory of Smart Drug Delivery, Ministry of Education; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai 201203, People's Republic of China
| | - Zhenhao Zhao
- Department of Pharmaceutics, School of Pharmacy, Fudan University; Key Laboratory of Smart Drug Delivery, Ministry of Education; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai 201203, People's Republic of China
| | - Tongyu Zhang
- Department of Pharmaceutics, School of Pharmacy, Fudan University; Key Laboratory of Smart Drug Delivery, Ministry of Education; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai 201203, People's Republic of China
| | - Boyu Su
- Department of Pharmaceutics, School of Pharmacy, Fudan University; Key Laboratory of Smart Drug Delivery, Ministry of Education; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai 201203, People's Republic of China
| | - Tao Sun
- Department of Pharmaceutics, School of Pharmacy, Fudan University; Key Laboratory of Smart Drug Delivery, Ministry of Education; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai 201203, People's Republic of China
| | - Chen Jiang
- Department of Pharmaceutics, School of Pharmacy, Fudan University; Key Laboratory of Smart Drug Delivery, Ministry of Education; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai 201203, People's Republic of China
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28
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Maïer B, Finitsis S, Mazighi M, Lapergue B, Marnat G, Sibon I, Richard S, Cognard C, Viguier A, Olivot JM, Gory B. Thrombectomy with or without Intravenous Thrombolytics in Basilar Artery Occlusion. Ann Neurol 2023; 94:596-604. [PMID: 37314741 DOI: 10.1002/ana.26720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 06/01/2023] [Accepted: 06/08/2023] [Indexed: 06/15/2023]
Abstract
OBJECTIVE Two randomized trials demonstrated the benefit of endovascular therapy (EVT) in patients suffering from a stroke due to a basilar artery occlusion (BAO). However, intravenous thrombolytic (IVT) use before EVT was low in these trials, questioning the added value of this treatment in this setting. We sought to investigate the efficacy and safety of EVT alone compared to IVT + EVT in stroke patients with a BAO. METHODS We analyzed data from the Endovascular Treatment in Ischemic Stroke registry, a prospective, observational, multicenter study of acute ischemic stroke patients treated with EVT in 21 centers in France between 1 January 2015 and 31 December 2021. We included patients with BAO and/or intracranial vertebral artery occlusion and compared patients treated with EVT alone versus IVT + EVT after propensity score (PS) matching. Variables selected for the PS were pre-stroke mRS, dyslipidemia, diabetes, anticoagulation, admission mode, baseline NIHSS and ASPECTS, type of anesthesia, and time from symptom onset to puncture. Efficacy outcomes were good functional outcome (modified Rankin Scale [mRS] 0-3) and functional independence (mRS 0-2) at 90 days. Safety outcomes were symptomatic intracranial hemorrhages and all-cause mortality at 90 days. RESULTS Among 385 patients, 243 (134 EVT alone and 109 IVT + EVT) were included after PS matching. There was no difference between EVT alone and IVT + EVT regarding good functional outcome (adjusted odd ratio [aOR] labeling = 1.27, 95% confidence interval [CI], 0.68-2.37, p = 0.45) and functional independence (aOR = 1.50, 95% CI, 0.79-2.85, p = 0.21). Symptomatic intracranial hemorrhage and all-cause mortality were also similar between the two groups (aOR = 0.42, 95% CI, 0.10-1.79, p = 0.24 and aOR = 0.56, 95% CI, 0.29-1.10, p = 0.09, respectively). INTERPRETATION In this PS matching analysis, EVT alone seemed to lead to similar neurological recovery than IVT + EVT, with comparable safety profile. However, given our sample size and the observational nature of this study, further studies are needed to confirm these findings. ANN NEUROL 2023;94:596-604.
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Affiliation(s)
- Benjamin Maïer
- Neurology Department, Hôpital Saint-Joseph, Paris, France
- Service de Recherche Clinique, Hôpital Fondation A. de Rothschild, Paris, France
- Université Paris-Cité, Paris, France
- Université Paris-Cité and Université Sorbonne Paris Nord, INSERM, LVTS, F-75018, Paris, France
| | - Stephanos Finitsis
- Aristotle University of Thessaloniki, Ahepa Hospital, Thessaoniki, Greece
| | - Mikael Mazighi
- Université Paris-Cité, Paris, France
- Université Paris-Cité and Université Sorbonne Paris Nord, INSERM, LVTS, F-75018, Paris, France
- Neurology Department, Hôpital Lariboisière, Paris, France
- Interventional Neuroradiology Department, Hôpital Fondation A. de Rothschild, Paris, France
| | - Bertrand Lapergue
- Department of Neurology, Foch Hospital, Versailles Saint-Quentin en Yvelines University, Suresnes, France
| | - Gaultier Marnat
- Department of Diagnostic and Interventional Neuroradiology, University Hospital of Bordeaux, Bordeaux, France
| | - Igor Sibon
- Neurology Department, University Hospital of Bordeaux, Bordeaux, France
| | - Sebastien Richard
- Department of Neurology, Stroke Unit, CIC-P 1433, INSERM U1116, CHRU-Nancy, Nancy, France
| | | | - Alain Viguier
- Vascular Neurology Department, University Hospital of Toulouse, Toulouse, France
| | - Jean-Marc Olivot
- Vascular Neurology Department, University Hospital of Toulouse, Toulouse, France
| | - Benjamin Gory
- CHRU-Nancy, Department of Diagnostic and Therapeutic Neuroradiology, Université de Lorraine, Nancy, France
- INSERM 1254, IADI, Université de Lorraine, Nancy, France
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Rex NB, McDonough RV, Ospel JM, Kashani N, Sehgal A, Fladt JC, McTaggart RA, Nogueira R, Menon B, Demchuk AM, Tymianski M, Hill MD, Goyal M. CT Perfusion Does Not Modify the Effect of Reperfusion in Patients with Acute Ischemic Stroke Undergoing Endovascular Treatment in the ESCAPE-NA1 Trial. AJNR Am J Neuroradiol 2023; 44:1045-1049. [PMID: 37620153 PMCID: PMC10494951 DOI: 10.3174/ajnr.a7954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 06/27/2023] [Indexed: 08/26/2023]
Abstract
BACKGROUND AND PURPOSE Although reperfusion is associated with improved outcomes in patients with acute ischemic stroke undergoing endovascular treatment, many patients still do poorly. We investigated whether CTP modifies the effect of near-complete reperfusion on clinical outcomes, ie, whether poor clinical outcomes despite near-complete reperfusion can be partly or fully explained by CTP findings. MATERIALS AND METHODS Data are from the Safety and Efficacy of Nerinetide in Subjects Undergoing Endovascular Thrombectomy for Stroke (ESCAPE-NA1) trial. Admission CTP was processed using RAPID software, generating relative CBF and CBV volume maps at standard thresholds. CTP lesion volumes were compared in patients with-versus-without near-complete reperfusion. Associations between each CTP metric and clinical outcome (90-day mRS) were tested using multivariable logistic regression, adjusted for baseline imaging and clinical variables. Treatment-effect modification was assessed by introducing CTP lesion volume × reperfusion interaction terms in the models. RESULTS CTP lesion volumes and reperfusion status were available in 410/1105 patients. CTP lesion volumes were overall larger in patients without near-complete reperfusion, albeit not always statistically significant. Increased CBF <34%, CBV <34%, CBV <38%, and CBV <42% lesion volumes were associated with worse clinical outcome (ordinal mRS) at 90 days. CTP core lesion volumes did not modify the treatment effect of near-complete recanalization on clinical outcome. CONCLUSIONS CTP did not modify the effect of near-complete reperfusion on clinical outcomes. Thus, CTP cannot explain why some patients with near-complete reperfusion have poor clinical outcomes.
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Affiliation(s)
- N B Rex
- From the Department of Diagnostic Imaging (N.B.R., R.A.M.), Brown University, Providence, Rhode Island
- Department of Diagnostic Imaging (N.B.R., R.V.M., J.M.O., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
| | - R V McDonough
- Department of Diagnostic Imaging (N.B.R., R.V.M., J.M.O., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
| | - J M Ospel
- Department of Diagnostic Imaging (N.B.R., R.V.M., J.M.O., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
- Department of Clinical Neurosciences (J.M.O., A.S., J.C.F., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
| | - N Kashani
- Department of Neurosurgery (N.K.), University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - A Sehgal
- Department of Clinical Neurosciences (J.M.O., A.S., J.C.F., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
| | - J C Fladt
- Department of Clinical Neurosciences (J.M.O., A.S., J.C.F., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
- Department of Neurology and Stroke Center (J.C.F.), University Hospital Basel, Basel, Switzerland
| | - R A McTaggart
- From the Department of Diagnostic Imaging (N.B.R., R.A.M.), Brown University, Providence, Rhode Island
| | - R Nogueira
- Department of Neurology and Neurosurgery (R.N.), University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - B Menon
- Department of Diagnostic Imaging (N.B.R., R.V.M., J.M.O., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
- Department of Clinical Neurosciences (J.M.O., A.S., J.C.F., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
| | - A M Demchuk
- Department of Diagnostic Imaging (N.B.R., R.V.M., J.M.O., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
- Department of Clinical Neurosciences (J.M.O., A.S., J.C.F., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
| | | | - M D Hill
- Department of Diagnostic Imaging (N.B.R., R.V.M., J.M.O., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
- Department of Clinical Neurosciences (J.M.O., A.S., J.C.F., B.M., A.M.D., M.D.H., M.G.), University of Calgary, Calgary, Alberta, Canada
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Chang Y, Li YZ, Xue L. Adjuvant intra-arterial thrombolysis during mechanical thrombectomy is an effective means of improving outcomes for patients with large vessel occlusion stroke: A systematic review and meta-analysis. Clin Neurol Neurosurg 2023; 232:107898. [PMID: 37473487 DOI: 10.1016/j.clineuro.2023.107898] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 06/30/2023] [Accepted: 07/15/2023] [Indexed: 07/22/2023]
Abstract
OBJECTIVE It is unknown whether adjunctive intra-arterial thrombolysis (IAT) during mechanical thrombectomy (MT) improves outcomes in patients with large vessel occlusion (LVO) stroke. This systematic review and meta-analysis aimed to compare the safety and efficacy of MT with and without IAT for the treatment of LVO stroke. METHODS A systematic literature search of PubMed, Embase, and the Cochrane Library was conducted to identify studies that compared rates of 3-month functional independence (modified Rankin Scale score 0-2), successful revascularization, symptomatic intracranial hemorrhage, and 3-month mortality for MT+IAT and MT alone. Meta-analyses were performed using random effects models, and effect sizes were expressed as odds ratios (ORs) and 95% confidence intervals (CIs). Heterogeneity was assessed with Cochran's Q test and I2 statistic. RESULTS Twelve studies met eligibility criteria, comprising one randomized controlled trial and 11 observational cohort studies involving 2584 patients. Compared to MT alone, MT+IAT had a 43% higher odds of 3-month functional independence (OR 1.43, 95% CI 1.11-1.83; I2 =21%) and a 23% decrease in odds for 3-month mortality (OR 0.77, 95% CI 0.60-0.99; I2 =0%). There were no differences in successful revascularization (OR 1.39, 95% CI 0.89-2.17; I2 =57%) or symptomatic intracranial hemorrhage (OR 0.87, 95% CI 0.56-1.35; I2 =6%) between the two groups. CONCLUSIONS The present study has demonstrated that, compared with MT alone, the use of adjunct IAT during MT in patients with LVO stroke resulted in better functional outcomes and lower mortality.
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Affiliation(s)
- Yu Chang
- Department of Neurology, Suining Central Hospital, Sichuan, China.
| | - Yi-Zheng Li
- Department of Neurology, Qinghai Provincial People's Hospital, Qinghai, China
| | - Lin Xue
- Department of Neurology, The First Hospital of Jilin University, Jinlin, China
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Elfil M, Ghozy S, Elmashad A, Ghaith HS, Aladawi M, Dicpinigaitis AJ, Mansour OY, Khandelwal P, Asif K, Nour M, Toth G, Al-Mufti F. Effect of intra-arterial thrombolysis following successful endovascular thrombectomy on functional outcomes in patients with large vessel occlusion acute ischemic stroke: A post-CHOICE meta-analysis. J Stroke Cerebrovasc Dis 2023; 32:107194. [PMID: 37216750 DOI: 10.1016/j.jstrokecerebrovasdis.2023.107194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/16/2023] [Accepted: 05/17/2023] [Indexed: 05/24/2023] Open
Abstract
INTRODUCTION Endovascular thrombectomy (EVT) is the standard treatment of acute ischemic stroke (AIS) due to large vessel occlusion (LVO). Although > 70% of patients in the trials assessing EVT for AIS-LVO had successful recanalization, only a third ultimately achieved favorable outcomes. A "no-reflow" phenomenon due to distal microcirculation disruption might contribute to such suboptimal outcomes. Combining intra-arterial (IA) tissue plasminogen activator (tPA) and EVT to reduce the distal microthrombi burden was investigated in a few studies. We present a pooled-data meta-analysis of the existing evidence of this combinatorial treatment. METHODS We followed the Preferred Reporting Items for Systematic Review and Meta-analyses (PRISMA) recommendations. We aimed to include all original studies investigating EVT plus IA tPA in AIS-LVO patients. Using R software, we calculated pooled odds ratios (ORs) with corresponding 95% confidence intervals (CI). A fixed-effects model was adopted to evaluate pooled data. RESULTS Five studies satisfied the inclusion criteria. Successful recanalization was comparable between the IA tPA and control groups at 82.9% and 82.32% respectively. The 90-day functional independence was similar between both groups (OR= 1.25; 95% CI= 0.92-1.70; P= 0.154). Symptomatic intracranial hemorrhage (sICH) was also comparable between both groups (OR= 0.66; 95% CI= 0.34-1.26; P= 0.304). CONCLUSION Our current meta-analysis does not show significant differences between EVT alone and EVT plus IA tPA in terms of functional independence or sICH. However, with the limited number of studies and included patients, more randomized controlled trials (RCTs) are needed to further investigate the benefits and safety of combined EVT and IA tPA.
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Affiliation(s)
- Mohamed Elfil
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Sherief Ghozy
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | - Ahmed Elmashad
- Department of Neurology, University of Connecticut, Farmington, CT, USA
| | | | - Mohammad Aladawi
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | | | - Ossama Yassin Mansour
- Department of Neurology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Priyank Khandelwal
- Department of Neurosurgery, Rutgers New Jersey Medical School, Newark, NJ, USA
| | - Kaiz Asif
- Ascension Health and University of Illinois-Chicago, Chicago, IL, USA
| | - May Nour
- Department of Neurology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Gabor Toth
- Cerebrovascular Center, Neurological Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Fawaz Al-Mufti
- Department of Neurology and Neurosurgery, New York Medical College at Westchester Medical Center, Valhalla, NY, USA.
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Zhang D, Zhang J, Zhang J, Ji X, Qi Q, Xu J, Pan Y, Liu X, Sun F, Zeng R, Dong L. Identification of a novel role for TL1A/DR3 deficiency in acute respiratory distress syndrome that exacerbates alveolar epithelial disruption. Respir Res 2023; 24:182. [PMID: 37434162 DOI: 10.1186/s12931-023-02488-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 07/01/2023] [Indexed: 07/13/2023] Open
Abstract
Alveolar epithelial barrier is a potential therapeutic target for acute respiratory distress syndrome (ARDS). However, an effective intervention against alveolar epithelial barrier has not been developed. Here, based on single-cell RNA and mRNA sequencing results, death receptor 3 (DR3) and its only known ligand tumor necrosis factor ligand-associated molecule 1A (TL1A) were significantly reduced in epithelium from an ARDS mice and cell models. The apparent reduction in the TL1A/DR3 axis in lungs from septic-ARDS patients was correlated with the severity of the disease. The examination of knockout (KO) and alveolar epithelium conditional KO (CKO) mice showed that TL1A deficiency exacerbated alveolar inflammation and permeability in lipopolysaccharide (LPS)-induced ARDS. Mechanistically, TL1A deficiency decreased glycocalyx syndecan-1 and tight junction-associated zonula occludens 3 by increasing cathepsin E level for strengthening cell-to-cell permeability. Additionally, DR3 deletion aggravated barrier dysfunction and pulmonary edema in LPS-induced ARDS through the above mechanisms based on the analyses of DR3 CKO mice and DR3 overexpression cells. Therefore, the TL1A/DR3 axis has a potential value as a key therapeutic signaling for the protection of alveolar epithelial barrier.
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Affiliation(s)
- Dong Zhang
- Department of Respiratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250021, Shandong, China
| | - Jianning Zhang
- Department of Respiratory and Intensive Care Unit, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Institute of Respiratory Diseases, Jinan, China
| | - Jintao Zhang
- Department of Respiratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250021, Shandong, China
| | - Xiang Ji
- Department of Respiratory and Intensive Care Unit, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Institute of Respiratory Diseases, Jinan, China
| | - Qian Qi
- Department of Respiratory and Intensive Care Unit, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Institute of Respiratory Diseases, Jinan, China
| | - Jiawei Xu
- Department of Respiratory and Intensive Care Unit, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Institute of Respiratory Diseases, Jinan, China
| | - Yun Pan
- Department of Respiratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250021, Shandong, China
| | - Xiaofei Liu
- Department of Respiratory and Intensive Care Unit, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Institute of Respiratory Diseases, Jinan, China
| | - Fang Sun
- Department of Respiratory and Intensive Care Unit, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Institute of Respiratory Diseases, Jinan, China
| | - Rong Zeng
- Department of Respiratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250021, Shandong, China
| | - Liang Dong
- Department of Respiratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250021, Shandong, China.
- Department of Respiratory and Intensive Care Unit, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Institute of Respiratory Diseases, Jinan, China.
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Ringleb P, Bauer G, Purrucker J. [Intravenous thrombolysis of ischemic stroke-Current status]. DER NERVENARZT 2023:10.1007/s00115-023-01500-9. [PMID: 37249597 DOI: 10.1007/s00115-023-01500-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Accepted: 04/27/2023] [Indexed: 05/31/2023]
Abstract
Intravenous thrombolysis (IVT) treatment with alteplase (rtPA) is an essential part of the routine treatment of patients with ischemic stroke since its introduction in the late 1990s. Rapid treatment is of essential importance. For patients with an unclear time window, various mismatch concepts have been established to identify salvageable brain tissue prior to IVT. Numerous official contraindications for rtPA are not evidence-based; for example, current data from observational studies show that systemic thrombolytic treatment is possible even in patients receiving direct oral anticoagulant (DOAC) treatment. Tenecteplase (TNK) is an alternative thrombolytic agent with some pharmacologic advantages. The most recent guidelines indicate that TNK is particularly advantageous over rtPA in patients treated in combination with endovascular stroke therapy (EST). The combination of IVT and EST should primarily be performed in the 4.5‑h time window in patients without contraindications; in the later time window EST alone is conceivable if it can be performed without delay.
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Affiliation(s)
- Peter Ringleb
- Neurologische Klinik, Universitätsklinikum Heidelberg, Im Neuenheimer Feld 400, 69120, Heidelberg, Deutschland.
| | - Gregor Bauer
- Neurologische Klinik, Universitätsklinikum Heidelberg, Im Neuenheimer Feld 400, 69120, Heidelberg, Deutschland
| | - Jan Purrucker
- Neurologische Klinik, Universitätsklinikum Heidelberg, Im Neuenheimer Feld 400, 69120, Heidelberg, Deutschland
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Faizy TD, Broocks G, Heit JJ, Kniep H, Flottmann F, Meyer L, Sporns P, Hanning U, Kaesmacher J, Deb-Chatterji M, Vollmuth P, Lansberg MG, Albers GW, Fischer U, Wintermark M, Thomalla G, Fiehler J, Winkelmeier L. Association Between Intravenous Thrombolysis and Clinical Outcomes Among Patients With Ischemic Stroke and Unsuccessful Mechanical Reperfusion. JAMA Netw Open 2023; 6:e2310213. [PMID: 37126350 PMCID: PMC10152307 DOI: 10.1001/jamanetworkopen.2023.10213] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/02/2023] Open
Abstract
Importance Clinical evidence of the potential treatment benefit of intravenous thrombolysis preceding unsuccessful mechanical thrombectomy (MT) is scarce. Objective To determine whether intravenous thrombolysis (IVT) prior to unsuccessful MT improves functional outcomes in patients with acute ischemic stroke. Design, Setting, and Participants Patients were enrolled in this retrospective cohort study from the prospective, observational, multicenter German Stroke Registry-Endovascular Treatment between May 1, 2015, and December 31, 2021. This study compared IVT plus MT vs MT alone in patients with acute ischemic stroke due to anterior circulation large-vessel occlusion in whom mechanical reperfusion was unsuccessful. Unsuccessful mechanical reperfusion was defined as failed (final modified Thrombolysis in Cerebral Infarction grade of 0 or 1) or partial (grade 2a). Patients meeting the inclusion criteria were matched by treatment group using 1:1 propensity score matching. Interventions Mechanical thrombectomy with or without IVT. Main Outcomes and Measures Primary outcome was functional independence at 90 days, defined as a modified Rankin Scale score of 0 to 2. Safety outcomes were the occurrence of symptomatic intracranial hemorrhage and death. Results After matching, 746 patients were compared by treatment arms (median age, 78 [IQR, 68-84] years; 438 women [58.7%]). The proportion of patients who were functionally independent at 90 days was 68 of 373 (18.2%) in the IVT plus MT and 42 of 373 (11.3%) in the MT alone group (adjusted odds ratio [AOR], 2.63 [95% CI, 1.41-5.11]; P = .003). There was a shift toward better functional outcomes on the modified Rankin Scale favoring IVT plus MT (adjusted common OR, 1.98 [95% CI, 1.35-2.92]; P < .001). The treatment benefit of IVT was greater in patients with partial reperfusion compared with failed reperfusion. There was no difference in symptomatic intracranial hemorrhages between treatment groups (AOR, 0.71 [95% CI, 0.29-1.81]; P = .45), while the death rate was lower after IVT plus MT (AOR, 0.54 [95% CI, 0.34-0.86]; P = .01). Conclusions and Relevance These findings suggest that prior IVT was safe and improved functional outcomes at 90 days. Partial reperfusion was associated with a greater treatment benefit of IVT, indicating a positive interaction between IVT and MT. These results support current guidelines that all eligible patients with stroke should receive IVT before MT and add a new perspective to the debate on noninferiority of combined stroke treatment.
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Affiliation(s)
- Tobias D Faizy
- Department of Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Gabriel Broocks
- Department of Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jeremy J Heit
- Department of Radiology, Stanford University School of Medicine, Stanford, California
| | - Helge Kniep
- Department of Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Fabian Flottmann
- Department of Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Lukas Meyer
- Department of Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Peter Sporns
- Department of Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Neuroradiology, University Hospital Basel, Basel, Switzerland
| | - Uta Hanning
- Department of Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | | | - Milani Deb-Chatterji
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Philipp Vollmuth
- Department of Neuroradiology, University Medical Center Heidelberg, Heidelberg, Germany
| | - Maarten G Lansberg
- Department of Neurology and Neurological Science, Stanford University School of Medicine, Stanford, California
| | - Gregory W Albers
- Department of Neurology and Neurological Science, Stanford University School of Medicine, Stanford, California
| | - Urs Fischer
- Department of Neurology, University Medical Center Basel, Basel, Switzerland
| | - Max Wintermark
- Department of Neuroradiology, MD Anderson Cancer Center, Houston, Texas
| | - Götz Thomalla
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jens Fiehler
- Department of Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Laurens Winkelmeier
- Department of Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Horvath LC, Bergmann F, Hosmann A, Greisenegger S, Kammerer K, Jilma B, Siller-Matula JM, Zeitlinger M, Gelbenegger G, Jorda A. Endovascular thrombectomy with or without intravenous thrombolysis in large-vessel ischemic stroke: A non-inferiority meta-analysis of 6 randomised controlled trials. Vascul Pharmacol 2023; 150:107177. [PMID: 37116733 DOI: 10.1016/j.vph.2023.107177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 04/23/2023] [Accepted: 04/25/2023] [Indexed: 04/30/2023]
Abstract
BACKGROUND It is unclear whether thrombectomy alone is non-inferior to thrombectomy with intravenous thrombolysis in patients with acute ischemic stroke due to large-vessel occlusion. PURPOSE To perform a comprehensive, trial-level data, non-inferiority meta-analysis of randomised controlled trials comparing endovascular thrombectomy with and without intravenous thrombolysis in patients with ischemic stroke due to large-vessel occlusion of anterior circulation. METHODS The prespecified primary efficacy outcome was functional independence, defined as a modified Rankin scale (mRS)score of 0 to 2 at 90 days. The two prespecified non-inferiority margins were risk differences of -10% and - 5%. The study was registered in PROSPERO (CRD42022361110) and conducted according to PRISMA guidelines. RESULTS Six trials were included in this analysis (DIRECT-MT, DEVT, SKIP, MR CLEAN-NO IV, DIRECT-SAFE and SWIFT DIRECT) comprising a total of 2334 patients. Functional independence at 90 days was achieved by 570 (49·0%) of 1164 patients in the thrombectomy alone group and 595 (50·9%) of 1170 patients in the thrombectomy with thrombolysis group (pooled risk difference - 0·02, [95% CI -0·06-0·02]). Combined thrombectomy and thrombolysis were associated with significantly higher rates of successful reperfusion (pooled risk ratio 0·96 [95% CI, 0·93-0·99], p = 0·006) but at the expense of a significantly increased risk of overall - but not symptomatic - intracranial haemorrhage (pooled risk ratio 0·87 [95% CI, 0·77-0·98], p = 0·02). CONCLUSIONS Compared with a combined treatment approach, thrombectomy alone was non-inferior at -10% non-inferiority margin, but not at a - 5% inferiority margin for functional independence. Current evidence cannot exclude clinically important differences between the two treatment approaches.
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Affiliation(s)
| | - Felix Bergmann
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria; Department of Plastic, Reconstructive and Aesthetic Surgery, Medical University of Vienna, Vienna, Austria
| | - Arthur Hosmann
- Department of Neurosurgery, Medical University of Vienna, Vienna, Austria
| | | | - Kerstin Kammerer
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Jolanta M Siller-Matula
- Department of Medicine II, Division of Cardiology, Medical University of Vienna, Vienna, Austria; Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology (CEPT), Medical University of Warsaw, Warsaw, Poland
| | - Markus Zeitlinger
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Georg Gelbenegger
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Anselm Jorda
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria.
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TICI-RANKIN mismatch: Poor clinical outcome despite complete endovascular reperfusion in the ETIS Registry. Rev Neurol (Paris) 2023; 179:230-237. [PMID: 36804012 DOI: 10.1016/j.neurol.2022.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 09/15/2022] [Accepted: 10/10/2022] [Indexed: 02/17/2023]
Abstract
INTRODUCTION Endovascular treatment (EVT) is a well-established technic for acute ischemic stroke, but despite a high recanalization rate of near 80%, at 3 months roughly 50% of patients have a poor functional outcome with a modified Rankin score (mRS) ≥3. The aim of this study was to determine predictive factors of poor functional outcomes in patients with complete recanalization after EVT, defined as modified thrombolysis in cerebral infarction (mTICI) 3. PATIENTS AND METHODS This retrospective analysis based on the prospective multicenter ETIS registry (endovascular treatment in ischemic stroke) in France included 795 patients from January 2015 and November 2019 with acute ischemic stroke due to anterior circulation occlusion and prestroke mRS 0-1, treated with EVT and who achieved complete recanalization. Univariate and multivariate logistic regression models were used to identify predictive factors of poor functional outcome. RESULTS 365 patients (46%) showed a poor functional outcome (mRS>2). In backward-stepwise logistic regression analysis, poor functional outcome was independently associated with older age (OR per 10-year increase, 1.51; 95%CI, 1.30 to 1.75), higher admission NIHSS (OR per 1 point increase, 1.28; 95%CI, 1.21 to 1.34), absence of prior intravenous thrombolysis (OR, 0.59; 95%CI, 0.39 to 0.90), and an unfavorable 24-hour NIHSS change (24h-baseline) (OR, 0.82; 95%CI, 0.79 to 0.87). We calculated that patients whose 24h NIHSS decreased by less than 5 points are more at risk of a poor outcome, with a sensitivity and a specificity of 65.0%. CONCLUSION Despite complete reperfusion after EVT, half of patients had a poor clinical outcome. These patients, who were mainly older with a high initial NIHSS and an unfavorable post-EVT 24h NIHSS change, could represent a target population for early neurorepair and neurorestorative strategies.
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Cheng Q, Wang M, Jin R, Li G. Blocking of PI3-kinase beta protects against cerebral ischemia/reperfusion injury by reducing platelet activation and downstream microvascular thrombosis in rats. Sci Rep 2023; 13:2030. [PMID: 36739310 PMCID: PMC9899241 DOI: 10.1038/s41598-023-29235-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/01/2023] [Indexed: 02/06/2023] Open
Abstract
Phosphoinositide 3-kinase beta (PI3Kβ) plays an important role in platelet activation and thrombosis, but its role in stroke pathology remains unknown. In this study, we investigated whether inhibition of PI3Kβ protects against cerebral ischemia/reperfusion (I/R) injury by preventing circulating platelet activation and downstream microvascular thrombosis. We used a rat intraluminal filament model of transient middle cerebral artery occlusion (tMCAO) because the rapid restoration of cerebral blood flow to the ischemic area in both tMCAO and endovascular thrombectomy provides clinical relevance for this model. The results showed that TGX221, a selective PI3Kβ inhibitor, treatment immediately before the onset of reperfusion dose-dependently reduced infarct volume and improved neurological function. The protective effects were associated with blocking platelet activation and thrombotic response, thereby reducing downstream microvascular thrombosis, and maintaining reperfusion efficiency. These results suggest that PI3Kβ might be a promising target for treating downstream microvascular thrombosis induced by cerebral I/R injury and offer a novel adjunctive treatment to improve reperfusion therapy for acute ischemic stroke.
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Affiliation(s)
- Qiong Cheng
- Department of Neurosurgery, Penn State Hershey Medical Center, Hershey, PA, 17033, USA
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, Nantong, 226000, China
| | - Min Wang
- Department of Neurosurgery, Penn State Hershey Medical Center, Hershey, PA, 17033, USA
| | - Rong Jin
- Department of Neurosurgery, Penn State Hershey Medical Center, Hershey, PA, 17033, USA.
| | - Guohong Li
- Department of Neurosurgery, Penn State Hershey Medical Center, Hershey, PA, 17033, USA.
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Bala F, Kappelhof M, Ospel JM, Cimflova P, Qiu W, Singh N, Zhu K, Kim BJ, Wadhwa A, Almekhlafi MA, Menon BK, Arrarte Terreros N, Marquering H, Majoie C, Hill MD, Goyal M. Distal Embolization in Relation to Radiological Thrombus Characteristics, Treatment Details, and Functional Outcome. Stroke 2023; 54:448-456. [PMID: 36689583 DOI: 10.1161/strokeaha.122.040542] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 11/23/2022] [Indexed: 01/24/2023]
Abstract
BACKGROUND Distal embolization (DE) is a common complication of endovascular treatment (EVT). We investigated the association of radiological thrombus characteristics and treatment details with DE. METHODS Patients with thin-slice (≤2.5 mm) baseline noncontrast computed tomography and computed tomography angiography from the ESCAPE-NA1 trial (Efficacy and Safety of Nerinetide for the Treatment of Acute Ischemic Stroke) were included. Thrombus annotation was performed manually on coregistered scans by experienced readers. We assessed thrombus location, distance from internal carotid artery terminus, length, perviousness, absolute attenuation, and hyperdense artery sign. In addition, we evaluated balloon guide catheter use during EVT, first-line EVT approach, the number of thrombectomy passes, and prior intravenous thrombolysis administration. DE was defined as the occurrence of emboli distal to the target artery or in new territories during EVT. The association between thrombus characteristics, treatment details, and DE was evaluated using descriptive statistics and multivariable mixed-effects logistic regression, resulting in adjusted odds ratios (aOR) with 95% CI. Interaction between IVT and radiological thrombus characteristics was assessed by adding interaction terms in separate models. RESULTS In total, 496 out of 1105 (44.9%) ESCAPE-NA1 patients were included. DE was detected in 251 out of 496 patients (50.6%). Patients with DE had longer thrombi (median, 28.5 [interquartile range, 20.8-42.3] mm versus 24.4 [interquartile range, 17.1-32.4] mm; P<0.01). There were no statistically significant differences in the other thrombus characteristics. Factors associated with DE were thrombus length (aOR, 1.02 [95% CI, 1.01-1.04]), balloon guide catheter use (aOR, 0.49 [95% CI, 0.29-0.85]), and number of passes (aOR, 1.24 [95% CI, 1.04-1.47]). In patients with hyperdense artery sign, IVT was associated with reduced odds of DE (aOR, 0.55 [95% CI, 0.31-0.97]), P for interaction=0.04. CONCLUSIONS DE was associated with longer thrombi, no balloon guide catheter use, and more EVT passes. IVT was associated with a reduced risk of DE in patients with hyperdense artery sign. These findings may support treatment decisions on IVT and EVT approaches.
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Affiliation(s)
- Fouzi Bala
- Department of Clinical Neurosciences and Diagnostic Imaging (F.B., J.M.O., P.C., W.Q., N.S., K.Z., A.W., M.A.A., B.K.M., M.D.H., M.G.), University of Calgary, Canada
- Diagnostic and Interventional Neuroradiology Department, University Hospital of Tours, France (F.B.)
| | - Manon Kappelhof
- Department of Radiology and Nuclear Medicine (M.K., N.A.T., H.M., C.M.), Amsterdam UMC location University of Amsterdam, the Netherlands
| | - Johanna M Ospel
- Department of Clinical Neurosciences and Diagnostic Imaging (F.B., J.M.O., P.C., W.Q., N.S., K.Z., A.W., M.A.A., B.K.M., M.D.H., M.G.), University of Calgary, Canada
- Department of Radiology, University Hospital of Basel, Switzerland (J.M.O.)
| | - Petra Cimflova
- Department of Clinical Neurosciences and Diagnostic Imaging (F.B., J.M.O., P.C., W.Q., N.S., K.Z., A.W., M.A.A., B.K.M., M.D.H., M.G.), University of Calgary, Canada
- Department of Radiology (P.C., M.A.A., B.K.M., M.D.H.), University of Calgary, Canada
- Department of Medical Imaging, St Anne's University Hospital Brno and Faculty of Medicine, Masaryk University, Brno, Czech Republic (P.C.)
| | - Wu Qiu
- Department of Clinical Neurosciences and Diagnostic Imaging (F.B., J.M.O., P.C., W.Q., N.S., K.Z., A.W., M.A.A., B.K.M., M.D.H., M.G.), University of Calgary, Canada
- School of Life Science and Technology, Huazhong University of Science and Technology (W.Q.)
| | - Nishita Singh
- Department of Clinical Neurosciences and Diagnostic Imaging (F.B., J.M.O., P.C., W.Q., N.S., K.Z., A.W., M.A.A., B.K.M., M.D.H., M.G.), University of Calgary, Canada
| | - Kairan Zhu
- Department of Clinical Neurosciences and Diagnostic Imaging (F.B., J.M.O., P.C., W.Q., N.S., K.Z., A.W., M.A.A., B.K.M., M.D.H., M.G.), University of Calgary, Canada
| | - Beom Joon Kim
- Department of Neurology and Cerebrovascular Center, Seoul National University Bundang Hospital, Seongnam-si, Gyeonggi-do, Republic of Korea (B.J.K.)
| | - Ankur Wadhwa
- Department of Clinical Neurosciences and Diagnostic Imaging (F.B., J.M.O., P.C., W.Q., N.S., K.Z., A.W., M.A.A., B.K.M., M.D.H., M.G.), University of Calgary, Canada
| | - Mohammed A Almekhlafi
- Department of Clinical Neurosciences and Diagnostic Imaging (F.B., J.M.O., P.C., W.Q., N.S., K.Z., A.W., M.A.A., B.K.M., M.D.H., M.G.), University of Calgary, Canada
- Department of Radiology (P.C., M.A.A., B.K.M., M.D.H.), University of Calgary, Canada
| | - Bijoy K Menon
- Department of Clinical Neurosciences and Diagnostic Imaging (F.B., J.M.O., P.C., W.Q., N.S., K.Z., A.W., M.A.A., B.K.M., M.D.H., M.G.), University of Calgary, Canada
- Department of Radiology (P.C., M.A.A., B.K.M., M.D.H.), University of Calgary, Canada
| | - Nerea Arrarte Terreros
- Department of Radiology and Nuclear Medicine (M.K., N.A.T., H.M., C.M.), Amsterdam UMC location University of Amsterdam, the Netherlands
- Department of Biomedical Engineering and Physics (N.A.T., H.M.), Amsterdam UMC location University of Amsterdam, the Netherlands
| | - Henk Marquering
- Department of Radiology and Nuclear Medicine (M.K., N.A.T., H.M., C.M.), Amsterdam UMC location University of Amsterdam, the Netherlands
- Department of Biomedical Engineering and Physics (N.A.T., H.M.), Amsterdam UMC location University of Amsterdam, the Netherlands
| | - Charles Majoie
- Department of Radiology and Nuclear Medicine (M.K., N.A.T., H.M., C.M.), Amsterdam UMC location University of Amsterdam, the Netherlands
| | - Michael D Hill
- Department of Clinical Neurosciences and Diagnostic Imaging (F.B., J.M.O., P.C., W.Q., N.S., K.Z., A.W., M.A.A., B.K.M., M.D.H., M.G.), University of Calgary, Canada
- Department of Radiology (P.C., M.A.A., B.K.M., M.D.H.), University of Calgary, Canada
| | - Mayank Goyal
- Department of Clinical Neurosciences and Diagnostic Imaging (F.B., J.M.O., P.C., W.Q., N.S., K.Z., A.W., M.A.A., B.K.M., M.D.H., M.G.), University of Calgary, Canada
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Kolahchi Z, Rahimian N, Momtazmanesh S, Hamidianjahromi A, Shahjouei S, Mowla A. Direct Mechanical Thrombectomy Versus Prior Bridging Intravenous Thrombolysis in Acute Ischemic Stroke: A Systematic Review and Meta-Analysis. LIFE (BASEL, SWITZERLAND) 2023; 13:life13010185. [PMID: 36676135 PMCID: PMC9863165 DOI: 10.3390/life13010185] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/15/2022] [Accepted: 01/03/2023] [Indexed: 01/11/2023]
Abstract
BACKGROUND The current guideline recommends using an intravenous tissue-type plasminogen activator (IV tPA) prior to mechanical thrombectomy (MT) in eligible acute ischemic stroke (AIS) with emergent large vessel occlusion (ELVO). Some recent studies found no significant differences in the long-term functional outcomes between bridging therapy (BT, i.e., IV tPA prior to MT) and direct MT (dMT). METHODS We conducted a systematic review and meta-analysis to compare the safety and functional outcomes between BT and dMT in AIS patients with ELVO who were eligible for IV tPA administration. Based on the ELVO location, patients were categorized as the anterior group (occlusion of the anterior circulation), or the combined group (occlusion of the anterior and/or posterior circulation). A subgroup analysis was performed based on the study type, i.e., RCT and non-RCT. RESULTS Thirteen studies (3985 patients) matched the eligibility criteria. Comparing the BT and dMT groups, no significant differences in terms of mortality and good functional outcome were observed at 90 days. Symptomatic intracranial hemorrhagic (sICH) events were more frequent in BT patients in the combined group (OR = 0.73, p = 0.02); this result remained significant only in the non-RCT subgroup (OR = 0.67, p = 0.03). The RCT subgroup had a significantly higher rate of successful revascularization in BT patients (OR = 0.73, p = 0.02). CONCLUSIONS Our meta-analysis uncovered no significant differences in functional outcome and mortality rate at 90 days between dMT and BT in patients with AIS who had ELVO. Although BT performed better in terms of successful recanalization rate, there is a risk of increased sICH rate in this group.
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Affiliation(s)
- Zahra Kolahchi
- School of Medicine, Tehran University of Medical Sciences, Tehran 1417613151, Iran
| | - Nasrin Rahimian
- Department of Neurology, Creighton University Medical Center, Omaha, NE 68124, USA
| | - Sara Momtazmanesh
- School of Medicine, Tehran University of Medical Sciences, Tehran 1417613151, Iran
| | - Anahid Hamidianjahromi
- Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Shima Shahjouei
- Department of Neurology, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA
| | - Ashkan Mowla
- Division of Stroke and Endovascular Neurosurgery, Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
- Correspondence: ; Tel.: +323-409-7422; Fax: +323-226-7833
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Ji X, Song B, Zhu H, Jiang Z, Hua F, Wang S, Zhou J, Li L, Dai C, Zhang M, Wei D, Zhang L, Zhang X, Zhang Q, Chen P. A study on endovascular treatment alone and bridging treatment for acute ischemic stroke. Eur J Med Res 2023; 28:12. [PMID: 36611184 PMCID: PMC9824995 DOI: 10.1186/s40001-022-00966-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 12/20/2022] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVES To investigate whether intravenous thrombolysis (IVT) with alteplase (a recombinant tissue plasminogen activator, rt-PA) before endovascular treatment (EVT) is beneficial for acute ischemic stroke (AIS) patients in different periods. METHODS This study enrolled a total of 140 patients hospitalized between 2019 and 2022 with AIS from large vessel occlusion (LVO) in the anterior circulation. Those patients were divided into the EVT alone group and IVT + EVT group, in which EVT was preceded by intravenous rt-PA. According to the time from onset to femoral artery puncture, the above two groups were divided into the following subgroups: < 4.5 h, between 4.5 and 6 h, between 6 and 8 h, and between 8 and 10 h. There were 78 patients in the EVT alone group and 62 patients in the IVT + EVT group. RESULTS There was no statistically significant difference in functional independence, recanalization rate, favorable outcome rate, or mortality between the EVT and IVT + EVT groups (P > 0.05). After adjusting for confounding factors, a lower incidence of intracerebral hemorrhage was observed in the EVT group (P < 0.05). A comparison of time-dependent efficacy between the two groups showed that within 6-8 h, there were statistically significant differences between admission and postoperation in the National Institutes of Health Stroke Scale scores at 24 h (P = 0.01) or 7 days (P = 0.02). CONCLUSIONS Although there was no difference in clinical efficacy and safety between the abovementioned two groups, treatment with IVT + EVT could increase the risk of bleeding compared to EVT. Moreover, in the 6-8 h subgroup, the efficacy of EVT alone was better than that of IVT + EVT.
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Affiliation(s)
- Xiyang Ji
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Bo Song
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Hao Zhu
- Department of Neurology, First Hospital of Xianyang, No. 10, Biyuan Road, Xianyang, 712000 China
| | - Zhao Jiang
- grid.417295.c0000 0004 1799 374XDepartment of Neurology, Xijing Hospital, Air Force Military Medical University, No.169, Changle West Road, Xi’an, 710032 China
| | - Feng Hua
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Sa Wang
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Jianbo Zhou
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Lin Li
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Changfei Dai
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Mijuan Zhang
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Dong Wei
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Lele Zhang
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Xiaojie Zhang
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Qun Zhang
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
| | - Ping Chen
- grid.440747.40000 0001 0473 0092Department of Neurology, Xianyang Hospital of Yan’an University, No. 38 Wenlin Road, Xianyang, 712000 China
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Wang X, Zhang H, Wang Q, Li G, Shen H, Xiao Y, Xu L, Long Y, Chen C, Huang Z, Zhang Y. Effect of intravenous thrombolysis on core growth rate in patients with acute cerebral infarction. Front Neurol 2023; 14:1096605. [PMID: 36908588 PMCID: PMC9996056 DOI: 10.3389/fneur.2023.1096605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 01/30/2023] [Indexed: 02/25/2023] Open
Abstract
Objective This study aimed to investigate the effects of recombinant tissue plasminogen activator intravenous thrombolysis (IVT) on the core growth rate of acute ischemic stroke. Methods Stroke patients with large vessel occlusion and non-recanalization from IVT treatment were retrospectively included in this study and divided into two groups: IVT and non-IVT. The core growth rate was estimated by the acute core volume on perfusion CT divided by the last known well time from stroke to CT perfusion. The primary endpoint was the core growth rate, the tissue outcome was 24 h-ASPECTS, and the clinical outcome was a 3-month modified Rankin score. Results A total of 94 patients were included with 53 in the IVT group and 41 in the non-IVT group. There was no significant difference in age, gender, hypertension, diabetes, atrial fibrillation, acute NIHSS, and last known well time from stroke to CT perfusion acquisition between the two groups. The core growth rate in the IVT group was lower than that in the non-IVT group, which was statistically significant after multivariate adjustment (coefficient: -5.20, 95% CI= [-9.85, -0.56], p = 0.028). There was a significant interaction between the IVT and the collateral index in predicting the core growth rate. The analysis was then stratified according to the collateral index, and the results suggested that IVT reduced the core growth rate more significantly after the worsening of collateral circulation (coefficient: 15.38, 95% CI= [-26.25, -4.40], p = 0.007). The 3-month modified Rankin score and 24 h-ASPECTS were not statistically significant between the two groups. Conclusion Intravenous thrombolysis reduces the core growth rate in patients with AIS, especially those with poor collateral status.
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Affiliation(s)
- Xueqi Wang
- Shanghai East Hospital, Tongji University, Shanghai, China
| | - Hao Zhang
- Shanghai East Hospital, Tongji University, Shanghai, China
| | - Qi Wang
- Shanghai East Hospital, Tongji University, Shanghai, China
| | - Gang Li
- Shanghai East Hospital, Tongji University, Shanghai, China
| | - Hao Shen
- Shanghai East Hospital, Tongji University, Shanghai, China
| | - Yaping Xiao
- Shanghai East Hospital, Tongji University, Shanghai, China
| | - Luran Xu
- Shanghai East Hospital, Tongji University, Shanghai, China
| | - Yuming Long
- Shanghai East Hospital, Tongji University, Shanghai, China
| | - Chen Chen
- Shanghai East Hospital, Tongji University, Shanghai, China
| | - Zhengyu Huang
- Shanghai East Hospital, Tongji University, Shanghai, China
| | - Yue Zhang
- Shanghai East Hospital, Tongji University, Shanghai, China
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Bai X, Qiu J, Wang Y. Endovascular thrombectomy with or without intravenous alteplase in acute stroke: a systematic review and meta-analysis of randomized clinical trials. J Neurol 2023; 270:223-232. [PMID: 36197568 DOI: 10.1007/s00415-022-11413-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 01/07/2023]
Abstract
BACKGROUND AND PURPOSE This study investigated clinical outcomes after direct endovascular thrombectomy (EVT) compared to bridging therapy (EVT with prior intravenous alteplase) in acute stroke within 4.5 h after onset. METHODS PubMed and Embase were searched for eligible randomized controlled trials. The primary outcome was the rates of neurological functional independence defined as modified Rankin scale score 0-2 at 90 days, whose non-inferiority margin was set at - 15%, - 10%, - 6.5%, - 5%, and - 1.3% for its risk difference (RD). RESULTS We included six studies enrolling 2334 participants. The crude cumulative rates of functional independence were 49.0% with direct EVT vs 50.9% with bridging therapy, without significant difference (Odd ratio [OR] = 0.93, 95% confidence interval [CI] 0.79-1.09) between two groups, where the pooled RD was - 2% (95% CI - 6 to 2%) whose lower 95% CI bound fell within non-inferiority margins of - 15%, - 10%, -6.5%, but not - 5% and - 1.3%. Between the two groups, no significant difference was found in excellent function rate (30.2% vs 30.6%, OR = 0.99, 95% CI 0.82-1.18) with RD of 0% (95% CI - 3 to 4%), mortality rate (16.0% vs 15.0%, OR = 1.08, 95% CI 0.86-1.35) with RD of 1% (95% CI - 2 to 4%), and symptomatic intracranial hemorrhage rate (4.3% vs 5.0%, OR = 0.86, 95% CI 0.58-1.27) with RD of 0% (95% CI - 2 to 1%). CONCLUSIONS No statistical difference was found in functional and safety outcomes between direct EVT and bridging therapy groups in acute stroke within 4.5 h after symptom onset. EVT alone was non-inferior to bridging therapy for several, but not the more stringent, non-inferiority margins.
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Affiliation(s)
- Xuan Bai
- Department of Neurology, People's Hospital of Liaoning Province, 33 Wenyi Road, Shenhe District, Shenyang, 110016, People's Republic of China
| | - Jianting Qiu
- Department of Neurology, People's Hospital of Liaoning Province, 33 Wenyi Road, Shenhe District, Shenyang, 110016, People's Republic of China
| | - Yujie Wang
- Department of Neurology, People's Hospital of Liaoning Province, 33 Wenyi Road, Shenhe District, Shenyang, 110016, People's Republic of China.
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Shah K, Fukuda KA, Desai SM, Gross BA, Jadhav AP. Utility of tPA Administration in Acute Treatment of Internal Carotid Artery Occlusions. Neurohospitalist 2023; 13:40-45. [PMID: 36531842 PMCID: PMC9755621 DOI: 10.1177/19418744221123610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024] Open
Abstract
Background Intravenous tissue plasminogen activator (IV-tPA) remains part of the guidelines for acute ischemic stroke treatment, yet internal carotid artery occlusions (ICAO) are known to be poorly responsive to IV-tPA. It is unknown whether bridging thrombolysis (BT) is beneficial in such cases. Purpose We sought to evaluate whether the use of IV-tPA improved overall clinical outcomes in patients undergoing endovascular thrombectomy (EVT) for ICA occlusions. Methods Data from 1367 consecutive stroke cases treated with EVT from 2012-2019 were prospectively collected from a single center. Univariate and multivariate logistic regression were used to assess the relationship between IV-tPA administration and clinical outcome. Results 153 patients were found to have carotid terminus and tandem ICAO who received EVT and presented within 4.5h of last seen well. 50% (n = 82) received IV tPA. There were no differences between the groups with respect to age, NIHSS, time to EVT and ASPECTS score. 53% had tandem ICA-MCA occlusions. Rate of recanalization (≥ TICI 2B) and sICH did not significantly differ between the two groups. Regression analysis demonstrated no effect of IV-tPA on modified Rankin Score (mRS) at 90 days and overall mortality. Factors significantly associated with reduced mortality included lower age, lower NIHSS, and better rate of recanalization. Conclusions There was no significant difference in clinical outcomes in those receiving BT vs. direct EVT for ICAO. For centers with optimal door-to-puncture times, bypassing IV-tPA may expedite recanalization times and potentially yield more favorable outcomes. Patients with higher NIHSS and tandem lesions may have better outcomes with BT.
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Affiliation(s)
- Kavit Shah
- Vascular and Endovascular Neurology, Aurora Neuroscience Innovation Institute, Aurora St. Luke’s Medical Center, Milwaukee, WI 53215, USA
| | - Keiko A. Fukuda
- Department of Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Shashvat M. Desai
- Department of Neurology, Barrow Neurological Institute, Phoenix, AZ, USA
| | - Bradley A. Gross
- Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Ashutosh P. Jadhav
- Departments of Neurology and Neurosurgery, Barrow Neurological Institute, Phoenix, AZ , USA
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Maïer B, Tsai AS, Einhaus JF, Desilles JP, Ho-Tin-Noé B, Gory B, Sirota M, Leigh R, Lemmens R, Albers G, Olivot JM, Mazighi M, Gaudillière B. Neuroimaging is the new "spatial omic": multi-omic approaches to neuro-inflammation and immuno-thrombosis in acute ischemic stroke. Semin Immunopathol 2023; 45:125-143. [PMID: 36786929 PMCID: PMC10026385 DOI: 10.1007/s00281-023-00984-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 01/19/2023] [Indexed: 02/15/2023]
Abstract
Ischemic stroke (IS) is the leading cause of acquired disability and the second leading cause of dementia and mortality. Current treatments for IS are primarily focused on revascularization of the occluded artery. However, only 10% of patients are eligible for revascularization and 50% of revascularized patients remain disabled at 3 months. Accumulating evidence highlight the prognostic significance of the neuro- and thrombo-inflammatory response after IS. However, several randomized trials of promising immunosuppressive or immunomodulatory drugs failed to show positive results. Insufficient understanding of inter-patient variability in the cellular, functional, and spatial organization of the inflammatory response to IS likely contributed to the failure to translate preclinical findings into successful clinical trials. The inflammatory response to IS involves complex interactions between neuronal, glial, and immune cell subsets across multiple immunological compartments, including the blood-brain barrier, the meningeal lymphatic vessels, the choroid plexus, and the skull bone marrow. Here, we review the neuro- and thrombo-inflammatory responses to IS. We discuss how clinical imaging and single-cell omic technologies have refined our understanding of the spatial organization of pathobiological processes driving clinical outcomes in patients with an IS. We also introduce recent developments in machine learning statistical methods for the integration of multi-omic data (biological and radiological) to identify patient-specific inflammatory states predictive of IS clinical outcomes.
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Affiliation(s)
- Benjamin Maïer
- Interventional Neuroradiology Department, Hôpital Fondation A. de Rothschild, Paris, France
- Neurology Department, Hôpital Saint-Joseph, Paris, France
- Université Paris-Cité and Université Sorbonne Paris Nord, INSERM, LVTS, F-75018, Paris, France
- FHU NeuroVasc, Paris, France
| | - Amy S Tsai
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford School of Medicine, 300 Pasteur Drive, Room S238, Stanford, CA, 94305-5117, USA
| | - Jakob F Einhaus
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford School of Medicine, 300 Pasteur Drive, Room S238, Stanford, CA, 94305-5117, USA
| | - Jean-Philippe Desilles
- Interventional Neuroradiology Department, Hôpital Fondation A. de Rothschild, Paris, France
- Université Paris-Cité and Université Sorbonne Paris Nord, INSERM, LVTS, F-75018, Paris, France
- FHU NeuroVasc, Paris, France
| | - Benoît Ho-Tin-Noé
- Université Paris-Cité and Université Sorbonne Paris Nord, INSERM, LVTS, F-75018, Paris, France
| | - Benjamin Gory
- CHRU-Nancy, Department of Diagnostic and Therapeutic Neuroradiology, Université de Lorraine, F-54000, Nancy, France
| | - Marina Sirota
- Bakar Computational Health Sciences Institute, University of California San Francisco, San Francisco, CA, USA
- Department of Pediatrics, University of California San Francisco, San Francisco, CA, USA
| | - Richard Leigh
- Department of Neurology, Johns Hopkins University, Baltimore, MD, USA
| | - Robin Lemmens
- Department of Neurology, University Hospitals Leuven, Leuven, Belgium
- Department of Neurosciences Division of Experimental Neurology, KU Leuven-University of Leuven, Leuven, Belgium
- VIB, Centre for Brain and Disease Research, Laboratory of Neurobiology, Leuven, Belgium
| | - Gregory Albers
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Jean-Marc Olivot
- Vascular Neurology Department, University Hospital of Toulouse, Toulouse, France
| | - Mikael Mazighi
- Interventional Neuroradiology Department, Hôpital Fondation A. de Rothschild, Paris, France.
- Université Paris-Cité and Université Sorbonne Paris Nord, INSERM, LVTS, F-75018, Paris, France.
- FHU NeuroVasc, Paris, France.
- Neurology Department, Lariboisière Hospital, Université Paris-Cité, Paris, France.
| | - Brice Gaudillière
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford School of Medicine, 300 Pasteur Drive, Room S238, Stanford, CA, 94305-5117, USA.
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Kohli GS, Schartz D, Whyte R, Akkipeddi SM, Ellens NR, Bhalla T, Mattingly TK, Bender MT. Endovascular thrombectomy with or without intravenous thrombolysis in acute basilar artery occlusion ischemic stroke: A meta-analysis. J Stroke Cerebrovasc Dis 2022; 31:106847. [DOI: 10.1016/j.jstrokecerebrovasdis.2022.106847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 10/16/2022] [Accepted: 10/18/2022] [Indexed: 11/06/2022] Open
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Elfil M, Ghaith HS, Elsayed H, Aladawi M, Elmashad A, Patel N, Medicherla C, El-Ghanem M, Amuluru K, Al-Mufti F. Intravenous thrombolysis plus mechanical thrombectomy versus mechanical thrombectomy alone for acute ischemic stroke: A systematic review and updated meta-analysis of clinical trials. Interv Neuroradiol 2022:15910199221140276. [PMID: 36437809 DOI: 10.1177/15910199221140276] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024] Open
Abstract
BACKGROUND Mechanical thrombectomy (MT) is the gold standard treatment for large vessel occlusion (LVO). A vital factor that might influence MT outcomes is the use of intravenous thrombolysis (IVT). A few clinical trials in this domain thus far have not yielded consistent outcomes. We conducted this meta-analysis to synthesize collective evidence in this regard. METHODS The Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) statement guidelines were followed, and we performed a comprehensive literature search of four databases (PubMed, Scopus, Web of Science, Cochrane CENTRAL). For outcomes constituting continuous data, the mean difference (MD) and its standard deviation (SD) were pooled. For outcomes constituting dichotomous data, the frequency of events and the total number of patients were pooled as the risk ratio (RR). RESULTS Seven clinical trials with a total of 2317 patients are included in this meta-analysis. Six trials are randomized, and one trial was nonrandomized. No significant differences were found between MT plus IVT and MT alone in successful recanalization (RR 1.04, 95% Confidence Interval (CI) [0.92 to 1.17], P = 0.53), 90-day functional independence (RR 1.03, 95% CI [0.90 to 1.19], P = 0.65), symptomatic intracranial hemorrhage (sICH) (RR 1.22, 95% CI [0.84 to 1.75], P = 0.30), or mortality (RR 0.94, 95% CI [0.76 to 1.18], P = 0.61). CONCLUSION The current evidence does not favor either MT plus IVT or MT alone for LVO except for the procedural time. More trials are needed in this regard, and certain factors should be considered when comparing the two approaches.
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Affiliation(s)
- Mohamed Elfil
- Department of Neurological Sciences, 12284University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Hazem S Ghaith
- Faculty of Medicine, 68820Al-Azhar University, Cairo, Egypt
| | - Hanaa Elsayed
- Faculty of Medicine, 68799Zagazig University, Zagazig, Egypt
| | - Mohammad Aladawi
- Department of Neurological Sciences, 12284University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Ahmed Elmashad
- Department of Neurology, University of Connecticut, Farmington, Connecticut, USA
| | - Neisha Patel
- Department of Neurology, 8138Westchester Medical Center, Valhalla, New York, USA
| | - Chaitanya Medicherla
- Department of Neurology, 8138Westchester Medical Center, Valhalla, New York, USA
| | - Mohammad El-Ghanem
- Neuroendovascular Surgery, HCA Houston Northwest/University of Houston College of Medicine, Houston, Texas, USA
| | - Krishna Amuluru
- 178242Goodman Campbell Brain and Spine, Ascension St Vincent Medical Center, Carmel, Indiana, USA
| | - Fawaz Al-Mufti
- Department of Neurosurgery, 8138Westchester Medical Center, Valhalla, New York, USA
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Fang M, Xu C, Ma L, Sun Y, Zhou X, Deng J, Liu X. No sex difference was found in the safety and efficacy of intravenous alteplase before endovascular therapy. Front Neurol 2022; 13:989166. [DOI: 10.3389/fneur.2022.989166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 09/01/2022] [Indexed: 11/11/2022] Open
Abstract
Background and purposePrior studies on sex disparities were post-hoc analyses, had limited treatment modalities, and had controversial findings. Our study aimed to examine whether sex difference modifies the effect of intravenous alteplase before endovascular therapy.MethodsWe conducted a multicenter prospective cohort study of 850 eligible patients with acute ischemic stroke who underwent endovascular therapy. A propensity score was utilized as a covariate to achieve approximate randomization of alteplase pretreatment. The baseline characteristics of women and men were compared. Logistic regression with interaction terms, adjusted for potential confounders, was used to investigate the effect of sex on the prognosis of bridging therapy.ResultsIn comparison to men, women were older [78.00 (70.00–84.00) vs. 67 (61.00–74.00), P < 0.001], had more atrial fibrillation (61.4 vs. 35.2%, P < 0.001), had a lower ASPECTS [10.00 (8.00–10.00) vs. 10 (9.00–10.00), P = 0.0047], and had a higher NIHSS score [17.00 (14.00–20.00) vs. 16 (13.00–19.00), P = 0.005]. Women tended to receive less bridging therapy (26.3 vs. 33%, P = 0.043) and more retrieval attempts [2.00 (1.00–2.00) vs. 1 (1.00–2.00), P = 0.026]. There was no sex difference in functional independence at 90 days after bridging therapy (OR 0.968, 95% CI 0.575–1.63), whereas men benefited more after EVT alone (OR 0.654, 95% CI 0.456–0.937). There were no sex-treatment interactions observed regardless of the location of the occlusion. There were no significant sex differences in all safety outcomes.ConclusionOur study could not confirm that sex modifies the treatment effect of intravenous alteplase before endovascular therapy. At the same time, we advocate for women to seek timely medical treatment.
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Laredo C, Rodríguez A, Oleaga L, Hernández‐Pérez M, Renú A, Puig J, Román LS, Planas AM, Urra X, Chamorro Á. Adjunct Thrombolysis Enhances Brain Reperfusion following Successful Thrombectomy. Ann Neurol 2022; 92:860-870. [PMID: 36054449 PMCID: PMC9804472 DOI: 10.1002/ana.26474] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 08/05/2022] [Accepted: 08/05/2022] [Indexed: 01/05/2023]
Abstract
OBJECTIVE This study was undertaken to investigate whether adjunct alteplase improves brain reperfusion following successful thrombectomy. METHODS This single-center, randomized, double-blind, placebo-controlled study included 36 patients (mean [standard deviation] = 70.8 [13.5] years old, 18 [50%] women) with large vessel occlusion undergoing thrombectomy resulting in near-normal (expanded Thrombolysis in Cerebral Infarction [eTICI] b50/67/2c, n = 23, 64%) or normal angiographic reperfusion (eTICI 3, n = 13, 36%). Seventeen patients were randomized to intra-arterial alteplase (0.225mg/kg), and 19 received placebo. At 48 hours, patients had brain perfusion/diffusion-weighted magnetic resonance imaging (MRI) and MRI-spectroscopy. The primary outcome was the difference in the proportion of patients with areas of hypoperfusion on MRI. Secondary outcomes were the infarct expansion ratio (final to initial infarction volume), and the N-acetylaspartate (NAA) peak relative to total creatine as a marker of neuronal integrity. RESULTS The prevalence of hypoperfusion was 24% with intra-arterial alteplase, and 58% with placebo (adjusted odds ratio = 0.20, 95% confidence interval [CI] = 0.04-0.91, p = 0.03). Among 14 patients with final eTICI 3 scores, hypoperfusion was found in 1 of 7 (14%) in the alteplase group and 3 of 7 (43%) in the placebo group. Abnormal brain perfusion was associated with worse functional outcome at day 90. Alteplase significantly reduced the infarct expansion ratio compared with placebo (median [interquartile range (IQR)] = 0.7 [0.5-1.2] vs 3.2 [1.8-5.7], p = 0.01) and resulted in higher NAA peaks (median [IQR] = 1.13 [0.91-1.36] vs 1.00 [0.74-1.22], p < 0.0001). INTERPRETATION There is a high prevalence of areas of hypoperfusion following thrombectomy despite successful reperfusion on angiography. Adjunct alteplase enhances brain reperfusion, which results in reduced expansion of the infarction and improved neuronal integrity. ANN NEUROL 2022;92:860-870.
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Affiliation(s)
- Carlos Laredo
- Area of NeuroscienceAugust Pi i Sunyer Biomedical Research InstituteBarcelonaSpain
| | - Alejandro Rodríguez
- Department of NeuroscienceComprehensive Stroke Center, Hospital Clinic of BarcelonaBarcelonaSpain
| | - Laura Oleaga
- Neuroradiology ServiceHospital Clinic of BarcelonaBarcelonaSpain
| | - María Hernández‐Pérez
- Neuroscience Department, Stroke UnitGermans Trias i Pujol University HospitalBadalonaSpain
| | - Arturo Renú
- Area of NeuroscienceAugust Pi i Sunyer Biomedical Research InstituteBarcelonaSpain,Department of NeuroscienceComprehensive Stroke Center, Hospital Clinic of BarcelonaBarcelonaSpain
| | - Josep Puig
- Department of RadiologyDr Josep Trueta Hospital, Girona Biomedical Research InstituteGironaSpain
| | - Luis San Román
- Neuroradiology ServiceHospital Clinic of BarcelonaBarcelonaSpain
| | - Anna M. Planas
- Area of NeuroscienceAugust Pi i Sunyer Biomedical Research InstituteBarcelonaSpain,Department of Brain Ischemia and NeurodegenerationBarcelona Institute of Biomedical Research–Spanish National Research CouncilBarcelonaSpain
| | - Xabier Urra
- Area of NeuroscienceAugust Pi i Sunyer Biomedical Research InstituteBarcelonaSpain,Department of NeuroscienceComprehensive Stroke Center, Hospital Clinic of BarcelonaBarcelonaSpain,Area of NeuroscienceUniversity of Barcelona, School of MedicineBarcelonaSpain
| | - Ángel Chamorro
- Area of NeuroscienceAugust Pi i Sunyer Biomedical Research InstituteBarcelonaSpain,Department of NeuroscienceComprehensive Stroke Center, Hospital Clinic of BarcelonaBarcelonaSpain,Area of NeuroscienceUniversity of Barcelona, School of MedicineBarcelonaSpain
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Fibrin-Targeted Nanoparticles for Finding, Visualizing and Characterizing Blood Clots in Acute Ischemic Stroke. Pharmaceutics 2022; 14:pharmaceutics14102156. [PMID: 36297588 PMCID: PMC9606925 DOI: 10.3390/pharmaceutics14102156] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/04/2022] [Accepted: 10/06/2022] [Indexed: 11/29/2022] Open
Abstract
Recanalization of the occluded artery is the gold standard treatment for acute ischemic stroke, which includes enzymatic fibrinolytic treatment with the use of recombinant tissue plasminogen activators (rtPAs) to disrupt the occluding clot, the use of mechanical thrombectomy to physically remove the clot, or a combination of both. Fibrin is one of the main components of blood clots causing ischemic stroke and is the target of rtPA upon activation of plasminogen in the clot. In addition, fibrin content also influences the efficacy of mechanical thrombectomy. Current imaging methods can successfully identify occlusions in large vessels; however, there is still a need for contrast agents capable of visualizing small thrombi in ischemic stroke patients. In this work, we describe the synthesis and the in vitro characterization of a new diagnostic nanoparticle, as well as the in vivo evaluation in an animal model of thromboembolic stroke. Gd-labeled KCREKA peptides were synthesized and attached onto the surface of PEGylated superparamagnetic nanoparticles. Magnetic resonance imaging (MRI) of blood clots was performed in vitro and in vivo in animal models of thromboembolic stroke. KCREKA-NPs were synthesized by attaching the peptide to the amino (N) termini of the PEG-NPs. The sizes of the nanoparticles, measured via DLS, were similar for both KCREKA-NPs and PEG-NPs (23 ± 4 nm, PDI = 0.11 and 25 ± 8 nm, PDI = 0.24, respectively). In the same line, r2 relaxivities were also similar for the nanoparticles (149 ± 2 mM Fe s−1 and 151 ± 5 mM Fe s−1), whereas the r1 relaxivity was higher for KCREKA-NPs (1.68 ± 0.29 mM Fe s−1 vs. 0.69 ± 0.3 mM Fe s−1). In vitro studies showed that blood clots with low coagulation times were disrupted by rtPA, whereas aged clots were almost insensitive to the presence of rtPA. MRI in vitro studies showed a sharp decrease in the T1 × T2 signals measured for aged clots incubated with KCREKA-NPs compared with fresh clots (47% [22, 80] to 26% [15, 51]). Furthermore, the control blood showed a higher value of the T1 × T2 signal (39% [20, 61]), being the blood clots with low coagulation times the samples with the lowest values measured by MRI. In vivo studies showed a significant T1 × T2 signal loss in the clot region of 24% after i.v. injection of KCREKA-NPs. The thrombus age (2.5% ± 6.1% vs. 81.3% ± 19.8%, p < 0.01) confirmed our ability to identify in vivo fresh blood clots. In this study, we developed and tested a dual MRI nanoparticle, acting as T1 and T2 contrast agents in MRI analyses. The developed KCREKA-NPs showed affinity for the fibrin content of blood clots, and the MRI signals provided by the nanoparticles showed significant differences depending on the clot age. The developed KCREKA-NPs could be used as a tool to predict the efficacy of a recanalization treatment and improve the triage of ischemic stroke patients.
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50
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Kim JY, Manna D, Etscheid M, Leergaard TB, Kanse SM. Factor VII activating protease (FSAP) inhibits the outcome of ischemic stroke in mouse models. FASEB J 2022; 36:e22564. [PMID: 36165219 DOI: 10.1096/fj.202200828r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 08/30/2022] [Accepted: 09/12/2022] [Indexed: 12/16/2022]
Abstract
The outcome of ischemic stroke can be improved by further refinements of thrombolysis and reperfusion strategies. Factor VII activating protease (FSAP) is a circulating serine protease that could be important in this context. Its levels are raised in patients as well as mice after stroke and a single nucleotide polymorphism (SNP) in the coding sequence, which results in an inactive enzyme, is linked to an increased risk of stroke. In vitro, FSAP cleaves fibrinogen to promote fibrinolysis, activates protease-activated receptors, and decreases the cellular cytotoxicity of histones. Based on these facts, we hypothesized that FSAP can be used as a treatment for ischemic stroke. A combination of tissue plasminogen activator (tPA), a thrombolytic drug, and recombinant serine protease domain of FSAP (FSAP-SPD) improved regional cerebral perfusion and neurological outcome and reduced infarct size in a mouse model of thromboembolic stroke. FSAP-SPD also improved stroke outcomes and diminished the negative consequences of co-treatment with tPA in the transient middle cerebral artery occlusion model of stroke without altering cerebral perfusion. The inactive MI-isoform of FSAP had no impact in either model. FSAP enhanced the lysis of blood clots in vitro, but in the tail transection model of hemostasis, FSAP-SPD treatment provoked a faster clotting time indicating that it also has pro-coagulant actions. Thus, apart from enhancing thrombolysis, FSAP has multiple effects on stroke progression and represents a promising novel therapeutic strategy in the treatment of ischemic stroke.
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Affiliation(s)
- Jeong Yeon Kim
- Department of Molecular Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Dipankar Manna
- Department of Molecular Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Michael Etscheid
- Division of Hematology/Transfusion Medicine, Paul Ehrlich Institut, Langen, Germany
| | - Trygve B Leergaard
- Department of Molecular Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Sandip M Kanse
- Department of Molecular Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
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