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Havlíček R, Šaňák D, Černík D, Neradová J, Leško N, Gdovinová Z, Köcher M, Cihlář F, Malik J, Fedorko J, Pedowski P, Zapletalová J. Predictors of symptomatic intracerebral hemorrhage after endovascular treatment for acute ischemic stroke due to tandem lesion in anterior circulation. J Stroke Cerebrovasc Dis 2024; 33:107852. [PMID: 38986970 DOI: 10.1016/j.jstrokecerebrovasdis.2024.107852] [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: 02/15/2024] [Revised: 07/03/2024] [Accepted: 07/08/2024] [Indexed: 07/12/2024] Open
Abstract
BACKGROUND Endovascular treatment (EVT) of tandem lesion (TL) in the anterior circulation acute ischemic stroke (IS) usually requires periprocedural antithrombotic treatment and early initiation of dual antiplatelet therapy (DAPT) after carotid stenting. However, it may contribute to an occurrence of symptomatic intracerebral hemorrhage (SICH) in some cases. We investigated factors influencing the SICH occurrence and assessed the possible predictors of SICH after EVT. METHODS IS patients with TL in the anterior circulation treated with EVT were enrolled in the multicenter retrospective ASCENT study. A good three-month clinical outcome was scored as 0-2 points in modified Rankin Scale (mRS) and recanalization using the TICI scale. SICH was assessed using the SITS-MOST criteria. Logistic regression analysis was used for the assessment of possible predictors of SICH with adjustment for potential confounders. RESULTS In total, 300 (68.7 % males, mean age 67.3 ± 10.2 years) patients with median of admission NIHSS 17 were analyzed. Recanalization (TICI 2b-3) was achieved in 290 (96.7 %) patients and 176 (58.7 %) had mRS 0-2. SICH occurred in 25 (8.3 %) patients. Patients with SICH did not differ from those without SICH in the rate of periprocedural antithrombotic treatment (64 vs. 57.5 %, p = 0.526) and in the rate of DAPT started within the first 12 h after EVT (20 vs. 42.2 %, p = 0.087). After adjustment, admission NIHSS and admission glycemia were found as the only predictors of SICH after EVT. CONCLUSION Admission NIHSS and glycemia were found as the only predictors of SICH after EVT for TL. No associations between periprocedural antithrombotic treatment, early start of DAPT after EVT and SICH occurrence were found.
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Affiliation(s)
- Roman Havlíček
- Comprehensive Stroke Center, Department of Neurology, Palacký University Medical School and University Hospital Olomouc, Czech Republic; Comprehensive Stroke Center, Department of Neurology, Central Military Hospital Prague, Czech Republic
| | - Daniel Šaňák
- Comprehensive Stroke Center, Department of Neurology, Palacký University Medical School and University Hospital Olomouc, Czech Republic.
| | - David Černík
- Comprehensive Stroke Center, Department of Neurology, Masaryk Hospital, KZ a.s., Ústí nad Labem, Czech Republic
| | - Jarmila Neradová
- Comprehensive Stroke Center, Department of Neurology, Masaryk Hospital, KZ a.s., Ústí nad Labem, Czech Republic
| | - Norbert Leško
- Department of Neurology, P.J. Šafarik University, Faculty of Medicine and University Hospital L. Pasteur Košice, Slovakia
| | - Zuzana Gdovinová
- Department of Neurology, P.J. Šafarik University, Faculty of Medicine and University Hospital L. Pasteur Košice, Slovakia
| | - Martin Köcher
- Department of Neurology, Palacký University Medical School and University Hospital Olomouc, Czech Republic
| | - Filip Cihlář
- Department of Radiology, J. E. Purkinje University, Masaryk Hospital, KZ a.s., Ústí nad Labem, Czech Republic
| | - Jozef Malik
- Department of Radiology, Central Military Hospital Prague, Czech Republic
| | - Jakub Fedorko
- Department of Radiodiagnostics and Imaging techniques, P.J. Šafarik University, Faculty of Medicine and University Hospital L. Pasteur Košice, Slovakia
| | - Piotr Pedowski
- Department of Radiodiagnostics and Imaging techniques, P.J. Šafarik University, Faculty of Medicine and University Hospital L. Pasteur Košice, Slovakia
| | - Jana Zapletalová
- Department of Biophysics and Statistics, Palacký University Medical School Olomouc, Czech Republic
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Salman M, Stayton AS, Parveen K, Parveen A, Puchowicz MA, Parvez S, Bajwa A, Ishrat T. Intranasal Delivery of Mitochondria Attenuates Brain Injury by AMPK and SIRT1/PGC-1α Pathways in a Murine Model of Photothrombotic Stroke. Mol Neurobiol 2024; 61:2822-2838. [PMID: 37946007 DOI: 10.1007/s12035-023-03739-4] [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: 01/05/2023] [Accepted: 10/18/2023] [Indexed: 11/12/2023]
Abstract
Ischemic stroke is one of the major causes of morbidity and mortality worldwide. Mitochondria play a vital role in the pathological processes of cerebral ischemic injury, but its transplantation and underlying mechanisms remain unclear. In the present study, we examined the effects of mitochondrial therapy on the modulation of AMPK and SIRT1/PGC-1α signaling pathway, oxidative stress, and NLRP3 inflammasome activation after photothrombotic ischemic stroke (pt-MCAO). The adult male mice were subjected to the pt-MCAO in which the proximal-middle cerebral artery was exposed with a 532-nm laser beam for 4 min by retro-orbital injection of a photosensitive dye (Rose Bengal: 15 mg/kg) before the laser light exposure and isolated mitochondria (100 μg protein) were administered intranasally at 30 min, 24 h, and 48 h following post-stroke. After 72 h, mice were tested for neurobehavioral outcomes and euthanized for infarct volume, brain edema, and molecular analysis. First, we found that mitochondria therapy significantly decreased brain infarct volume and brain edema, improved neurological dysfunction, attenuated ischemic stroke-induced oxidative stress, and neuroinflammation. Second, mitochondria treatment inhibited NLRP3 inflammasome activation. Finally, mitochondria therapy accelerated p-AMPKα(Thr172) and PGC-1α expression and resorted SIRT1 protein expression levels in pt-MCAO mice. In conclusion, our results demonstrate that mitochondria therapy exerts neuroprotective effects by inhibiting oxidative damage and inflammation, mainly dependent on the heightening activation of the AMPK and SIRT1/PGC-1α signaling pathway. Thus, intranasal delivery of mitochondria might be considered a new therapeutic strategy for ischemic stroke treatment.
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Affiliation(s)
- Mohd Salman
- Department of Anatomy and Neurobiology, College of Medicine, The University of Tennessee Health Science Center, 875 Monroe Avenue, Wittenborg Bldg, Room-231, Memphis, TN, 38163, USA.
- Department of Anatomy and Neurobiology, College of Medicine, The University of Tennessee Health Science Center, 875 Monroe Avenue, Wittenborg Bldg, Room-228, Memphis, TN, 38163, USA.
| | - Amanda S Stayton
- Transplant Research Institute, College of Medicine, The University of Tennessee Health Science Center, 71 S Manassas St, Room 418H, Memphis, TN, 38103, USA
| | - Kehkashan Parveen
- Department of Pediatrics, The University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Arshi Parveen
- Department of Anatomy and Neurobiology, College of Medicine, The University of Tennessee Health Science Center, 875 Monroe Avenue, Wittenborg Bldg, Room-231, Memphis, TN, 38163, USA
| | - Michelle A Puchowicz
- Department of Pediatrics, The University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Suhel Parvez
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Amandeep Bajwa
- Transplant Research Institute, College of Medicine, The University of Tennessee Health Science Center, 71 S Manassas St, Room 418H, Memphis, TN, 38103, USA.
- Department of Genetics, Genomics, and Informatics, College of Medicine, The University of Tennessee Health Science Center, Memphis, TN, USA.
- Department of Microbiology, Immunology, and Biochemistry, College of Medicine, The University of Tennessee Health Science Center, Memphis, TN, USA.
| | - Tauheed Ishrat
- Department of Anatomy and Neurobiology, College of Medicine, The University of Tennessee Health Science Center, 875 Monroe Avenue, Wittenborg Bldg, Room-231, Memphis, TN, 38163, USA.
- Department of Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, Memphis, TN, USA.
- Neuroscience Institute, The University of Tennessee Health Science Center, Memphis, TN, USA.
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Salman M, Ismael S, Ishrat T. A modified murine photothrombotic stroke model: a minimally invasive and reproducible cortical and sub-cortical infarct volume and long-term deficits. Exp Brain Res 2023; 241:2487-2497. [PMID: 37656197 DOI: 10.1007/s00221-023-06696-5] [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: 03/27/2023] [Accepted: 08/22/2023] [Indexed: 09/02/2023]
Abstract
Ischemic stroke is one of the major causes of devastating neurological disabilities and mortality worldwide. Despite extensive research for treatment approaches, there remains limited therapy in the stroke field. Therefore, more research is required for reproducibility to understand stroke pathology in pre-clinical studies. In the current modified method, mice were subjected to photothrombotic stroke (pt-MCA; proximal-middle cerebral artery was exposed with a 532 nm laser beam for 4 min) by retro-orbital injection of photosensitive dye, Rose Bengal (15 mg/kg) before the laser light exposure. Sensorimotor deficits were assessed by rotarod and catwalk test at 72 h following post-pt-MCAO, and brain samples were collected for infarct volume and hemorrhagic transformation (HT) assessments. Cognitive impairments were assessed by a novel objective recognition and Morris's water maze tests at the end of the follow-up. pt-MCAO animals significantly reduced body weight and impaired motor and cognitive functions. Furthermore, pt-MCAO animals showed apparent infarction, brain edema, and increased HT compared to the sham animals. Additionally, this method enables concurrent measurement of short-term and long-term neurological dysfunction with relatively larger cortical and sub-cortical infarct volume following pt-MCAO. With respect to the other models, this modified model offers enhanced reproducibility regarding infarct volume and cognitive/functional outcomes and avoids complications associated with critical surgeries and craniotomy. In conclusion, this modified model helps to understand stroke pathogenesis and minimize the animals' numbers which help to increase the scientific and statistical potential in pre-clinical studies.
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Affiliation(s)
- Mohd Salman
- Department of Anatomy and Neurobiology, College of Medicine, The University of Tennessee Health Science Center, 875 Monroe Avenue, Wittenborg Bldg, Room-228, Memphis, TN, 38163, USA
| | - Saifudeen Ismael
- Department of Anatomy and Neurobiology, College of Medicine, The University of Tennessee Health Science Center, 875 Monroe Avenue, Wittenborg Bldg, Room-228, Memphis, TN, 38163, USA
| | - Tauheed Ishrat
- Department of Anatomy and Neurobiology, College of Medicine, The University of Tennessee Health Science Center, 875 Monroe Avenue, Wittenborg Bldg, Room-228, Memphis, TN, 38163, USA.
- Neuroscience Institute, The University of Tennessee Health Science Center, Memphis, TN, 38163, USA.
- Department of Pharmaceutical Sciences, The University of Tennessee Health Science Center, Memphis, TN, 38163, USA.
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Dong S, Yu C, Wu Q, Xia H, Xu J, Gong K, Wang T. Predictors of Symptomatic Intracranial Hemorrhage after Endovascular Thrombectomy in Acute Ischemic Stroke: A Systematic Review and Meta-Analysis. Cerebrovasc Dis 2022; 52:363-375. [PMID: 36423584 DOI: 10.1159/000527193] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 09/16/2022] [Indexed: 09/05/2023] Open
Abstract
INTRODUCTION This meta-analysis assessed the predictors of symptomatic intracranial hemorrhage (sICH) after endovascular thrombectomy (EVT) for patients with acute ischemic stroke. METHODS PubMed, Embase, the Cochrane Central Register of Controlled Trials, and Web of Science were searched for studies published from inception to February 16, 2021. We included studies that evaluated the predictors of sICH after EVT. The random-effect model or fixed-effect model was used to pool the estimates according to the heterogeneity. RESULTS A total of 25 cohort studies, involving 15,324 patients, were included in this meta-analysis. The total incidence of sICH was 6.72 percent. Age (MD = 2.57, 95% CI: 1.53-3.61; p < 0.00001), higher initial NIHSS score (MD = 1.71, 95% CI: 1.35-2.08, p < 0.00001), higher initial systolic blood pressure (MD = 7.40, 95% CI: 5.11-9.69, p < 0.00001), diabetes mellitus (OR = 1.36, 95% CI: 1.10-1.69, p = 0.005), poor collaterals (OR = 3.26, 95% CI: 2.35-4.51; p < 0.0001), internal carotid artery occlusion (OR = 1.55, 95% CI: 1.26-1.90; p < 0.0001), longer procedure time (MD = 18.92, 95% CI: 11.49-26.35; p < 0.0001), and passes of retriever >3 (OR = 3.39, 95% CI: 2.45-4.71; p < 0.0001) were predictors of sICH, while modified thrombolysis in cerebral infarction score ≥2b (OR = 0.61, 95% CI: 0.46-0.79; p = 0.0002) was associated with a decreased risk of sICH. There were no significant differences in the female gender, initial serum glucose, initial ASPECT score, atrial fibrillation, oral anticoagulants, antiplatelet therapy, intravenous thrombolysis, general anesthesia, neutrophil-to-lymphocyte ratio, and emergent stenting. CONCLUSIONS This study identified many predictors of sICH. Some of the results lack robust evidence given the limitations of the study. Therefore, larger cohort studies are needed to confirm these predictors.
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Affiliation(s)
- Shuyang Dong
- Department of Neurology, The First People's Hospital of Huainan, The First Affiliated Hospital of Anhui University of Science and Technology, Huainan, China,
| | - Chuanqing Yu
- Department of Neurology, The First People's Hospital of Huainan, The First Affiliated Hospital of Anhui University of Science and Technology, Huainan, China
| | - Qingbin Wu
- Department of Neurology, The First People's Hospital of Huainan, The First Affiliated Hospital of Anhui University of Science and Technology, Huainan, China
| | - Henglei Xia
- Department of Neurology, The First People's Hospital of Huainan, The First Affiliated Hospital of Anhui University of Science and Technology, Huainan, China
| | - Jialong Xu
- Department of Neurology, The First People's Hospital of Huainan, The First Affiliated Hospital of Anhui University of Science and Technology, Huainan, China
| | - Kun Gong
- Department of Neurology, The First People's Hospital of Huainan, The First Affiliated Hospital of Anhui University of Science and Technology, Huainan, China
| | - Tao Wang
- Department of Neurology, The First People's Hospital of Huainan, The First Affiliated Hospital of Anhui University of Science and Technology, Huainan, China
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Glucose to Platelet Ratio: A Potential Predictor of Hemorrhagic Transformation in Patients with Acute Ischemic Stroke. Brain Sci 2022; 12:brainsci12091170. [PMID: 36138906 PMCID: PMC9496698 DOI: 10.3390/brainsci12091170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/20/2022] [Accepted: 08/29/2022] [Indexed: 11/19/2022] Open
Abstract
Glucose and platelet are two easily obtained clinical indicators; the present research aimed to demonstrate their association with hemorrhagic transformation (HT) in acute ischemic stroke (AIS) patients without thrombolytic or thrombectomy therapy. This was a single-center retrospective study. Patients who were diagnosed with HT after AIS were included in the HT group. Meanwhile, using the propensity score matching (PSM) approach, with a ratio of 1:2, matched patients without HT were included in the non-HT group. Serum G/P levels were measured on the first morning after admission (at least eight hours after the last meal). Characteristics were compared between the two groups. Multivariate logistic regression was used to determine the independent relationship between G/P and HT after AIS, with G/P being divided into quartiles. From January 2013 to March 2022, we consecutively included 643 AIS patients with HT (426/643 [66.25%] with HI and 217/643 [33.75%] with PH), and 1282 AIS patients without HT, at the First Affiliated Hospital of Wenzhou Medical University. The HT group had higher G/P levels than the non-HT group (0.04 ± 0.02 vs. 0.03 ± 0.02, p < 0.001). However, there was no difference in G/P levels between HI and PH subgroups (0.04 ± 0.02 vs. 0.04 ± 0.02, p > 0.05). Moreover, the G/P levels were divided into quartiles (Q1 ≤ 0.022; Q2 = 0.023−0.028; Q3 = 0.029−0.039; Q4 ≥ 0.040), with Q1 being settled as the reference layer. After controlling the confounders, multivariate regression analyses showed that the Q4 layer (Q4: G/P ≥ 0.040) was independently associated with elevated HT risk (odds ratio [OR] = 1.85, 95% CI = 1.31−2.63, p < 0.001). G/P levels on admission were independently associated with HT risk in AIS patients. In clinical practice, adequate attention should be paid to AIS patients with elevated G/P levels (G/P ≥ 0.040).
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