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Bala F, Singh N, Moreau F, Field T, Goyal M, Hill M, Coutts S, Almekhlafi M. Prevalence of Intracranial Atherosclerotic Disease in Patients with Low-Risk Transient or Persistent Neurologic Events. AJNR Am J Neuroradiol 2022; 43:376-380. [PMID: 35177550 PMCID: PMC8910796 DOI: 10.3174/ajnr.a7429] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Accepted: 12/25/2021] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE There are limited data on the prevalence and outcome of intracranial atherosclerotic disease in patients with low-risk transient or persistent minor neurologic events. We sought to determine the prevalence and risk factors associated with intracranial atherosclerotic disease in patients with low-risk transient or persistent neurologic events. MATERIALS AND METHODS Participants with available intracranial vascular imaging from the Diagnosis of Uncertain-Origin Benign Transient Neurologic Symptoms (DOUBT) study, a large prospective multicenter cohort study, were included in this post hoc analysis. The prevalence of intracranial atherosclerotic disease of ≥50% was determined, and the association with baseline characteristics and DWI lesions was evaluated using logistic regression. RESULTS We included 661 patients with a median age of 62 years (interquartile range, 53-70 years), of whom 53% were women. Intracranial atherosclerotic disease was found in 81 (12.3%) patients; asymptomatic intracranial atherosclerotic disease alone, in 65 (9.8%); and symptomatic intracranial atherosclerotic disease, in 16 (2.4%). The most frequent location was in the posterior cerebral artery (29%). Age was the only factor associated with any intracranial atherosclerotic disease (adjusted OR, 1.9 for 10 years increase; 95% CI, 1.6-2.5). Multivariable logistic regression showed a strong association between intracranial atherosclerotic disease and the presence of acute infarct on MR imaging (adjusted OR, 3.47; 95% CI, 1.91-6.25). CONCLUSIONS Intracranial atherosclerotic disease is not rare in patients with transient or persistent minor neurologic events and is independently associated with the presence of MR imaging-proved ischemia in this context. Evaluation of the intracranial arteries could be valuable in establishing the etiology of such low-risk events.
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Affiliation(s)
- F. Bala
- From the Departments of Clinical Neurosciences (F.B., N.S., M.G., M.D.H., S.B.C., M.A.)
| | - N. Singh
- From the Departments of Clinical Neurosciences (F.B., N.S., M.G., M.D.H., S.B.C., M.A.)
| | - F. Moreau
- Department of Neurology (F.M.), Université de Sherbrooke, Sherbrooke, Quebec Party, Canada
| | - T.S. Field
- Vancouver Stroke Program (T.S.F.), Division of Neurology, University of British Columbia, Vancouver, British Columbia, Canada
| | - M. Goyal
- From the Departments of Clinical Neurosciences (F.B., N.S., M.G., M.D.H., S.B.C., M.A.),Radiology (M.G., M.D.H., S.B.C., M.A.)
| | - M.D. Hill
- From the Departments of Clinical Neurosciences (F.B., N.S., M.G., M.D.H., S.B.C., M.A.),Radiology (M.G., M.D.H., S.B.C., M.A.),Community Health Sciences (M.D.H., S.B.C., M.A.),Medicine (M.D.H.), Cumming School of Medicine, University of Calgary and Foothills Medical Centre, Calgary, Alberta, Canada
| | - S.B. Coutts
- From the Departments of Clinical Neurosciences (F.B., N.S., M.G., M.D.H., S.B.C., M.A.),Radiology (M.G., M.D.H., S.B.C., M.A.),Community Health Sciences (M.D.H., S.B.C., M.A.)
| | - M. Almekhlafi
- From the Departments of Clinical Neurosciences (F.B., N.S., M.G., M.D.H., S.B.C., M.A.),Radiology (M.G., M.D.H., S.B.C., M.A.),Community Health Sciences (M.D.H., S.B.C., M.A.)
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Podlasek A, Dhillon PS, Jewett G, Shahein A, Goyal M, Almekhlafi M. Clinical and Procedural Outcomes with or without Balloon Guide Catheters during Endovascular Thrombectomy in Acute Ischemic Stroke: A Systematic Review and Meta-analysis with First-line Technique Subgroup Analysis. AJNR Am J Neuroradiol 2021; 42:1464-1471. [PMID: 34045301 DOI: 10.3174/ajnr.a7164] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 03/16/2021] [Indexed: 11/07/2022]
Abstract
BACKGROUND Balloon guide catheters are increasingly used to improve clot retrieval by temporarily stopping proximal blood flow during endovascular thrombectomy. PURPOSE Our aim was to provide a summary of the literature comparing the procedural and clinical outcomes of endovascular thrombectomy with or without balloon guide catheters, depending on the first-line technique used. DATA SOURCES We used PubMed/MEDLINE, EMBASE, and the Cochrane Database of Systematic Reviews. STUDY SELECTION We chose studies that compared using balloon guide catheters with not using them. DATA ANALYSIS Random effects meta-analysis was performed to compare the procedural outcomes measured as the first-pass effect, successful reperfusion, number of passes, procedural duration, arterial puncture to reperfusion time, distal emboli, and clinical outcomes. DATA SYNTHESIS Overall, a meta-analysis of 16 studies (5507 patients, 50.8% treated with balloon guide catheters and 49.2% without them) shows that the use of balloon guide catheters increases the odds of achieving a first-pass effect (OR = 1.92; 95% CI, 1.34-2.76; P < .001), successful reperfusion (OR = 1.85; 95% CI, 1.42-2.40; P < .001), and good functional outcome (OR =1.48; 95% CI, 1.27-1.73; P < .001). Balloon guide catheters reduce the number of passes (mean difference = -0.35; 95% CI, -0.65 to -0.04; P = .02), procedural time (mean difference = -19.73; 95% CI, -34.63 to -4.83; P = .009), incidence of distal or new territory emboli (OR = 0.5; 95% CI, 0.26-0.98; P = .04), and mortality (OR = 0.72; 95% CI, 0.62-0.85; P < .001). Similar benefits of balloon guide catheters are observed when the first-line technique was a stent retriever or contact aspiration, but not for a combined approach. LIMITATIONS The analysis was based on nonrandomized trials with a moderate risk of bias. CONCLUSIONS Current literature suggests improved clinical and procedural outcomes associated with the use of balloon guide catheters during endovascular thrombectomy, especially when using the first-line stent retriever.
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Affiliation(s)
- A Podlasek
- From the Department of Neuroscience and Vascular Simulation (A.P.), School of Medicine, Anglia Ruskin University, Chelmsford, Essex, UK
- National Institute of Health Research Nottingham Biomedical Research Centre (A.P., P.S.D.), University of Nottingham, Nottingham, UK
- Clinical Radiology (A.P., P.S.D.), Queens Medical Centre, Nottingham University Hospitals National Health Service Trust, Nottingham, UK
| | - P S Dhillon
- National Institute of Health Research Nottingham Biomedical Research Centre (A.P., P.S.D.), University of Nottingham, Nottingham, UK
- Clinical Radiology (A.P., P.S.D.), Queens Medical Centre, Nottingham University Hospitals National Health Service Trust, Nottingham, UK
| | - G Jewett
- Department of Clinical Neurosciences (G.J., A.S., M.G., M.A.), University of Calgary, Calgary, Alberta, Canada
| | - A Shahein
- Department of Clinical Neurosciences (G.J., A.S., M.G., M.A.), University of Calgary, Calgary, Alberta, Canada
| | - M Goyal
- Department of Clinical Neurosciences (G.J., A.S., M.G., M.A.), University of Calgary, Calgary, Alberta, Canada
- Department of Radiology (M.G., M.A.), University of Calgary, Calgary, Alberta, Canada
| | - M Almekhlafi
- Department of Clinical Neurosciences (G.J., A.S., M.G., M.A.), University of Calgary, Calgary, Alberta, Canada
- Department of Radiology (M.G., M.A.), University of Calgary, Calgary, Alberta, Canada
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Ospel JM, Hill MD, Menon BK, Demchuk A, McTaggart R, Nogueira R, Poppe A, Haussen D, Qiu W, Mayank A, Almekhlafi M, Zerna C, Joshi M, Jayaraman M, Roy D, Rempel J, Buck B, Tymianski M, Goyal M. Strength of Association between Infarct Volume and Clinical Outcome Depends on the Magnitude of Infarct Size: Results from the ESCAPE-NA1 Trial. AJNR Am J Neuroradiol 2021; 42:1375-1379. [PMID: 34167959 DOI: 10.3174/ajnr.a7183] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 03/17/2021] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Infarct volume is an important predictor of clinical outcome in acute stroke. We hypothesized that the association of infarct volume and clinical outcome changes with the magnitude of infarct size. MATERIALS AND METHODS Data were derived from the Safety and Efficacy of Nerinetide in Subjects Undergoing Endovascular Thrombectomy for Stroke (ESCAPE-NA1) trial, in which patients with acute stroke with large-vessel occlusion were randomized to endovascular treatment plus either nerinetide or a placebo. Infarct volume was manually segmented on 24-hour noncontrast CT or DWI. The relationship between infarct volume and good outcome, defined as mRS 0-2 at 90 days, was plotted. Patients were categorized on the basis of visual grouping at the curve shoulders of the infarct volume/outcome plot. The relationship between infarct volume and adjusted probability of good outcome was fitted with linear or polynomial functions as appropriate in each group. RESULTS We included 1099 individuals in the study. Median infarct volume at 24 hours was 24.9 mL (interquartile range [IQR] = 6.6-92.2 mL). On the basis of the infarct volume/outcome plot, 4 infarct volume groups were defined (IQR = 0-15 mL, 15.1-70 mL, 70.1-200 mL, >200 mL). Proportions of good outcome in the 4 groups were 359/431 (83.3%), 219/337 (65.0%), 71/201 (35.3%), and 16/130 (12.3%), respectively. In small infarcts (IQR = 0-15 mL), no relationship with outcome was appreciated. In patients with intermediate infarct volume (IQR = 15-200 mL), there was progressive importance of volume as an outcome predictor. In infarcts of > 200 mL, outcomes were overall poor. CONCLUSIONS The relationship between infarct volume and clinical outcome varies nonlinearly with the magnitude of infarct size. Infarct volume was linearly associated with decreased chances of achieving good outcome in patients with moderate-to-large infarcts, but not in those with small infarcts. In very large infarcts, a near-deterministic association with poor outcome was seen.
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Affiliation(s)
- J M Ospel
- Department of Clinical Neurosciences (J.M.O., M.D.H., B.K.M., A.D., W.Q., A.M., M.A., C.Z., M.G.), University of Calgary, Calgary, Alberta, Canada.,Department of Radiology (J.M.O.), University Hospital of Basel, Basel, Switzerland
| | - M D Hill
- Department of Clinical Neurosciences (J.M.O., M.D.H., B.K.M., A.D., W.Q., A.M., M.A., C.Z., M.G.), University of Calgary, Calgary, Alberta, Canada.,Department of Radiology (M.D.H., B.K.M., A.D., M.A., M. Joshi, M.G.), University of Calgary, Calgary, Alberta, Canada
| | - B K Menon
- Department of Clinical Neurosciences (J.M.O., M.D.H., B.K.M., A.D., W.Q., A.M., M.A., C.Z., M.G.), University of Calgary, Calgary, Alberta, Canada.,Department of Radiology (M.D.H., B.K.M., A.D., M.A., M. Joshi, M.G.), University of Calgary, Calgary, Alberta, Canada
| | - A Demchuk
- Department of Clinical Neurosciences (J.M.O., M.D.H., B.K.M., A.D., W.Q., A.M., M.A., C.Z., M.G.), University of Calgary, Calgary, Alberta, Canada.,Department of Radiology (M.D.H., B.K.M., A.D., M.A., M. Joshi, M.G.), University of Calgary, Calgary, Alberta, Canada
| | - R McTaggart
- Department of Interventional Radiology (R.M., M. Jayaraman), Warren Alpert Medical School of Brown University, Providence, Rhode Island
| | - R Nogueira
- Department of Neurology (R.N., D.H.), Emory University School of Medicine, Atlanta, Georgia
| | - A Poppe
- Centre Hospitalier de l'Université de Montréal (A.P., D.R.), Montreal, Quebec, Canada
| | - D Haussen
- Department of Neurology (R.N., D.H.), Emory University School of Medicine, Atlanta, Georgia
| | - W Qiu
- Department of Clinical Neurosciences (J.M.O., M.D.H., B.K.M., A.D., W.Q., A.M., M.A., C.Z., M.G.), University of Calgary, Calgary, Alberta, Canada
| | - A Mayank
- Department of Clinical Neurosciences (J.M.O., M.D.H., B.K.M., A.D., W.Q., A.M., M.A., C.Z., M.G.), University of Calgary, Calgary, Alberta, Canada
| | - M Almekhlafi
- Department of Clinical Neurosciences (J.M.O., M.D.H., B.K.M., A.D., W.Q., A.M., M.A., C.Z., M.G.), University of Calgary, Calgary, Alberta, Canada.,Department of Radiology (M.D.H., B.K.M., A.D., M.A., M. Joshi, M.G.), University of Calgary, Calgary, Alberta, Canada
| | - C Zerna
- Department of Clinical Neurosciences (J.M.O., M.D.H., B.K.M., A.D., W.Q., A.M., M.A., C.Z., M.G.), University of Calgary, Calgary, Alberta, Canada
| | - M Joshi
- Department of Radiology (M.D.H., B.K.M., A.D., M.A., M. Joshi, M.G.), University of Calgary, Calgary, Alberta, Canada
| | - M Jayaraman
- Department of Interventional Radiology (R.M., M. Jayaraman), Warren Alpert Medical School of Brown University, Providence, Rhode Island
| | - D Roy
- Centre Hospitalier de l'Université de Montréal (A.P., D.R.), Montreal, Quebec, Canada
| | - J Rempel
- University of Alberta Hospital (J.R., B.B.), Edmonton, Alberta, Canada
| | - B Buck
- University of Alberta Hospital (J.R., B.B.), Edmonton, Alberta, Canada
| | | | - M Goyal
- Department of Clinical Neurosciences (J.M.O., M.D.H., B.K.M., A.D., W.Q., A.M., M.A., C.Z., M.G.), University of Calgary, Calgary, Alberta, Canada .,Department of Radiology (M.D.H., B.K.M., A.D., M.A., M. Joshi, M.G.), University of Calgary, Calgary, Alberta, Canada
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Singh N, Marko M, Ospel JM, Goyal M, Almekhlafi M. The Risk of Stroke and TIA in Nonstenotic Carotid Plaques: A Systematic Review and Meta-Analysis. AJNR Am J Neuroradiol 2020; 41:1453-1459. [PMID: 32646945 DOI: 10.3174/ajnr.a6613] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 04/29/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Severe carotid stenosis carries a high risk of stroke. However, the risk of stroke with nonstenotic carotid plaques (<50%) is increasingly recognized. PURPOSE We aimed to summarize the risk of TIA or stroke in patients with nonstenotic carotid plaques. DATA SOURCES We performed a comprehensive systematic review and meta-analysis in patients with acute ischemic stroke in whom carotid imaging was performed using MEDLINE and the Cochrane Database, including studies published up to December 2019. STUDY SELECTION Included studies had >10 patients with <50% carotid plaques on any imaging technique and reported the incidence or recurrence of ischemic stroke/TIA. High-risk plaque features and the risk of progression to stenosis >50% were extracted if reported. DATA SYNTHESIS We identified 31 studies reporting on the risk of ipsilateral stroke/TIA in patients with nonstenotic carotid plaques. Twenty-five studies (n = 13,428 participants) reported on first-ever stroke/TIA and 6 studies (n = 122 participants) reported on the recurrence of stroke/TIA. DATA ANALYSIS The incidence of first-ever ipsilateral stroke/TIA was 0.5/100 person-years. The risk of recurrent stroke/TIA was 2.6/100 person-years and increased to 4.9/100 person-years if intraplaque hemorrhage was present. The risk of progression to severe stenosis (>50%) was 2.9/100 person-years (8 studies, n = 448 participants). LIMITATIONS Included studies showed heterogeneity in reporting stroke etiology, the extent of stroke work-up, imaging modalities, and classification systems used for characterizing carotid stenosis. CONCLUSIONS The risk of recurrent stroke/TIA in nonstenotic carotid plaques is not negligible, especially in the presence of high-risk plaque features. Further research is needed to better define the significance of nonstenotic carotid plaques for stroke etiology.
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Affiliation(s)
- N Singh
- From the Departments of Clinical Neurosciences (N.S., M.M., J.M.O., M.G., M.A.), and Diagnostic Imaging (M.G., M.A.), Foothills Medical Center, University of Calgary, Calgary, Alberta, Canada
| | - M Marko
- From the Departments of Clinical Neurosciences (N.S., M.M., J.M.O., M.G., M.A.), and Diagnostic Imaging (M.G., M.A.), Foothills Medical Center, University of Calgary, Calgary, Alberta, Canada.,Department of Neurology (M.M.), Medical University of Vienna, Vienna, Austria
| | - J M Ospel
- From the Departments of Clinical Neurosciences (N.S., M.M., J.M.O., M.G., M.A.), and Diagnostic Imaging (M.G., M.A.), Foothills Medical Center, University of Calgary, Calgary, Alberta, Canada.,Department of Radiology (J.M.O.), University Hospital of Basel, Basel, Switzerland
| | - M Goyal
- From the Departments of Clinical Neurosciences (N.S., M.M., J.M.O., M.G., M.A.), and Diagnostic Imaging (M.G., M.A.), Foothills Medical Center, University of Calgary, Calgary, Alberta, Canada
| | - M Almekhlafi
- From the Departments of Clinical Neurosciences (N.S., M.M., J.M.O., M.G., M.A.), and Diagnostic Imaging (M.G., M.A.), Foothills Medical Center, University of Calgary, Calgary, Alberta, Canada
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Ospel JM, Kashani N, Fischer U, Menon BK, Almekhlafi M, Wilson AT, Foss MM, Saposnik G, Goyal M, Hill MD. How Do Physicians Approach Intravenous Alteplase Treatment in Patients with Acute Ischemic Stroke Who Are Eligible for Intravenous Alteplase and Endovascular Therapy? Insights from UNMASK-EVT. AJNR Am J Neuroradiol 2020; 41:262-267. [PMID: 31974081 DOI: 10.3174/ajnr.a6396] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 12/11/2019] [Indexed: 01/01/2023]
Abstract
BACKGROUND AND PURPOSE With increasing use of endovascular therapy, physicians' attitudes toward intravenous alteplase in endovascular therapy-eligible patients may be changing. We explored current intravenous alteplase treatment practices of physicians in endovascular therapy- and alteplase-eligible patients with acute stroke using prespecified case scenarios and compared how their current local treatment practices differ compared with an assumed ideal environment. MATERIALS AND METHODS In an international multidisciplinary survey, 607 physicians involved in acute stroke care were randomly assigned 10 of 22 case scenarios, among them 14 with guideline-based alteplase recommendations (9 with level 1A and 5 with level 2B recommendation) and were asked how they would treat the patient: A) under their current local resources, and B) under assumed ideal conditions. Answer options were the following: 1) anticoagulation/antiplatelet therapy, 2) endovascular therapy, 3) endovascular therapy plus intravenous alteplase, and 4) intravenous alteplase. Decision rates were calculated, and multivariable regression analysis was performed to determine variables associated with the decision to abandon intravenous alteplase. RESULTS In cases with guideline recommendations for alteplase, physicians favored alteplase in 82.0% under current local resources and in 79.3% under assumed ideal conditions (P < .001). Under assumed ideal conditions, interventional neuroradiologists would refrain from intravenous alteplase most often (6.28%, OR = 2.40; 95% CI, 1.01-5.71). When physicians' current and ideal decisions differed, most would like to add endovascular therapy to intravenous alteplase in an ideal setting (196/3861 responses, 5.1%). CONCLUSIONS In patients eligible for endovascular therapy and intravenous alteplase, we observed a slightly lower decision rate in favor of intravenous alteplase under assumed ideal conditions compared with the decision rate under current local resources.
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Affiliation(s)
- J M Ospel
- From the Departments of Clinical Neurosciences (J.M.O., B.K.M., M.A., A.T.W., M.M.F., M.G., M.D.H.)
- Division of Neuroradiology (J.M.O.), Clinic of Radiology and Nuclear Medicine, University Hospital Basel, University of Basel, Basel, Switzerland
| | - N Kashani
- Radiology (N.K., B.K.M., M.A., M.G., M.D.H.), University of Calgary, Calgary, Alberta, Canada
| | - U Fischer
- University Hospital Bern (U.F.), Inselspital, University of Bern, Bern, Switzerland
| | - B K Menon
- From the Departments of Clinical Neurosciences (J.M.O., B.K.M., M.A., A.T.W., M.M.F., M.G., M.D.H.)
- Radiology (N.K., B.K.M., M.A., M.G., M.D.H.), University of Calgary, Calgary, Alberta, Canada
| | - M Almekhlafi
- From the Departments of Clinical Neurosciences (J.M.O., B.K.M., M.A., A.T.W., M.M.F., M.G., M.D.H.)
- Radiology (N.K., B.K.M., M.A., M.G., M.D.H.), University of Calgary, Calgary, Alberta, Canada
| | - A T Wilson
- From the Departments of Clinical Neurosciences (J.M.O., B.K.M., M.A., A.T.W., M.M.F., M.G., M.D.H.)
| | - M M Foss
- From the Departments of Clinical Neurosciences (J.M.O., B.K.M., M.A., A.T.W., M.M.F., M.G., M.D.H.)
| | - G Saposnik
- Division of Neurology (G.S.), Department of Medicine, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - M Goyal
- From the Departments of Clinical Neurosciences (J.M.O., B.K.M., M.A., A.T.W., M.M.F., M.G., M.D.H.)
- Radiology (N.K., B.K.M., M.A., M.G., M.D.H.), University of Calgary, Calgary, Alberta, Canada
| | - M D Hill
- From the Departments of Clinical Neurosciences (J.M.O., B.K.M., M.A., A.T.W., M.M.F., M.G., M.D.H.)
- Radiology (N.K., B.K.M., M.A., M.G., M.D.H.), University of Calgary, Calgary, Alberta, Canada
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Almekhlafi M, Ospel JM, Saposnik G, Kashani N, Demchuk A, Hill MD, Goyal M, Menon BK. Endovascular Treatment Decisions in Patients with M2 Segment MCA Occlusions. AJNR Am J Neuroradiol 2020; 41:280-285. [PMID: 32001443 DOI: 10.3174/ajnr.a6397] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 12/09/2019] [Indexed: 01/01/2023]
Abstract
BACKGROUND AND PURPOSE Endovascular therapy in acute ischemic stroke is rapidly evolving. We explored physicians' treatment attitudes and practice in patients with acute ischemic stroke due to M2 occlusion, given the absence of Level-1 guidelines. MATERIALS AND METHODS We conducted an international multidisciplinary survey among physicians involved in acute stroke care. Respondents were presented with 10 of 22 case scenarios (4 with proximal M2 occlusions and 1 with a small-branch M2 occlusion) and asked about their treatment approach under A) current local resources, and B) assumed ideal conditions (no monetary or infrastructural restraints). Overall treatment decisions were evaluated; subgroup analyses by physician and patient baseline characteristics were performed. RESULTS A total of 607 physicians participated. Most of the respondents decided in favor of endovascular therapy in M2 occlusions, both under current local resources and assumed ideal conditions (65.4% versus 69.6%; P = .017). Under current local resources, older patient age (P < .001), longer time since symptom onset (P < .001), high center endovascular therapy volume (P < .001), high personal endovascular therapy volume (P = .005), and neurosurgeons (P < .001) were more likely to favor endovascular therapy. European respondents were less likely to favor endovascular therapy (P = .001). Under assumed ideal conditions, older patient age (P < .001), longer time since symptom onset (P < .001), high center endovascular therapy volume (P = .041), high personal endovascular therapy volume (P = .002), and Asian respondents were more likely to favor endovascular therapy (P = .037). Respondents with more experience (P = .048) and high annual stroke thrombolysis treatment volume (P = .001) were less likely to favor endovascular therapy. CONCLUSIONS Patients with M2 occlusions are considered appropriate candidates for endovascular therapy by most respondents in this survey, especially by those performing endovascular therapy more often and those practicing in high-volume centers.
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Affiliation(s)
- M Almekhlafi
- From the Department of Clinical Neurosciences (M.A., J.M.O., A.D., M.D.H., M.G., B.K.M.), Hotchkiss Brain Institute.,and Departments of Radiology (M.A., N.K., A.D., M.D.H., M.G., B.K.M.) and.,Community Health Sciences (M.A., M.D.H., B.K.M.), University of Calgary, Calgary, Alberta, Canada
| | - J M Ospel
- From the Department of Clinical Neurosciences (M.A., J.M.O., A.D., M.D.H., M.G., B.K.M.), Hotchkiss Brain Institute.,Department of Radiology (J.M.O.), University Hospital Basel, University Basel, Basel, Switzerland
| | - G Saposnik
- and Stroke Outcomes and Decision Neuroscience Research Unit (G.S.), Department of Medicine.,Li Ka Shing Knowledge Institute (G.S.), St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - N Kashani
- and Departments of Radiology (M.A., N.K., A.D., M.D.H., M.G., B.K.M.) and
| | - A Demchuk
- From the Department of Clinical Neurosciences (M.A., J.M.O., A.D., M.D.H., M.G., B.K.M.), Hotchkiss Brain Institute.,and Departments of Radiology (M.A., N.K., A.D., M.D.H., M.G., B.K.M.) and
| | - M D Hill
- From the Department of Clinical Neurosciences (M.A., J.M.O., A.D., M.D.H., M.G., B.K.M.), Hotchkiss Brain Institute.,and Departments of Radiology (M.A., N.K., A.D., M.D.H., M.G., B.K.M.) and.,Community Health Sciences (M.A., M.D.H., B.K.M.), University of Calgary, Calgary, Alberta, Canada
| | - M Goyal
- From the Department of Clinical Neurosciences (M.A., J.M.O., A.D., M.D.H., M.G., B.K.M.), Hotchkiss Brain Institute.,and Departments of Radiology (M.A., N.K., A.D., M.D.H., M.G., B.K.M.) and
| | - B K Menon
- From the Department of Clinical Neurosciences (M.A., J.M.O., A.D., M.D.H., M.G., B.K.M.), Hotchkiss Brain Institute .,and Departments of Radiology (M.A., N.K., A.D., M.D.H., M.G., B.K.M.) and.,Community Health Sciences (M.A., M.D.H., B.K.M.), University of Calgary, Calgary, Alberta, Canada
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Al-Rukn S, Mazya M, Akhtar N, Hashim H, Mansouri B, Faouzi B, Aref H, Abdulrahman H, Kesraoui S, Hentati F, Gebelly S, Ahmed N, Wahlgren N, Abd-Allah F, Almekhlafi M, Moreira T. Stroke in the Middle-East and North Africa: A 2-year prospective observational study of intravenous thrombolysis treatment in the region. Results from the SITS-MENA Registry. Int J Stroke 2019; 15:980-987. [PMID: 31594533 DOI: 10.1177/1747493019874729] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND AND METHODS Intravenous thrombolysis for acute ischemic stroke in the Middle-East and North African (MENA) countries is still confined to the main urban and university hospitals. This was a prospective observational study to examine outcomes of intravenous thrombolysis-treated stroke patients in the MENA region compared to the non-MENA stroke cohort in the SITS International Registry. RESULTS Of 32,160 patients with ischemic stroke registered using the SITS intravenous thrombolysis protocol between June 2014 and May 2016, 500 (1.6%) were recruited in MENA. Compared to non-MENA (all p < 0.001), median age in MENA was 55 versus 73 years, NIH Stroke Scale score 12 versus 9, onset-to-treatment time 138 versus 155 min and door-to-needle time 54 min versus 64 min. Hypertension was the most reported risk factor, but lower in MENA (51.7 vs. 69.7%). Diabetes was more frequent in MENA (28.5 vs. 20.8%) as well as smoking (20.8 vs. 15.9%). Hyperlipidemia was less observed in MENA (17.6 vs. 29.3%). Functional independence (mRS 0-2) at seven days or discharge was similar (53% vs. 52% in non-MENA), with mortality slightly lower in MENA (2.3% vs. 4.8%). SICH rates by SITS-MOST definition were low (<1.4%) in both groups. CONCLUSIONS Intravenous thrombolysis patients in MENA were younger, had more severe strokes and more often diabetes. Although stroke severity was higher in MENA, short-term functional independency and mortality were not worse compared to non-MENA, which could partly be explained by younger age and shorter OTT in MENA. Decreasing the burden of stroke in this young population should be prioritized.
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Affiliation(s)
- S Al-Rukn
- Department of Neurology, 62743Rashid Hospital - Dubai Health Authority, Dubai, United Arab Emirates
| | - M Mazya
- Department of Neurology, 59562Karolinska University Hospital, Stockholm, Sweden.,Department of Clinical Neurosciences, 27106Karolinska Institutet, Stockholm, Sweden
| | - N Akhtar
- 62849Hamad General Hospital, Section of Neurology, Doha, Qatar
| | - H Hashim
- Department of Neurology, 62743Rashid Hospital - Dubai Health Authority, Dubai, United Arab Emirates
| | - B Mansouri
- Department of Neurology, Imam Husain Hospital, Tehran, Iran
| | - B Faouzi
- Department of Neurology, Hassan II University Hospital, Fez, Morocco
| | - H Aref
- 68791Ain Shams University, Stroke Unit, Cairo, Egypt
| | - H Abdulrahman
- Department of Neurology, 48168King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - S Kesraoui
- Department of Neurology, CHU de Blida - Hôpital Franz Fanon, Blida, Algeria
| | - F Hentati
- Department of Neurology, Mongi Ben Hamida National Institute of Neurology, Tunis, Tunisia
| | - S Gebelly
- Faculty of Medical Sciences - Lebanese University, Neurology Division, Hadath, Lebanon
| | - N Ahmed
- Department of Neurology, 59562Karolinska University Hospital, Stockholm, Sweden.,Department of Clinical Neurosciences, 27106Karolinska Institutet, Stockholm, Sweden
| | - N Wahlgren
- Department of Clinical Neurosciences, 27106Karolinska Institutet, Stockholm, Sweden
| | - F Abd-Allah
- Department of Neurology, Cairo University, Cairo, Egypt
| | - M Almekhlafi
- Department of Neurology, 37848King Abdulaziz University, Jeddah, Saudi Arabia
| | - T Moreira
- Department of Neurology, 59562Karolinska University Hospital, Stockholm, Sweden.,Department of Clinical Neurosciences, 27106Karolinska Institutet, Stockholm, Sweden
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Román LS, Menon BK, Blasco J, Hernández-Pérez M, Dávalos A, Majoie CBLM, Campbell BCV, Guillemin F, Lingsma H, Anxionnat R, Epstein J, Saver JL, Marquering H, Wong JH, Lopes D, Reimann G, Desal H, Dippel DWJ, Coutts S, du Mesnil de Rochemont R, Yavagal D, Ferre JC, Roos YBWEM, Liebeskind DS, Lenthall R, Molina C, Al Ajlan FS, Reddy V, Dowlatshahi D, Sourour NA, Oppenheim C, Mitha AP, Davis SM, Weimar C, van Oostenbrugge RJ, Cobo E, Kleinig TJ, Donnan GA, van der Lugt A, Demchuk AM, Berkhemer OA, Boers AMM, Ford GA, Muir KW, Brown BS, Jovin T, van Zwam WH, Mitchell PJ, Hill MD, White P, Bracard S, Goyal M, Berkhemer OA, Fransen PSS, Beumer D, van den Berg LA, Lingsma HF, Yoo AJ, Schonewille WJ, Vos JA, Nederkoorn PJ, Wermer MJH, van Walderveen MAA, Staals J, Hofmeijer J, van Oostayen JA, Lycklama à Nijeholt GJ, Boiten J, Brouwer PA, Emmer BJ, de Bruijn SF, van Dijk LC, Kappelle J, Lo RH, van Dijk EJ, de Vries J, de Kort PL, van Rooij WJJ, van den Berg JS, van Hasselt BA, Aerden LA, Dallinga RJ, Visser MC, Bot JC, Vroomen PC, Eshghi O, Schreuder TH, Heijboer RJ, Keizer K, Tielbeek AV, den Hertog HM, Gerrits DG, van den Berg-Vos RM, Karas GB, Steyerberg EW, Flach Z, Marquering HA, Sprengers ME, Jenniskens SF, Beenen LF, Zech M, Kowarik M, Seifert C, Schwaiger B, Puri A, Hou S, Wakhloo A, Moonis M, Henniger N, Goddeau R, van den Berg R, Massari F, Minaeian A, Lozano JD, Ramzan M, Stout C, Patel A, Tunguturi A, Onteddu S, Carandang R, Howk M, Koudstaal PJ, Ribó M, Sanjuan E, Rubiera M, Pagola J, Flores A, Muchada M, Meler P, Huerga E, Gelabert S, Coscojuela P, van Zwam WH, Tomasello A, Rodriguez D, Santamarina E, Maisterra O, Boned S, Seró L, Rovira A, Molina CA, Millán M, Muñoz L, Roos YB, Pérez de la Ossa N, Gomis M, Dorado L, López-Cancio E, Palomeras E, Munuera J, García Bermejo P, Remollo S, Castaño C, García-Sort R, van der Lugt A, Cuadras P, Puyalto P, Hernández-Pérez M, Jiménez M, Martínez-Piñeiro A, Lucente G, Dávalos A, Chamorro A, Urra X, Obach V, van Oostenbrugge RJ, Cervera A, Amaro S, Llull L, Codas J, Balasa M, Navarro J, Ariño H, Aceituno A, Rudilosso S, Renu A, Majoie CB, Macho JM, San Roman L, Blasco J, López A, Macías N, Cardona P, Quesada H, Rubio F, Cano L, Lara B, Dippel DW, de Miquel MA, Aja L, Serena J, Cobo E, Albers GW, Lees KR, Arenillas J, Roberts R, Minhas P, Al-Ajlan F, Brown MM, Salluzzi M, Zimmel L, Patel S, Eesa M, Martí-Fàbregas J, Jankowitz B, Serena J, Salvat-Plana M, López-Cancio E, Bracard S, Liebig T, Ducrocq X, Anxionnat R, Baillot PA, Barbier C, Derelle AL, Lacour JC, Richard S, Samson Y, Sourour N, Baronnet-Chauvet F, Stijnen T, Clarencon F, Crozier S, Deltour S, Di Maria F, Le Bouc R, Leger A, Mutlu G, Rosso C, Szatmary Z, Yger M, Andersson T, Zavanone C, Bakchine S, Pierot L, Caucheteux N, Estrade L, Kadziolka K, Leautaud A, Renkes C, Serre I, Desal H, Mattle H, Guillon B, Boutoleau-Bretonniere C, Daumas-Duport B, De Gaalon S, Derkinderen P, Evain S, Herisson F, Laplaud DA, Lebouvier T, Lintia-Gaultier A, Wahlgren N, Pouclet-Courtemanche H, Rouaud T, Rouaud Jaffrenou V, Schunck A, Sevin-Allouet M, Toulgoat F, Wiertlewski S, Gauvrit JY, Ronziere T, Cahagne V, van der Heijden E, Ferre JC, Pinel JF, Raoult H, Mas JL, Meder JF, Al Najjar-Carpentier AA, Birchenall J, Bodiguel E, Calvet D, Domigo V, Ghannouti N, Godon-Hardy S, Guiraud V, Lamy C, Majhadi L, Morin L, Naggara O, Trystram D, Turc G, Berge J, Sibon I, Fleitour N, Menegon P, Barreau X, Rouanet F, Debruxelles S, Kazadi A, Renou P, Fleury O, Pasco-Papon A, Dubas F, Caroff J, Hooijenga I, Godard Ducceschi S, Hamon MA, Lecluse A, Marc G, Giroud M, Ricolfi F, Bejot Y, Chavent A, Gentil A, Kazemi A, Puppels C, Osseby GV, Voguet C, Mahagne MH, Sedat J, Chau Y, Suissa L, Lachaud S, Houdart E, Stapf C, Buffon Porcher F, Pellikaan W, Chabriat H, Guedin P, Herve D, Jouvent E, Mawet J, Saint-Maurice JP, Schneble HM, Turjman F, Nighoghossian N, Berhoune NN, Geerling A, Bouhour F, Cho TH, Derex L, Felix S, Gervais-Bernard H, 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Vuillier F, Courtheoux P, Viader F, Apoil-Brissard M, Bataille M, Bonnet AL, Cogez J, Kazemi A, Touze E, Licher S, Leclerc X, Leys D, Aggour M, Aguettaz P, Bodenant M, Cordonnier C, Deplanque D, Girot M, Henon H, Kalsoum E, Boodt N, Lucas C, Pruvo JP, Zuniga P, Bonafé A, Arquizan C, Costalat V, Machi P, Mourand I, Riquelme C, Bounolleau P, Ros A, Arteaga C, Faivre A, Bintner M, Tournebize P, Charlin C, Darcel F, Gauthier-Lasalarie P, Jeremenko M, Mouton S, Zerlauth JB, Venema E, Lamy C, Hervé D, Hassan H, Gaston A, Barral FG, Garnier P, Beaujeux R, Wolff V, Herbreteau D, Debiais S, Slokkers I, Murray A, Ford G, Muir KW, White P, Brown MM, Clifton A, Freeman J, Ford I, Markus H, Wardlaw J, Ganpat RJ, Lees KR, Molyneux A, Robinson T, Lewis S, Norrie J, Robertson F, Perry R, Dixit A, Cloud G, Clifton A, Mulder M, Madigan J, Roffe C, Nayak S, Lobotesis K, Smith C, Herwadkar A, Kandasamy N, Goddard T, Bamford J, Subramanian G, Saiedie N, Lenthall R, Littleton E, Lamin S, Storey K, Ghatala R, Banaras A, Aeron-Thomas J, Hazel B, Maguire H, Veraque E, Heshmatollah A, Harrison L, Keshvara R, Cunningham J, Schipperen S, Vinken S, van Boxtel T, Koets J, Boers M, Santos E, Borst J, Jansen I, Kappelhof M, Lucas M, Geuskens R, Barros RS, Dobbe R, Csizmadia M, Hill MD, Goyal M, Demchuk AM, Menon BK, Eesa M, Ryckborst KJ, Wright MR, Kamal NR, Andersen L, Randhawa PA, Stewart T, Patil S, Minhas P, Almekhlafi M, Mishra S, Clement F, Sajobi T, Shuaib A, Montanera WJ, Roy D, Silver FL, Jovin TG, Frei DF, Sapkota B, Rempel JL, Thornton J, Williams D, Tampieri D, Poppe AY, Dowlatshahi D, Wong JH, Mitha AP, Subramaniam S, Hull G, Lowerison MW, Sajobi T, Salluzzi M, Wright MR, Maxwell M, Lacusta S, Drupals E, Armitage K, Barber PA, Smith EE, Morrish WF, Coutts SB, Derdeyn C, Demaerschalk B, Yavagal D, Martin R, Brant R, Yu Y, Willinsky RA, Montanera WJ, Weill A, Kenney C, Aram H, Stewart T, Stys PK, Watson TW, Klein G, Pearson D, Couillard P, Trivedi A, Singh D, Klourfeld E, Imoukhuede O, Nikneshan D, Blayney S, Reddy R, Choi P, Horton M, Musuka T, Dubuc V, Field TS, Desai J, Adatia S, Alseraya A, Nambiar V, van Dijk R, Wong JH, Mitha AP, Morrish WF, Eesa M, Newcommon NJ, Shuaib A, Schwindt B, Butcher KS, Jeerakathil T, Buck B, Khan K, Naik SS, Emery DJ, Owen RJ, Kotylak TB, Ashforth RA, Yeo TA, McNally D, Siddiqui M, Saqqur M, Hussain D, Kalashyan H, Manosalva A, Kate M, Gioia L, Hasan S, Mohammad A, Muratoglu M, Williams D, Thornton J, Cullen A, Brennan P, O'Hare A, Looby S, Hyland D, Duff S, McCusker M, Hallinan B, Lee S, McCormack J, Moore A, O'Connor M, Donegan C, Brewer L, Martin A, Murphy S, O'Rourke K, Smyth S, Kelly P, Lynch T, Daly T, O'Brien P, O'Driscoll A, Martin M, Daly T, Collins R, Coughlan T, McCabe D, Murphy S, O'Neill D, Mulroy M, Lynch O, Walsh T, O'Donnell M, Galvin T, Harbison J, McElwaine P, Mulpeter K, McLoughlin C, Reardon M, Harkin E, Dolan E, Watts M, Cunningham N, Fallon C, Gallagher S, Cotter P, Crowe M, Doyle R, Noone I, Lapierre M, Coté VA, Lanthier S, Odier C, Durocher A, Raymond J, Weill A, Daneault N, Deschaintre Y, Jankowitz B, Baxendell L, Massaro L, Jackson-Graves C, Decesare S, Porter P, Armbruster K, Adams A, Billigan J, Oakley J, Ducruet A, Jadhav A, Giurgiutiu DV, Aghaebrahim A, Reddy V, Hammer M, Starr M, Totoraitis V, Wechsler L, Streib S, Rangaraju S, Campbell D, Rocha M, Gulati D, Silver FL, Krings T, Kalman L, Cayley A, Williams J, Stewart T, Wiegner R, Casaubon LK, Jaigobin C, del Campo JM, Elamin E, Schaafsma JD, Willinsky RA, Agid R, Farb R, ter Brugge K, Sapkoda BL, Baxter BW, Barton K, Knox A, Porter A, Sirelkhatim A, Devlin T, Dellinger C, Pitiyanuvath N, Patterson J, Nichols J, Quarfordt S, Calvert J, Hawk H, Fanale C, Frei DF, Bitner A, Novak A, Huddle D, Bellon R, Loy D, Wagner J, Chang I, Lampe E, Spencer B, Pratt R, Bartt R, Shine S, Dooley G, Nguyen T, Whaley M, McCarthy K, Teitelbaum J, Tampieri D, Poon W, Campbell N, Cortes M, Dowlatshahi D, Lum C, Shamloul R, Robert S, Stotts G, Shamy M, Steffenhagen N, Blacquiere D, Hogan M, AlHazzaa M, Basir G, Lesiuk H, Iancu D, Santos M, Choe H, Weisman DC, Jonczak K, Blue-Schaller A, Shah Q, MacKenzie L, Klein B, Kulandaivel K, Kozak O, Gzesh DJ, Harris LJ, Khoury JS, Mandzia J, Pelz D, Crann S, Fleming L, Hesser K, Beauchamp B, Amato-Marzialli B, Boulton M, Lopez-Ojeda P, Sharma M, Lownie S, Chan R, Swartz R, Howard P, Golob D, Gladstone D, Boyle K, Boulos M, Hopyan J, Yang V, Da Costa L, Holmstedt CA, Turk AS, Navarro R, Jauch E, Ozark S, Turner R, Phillips S, Shankar J, Jarrett J, Gubitz G, Maloney W, Vandorpe R, Schmidt M, Heidenreich J, Hunter G, Kelly M, Whelan R, Peeling L, Burns PA, Hunter A, Wiggam I, Kerr E, Watt M, Fulton A, Gordon P, Rennie I, Flynn P, Smyth G, O'Leary S, Gentile N, Linares G, McNelis P, Erkmen K, Katz P, Azizi A, Weaver M, Jungreis C, Faro S, Shah P, Reimer H, Kalugdan V, Saposnik G, Bharatha A, Li Y, Kostyrko P, Santos M, Marotta T, Montanera W, Sarma D, Selchen D, Spears J, Heo JH, Jeong K, Kim DJ, Kim BM, Kim YD, Song D, Lee KJ, Yoo J, Bang OY, Rho S, Lee J, Jeon P, Kim KH, Cha J, Kim SJ, Ryoo S, Lee MJ, Sohn SI, Kim CH, Ryu HG, Hong JH, Chang HW, Lee CY, Rha J, Davis SM, Donnan GA, Campbell BCV, Mitchell PJ, Churilov L, Yan B, Dowling R, Yassi N, Oxley TJ, Wu TY, Silver G, McDonald A, McCoy R, Kleinig TJ, Scroop R, Dewey HM, Simpson M, Brooks M, Coulton B, Krause M, Harrington TJ, Steinfort B, Faulder K, Priglinger M, Day S, Phan T, Chong W, Holt M, Chandra RV, Ma H, Young D, Wong K, Wijeratne T, Tu H, Mackay E, Celestino S, Bladin CF, Loh PS, Gilligan A, Ross Z, Coote S, Frost T, Parsons MW, Miteff F, Levi CR, Ang T, Spratt N, Kaauwai L, Badve M, Rice H, de Villiers L, Barber PA, McGuinness B, Hope A, Moriarty M, Bennett P, Wong A, Coulthard A, Lee A, Jannes J, Field D, Sharma G, Salinas S, Cowley E, Snow B, Kolbe J, Stark R, King J, Macdonnell R, Attia J, D'Este C, Saver JL, Goyal M, Diener HC, Levy EI, Bonafé A, Mendes Pereira V, Jahan R, Albers GW, Cognard C, Cohen DJ, Hacke W, Jansen O, Jovin TG, Mattle HP, Nogueira RG, Siddiqui AH, Yavagal DR, von Kummer R, Smith W, Turjman F, Hamilton S, Chiacchierini R, Amar A, Sanossian N, Loh Y, Devlin T, Baxter B, Hawk H, Sapkota B, Quarfordt S, Sirelkhatim A, Dellinger C, Barton K, Reddy VK, Ducruet A, Jadhav A, Horev A, Giurgiutiu DV, Totoraitis V, Hammer M, Jankowitz B, Wechsler L, Rocha M, Gulati D, Campbell D, Star M, Baxendell L, Oakley J, Siddiqui A, Hopkins LN, Snyder K, Sawyer R, Hall S, Costalat V, Riquelme C, Machi P, Omer E, Arquizan C, Mourand I, Charif M, Ayrignac X, Menjot de Champfleur N, Leboucq N, Gascou G, Moynier M, du Mesnil de Rochemont R, Singer O, Berkefeld J, Foerch C, Lorenz M, Pfeilschifer W, Hattingen E, Wagner M, You SJ, Lescher S, Braun H, Dehkharghani S, Belagaje SR, Anderson A, Lima A, Obideen M, Haussen D, Dharia R, Frankel M, Patel V, Owada K, Saad A, Amerson L, Horn C, Doppelheuer S, Schindler K, Lopes DK, Chen M, Moftakhar R, Anton C, Smreczak M, Carpenter JS, Boo S, Rai A, Roberts T, Tarabishy A, Gutmann L, Brooks C, Brick J, Domico J, Reimann G, Hinrichs K, Becker M, Heiss E, Selle C, Witteler A, Al-Boutros S, Danch MJ, Ranft A, Rohde S, Burg K, Weimar C, Zegarac V, Hartmann C, Schlamann M, Göricke S, Ringlestein A, Wanke I, Mönninghoff C, Dietzold M, Budzik R, Davis T, Eubank G, Hicks WJ, Pema P, Vora N, Mejilla J, Taylor M, Clark W, Rontal A, Fields J, Peterson B, Nesbit G, Lutsep H, Bozorgchami H, Priest R, Ologuntoye O, Barnwell S, Dogan A, Herrick K, Takahasi C, Beadell N, Brown B, Jamieson S, Hussain MS, Russman A, Hui F, Wisco D, Uchino K, Khawaja Z, Katzan I, Toth G, Cheng-Ching E, Bain M, Man S, Farrag A, George P, John S, Shankar L, Drofa A, Dahlgren R, Bauer A, Itreat A, Taqui A, Cerejo R, Richmond A, Ringleb P, Bendszus M, Möhlenbruch M, Reiff T, Amiri H, Purrucker J, Herweh C, Pham M, Menn O, Ludwig I, Acosta I, Villar C, Morgan W, Sombutmai C, Hellinger F, Allen E, Bellew M, Gandhi R, Bonwit E, Aly J, Ecker RD, Seder D, Morris J, Skaletsky M, Belden J, Baker C, Connolly LS, Papanagiotou P, Roth C, Kastrup A, Politi M, Brunner F, Alexandrou M, Merdivan H, Ramsey C, Given II C, Renfrow S, Deshmukh V, Sasadeusz K, Vincent F, Thiesing JT, Putnam J, Bhatt A, Kansara A, Caceves D, Lowenkopf T, Yanase L, Zurasky J, Dancer S, Freeman B, Scheibe-Mirek T, Robison J, Rontal A, Roll J, Clark D, Rodriguez M, Fitzsimmons BFM, Zaidat O, Lynch JR, Lazzaro M, Larson T, Padmore L, Das E, Farrow-Schmidt A, Hassan A, Tekle W, Cate C, Jansen O, Cnyrim C, Wodarg F, Wiese C, Binder A, Riedel C, Rohr A, Lang N, Laufs H, Krieter S, Remonda L, Diepers M, Añon J, Nedeltchev K, Kahles T, Biethahn S, Lindner M, Chang V, Gächter C, Esperon C, Guglielmetti M, Arenillas Lara JF, Martínez Galdámez M, Calleja Sanz AI, Cortijo Garcia E, Garcia Bermejo P, Perez S, Mulero Carrillo P, Crespo Vallejo E, Ruiz Piñero M, Lopez Mesonero L, Reyes Muñoz FJ, Brekenfeld C, Buhk JH, Krützelmann A, Thomalla G, Cheng B, Beck C, Hoppe J, Goebell E, Holst B, Grzyska U, Wortmann G, Starkman S, Duckwiler G, Jahan R, Rao N, Sheth S, Ng K, Noorian A, Szeder V, Nour M, McManus M, Huang J, Tarpley J, Tateshima S, Gonzalez N, Ali L, Liebeskind D, Hinman J, Calderon-Arnulphi M, Liang C, Guzy J, Koch S, DeSousa K, Gordon-Perue G, Haussen D, Elhammady M, Peterson E, Pandey V, Dharmadhikari S, Khandelwal P, Malik A, Pafford R, Gonzalez P, Ramdas K, Andersen G, Damgaard D, Von Weitzel-Mudersbach P, Simonsen C, Ruiz de Morales Ayudarte N, Poulsen M, Sørensen L, Karabegovich S, Hjørringgaard M, Hjort N, Harbo T, Sørensen K, Deshaies E, Padalino D, Swarnkar A, Latorre JG, Elnour E, El-Zammar Z, Villwock M, Farid H, Balgude A, Cross L, Hansen K, Holtmannspötter M, Kondziella D, Hoejgaard J, Taudorf S, Soendergaard H, Wagner A, Cronquist M, Stavngaard T, Cortsen M, Krarup LH, Hyldal T, Haring HP, Guggenberger S, Hamberger M, Trenkler J, Sonnberger M, Nussbaumer K, Dominger C, Bach E, Jagadeesan BD, Taylor R, Kim J, Shea K, Tummala R, Zacharatos H, Sandhu D, Ezzeddine M, Grande A, Hildebrandt D, Miller K, Scherber J, Hendrickson A, Jumaa M, Zaidi S, Hendrickson T, Snyder V, Killer-Oberpfalzer M, Mutzenbach J, Weymayr F, Broussalis E, Stadler K, Jedlitschka A, Malek A, Mueller-Kronast N, Beck P, Martin C, Summers D, Day J, Bettinger I, Holloway W, Olds K, Arkin S, Akhtar N, Boutwell C, Crandall S, Schwartzman M, Weinstein C, Brion B, Prothmann S, Kleine J, Kreiser K, Boeckh-Behrens T, Poppert H, Wunderlich S, Koch ML, Biberacher V, Huberle A, Gora-Stahlberg G, Knier B, Meindl T, Utpadel-Fischler D. Imaging features and safety and efficacy of endovascular stroke treatment: a meta-analysis of individual patient-level data. Lancet Neurol 2018; 17:895-904. [DOI: 10.1016/s1474-4422(18)30242-4] [Citation(s) in RCA: 213] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 06/11/2018] [Accepted: 06/12/2018] [Indexed: 11/29/2022]
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Weymayr F, Broussalis E, Stadler K, Jedlitschka A, Malek A, Mueller-Kronast N, Beck P, Martin C, Summers D, Day J, Bettinger I, Holloway W, Olds K, Arkin S, Akhtar N, Boutwell C, Crandall S, Schwartzman M, Weinstein C, Brion B, Prothmann S, Kleine J, Kreiser K, Boeckh-Behrens T, Poppert H, Wunderlich S, Koch ML, Biberacher V, Huberle A, Gora-Stahlberg G, Knier B, Meindl T, Utpadel-Fischler D, Zech M, Kowarik M, Seifert C, Schwaiger B, Puri A, Hou S. Effect of general anaesthesia on functional outcome in patients with anterior circulation ischaemic stroke having endovascular thrombectomy versus standard care: a meta-analysis of individual patient data. Lancet Neurol 2018; 17:47-53. [DOI: 10.1016/s1474-4422(17)30407-6] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 10/05/2017] [Accepted: 10/11/2017] [Indexed: 10/18/2022]
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Mishra SM, Dykeman J, Sajobi TT, Trivedi A, Almekhlafi M, Sohn SI, Bal S, Qazi E, Calleja A, Eesa M, Goyal M, Demchuk AM, Menon BK. Early reperfusion rates with IV tPA are determined by CTA clot characteristics. AJNR Am J Neuroradiol 2014; 35:2265-72. [PMID: 25059699 DOI: 10.3174/ajnr.a4048] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE An ability to predict early reperfusion with IV tPA in patients with acute ischemic stroke and intracranial clots can help clinicians decide if additional intra-arterial therapy is needed or not. We explored the association between novel clot characteristics on baseline CTA and early reperfusion with IV tPA in patients with acute ischemic stroke by using classification and regression tree analysis. MATERIALS AND METHODS Data are from patients with acute ischemic stroke and proximal anterior circulation occlusions from the Calgary CTA data base (2003-2012) and the Keimyung Stroke Registry (2005-2009). Patients receiving IV tPA followed by intra-arterial therapy were included. Clot location, length, residual flow within the clot, ratio of contrast Hounsfield units pre- and postclot, and the M1 segment origin to the proximal clot interface distance were assessed on baseline CTA. Early reperfusion (TICI 2a and above) with IV tPA was assessed on the first angiogram. RESULTS Two hundred twenty-eight patients (50.4% men; median age, 69 years; median baseline NIHSS score, 17) fulfilled the inclusion criteria. Median symptom onset to IV tPA time was 120 minutes (interquartile range = 70 minutes); median IV tPA to first angiography time was 70.5 minutes (interquartile range = 62 minutes). Patients with residual flow within the clot were 5 times more likely to reperfuse than those without it. Patients with residual flow and a shorter clot length (≤15 mm) were most likely to reperfuse (70.6%). Patients with clots in the M1 MCA without residual flow reperfused more if clots were distal and had a clot interface ratio in Hounsfield units of <2 (36.8%). Patients with proximal M1 clots without residual flow reperfused 8% of the time. Carotid-T/-L occlusions rarely reperfused (1.7%). Interrater reliability for these clot characteristics was good. CONCLUSIONS Our study shows that clot characteristics on CTA help physicians estimate a range of early reperfusion rates with IV tPA.
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Affiliation(s)
- S M Mishra
- From the Departments of Clinical Neurosciences (S.M.M., T.T.S., A.T., M.A., E.Q., M.E., M.G., A.M.D., B.K.M.)
| | - J Dykeman
- Radiology (J.D., M.A., M.E., M.G., A.M.D., B.K.M.)
| | - T T Sajobi
- From the Departments of Clinical Neurosciences (S.M.M., T.T.S., A.T., M.A., E.Q., M.E., M.G., A.M.D., B.K.M.) Community Health Sciences (T.T.S., B.K.M.), University of Calgary, Calgary, Alberta, Canada Hotchkiss Brain Institute (T.T.S., M.G., A.M.D., B.K.M.), Calgary, Alberta, Canada
| | - A Trivedi
- From the Departments of Clinical Neurosciences (S.M.M., T.T.S., A.T., M.A., E.Q., M.E., M.G., A.M.D., B.K.M.)
| | - M Almekhlafi
- From the Departments of Clinical Neurosciences (S.M.M., T.T.S., A.T., M.A., E.Q., M.E., M.G., A.M.D., B.K.M.) Radiology (J.D., M.A., M.E., M.G., A.M.D., B.K.M.) Faculty of Medicine (M.A.), King Abdulaziz University, Jeddah, Saudi Arabia Seaman Family MR Center (M.A., E.Q., M.E., M.G., A.M.D., B.K.M.), Calgary, Alberta, Canada
| | - S I Sohn
- Department of Neurology (S.I.S.), Dongsan Medical Center, Keimyung University, Daegu, South Korea
| | - S Bal
- Department of Neurology (S.B.), University of Manitoba, Winnipeg, Manitoba, Canada
| | - E Qazi
- From the Departments of Clinical Neurosciences (S.M.M., T.T.S., A.T., M.A., E.Q., M.E., M.G., A.M.D., B.K.M.) Seaman Family MR Center (M.A., E.Q., M.E., M.G., A.M.D., B.K.M.), Calgary, Alberta, Canada
| | - A Calleja
- Department of Neurology (A.C.), Hospital Clinico Universitario, University of Valladolid, Valladolid, Spain
| | - M Eesa
- From the Departments of Clinical Neurosciences (S.M.M., T.T.S., A.T., M.A., E.Q., M.E., M.G., A.M.D., B.K.M.) Radiology (J.D., M.A., M.E., M.G., A.M.D., B.K.M.) Seaman Family MR Center (M.A., E.Q., M.E., M.G., A.M.D., B.K.M.), Calgary, Alberta, Canada
| | - M Goyal
- From the Departments of Clinical Neurosciences (S.M.M., T.T.S., A.T., M.A., E.Q., M.E., M.G., A.M.D., B.K.M.) Radiology (J.D., M.A., M.E., M.G., A.M.D., B.K.M.) Seaman Family MR Center (M.A., E.Q., M.E., M.G., A.M.D., B.K.M.), Calgary, Alberta, Canada Hotchkiss Brain Institute (T.T.S., M.G., A.M.D., B.K.M.), Calgary, Alberta, Canada
| | - A M Demchuk
- From the Departments of Clinical Neurosciences (S.M.M., T.T.S., A.T., M.A., E.Q., M.E., M.G., A.M.D., B.K.M.) Radiology (J.D., M.A., M.E., M.G., A.M.D., B.K.M.) Seaman Family MR Center (M.A., E.Q., M.E., M.G., A.M.D., B.K.M.), Calgary, Alberta, Canada Hotchkiss Brain Institute (T.T.S., M.G., A.M.D., B.K.M.), Calgary, Alberta, Canada
| | - B K Menon
- From the Departments of Clinical Neurosciences (S.M.M., T.T.S., A.T., M.A., E.Q., M.E., M.G., A.M.D., B.K.M.) Radiology (J.D., M.A., M.E., M.G., A.M.D., B.K.M.) Community Health Sciences (T.T.S., B.K.M.), University of Calgary, Calgary, Alberta, Canada Seaman Family MR Center (M.A., E.Q., M.E., M.G., A.M.D., B.K.M.), Calgary, Alberta, Canada Hotchkiss Brain Institute (T.T.S., M.G., A.M.D., B.K.M.), Calgary, Alberta, Canada.
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Almekhlafi M, Eesa M, Menon B, Demchuk A, Goyal M. E-076 Imaging to endovascular recanalization in less than an hour is feasible. J Neurointerv Surg 2012. [DOI: 10.1136/neurintsurg-2012-010455c.76] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Eesa M, Almekhlafi M, Menon B, Wong J, Demchuk A, Goyal M. P-031 Mechanical thrombectomy with the solitaire device: is there a learning curve toward achieving rapid recanalization times?: Abstract P-031 Figure 1. J Neurointerv Surg 2012. [DOI: 10.1136/neurintsurg-2012-010455b.31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Eesa M, Almekhlafi M, Mitha A, Wong J, Goyal M. E-077 Manual aspiration thrombectomy through balloon-tipped guide catheter for rapid clot burden reduction in endovascular therapy for ICA L/T occlusion: Abstract E-077 Figure 1. J Neurointerv Surg 2012. [DOI: 10.1136/neurintsurg-2012-010455c.77] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Almekhlafi M, Yavin D, Mitha A. O-007 Carotid stent cell design modified the periprocedural outcomes in the stenting arm of randomized trials of carotid revascularization: a meta-analysis: Abstract O-007 Figure 1. J Neurointerv Surg 2012. [DOI: 10.1136/neurintsurg-2012-010455a.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Hinnell C, Almekhlafi M, Joseph JT, Bell R, Sharma P, Furtado S. Concurrence of high-grade brainstem glioma and multiple sclerosis. Can J Neurol Sci 2010; 37:512-514. [PMID: 20724261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Affiliation(s)
- C Hinnell
- Department of Clinical Neurosciences, University of Calgary, Foothills Medical Centre, Calgary, Alberta, Canada
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