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Ouyang F, Wang B, Wu Q, Yu N, Liu J, Li L, Xu Z, Lv L, Zeng X. Association of intravascular enhancement sign on 3D-T1W TSE with collateral status in middle cerebral artery occlusion stroke. Magn Reson Imaging 2023; 103:139-144. [PMID: 37507028 DOI: 10.1016/j.mri.2023.07.012] [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: 06/11/2023] [Revised: 07/25/2023] [Accepted: 07/25/2023] [Indexed: 07/30/2023]
Abstract
OBJECTIVE The significance of the intravascular enhancement sign (IVES) on high-resolution magnetic resonance vascular wall imaging (HR-VWI) remains unclear. This study aimed to investigate the correlation between the IVES and collateral assessment derived from digital subtraction angiography (DSA). METHOD A total of 75 patients with occlusion of the first segment of the middle cerebral artery (MCA) who underwent HR-VWI and DSA examinations at our research institution between November 2016 and February 2023 were included. The number of vessels with IVES, IVES-Alberta Stroke Program Early Computed Tomography Score (ASPECTS), American Society of Interventional and Therapeutic Neuroradiology/Society of Interventional Radiology (ASITN/SIR) collateral grade, and DSA collateral blood flow grade were retrospectively evaluated. Correlations between these indicators were assessed using Spearman's correlation. RESULTS Interrater agreement was good for the assessment of HR-VWI and DSA indicators. After adjustments for age, degree of wall enhancement, and hypertension, a multivariable ordinal logistic regression model identified both the number of IVES vessels (OR = 1.37; 95%CI [1.06-1.78]; P = 0.017) and IVES-ASPECTS (OR = 2.00; 95%CI [1.03-3.87]; P = 0.041) as independent predictors of ischemic stroke. In the patient group with acute ischemic stroke, we found weak correlations between the number of IVES vessels and the ASITN/SIR collateral grade (rho = -0.35; P = 0.002) and between the IVES-ASPECTS and ASITN/SIR collateral grade (rho = -0.27; P = 0.02). Moreover, there were strong correlations between the number of IVES vessels and the DSA collateral blood flow grade (rho = -0.74; P < 0.001) and between the IVES-ASPECTS and the DSA collateral blood flow grade (rho = -0.65; P < 0.001). The number of IVES vessels correlated strongly with the IVES-ASPECTS (rho = 0.92, P < 0.001). CONCLUSION We find that the IVES is closely associated with sluggish collateral blood flow, which further confirms the hemodynamic mechanism underlying the IVES in MCA occlusion.
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Affiliation(s)
- Feng Ouyang
- Department of Radiology, First Affiliated Hospital of Nanchang University, 330006 Nanchang, Jiangxi, China
| | - Bo Wang
- Department of Radiology, First Affiliated Hospital of Nanchang University, 330006 Nanchang, Jiangxi, China
| | - Qin Wu
- Department of Radiology, First Affiliated Hospital of Nanchang University, 330006 Nanchang, Jiangxi, China
| | - Nianzu Yu
- Department of Neurosurgery, First Affiliated Hospital of Nanchang University, 330006 Nanchang, Jiangxi, China
| | - Jie Liu
- Department of Radiology, First Affiliated Hospital of Nanchang University, 330006 Nanchang, Jiangxi, China
| | - Lin Li
- Department of Neurosurgery, First Affiliated Hospital of Nanchang University, 330006 Nanchang, Jiangxi, China
| | - Zihe Xu
- Department of Radiology, First Affiliated Hospital of Nanchang University, 330006 Nanchang, Jiangxi, China
| | - Lianjiang Lv
- Department of Radiology, First Affiliated Hospital of Nanchang University, 330006 Nanchang, Jiangxi, China
| | - Xianjun Zeng
- Department of Radiology, First Affiliated Hospital of Nanchang University, 330006 Nanchang, Jiangxi, China.
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Anadani M, Januel AC, Finitsis S, Clarençon F, Richard S, Marnat G, Bourcier R, Sibon I, Dargazanli C, Arquizan C, Blanc R, Lapergue B, Consoli A, Eugene F, Vannier S, Caroff J, Denier C, Boulanger M, Gauberti M, Rouchaud A, Macian Montoro F, Rosso C, Ben Hassen W, Turc G, Ozkul-Wermester O, Papagiannaki C, Albucher JF, Le Bras A, Evain S, Wolff V, Pop R, Timsit S, Gentric JC, Bourdain F, Veunac L, de Havenon A, Liebeskind DS, Maier B, Gory B. Effect of intravenous thrombolysis before endovascular therapy on outcome according to collateral status: insight from the ETIS Registry. J Neurointerv Surg 2023; 15:14-19. [PMID: 35115393 DOI: 10.1136/neurintsurg-2021-018170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 12/23/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND It is unknown whether collateral status modifies the effect of pretreatment intravenous thrombolysis (IVT) on the outcomes of patients with large vessel occlusions treated with endovascular therapy (EVT). We aimed to assess whether collateral status modifies the effect of IVT on the outcomes of EVT in clinical practice. METHODS We used data from the ongoing prospective multicentric Endovascular Treatment in Ischemic Stroke (ETIS) Registry in France. Patients with anterior circulation proximal large vessel occlusions treated with EVT within 6 hours of symptom onset were enrolled. Patients were divided into two groups based on pretreatment with IVT. The two groups were matched based on baseline characteristics. We tested the interaction between collateral status and IVT in unadjusted and adjusted models. RESULTS A total of 1589 patients were enrolled in the study, of whom 55% received IVT. Using a propensity score matching method, 724 no IVT patients were matched to 549 IVT patients. In propensity score weighted analysis, IVT was associated with higher odds of early neurological improvement (OR 1.74; 95% CI 1.33 to 2.26), favorable functional outcome (OR 1.66; 95% CI 1.23 to 2.24), excellent functional outcome (OR 2.04; 95% CI 1.47 to 2.83), and successful reperfusion (OR 2.18; 95% CI 1.51 to 3.16). IVT was not associated with mortality or hemorrhagic complications. There was no interaction between collateral status and IVT association with any of the outcomes. CONCLUSIONS Collateral status does not modify the effect of pretreatment IVT on the efficacy and safety outcomes of EVT.
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Affiliation(s)
- Mohammad Anadani
- Neurosurgery, Medical University of South Carolina - College of Medicine, Charleston, South Carolina, USA
| | | | - Stephanos Finitsis
- Neuroradiolology, University General Hospital of Thessaloniki AHEPA, Thessaoniki, Greece
| | - Frédéric Clarençon
- Interventional Neuroradiology, University Hospital Pitié Salpêtrière, Paris, France
| | - Sébastien Richard
- Neurology Stroke Unit, University Hospital Centre Nancy, Nancy, France
| | - Gaultier Marnat
- Interventional and Diagnostic Neuroradiology, Bordeaux University Hospital, Bordeaux, France
| | | | | | - Cyril Dargazanli
- Department of Neuroradiology, University Hospital Centre Montpellier, Montpellier, France
| | | | - Raphael Blanc
- Interventional Neuroradiology, Fondation Rothschild, Paris, France
| | | | | | | | | | - Jildaz Caroff
- Department of Interventional Neuroradiology - NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Le Kremlin Bicêtre, France
| | - Christian Denier
- Neurology, Hôpital Bicetre, Le Kremlin-Bicetre, Île-de-France, France
| | | | - Maxime Gauberti
- Centre Hospitalier Universitaire de Limoges, Limoges, Limousin, France
| | - Aymeric Rouchaud
- Interventional Neuroradiology, Centre Hospitalier Universitaire de Limoges, Limoges, France.,Department of Neurology, CHU Limoges, Limoges, France
| | | | - Charlotte Rosso
- Urgences Cérébro-Vasculaires, Pitié-Salpétrière Hospital, Paris, France
| | - Wagih Ben Hassen
- Interventional Neuroradiology, Saint Anne Hospital Centre, Paris, France.,INSERM U1166, Paris, France
| | - Guillaume Turc
- Centre Hospitalier Universitaire de Limoges, Limoges, Limousin, France
| | | | | | | | - Anthony Le Bras
- Department of Radiology, CH Bretagne Atlantique, Vannes, France.,CHU Rennes Service de Radiologie et d'Imagerie Médicale, Rennes, France
| | - Sarah Evain
- Department of Neurology, Centre Hospitalier Bretagne Atlantique, Vannes, France
| | - Valerie Wolff
- Stroke Unit, Strasbourg University Hospitals, Strasbourg, France
| | - Raoul Pop
- Interventional Neuroradiology, University Hospitals Strasbourg, Strasbourg, France.,Interventional Radiology, Institut de Chirurgie Guidée par l'Image, Strasbourg, France
| | - Serge Timsit
- Department of Neurology, CHU Brest, Brest, France
| | | | - Frederic Bourdain
- Neurology, Centre Hospitalier de la Cote Basque, Bayonne, Aquitaine, France
| | - Louis Veunac
- Department of Radiology and Interventional Neuroradiology, CHU de Bordeaux, Bordeaux, France
| | - Adam de Havenon
- Department of Neurology, University of Utah, Salt Lake City, Utah, USA
| | | | - Benjamin Maier
- Interventional Neuroradiology, Adolphe de Rothschild Ophthalmological Foundation, Paris, France
| | - Benjamin Gory
- Department of Diagnostic and Interventional Neuroradiology, CHRU Nancy, Nancy, France
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Tolhuisen ML, Kappelhof M, Dutra BG, Jansen IGH, Guglielmi V, Dippel DWJ, van Zwam WH, van Oostenbrugge RJ, van der Lugt A, Roos YBWEM, Majoie CBLM, Caan MWA, Marquering HA. Influence of Onset to Imaging Time on Radiological Thrombus Characteristics in Acute Ischemic Stroke. Front Neurol 2021; 12:693427. [PMID: 34220695 PMCID: PMC8253046 DOI: 10.3389/fneur.2021.693427] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 05/14/2021] [Indexed: 11/15/2022] Open
Abstract
Introduction: Radiological thrombus characteristics are associated with patient outcomes and treatment success after acute ischemic stroke. These characteristics could be expected to undergo time-dependent changes due to factors influencing thrombus architecture like blood stasis, clot contraction, and natural thrombolysis. We investigated whether stroke onset-to-imaging time was associated with thrombus length, perviousness, and density in the MR CLEAN Registry population. Methods: We included 245 patients with M1-segment occlusions and thin-slice baseline CT imaging from the MR CLEAN Registry, a nation-wide multicenter registry of patients who underwent endovascular treatment for acute ischemic stroke within 6.5 h of onset in the Netherlands. We used multivariable linear regression to investigate the effect of stroke onset-to-imaging time (per 5 min) on thrombus length (in mm), perviousness and density (both in Hounsfield Units). In the first model, we adjusted for age, sex, intravenous thrombolysis, antiplatelet use, and history of atrial fibrillation. In a second model, we additionally adjusted for observed vs. non-observed stroke onset, CT-angiography collateral score, direct presentation at a thrombectomy-capable center vs. transfer, and stroke etiology. We performed exploratory subgroup analyses for intravenous thrombolysis administration, observed vs. non-observed stroke onset, direct presentation vs. transfer, and stroke etiology. Results: Median stroke onset-to-imaging time was 83 (interquartile range 53–141) min. Onset to imaging time was not associated with thrombus length nor perviousness (β 0.002; 95% CI −0.004 to 0.007 and β −0.002; 95% CI −0.015 to 0.011 per 5 min, respectively) and was weakly associated with thrombus density in the fully adjusted model (adjusted β 0.100; 95% CI 0.005–0.196 HU per 5 min). The subgroup analyses showed no heterogeneity of these findings in any of the subgroups, except for a significantly positive relation between onset-to-imaging time and thrombus density in patients transferred from a primary stroke center (adjusted β 0.18; 95% CI 0.022–0.35). Conclusion: In our population of acute ischemic stroke patients, we found no clear association between onset-to-imaging time and radiological thrombus characteristics. This suggests that elapsed time from stroke onset plays a limited role in the interpretation of radiological thrombus characteristics and their effect on treatment results, at least in the early time window.
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Affiliation(s)
- Manon L Tolhuisen
- Department of Biomedical Engineering and Physics, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Manon Kappelhof
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Bruna G Dutra
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | | | - Valeria Guglielmi
- Department of Neurology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Diederik W J Dippel
- Department of Neurology, Erasmus Medical Center University Medical Center, Rotterdam, Netherlands
| | - Wim H van Zwam
- Department of Radiology and Nuclear Medicine, Maastricht University Medical Center, Maastricht, Netherlands
| | - Robert J van Oostenbrugge
- Department of Neurology, Maastricht University Medical Center, Maastricht, Netherlands.,Cardiovascular Research Institute Maastricht, University of Maastricht, Maastricht, Netherlands
| | - Aad van der Lugt
- Department of Radiology and Nuclear Medicine, Erasmus Medical Center University Medical Center, Rotterdam, Netherlands
| | - Yvo B W E M Roos
- Department of Neurology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Charles B L M Majoie
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Matthan W A Caan
- Department of Biomedical Engineering and Physics, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Henk A Marquering
- Department of Biomedical Engineering and Physics, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
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Kadowaki M, Tenjin H, Tokuyama T, Kawakatsu T, Kida S, Makita I, Sakamoto T, Takao M, Kasahara M, Saito O, Kurozumi K. Histopathological Composition of Thrombus in Acute Ischemic Stroke May Vary Even Within the Same Patient: A Preliminary Study Examining Clots According to Their Area of Retrieval. JOURNAL OF NEUROENDOVASCULAR THERAPY 2021; 16:6-11. [PMID: 37502029 PMCID: PMC10370624 DOI: 10.5797/jnet.oa.2020-0176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 03/08/2021] [Indexed: 07/29/2023]
Abstract
Objective Mechanical thrombectomy enables histopathological examination of clots in patients who have suffered acute ischemic strokes. Many studies have described about the relationship between the histopathological compositions of retrieved thrombi and imaging findings, clinical outcomes, and stroke etiology without consensus. In this study, we examined the histological composition of thrombi according to their retrieval site and methods. Methods We divided retrieved clots into three parts (those retrieved from the proximal and distal parts of the stent retriever, and those aspirated through the guiding catheter) and then histopathologically analyzed their compositions by measuring the area occupied by red blood cells (RBCs), fibrin/platelets (F/Ps), and white blood cells (WBCs). Results Each specimen showed various composition even within the same patient. For example, the area occupied by RBCs was 20.9% ± 12.1%, 30.5% ± 13.5%, and 41.3% ± 16.1% in the clot retrieved from the proximal and distal parts of the stent retriever, and those aspirated through the guiding catheter, respectively. Conclusion Histopathological clot composition may vary even within the patient. Further research is needed to investigate more objective methods of histopathological analysis and their clinical significance.
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Affiliation(s)
- Makoto Kadowaki
- Department of Neurosurgery, Shizuoka Red Cross Hospital, Shizuoka, Shizuoka, Japan
| | - Hiroshi Tenjin
- Department of Neurosurgery, Shizuoka Red Cross Hospital, Shizuoka, Shizuoka, Japan
| | - Tsutomu Tokuyama
- Department of Neurosurgery, Shizuoka Red Cross Hospital, Shizuoka, Shizuoka, Japan
| | - Toru Kawakatsu
- Department of Neurosurgery, Shizuoka Red Cross Hospital, Shizuoka, Shizuoka, Japan
| | - Satoru Kida
- Department of Neurosurgery, Shizuoka Red Cross Hospital, Shizuoka, Shizuoka, Japan
| | - Ippei Makita
- Department of Neurosurgery, Shizuoka Red Cross Hospital, Shizuoka, Shizuoka, Japan
| | - Tomoya Sakamoto
- Department of Neurosurgery, Shizuoka Red Cross Hospital, Shizuoka, Shizuoka, Japan
| | - Masaki Takao
- Department of Clinical Laboratory, National Center Hospital of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Masao Kasahara
- Department of Pathology, Shizuoka Red Cross Hospital, Shizuoka, Shizuoka, Japan
| | - Osamu Saito
- Department of Neurosurgery, Shizuoka Red Cross Hospital, Shizuoka, Shizuoka, Japan
| | - Kazuhiko Kurozumi
- Department of Neurosurgery, Hamamatsu University Hospital, Hamamatsu, Shizuoka, Japan
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5
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Soize S, Manceau PF, Gauberti M, Herbin T, Zuber M, Pierot L, Touzé E. Susceptibility Vessel Sign in Relation With Time From Onset to Magnetic Resonance Imaging. Stroke 2021; 52:1839-1842. [PMID: 33827243 DOI: 10.1161/strokeaha.120.032198] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Sebastien Soize
- Université Caen-Normandie, INSERM UMR-S U1237, Cyceron, Caen, France (S.S., M.G., M.Z., E.T.).,Neuroradiology, Hôpital Maison Blanche, CHU Reims, France (S.S., P.-F.M., T.H., L.P.)
| | | | - Maxime Gauberti
- Université Caen-Normandie, INSERM UMR-S U1237, Cyceron, Caen, France (S.S., M.G., M.Z., E.T.).,Radiology (M.G.), CHU Caen Normandie, France
| | - Thibault Herbin
- Neuroradiology, Hôpital Maison Blanche, CHU Reims, France (S.S., P.-F.M., T.H., L.P.)
| | - Mathieu Zuber
- Université Caen-Normandie, INSERM UMR-S U1237, Cyceron, Caen, France (S.S., M.G., M.Z., E.T.).,Neurology, Hôpital Saint-Joseph, Paris, France (M.Z.)
| | - Laurent Pierot
- Neuroradiology, Hôpital Maison Blanche, CHU Reims, France (S.S., P.-F.M., T.H., L.P.)
| | - Emmanuel Touzé
- Université Caen-Normandie, INSERM UMR-S U1237, Cyceron, Caen, France (S.S., M.G., M.Z., E.T.).,and Neurology (E.T.), CHU Caen Normandie, France
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Koge J. [Reperfusion therapy in patients with minor or mild ischemic stroke]. Rinsho Shinkeigaku 2019; 59:84-92. [PMID: 30700691 DOI: 10.5692/clinicalneurol.cn-001255] [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: 11/05/2022]
Abstract
A significant number of patients with minor or mild stroke symptoms on initial presentation subsequently develop neurological deterioration and poor clinical outcomes at hospital discharge. The presence of an underlying large vessel occlusion is a strong predictor of both clinical worsening and poor outcome. Although patients with a low baseline National Institutes of Health Stroke Scale (NIHSS) could have been included in some randomized controlled trials, the benefits of the mechanical thrombectomy for patients with a low NIHSS score are unknown. The causes of neurological deterioration in patients with underlying large vessel occlusion are heterogeneous, but include collateral failure, and no straightforward mechanisms are found in the majority of cases. Patients with internal carotid artery occlusion, but with a patent middle cerebral artery (MCA), can occasionally have good collateral circulation and develop only minor or mild stroke. These patients exhibit collateral MCA flow via the circle of Willis despite ipsilateral internal carotid artery occlusion. However, thrombus migration may cause occlusion of collateral MCA flow, leading to dramatic neurological deterioration. Careful observation and detailed assessment are required for the management of these patients. Recent studies have examined the efficacy and optimal timing of thrombolysis or mechanical thrombectomy for patients with minor or mild stroke. Herein, we review the mechanisms of neurological deterioration, and the efficacy of reperfusion therapy, for patients with minor or mild stroke.
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Affiliation(s)
- Junpei Koge
- Division of Neurology, Saiseikai Fukuoka General Hospital
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