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Omura Y, Imamura H, Tani S, Adachi H, Sakaguchi M, Todo K, Yamagami H, Goto M, Ohara N, Fukumitsu R, Sunohara T, Matsumoto S, Fukui N, Fukuda T, Akiyama T, Ohta T, Sakai C, Sakai N. Treatment Results of Carotid Artery Stenting with an Open-Cell Stent: Analysis of 734 Consecutive Cases at a Single Center. World Neurosurg 2024; 187:e453-e459. [PMID: 38663734 DOI: 10.1016/j.wneu.2024.04.108] [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: 02/06/2024] [Revised: 04/16/2024] [Accepted: 04/17/2024] [Indexed: 05/27/2024]
Abstract
OBJECTIVE In carotid artery stenting (CAS) for internal carotid artery stenosis, the stent is often selected according to the plaque properties and arterial tortuosity. In our institute, an open-cell stent is used as the first-line stent regardless of the characteristics of the lesion. This study was performed to examine the outcome of CAS with an open-cell stent as the real-world results. METHODS In total, 811 CAS procedures using open-cell stents were performed for internal carotid artery stenosis from April 2002 to December 2019. Of these patients, we excluded those with hyperacute conditions for which CAS was performed within 3 days of onset, those in whom acute mechanical thrombectomy was performed simultaneously with CAS, and those with stenosis due to arterial dissection. Thus, 734 patients were retrospectively analyzed. Perioperative and long-term outcomes and risk factors for perioperative infarction were investigated. RESULTS The periprocedural stroke rate and mortality rate were 3.7% (27/734) and 0.4% (3/734), respectively. Low-echoic plaque was a significant risk factor for periprocedural stroke in both univariate (P < 0.03) and multivariate (odds ratio, 2.69; 95% confidence interval, 1.14-6.66; P = 0.02) analyses. Cerebral infarction and high grade restenosis were observed in 15 (2.0%) and 17 (2.3%) patients during a median 50-month follow-up. CONCLUSIONS CAS with open-cell stents showed good results in terms of both the postoperative stroke incidence and long-term severe restenosis rate. However, low-echoic plaque was a risk factor for perioperative stroke incidence, which should be considered when deciding on the indication for CAS with an open-cell stent.
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Affiliation(s)
- Yoshihiro Omura
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan; Department of Neurosurgery, Tokyo Women's Medical University Hospital, Shinjuku, Tokyo, Japan.
| | - Hirotoshi Imamura
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Shoichi Tani
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Hidemitsu Adachi
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Manabu Sakaguchi
- Department of Neurology, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Kenichi Todo
- Department of Neurology, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Hiroshi Yamagami
- Department of Neurology, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Masanori Goto
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Nobuyuki Ohara
- Department of Neurology, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Ryu Fukumitsu
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Tadashi Sunohara
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Shirabe Matsumoto
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Nobuyuki Fukui
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Tatsumaru Fukuda
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Tomoaki Akiyama
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Tsuyoshi Ohta
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Chiaki Sakai
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
| | - Nobuyuki Sakai
- Department of Neurosurgery, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
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Langhoff R, Schwindt A, Vajda Z, Gjoreski A, Faurie B, Kedev S, Müller-Hülsbeck S. Navigating complexity with low-crossing profile dual-layer micromesh carotid stent: implications for contemporary carotid artery stenting outcomes (ROADSAVER study insights). THE JOURNAL OF CARDIOVASCULAR SURGERY 2024; 65:205-212. [PMID: 39007554 DOI: 10.23736/s0021-9509.24.13068-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
BACKGROUND The safety and efficacy of carotid artery stenting (CAS) can be affected by certain technical and anatomical factors. However, it is not known whether the use of a dual-layer micromesh stent (DLMS) with a low-crossing profile could reduce the risks associated with complex vascular anatomies during CAS. METHODS This study involved 1965 asymptomatic or symptomatic carotid artery stenosis patients who received the Roadsaver DLMS during CAS, as part of a prospective, multicenter observational ROADSAVER study, conducted from January 2018 to February 2021. The primary outcome was the 30-day rate of major adverse events (MAE; i.e. any death or stroke) after CAS. Procedural details and outcomes were compared between patients with complex anatomical features and those without. RESULTS One or more complex anatomical characteristics were identified in 1639 (83.4%) patents. Patients with complex anatomies were older and had a higher prevalence of arterial hypertension, cardiovascular disease, and prior stroke. Between patients with or without complex anatomical features, no significant differences were found either in procedural techniques, or in 30-day MAE (age-adjusted odds ratio (95% CI) for complexities vs. no complexities: 0.76 (0.35, 1.66); p=0.4905) and any stroke (age-adjusted odds ratio (95% CI) for complexities vs. no complexities: 0.89 (0.37, 2.17); p=0.8032) incidence. Furthermore, neither the presence of specific types of anatomic complexity nor their number (per patient) markedly influenced the 30-day MAE and any stroke incidence. CONCLUSIONS In this real-world cohort of patients undergoing CAS with the Roadsaver DLMS, no significant difference in the occurrence of 30-day MAE and any stroke was observed between patients with or without high-risk anatomical features.
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Affiliation(s)
- Ralf Langhoff
- Department of Angiology, Brandenburg Medical School Theodor Fontane, Campus Clinic Brandenburg, Brandenburg an der Havel and Sankt Gertrauden Hospital, Berlin, Germany -
| | - Arne Schwindt
- Department of Vascular Surgery, St. Franziskus-Hospital, Münster, Germany
| | - Zsolt Vajda
- Neurovascular Unit, Moritz Kaposi Teaching Hospital, Kaposvár, Hungary
- Department of Radiology, Fejér County Szent György University Teaching Hospital, Székesfehérvár, Hungary
| | - Aleksander Gjoreski
- Department for Diagnostic and Interventional Radiology, Clinical Hospital "Acibadem Sistina", Skopje, Republic of North Macedonia
| | | | - Sasko Kedev
- Department of Cardiology, Faculty of Medicine, University Clinic of Cardiology, University of St. Cyril and Methodius, Skopje, Republic of North Macedonia
| | - Stefan Müller-Hülsbeck
- Department of Diagnostic and Interventional Radiology and Neuroradiology, DIAKO Hospital gGmbH, Flensburg, Germany
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Takase Y, Tanaka T, Anai S, Kyaw MP, Michiwaki Y, Itokawa H, Yamane F, Abe T, Matsuno A. Usefulness of non-slip element percutaneous transluminal angioplasty scoring balloons in treating severe calcified lesions of the carotid artery for carotid artery stenting: A case report. Surg Neurol Int 2024; 15:91. [PMID: 38628518 PMCID: PMC11021079 DOI: 10.25259/sni_923_2023] [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: 11/17/2023] [Accepted: 02/21/2024] [Indexed: 04/19/2024] Open
Abstract
Background Treatment of calcified lesions with conventional angioplasty balloons can be difficult due to insufficient lumen expansion, high dissection rates, and repeated revascularization. We report a case in which a scoring balloon was used in lesions resistant to angioplasty with a semi-compliant balloon. Case Description A 72-year-old man presented with severe stenosis and a highly calcified lesion in the right cervical internal carotid artery. Right carotid artery stenting (CAS) was planned to prevent future ischemic stroke events. Conventional semi-compliant balloon angioplasty was unsuccessful. Three inflations of a non-slip element (NSE) percutaneous transluminal angioplasty (PTA) scoring balloon (Nipro, Osaka, Japan) successfully achieved CAS without complications. Conclusion This is the first report to describe the use of this scoring balloon in de novo carotid artery disease. NSE PTA scoring balloon catheters can be a useful option for refractory, highly calcified stenosis.
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Affiliation(s)
- Yukinori Takase
- Department of Neurosurgery, Kouhoukai Takagi Hospital, Fukuoka, Japan
| | - Tatsuya Tanaka
- Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita City, Chiba, Japan
| | - Satoshi Anai
- Department of Neurosurgery, Kouhoukai Takagi Hospital, Fukuoka, Japan
| | - May Pyae Kyaw
- Department of Neurosurgery, Kouhoukai Takagi Hospital, Fukuoka, Japan
| | - Yuhei Michiwaki
- Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita City, Chiba, Japan
| | - Hiroshi Itokawa
- Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita City, Chiba, Japan
| | - Fumitaka Yamane
- Department of Neurosurgery, International University of Health and Welfare, Narita, Japan
| | - Tatsuya Abe
- Department of Neurosurgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Akira Matsuno
- Department of Neurosurgery, International University of Health and Welfare, School of Medicine, Narita City, Chiba, Japan
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Mota L, Wang SX, Cronenwett JL, Nolan BW, Malas MB, Schermerhorn ML, Liang P. Association of stroke or death with severity of carotid lesion calcification in patients undergoing carotid artery stenting. J Vasc Surg 2024; 79:305-315.e3. [PMID: 37913944 DOI: 10.1016/j.jvs.2023.10.046] [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: 08/11/2023] [Revised: 10/18/2023] [Accepted: 10/20/2023] [Indexed: 11/03/2023]
Abstract
OBJECTIVE Carotid artery stenting (CAS) for heavily calcified lesions is controversial due to concern for stent failure and increased perioperative stroke risk. However, the degree to which calcification affects outcomes is poorly understood, particularly in transcarotid artery revascularization (TCAR). With the precipitous increase in TCAR use and its expansion to standard surgical-risk patients, we aimed to determine the impact of lesion calcification on CAS outcomes to ensure its safe and appropriate use. METHODS We identified patients in the Vascular Quality Initiative who underwent first-time transfemoral CAS (tfCAS) and TCAR between 2016 and 2021. Patients were stratified into groups based on degree of lesion calcification: no calcification, 1% to 50% calcification, 51% to 99% calcification, and 100% circumferential calcification or intraluminal protrusion. Outcomes included in-hospital and 1-year composite stroke/death, as well as individual stroke, death, and myocardial infarction outcomes. Logistic regression was used to evaluate associations between degree of calcification and these outcomes. RESULTS Among 21,860 patients undergoing CAS, 28% patients had no calcification, 34% had 1% to 50% calcification, 35% had 51% to 99% calcification, and 3% had 100% circumferential calcification/protrusion. Patients with 51% to 99% and circumferential calcification/protrusion had higher odds of in-hospital stroke/death (odds ratio [OR], 1.3; 95% confidence interval [CI], 1.02-1.6; P = .034; OR, 1.9; 95% CI, 1.1-2.9; P = .004, respectively) compared with those with no calcification. Circumferential calcification was also associated with increased risk for in-hospital myocardial infarction (OR, 3.5; 95% CI, 1.5-8.0; P = .003). In tfCAS patients, only circumferential calcification/protrusion was associated with higher in-hospital stroke/death odds (OR, 2.0; 95% CI, 1.2-3.4; P = .013), whereas for TCAR patients, 51% to 99% calcification was associated with increased odds of in-hospital stroke/death (OR, 1.5; 95% CI, 1.1-2.2; P = .025). At 1 year, circumferential calcification/protrusion was associated with higher odds of ipsilateral stroke/death (12.4% vs 6.6%; hazard ratio, 1.64; P = .002). CONCLUSIONS Among patients undergoing CAS, there is an increased risk of in-hospital stroke/death for lesions with >50% calcification or circumferential/protruding plaques. Increasing severity of carotid lesion calcification is a significant risk factor for stroke/death in patients undergoing CAS, regardless of approach.
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Affiliation(s)
- Lucas Mota
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Sophie X Wang
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Jack L Cronenwett
- Section of Vascular Surgery, Dartmouth Institute, Dartmouth-Hitchcock Medical Center, Lebanon, NH
| | - Brian W Nolan
- Division of Vascular and Endovascular Surgery, Maine Medical Center, Portland, ME
| | - Mahmoud B Malas
- Department of Vascular and Endovascular Surgery, University of California San Diego, La Jolla, CA
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Patric Liang
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA.
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Banks CA, Pearce BJ. Interventions in Carotid Artery Surgery: An Overview of Current Management and Future Implications. Surg Clin North Am 2023; 103:645-671. [PMID: 37455030 DOI: 10.1016/j.suc.2023.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Atherosclerotic carotid artery disease has been well studied over the last half-century by multiple randomized controlled trials attempting to elucidate the appropriate modality of therapy for this disease process. Surgical techniques have evolved from carotid artery endarterectomy and transfemoral carotid artery stenting to the development of hybrid techniques in transcarotid artery revascularization. In this article, the authors provide a review of the available literature regarding operative and medical management of carotid artery disease.
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Affiliation(s)
- Charles Adam Banks
- Division of Vascular Surgery and Endovascular Therapy, University of Alabama at Birmingham, 1808 7th Avenue South, Boshell Diabetes Building 652, Birmingham, AL 35294, USA
| | - Benjamin J Pearce
- Division of Vascular Surgery and Endovascular Therapy, University of Alabama at Birmingham, 1808 7th Avenue South, Boshell Diabetes Building 652, Birmingham, AL 35294, USA.
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Grafmuller LE, Lehane DJ, Dohring CL, Zottola ZR, Mix DS, Newhall KA, Doyle AJ, Stoner MC. Impact of calcified plaque volume on technical and 3-year outcomes after transcarotid artery revascularization. J Vasc Surg 2023; 78:150-157. [PMID: 36918106 DOI: 10.1016/j.jvs.2023.03.017] [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: 12/29/2022] [Revised: 03/02/2023] [Accepted: 03/05/2023] [Indexed: 03/14/2023]
Abstract
OBJECTIVE We sought to quantify the percent calcification within carotid artery plaques and assess its impact on percent residual stenosis and rate of restenosis in patients undergoing transcarotid artery revascularization for symptomatic and asymptomatic carotid artery stenosis. METHODS A retrospective review of prospectively collected institutional Vascular Quality Initiative data was performed to identify all patients undergoing transcarotid artery revascularization from December 2015 to June 2021 (n = 210). Patient and lesion characteristics were extracted. Using a semiautomated workflow, preoperative computed tomography head and neck angiograms were analyzed to determine the calcified plaque volume in distal common carotid artery and internal carotid artery plaques. Intraoperative digital subtraction angiograms were reviewed to calculate the percent residual stenosis post-intervention according to North American Symptomatic Carotid Endarterectomy Trial criteria. Peak systolic velocity and end-diastolic velocity were extracted from outpatient carotid duplex ultrasound examinations. Univariate logistic regression was performed to analyze the relationship of calcium volume percent and Vascular Quality Initiative lesion calcification to percent residual stenosis in completion angiograms. Kaplan-Meier analysis examined the relationship between calcium volume percent and in-stent stenosis over 36 months. RESULTS One hundred ninety-seven carotid arteries were preliminarily examined. Predilation was performed in 87.4% of cases with a mean balloon diameter of 5.1 ± 0.7 mm and a mean stent diameter was 8.8 ± 1.1 mm. The mean calcium volume percent was 11.9 ± 12.4% and the mean percent residual stenosis was 16.1 ± 15.6%. Univariate logistic regression demonstrated a statistically significant difference between calcium volume percent and percent residual stenosis (odds ratio [OR], 1.324; 95% confidence interval [CI], 1.005-1.746; P = .046). Stratified by quartile, only the top 25% of calcified plaques (>18.7% calcification) demonstrated a statistically significant association with higher percent residual stenosis (OR, 2.532; 95% CI, 1.049-6.115; P =.039). There was no statistical significance with lesion calcification (OR, 1.298; 95% C,: 0.980-1.718; P = .069). A Kaplan-Meier analysis demonstrated a statistically significant increase in the rate of in-stent stenosis during a 36-month follow-up for lesions containing >8.2% calcium volume (P = .0069). CONCLUSIONS A calcium volume percent of >18.7% was associated with a higher percent residual stenosis, and a calcium volume percent of >8.2% was associated with higher in-stent stenosis at 36 months. There was one clinically diagnosed stroke during the follow-up period, demonstrating the overall safety of the procedure.
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Affiliation(s)
| | - Daniel J Lehane
- Department of Surgery, University of Rochester, Rochester, NY
| | | | | | - Doran S Mix
- Department of Surgery, University of Rochester, Rochester, NY
| | | | - Adam J Doyle
- Department of Surgery, University of Rochester, Rochester, NY
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Comparison of transcarotid artery revascularization and transfemoral carotid artery stenting based on high risk anatomic characteristics. Ann Vasc Surg 2022; 87:21-30. [DOI: 10.1016/j.avsg.2022.03.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/25/2022] [Accepted: 03/26/2022] [Indexed: 11/22/2022]
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Poorthuis MH, Herings RA, Dansey K, Damen JA, Greving JP, Schermerhorn ML, de Borst GJ. External Validation of Risk Prediction Models to Improve Selection of Patients for Carotid Endarterectomy. Stroke 2022; 53:87-99. [PMID: 34634926 PMCID: PMC8712365 DOI: 10.1161/strokeaha.120.032527] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND PURPOSE The net benefit of carotid endarterectomy (CEA) is determined partly by the risk of procedural stroke or death. Current guidelines recommend CEA if 30-day risks are <6% for symptomatic stenosis and <3% for asymptomatic stenosis. We aimed to identify prediction models for procedural stroke or death after CEA and to externally validate these models in a large registry of patients from the United States. METHODS We conducted a systematic search in MEDLINE and EMBASE for prediction models of procedural outcomes after CEA. We validated these models with data from patients who underwent CEA in the American College of Surgeons National Surgical Quality Improvement Program (2011-2017). We assessed discrimination using C statistics and calibration graphically. We determined the number of patients with predicted risks that exceeded recommended thresholds of procedural risks to perform CEA. RESULTS After screening 788 reports, 15 studies describing 17 prediction models were included. Nine were developed in populations including both asymptomatic and symptomatic patients, 2 in symptomatic and 5 in asymptomatic populations. In the external validation cohort of 26 293 patients who underwent CEA, 702 (2.7%) developed a stroke or died within 30-days. C statistics varied between 0.52 and 0.64 using all patients, between 0.51 and 0.59 using symptomatic patients, and between 0.49 to 0.58 using asymptomatic patients. The Ontario Carotid Endarterectomy Registry model that included symptomatic status, diabetes, heart failure, and contralateral occlusion as predictors, had C statistic of 0.64 and the best concordance between predicted and observed risks. This model identified 4.5% of symptomatic and 2.1% of asymptomatic patients with procedural risks that exceeded recommended thresholds. CONCLUSIONS Of the 17 externally validated prediction models, the Ontario Carotid Endarterectomy Registry risk model had most reliable predictions of procedural stroke or death after CEA and can inform patients about procedural hazards and help focus CEA toward patients who would benefit most from it.
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Affiliation(s)
| | - Reinier A.R. Herings
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Kirsten Dansey
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, US
| | - Johanna A.A. Damen
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Jacoba P. Greving
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Marc L. Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, US
| | - Gert J. de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
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Elsayed N, Yei KS, Naazie I, Goodney P, Clouse WD, Malas M. The impact of carotid lesion calcification on outcomes of carotid artery stenting. J Vasc Surg 2021; 75:921-929. [PMID: 34592377 DOI: 10.1016/j.jvs.2021.08.095] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 08/24/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE The impact of carotid artery lesion calcification on adverse events following carotid artery stenting is not well-studied. Few reports associated heavily calcified lesions with high risk of perioperative stroke following transfemoral carotid artery stenting (TFCAS). With the advent of transcarotid artery revascularization (TCAR), we aimed to compare the outcomes of these two procedures stratified by the degree of lesion calcification. METHODS Our cohort was derived from the Vascular Quality Initiative database for carotid artery stenting. Patients with missing information on the degree of carotid artery calcification were excluded. Patients were stratified into two groups: >50% (heavy) calcification and ≤50% (no/mild) calcification. The Student t test and the χ2 test were used to compare patients' baseline characteristics and crude outcomes, as appropriate. Clinically relevant and statistically significantly variables on univariable analysis were added to a logistic regression model clustered by center identifier. RESULTS A total of 11,342 patients were included. Patients with >50% calcification were older, had more comorbidities, and more contralateral occlusion. There were more patients with prior ipsilateral carotid endarterectomy in the ≤50% calcification group. In patients who underwent TCAR, there were no significant differences between those who had >50% vs ≤50% carotid calcification in the odds of in-hospital adverse outcomes. However, in patients with heavy calcification who underwent TFCAS, there was a 50% to 60% increase in the odds of stroke (odds ratio [OR], 1.6; 95% confidence interval [CI], 1.04-2.5; P = .03), stroke/transient ischemic attack (TIA) (OR, 1.6; 95% CI, 1.1-2.3; P = .013), and stroke/death (OR, 1.5; 95% CI, 1.02-2.08; P = .039). Compared with TFCAS in patients with heavy calcification, TCAR was associated with a 40% to 90% reduction in the odds of contralateral stroke (OR, 0.13; 95% CI, 0.04-0.4; P = .001), contralateral stroke/TIA (OR, 0.3; 95% CI, 0.1-0.87; P = .024), any stroke/TIA (OR, 0.6; 95% CI, 0.38-0.91; P = .02), death (OR, 0.3; 95% CI, 0.13-0.72; P = .006), stroke/death (OR, 0.5; 95% CI, 0.32-0.8; P = .004), and stroke/death/myocardial infarction (OR, 0.58; 95% CI, 0.39-0.87; P = .008). There were no significant differences in the odds of stroke and myocardial infarction. CONCLUSIONS In this retrospective analysis of patients undergoing TFCAS vs TCAR in the Vascular Quality Initiative database, TCAR demonstrated favorable outcomes compared with TFCAS among patients with calcification greater than 50% of the carotid circumference. Advance burden of carotid artery calcification was associated with worse outcomes in patients undergoing TFCAS but not TCAR. These results are consistent with previously demonstrated superiority of flow reversal compared with distal embolic protection devices. Further research is needed to assess long-term outcomes and confirm the durability of TCAR in heavily calcified lesions.
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Affiliation(s)
- Nadin Elsayed
- Division of Vascular and Endovascular Surgery, University of California San Diego, La Jolla, Calif
| | - Kevin S Yei
- Division of Vascular and Endovascular Surgery, University of California San Diego, La Jolla, Calif
| | - Isaac Naazie
- Division of Vascular and Endovascular Surgery, University of California San Diego, La Jolla, Calif
| | - Philip Goodney
- Vascular Surgery, Dartmouth-Hitchcock Medical Center, Medical Center Dr, Lebanon, NH
| | - W Darrin Clouse
- Division of Vascular and Endovascular Surgery, University of Virginia Medical Center, Charlottesville, Va
| | - Mahmoud Malas
- Division of Vascular and Endovascular Surgery, University of California San Diego, La Jolla, Calif.
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AbuRahma AF, Avgerinos ED, Chang RW, Darling RC, Duncan AA, Forbes TL, Malas MB, Perler BA, Powell RJ, Rockman CB, Zhou W. The Society for Vascular Surgery implementation document for management of extracranial cerebrovascular disease. J Vasc Surg 2021; 75:26S-98S. [PMID: 34153349 DOI: 10.1016/j.jvs.2021.04.074] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 04/28/2021] [Indexed: 12/24/2022]
Affiliation(s)
- Ali F AbuRahma
- Department of Surgery, West Virginia University-Charleston Division, Charleston, WV.
| | - Efthymios D Avgerinos
- Division of Vascular Surgery, University of Pittsburgh School of Medicine, UPMC Hearrt & Vascular Institute, Pittsburgh, Pa
| | - Robert W Chang
- Vascular Surgery, Permanente Medical Group, San Francisco, Calif
| | | | - Audra A Duncan
- Division of Vascular & Endovascular Surgery, University of Western Ontario, London, Ontario, Canada
| | - Thomas L Forbes
- Division of Vascular & Endovascular Surgery, University of Western Ontario, London, Ontario, Canada
| | - Mahmoud B Malas
- Vascular & Endovascular Surgery, University of California San Diego, La Jolla, Calif
| | - Bruce Alan Perler
- Division of Vascular Surgery & Endovascular Therapy, Johns Hopkins, Baltimore, Md
| | | | - Caron B Rockman
- Division of Vascular Surgery, New York University Langone, New York, NY
| | - Wei Zhou
- Division of Vascular Surgery, University of Arizona, Tucson, Ariz
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11
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Clinical situations requiring radial or brachial access during carotid artery stenting. ADVANCES IN INTERVENTIONAL CARDIOLOGY 2020; 16:410-417. [PMID: 33598013 PMCID: PMC7863832 DOI: 10.5114/aic.2020.101765] [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: 04/30/2020] [Accepted: 06/29/2020] [Indexed: 11/17/2022] Open
Abstract
Introduction Radial or brachial access may be preferred in the case of severe peripheral artery disease (PAD) or difficult aortic arch anatomy during carotid artery stenting (CAS). Aim To evaluate the clinical conditions indicating potential benefit from non-femoral access as well as feasibility and safety of transradial/transbrachial access (TRA/TBA) as an alternative approach for CAS. Material and methods Since 2013, 67 patients (mean age: 70 years old, 44 men, 42% symptomatic) were selected for CAS with the TRA/TBA approach. The composite endpoint was stroke/death/myocardial infarction within 30 days of the procedure and compared to the propensity score matched transfemoral approach (TFA) group. Clinical (including neurological) examination and Doppler ultrasonography were performed before the procedure, at discharge and at 30 days. Results CAS with TRA/TBA was successful in 63/67 patients. Transfemoral access was not feasible due to PAD in 35 (52.2%) patients, bovine arch in 10 (14.9%), obesity (BMI > 35 kg/m2) in 9 (13.4%), severe degenerative disease of the spine in 7 (10.5%), arch type III in 5 (7.5%) and excessive subclavian stent protrusion in 1 (1.5%) patient. Mean NASCET carotid artery stenosis was reduced from 81% to 9% (p < 0.001). The composite endpoint occurred in 3 (4.8%) cases and it was not statistically significantly different from the matched TFA group (6.3%; p = 0.697). No access site complications requiring surgical intervention or blood transfusion developed. Conclusions Transradial and transbrachial CAS may be an effective and safe procedure, and it may constitute a viable alternative to the femoral approach in patients with severe PAD, difficult aortic arch anatomy or obesity.
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Dakour-Aridi H, Cui CL, Barleben A, Schermerhorn ML, Eldrup-Jorgensen J, Malas MB. Poststent ballooning during transcarotid artery revascularization. J Vasc Surg 2020; 73:2041-2049.e1. [PMID: 33253868 DOI: 10.1016/j.jvs.2020.10.071] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 10/18/2020] [Indexed: 11/24/2022]
Abstract
BACKGROUND Poststent ballooning/angioplasty (post-SB) have been shown to increase the risk of stroke risk after transfemoral carotid artery stenting. With the advancement of transcarotid artery revascularization (TCAR) with dynamic cerebral blood flow reversal, we aimed to study the impact of post-SB during TCAR. METHODS Patients undergoing TCAR in the Vascular Quality Initiative between September 2016 and May 2019 were included and were divided into three groups: those who received prestent deployment angioplasty only (pre-SB, reference group), those who received poststent deployment ballooning only (post-SB), and those who received both prestent and poststent deployment ballooning (prepost-SB). Patients who did not receive any angioplasty during their procedure (n = 367 [6.7%]) were excluded because these represent a different group of patients with less complex lesions than those requiring angioplasty. Primary outcome was in-hospital stroke or death. Analysis was performed using univariable and multivariable logistic regression models. RESULTS Of 5161 patients undergoing TCAR, 34.7% had pre-SB only, 25% had post-SB only, and 40.3% had both (prepost-SB). No differences in the rates of in-hospital and 30-day stroke, death, and stroke/death were observed among the three groups; in-hospital stroke/death in the pre-SB group was 1.4% (n = 25), post-SB 1.2% (n = 16), and prepost-SB 1.4% (n = 29; P = .92). However, patients undergoing post-SB and prepost-SB had higher rates of in-hospital transient ischemic attacks (TIA) (post-SB, 0.9%; prepost-SB, 1% vs pre-SB, 0.2%, P < .01) and postprocedural hypotension (16.6% and 16.8% vs 13.1%, respectively; P < .001). Post-SB also had longer operative times, as well as flow reversal and fluoroscopy times. On multivariable analysis, no association was seen between post-SB and the primary outcome of in-hospital stroke/death (post-SB odds ratio [OR], 0.88; 95% confidence interval [CI], 0.44-1.73; prepost-SB OR, 0.98; 95% CI, 0.57-1.70). Similarly, no significant differences were noted in terms of postprocedural hemodynamic instability and 30-day outcomes. However, post-SB and prepost-SB were associated with four times the odds of in-hospital TIA compared with pre-SB alone (post-SB OR, 4.24 [95% CI, 1.51-11.8]; prepost-SB OR, 4.76 [95% CI, 1.53-14.79]; P = .01). Symptomatic patients had higher rates of in-hospital stroke/death compared with their asymptomatic counterparts; however, there was no significant interaction between symptomatic status and ballooning in predicting the primary outcome. CONCLUSIONS Post-SB was used in 65.3% of TCAR patients. This maneuver seems to be safe without an increase in the odds of postoperative in-hospital stroke/death. However, the increased rates of TIA associated with post-SB requires further investigation.
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Affiliation(s)
- Hanaa Dakour-Aridi
- Division of Vascular and Endovascular Surgery, Department of Surgery, University of California San Diego, Calif
| | - Christina L Cui
- Division of Vascular and Endovascular Surgery, Department of Surgery, University of California San Diego, Calif
| | - Andrew Barleben
- Division of Vascular and Endovascular Surgery, Department of Surgery, University of California San Diego, Calif
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | | | - Mahmoud B Malas
- Division of Vascular and Endovascular Surgery, Department of Surgery, University of California San Diego, Calif.
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Anatomical Considerations for Endovascular Intervention for Extracranial Carotid Disease: A Review of the Literature and Recommended Guidelines. J Clin Med 2020; 9:jcm9113460. [PMID: 33121192 PMCID: PMC7693974 DOI: 10.3390/jcm9113460] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/15/2020] [Accepted: 10/16/2020] [Indexed: 12/17/2022] Open
Abstract
Patient selection for endovascular intervention in extracranial carotid disease is centered on vascular anatomy. We review anatomical considerations for non-traumatic disease and offer guidelines in patient selection and management. We conducted a systematic literature review without meta-analysis for studies involving anatomical considerations in extracranial carotid intervention for non-traumatic disease. Anatomical considerations discussed included aortic arch variants, degree of vessel stenosis, angulation, tortuosity, and anomalous origins, and atheromatous plaque morphology, composition, and location. Available literature suggests that anatomical risks of morbidity are largely secondary to increased procedural times and difficulties in intervention system delivery. We recommend the prioritization of endovascular techniques on an individual basis in cases where accessible systems and surgeon familiarity provide an acceptable likelihood of rapid access and device deployment.
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Cerşit S, Öcal L, Keskin M, Gürsoy MO, Küp A, Çelik M, Eren H, Akyol S, Dereli S, Türkmen MM. Usefulness of CHA 2DS 2-VASc Score to predict clinical outcomes of patients undergoing carotid artery stenting. Int J Cardiovasc Imaging 2020; 37:783-789. [PMID: 33103225 DOI: 10.1007/s10554-020-02078-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 10/19/2020] [Indexed: 12/21/2022]
Abstract
The CHA2DS2-VASc score predicts stroke and mortality risk in several cardiovascular diseases regardless of atrial fibrillation. In this study, we aimed to investigate the ability of CHA2DS2-VASc score to predict in-hospital and long-term outcomes in patients undergoing carotid artery stenting (CAS). The study population included 558 patients undergoing CAS. The patients were stratified into three groups based on their CHA2DS2-VASc scores [low (≤ 2, n = 123), moderate (3-5, n = 355) and high (6-8, n = 80)]. In-hospital and 3-year outcomes were compared between the groups. In-hospital rates of ipsilateral and major strokes and death were significantly different between the groups (1.6% vs. 3.9% vs. 16.2%; 1.6% vs. 4.5% vs. 16.2%; 0.8% vs. 3.1% vs. 13.8%, p < 0.001 for all, respectively). At 3 years of follow-up, rates of ipsilateral and major strokes and death were significantly increased in patients with highscore compared to those with moderate and low scores (1.6% vs. 5.8% vs. 13%, p = 0.005; 0.8% vs. 5.2% vs. 13%, p = 0.001; 1.6% vs. 8.4% vs. 15.9%; p = 0.002, respectively). After adjusting for multi-model Cox regression analysis, CHA2DS2-VASc score persisted as an independent prognostic factor for mortality and major stroke in patients undergoing CAS. Higher CHA2DS2-VASc score predicted increased risk of in-hospital and 3- year stroke and mortality in patients undergoing CAS.
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Affiliation(s)
- Sinan Cerşit
- Cardiology, Kartal Koşuyolu Heart Training and Research Hospital, Health Sciences University, Istanbul, Turkey. .,, Istanbul, Turkey.
| | - Lütfi Öcal
- Cardiology, Kartal Koşuyolu Heart Training and Research Hospital, Health Sciences University, Istanbul, Turkey
| | - Muhammed Keskin
- Cardiology, Sultan Abdulhamid Han Training and Research Hospital, Health Sciences University, Istanbul, Turkey
| | - Mustafa Ozan Gürsoy
- Cardiology, Atatürk Training and Research Hospital, Katip Çelebi University, Izmir, Turkey
| | - Ayhan Küp
- Cardiology, Kartal Koşuyolu Heart Training and Research Hospital, Health Sciences University, Istanbul, Turkey
| | - Mehmet Çelik
- Cardiology, Kartal Koşuyolu Heart Training and Research Hospital, Health Sciences University, Istanbul, Turkey
| | - Hayati Eren
- Cardiology, Elbistan State Hospital, Kahramanmaraş, Turkey
| | - Selahattin Akyol
- Cardiology, Kartal Koşuyolu Heart Training and Research Hospital, Health Sciences University, Istanbul, Turkey
| | - Seçkin Dereli
- Cardiology, Ordu University School of Medicine, Ordu, Turkey
| | - Mehmet Muhsin Türkmen
- Cardiology, Kartal Koşuyolu Heart Training and Research Hospital, Health Sciences University, Istanbul, Turkey
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Comparison of open- and closed-cell stent design outcomes after carotid artery stenting in the Vascular Quality Initiative. J Vasc Surg 2020; 73:1639-1648. [PMID: 33080326 DOI: 10.1016/j.jvs.2020.08.155] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 08/31/2020] [Indexed: 11/23/2022]
Abstract
BACKGROUND The association between stent design and outcomes after carotid artery stenting (CAS) has remained controversial. The available data are conflicting regarding the superiority of any specific stent design. The present study investigated the association between cell design and outcomes after carotid artery stenting (CAS) in a real world setting. METHODS Patients who had undergone CAS with distal embolic protection in the Society for Vascular Surgery Vascular Quality Initiative (VQI) database from 2016 to 2018 were included in the present study. Patients undergoing CAS for trauma or dissection or more than two treated lesions were excluded. We also excluded lesions for which more than two carotid stents had been used and lesions confined to the common or external carotid artery. Univariable and multivariable logistic regression analyses were used to compare the outcomes after CAS between the open- and closed-cell stent designs. RESULTS Of the 2671 CAS procedures included in the present analysis, 1384 (51.8%) had used closed-cell stents and 1287 (48.2%) had used open-cell stents. On univariable analysis, no significant differences were noted between the closed- and open-cell stents in in-hospital mortality (1.8% vs 1.4%; P = .40), stroke (1.8% vs 2.4%; P = .28), and stroke/death (3.3% vs 3.5%; P = .81). After adjusting for potential confounders (ie, age, symptomatic status, previous major amputation, statin and antiplatelet use, American Society of Anesthesiologists class, elective procedures, approach, and post-stent dilatation), no difference was noted in in-hospital stroke/death between the two stent designs (odds ratio [OR], 1.08; 95% confidence interval [CI], 0.68-1.74; P = .74). However, the interaction between stent design (open vs closed) and lesion location (bifurcation vs internal carotid artery [ICA]) was statistically significant (P = .02). Closed-cell stents were associated with five times the odds of in-hospital stroke/death when used in carotid artery bifurcation (OR, 5.5; 95% CI, 1.3-22.2; P = .02). However, when the stent was limited to the ICA, no differences were noted (OR, 0.87; 95% CI, 0.51-1.45; P = .62). One-year follow-up data were available for 19% of patients. No differences in ipsilateral stroke or death at 1 year were noted between the open- and closed-cell stents, except when the lesion was located in the carotid bifurcation (hazard ratio, 6.7; 95% CI, 1.4-31.4; P = .02). CONCLUSIONS Closed-cell stents were associated with an increased odds of in-hospital stroke/death for carotid bifurcation lesions, which might be related to the relatively lower conformability of closed-cell stents in the tortuous and diameter-mismatched bifurcation anatomy vs the relatively linear uniform diameter of the ICA. Improved follow-up and in-depth analysis of lesion-specific characteristics that might influence the outcomes of these two designs are needed to validate these results.
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Case BC, Yerasi C, Forrestal BJ, Khalid N, Shlofmitz E, Satler LF, Ben-Dor I, Rogers T, Waksman R, Bernardo NL. Intravascular Lithotripsy Facilitated Percutaneous Endovascular Intervention of the Aortic Arch: A Single-Center Experience. CARDIOVASCULAR REVASCULARIZATION MEDICINE 2020; 21:1006-1015. [DOI: 10.1016/j.carrev.2020.04.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 04/24/2020] [Indexed: 11/26/2022]
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Öcal L, Küp A, Keskin M, Cerşit S, Çelik M, Eren H, Gürsoy MO, Öztürkeri B, Öztürk B, Turkmen MM. Prognostic significance of pre-procedural prognostic nutritional index in patients with carotid artery stenting. J Stroke Cerebrovasc Dis 2020; 29:104932. [PMID: 32689619 DOI: 10.1016/j.jstrokecerebrovasdis.2020.104932] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 04/30/2020] [Accepted: 05/03/2020] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Inflammation and malnutrition play a critical role in the outcomes of patients undergoing carotid artery stenting (CAS). Prognostic nutritional index (PNI) is commonly utilized to evaluate the peri-operative immune-nutritional status of patients undergoing colorectal cancer surgery and is independently associated with survival. We assessed the association between immune-nutritional status, indexed by PNI, and outcomes in CAS patients. METHODS A total of 615 patients hospitalized for CAS in a tertiary heart center were enrolled in the study. PNI was calculated using the following formula: 10× serum albumin value (g/dL) + 0.005 × total lymphocyte count in the peripheral blood (per mm3). In-hospital and 5-year outcomes (ipsilateral stroke, major stroke, transient ischemic attack, myocardial infarction, and mortality) were compared between the tertiles of PNI. RESULTS In-hospital outcomes were similar between the groups except the increased mortality in decreasing tertiles of PNI. During a mean follow-up duration of 51.1 months, the lower PNI tertile was related to unfavorable outcomes. After adjusting for multi-model Cox regression analysis, PNI persisted as an independent prognostic factor for mortality and major stroke. CONCLUSION PNI was independently associated with long-term mortality and major stroke in CAS patients. Malnutrition and inflammation, which can be assessed easily and quickly using PNI, have an important prognostic value in the patients undergoing CAS.
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Affiliation(s)
- Lütfi Öcal
- Kartal Koşuyolu Heart Training and Research Hospital, Cardiology, Health Sciences University, Istanbul, Turkey.
| | - Ayhan Küp
- Kartal Koşuyolu Heart Training and Research Hospital, Cardiology, Health Sciences University, Istanbul, Turkey.
| | - Muhammed Keskin
- Sultan Abdulhamid Han Training and Research Hospital, Cardiology, Health Sciences University, Istanbul, Turkey.
| | - Sinan Cerşit
- Kartal Koşuyolu Heart Training and Research Hospital, Cardiology, Health Sciences University, Istanbul, Turkey.
| | - Mehmet Çelik
- Kartal Koşuyolu Heart Training and Research Hospital, Cardiology, Health Sciences University, Istanbul, Turkey.
| | - Hayati Eren
- Cardiology, Elbistan State Hospital, Kahramanmaraş, Turkey.
| | - Mustafa Ozan Gürsoy
- Cardiology, Atatürk Training And Research Hospital, Katip Çelebi University, İzmir, Turkey.
| | - Burak Öztürkeri
- Ümraniye Training and Research Hospital, Cardiology, Health Sciences University, Istanbul, Turkey.
| | - Bayram Öztürk
- Cardiology, Sutcu Imam University, Kahramanmaraş, Turkey.
| | - Mehmet Muhsin Turkmen
- Kartal Koşuyolu Heart Training and Research Hospital, Cardiology, Health Sciences University, Istanbul, Turkey.
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Conway AM, Nguyen Tran NT, Qato K, Ehidom C, Stoffels GJ, Giangola G, Carroccio A. Complexity of Aortic Arch Anatomy Affects the Outcomes of Transcarotid Artery Revascularization Versus Transfemoral Carotid Artery Stenting. Ann Vasc Surg 2020; 67:78-89. [PMID: 32339690 DOI: 10.1016/j.avsg.2020.04.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/09/2020] [Accepted: 04/17/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND Transcarotid artery revascularization (TCAR) has been shown to have half the rates of transient ischemic attack (TIA), stroke, and death compared with transfemoral carotid artery stenting (TFCAS). Successful outcomes of TFCAS require careful patient selection. The aim of this study was to determine the outcomes of TFCAS versus TCAR in both simple (type I) and complex (type II and III) aortic arches. METHODS A retrospective cohort study was performed comparing the outcomes of patients undergoing TFCAS versus TCAR with simple and complex aortic arches using the Vascular Quality Initiative registry from August 2011 to May 2019. The primary outcome was a composite of in-hospital TIA/stroke/death. RESULTS About 6,108 carotid artery interventions were analyzed, including 3,536 (57.9%) patients with type I, 2,013 (33.0%) with type II, and 559 (9.2%) with type III aortic arch. In 3,535 patients with a simple arch, 1,917 underwent TFCAS and 1,619 had TCAR. Mean age was 70.6 (±9.5) years, and 2,382 (67.4%) patients were males. The primary outcome of postoperative TIA/stroke/death was seen significantly less frequently in those undergoing TCAR compared with TFCAS in simple arches (odds ratio [OR], 0.63; 95% confidence interval [95% CI], 0.43-0.94; P = 0.0236). Although the individual outcome of death occurred less often in TCAR (P = 0.0025), there was no difference in the occurrence of in-hospital stroke (P = 0.8836) or TIA (P = 0.4608). On multivariable analysis, TCAR was associated with improved outcomes (P = 0.0062). A worse outcome was associated with increasing age (P < 0.001), a prior stroke (P < 0.0001), and increasing number of stents (P = 0.0483). In 2,572 patients with a complex arch, 1,416 underwent TFCAS and 1,156 had TCAR. Mean age was 73.0 (±9.1) years, and 1,655 (64.4%) were males. In complex arch anatomy, the primary outcome of in-hospital TIA/stroke/death was seen significantly less frequently in TCAR compared with TFCAS (OR, 0.49; 95% CI, 0.31-0.77; P = 0.0022). Again noted was a significant difference in death, with better outcomes in TCAR (P = 0.0133). Although the occurrence of in-hospital TIA was no different between the 2 approaches (P = 0.6158), there were significantly fewer strokes in those treated with TCAR (P = 0.0132). TCAR (P = 0.0146) was associated with improved outcomes. A worse outcome was seen with advancing age (P = 0.0003), prior strokes (P = 0.01), and a left-sided lesion (P = 0.0176). CONCLUSIONS TCAR has improved outcomes of TIA/stroke/death compared with TFCAS in both simple and complex aortic arch anatomy. In simple aortic arches, there is no difference in neurologic outcomes between both approaches. In complex arch anatomy, TCAR has fewer strokes.
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Affiliation(s)
- Allan M Conway
- Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY.
| | - Nhan T Nguyen Tran
- Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY
| | - Khalil Qato
- Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY
| | - Clinton Ehidom
- Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY
| | | | - Gary Giangola
- Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY
| | - Alfio Carroccio
- Department of Surgery, Lenox Hill Hospital, Northwell Health, New York, NY
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A Clinical Validation Study of Anatomical Risk Scoring for Procedural Stroke in Patients Treated by Carotid Artery Stenting in the International Carotid Stenting Study. Eur J Vasc Endovasc Surg 2019; 58:664-670. [DOI: 10.1016/j.ejvs.2019.04.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 02/20/2019] [Accepted: 04/24/2019] [Indexed: 11/22/2022]
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Mechanisms of Arterial Calcification: The Role of Matrix Vesicles. Eur J Vasc Endovasc Surg 2018; 55:425-432. [PMID: 29371036 DOI: 10.1016/j.ejvs.2017.12.009] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Accepted: 12/06/2017] [Indexed: 12/27/2022]
Abstract
Vascular calcification is related to vascular diseases, for example, atherosclerosis, and its comorbidities, such as diabetes and chronic kidney disease. In each condition, a distinctive histological pattern can be recognised that may influence technical choices, possible intra-operative complications, and procedure outcomes, no matter if the intervention is performed by open or endovascular means. This review considers the classification and initiating mechanisms of vascular calcification. Dystrophic and metastatic calcifications, Monckeberg's calcification, and genetic forms are firstly outlined, followed by their alleged initiation mechanisms; these include (a) ineffective macrophage efferocytosis; (b) ectopic osteogenesis driven by modified resident or circulating osteoprogenitors. As in physiological bio-mineralisation, active calcification starts with the deposition of cell derived matrix vesicles into the extracellular matrix. To substantiate this belief, an in depth ultra-structural documentation of hydroxyapatite crystal deposition on such vesicles is provided in an ex-vivo human vascular cell model. Revealing the vesicle composition and phenotype in normal and pathological vascular conditions will be essential for the development of new therapeutic strategies, in order to prevent and treat vascular calcification.
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Abstract
Carotid artery stenting (CAS) has been recommended as an alternative treatment to carotid endarterectomy for patients with significant carotid stenosis. Only a few studies have analyzed clinical/anatomical and technical variables that affect perioperative outcomes of CAS. Following a comprehensive Medline search, it was reported that clinical factors, including age of >80 years, chronic renal failure, diabetes mellitus, symptomatic indications, and procedures performed within 2 weeks of transient ischemic attack symptoms, are associated with high perioperative stroke and death rates. They also highlighted that angiographic variables, e.g., ulcerated and calcified plaques, left carotid intervention, >90% stenosis, >10-mm target lesion length, ostial involvement, type III aortic arch, and >60°-angulated internal carotid and common carotid arteries, are predictors of increased stroke rates. Technical factors associated with increased perioperative risk of stroke include percutaneous transluminal angioplasty (PTA) without embolic protection devices, PTA before stent placement, and the use of multiple stents. This review describes the most widely quoted data in defining various predictors of perioperative stroke and death after CAS. (This is a review article based on the invited lecture of the 45th Annual Meeting of Japanese Society for Vascular Surgery.)
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Affiliation(s)
- Ali F AbuRahma
- Department of Surgery, West Virginia University, Charleston, West Virginia, USA
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