Stroke (Hoboken, N.J.) · 2026
Clinical and Angiographic Outcomes in Patients With Tandem Occlusion Thrombectomy: Analysis From the ASSIST International Registry.
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Ashouri Yazan, AlMajali Mohammad, Olvany Jasmine M, Chaudhari Amit, Miralbés Salvador, Naravetla Bharath, Spiotta Alejandro, Lin Eugene, Loehr Christian, Martínez-Galdámez Mario, McTaggart Ryan, Defreyne Luc, Vega Pedro, Chaubal Varun, Jenkins Paul, Liebeskind David S, Gupta Rishi, Möhlenbruch Markus, Zaidat Osama O
Аннотация
BACKGROUND: Tandem lesions (TLs) are a subtype of acute ischemic stroke, which involve an extracranial carotid lesion (ie, severe carotid stenosis ≥70%) with large vessel occlusion. While large vessel occlusion has a standard approach with mechanical thrombectomy (MT), the best practice for intervention of the carotid lesion is not well-established. Utilizing data from the ASSIST registry, we investigated the differences in clinical and procedural outcomes between acute versus nonacute stenting.
METHODS: The ASSIST registry (an international acute ischemic stroke MT prospective study) was utilized to identify the subgroup of patients with acute ischemic stroke secondary to TL who received MT. The TLs were grouped by MT+acute carotid stenting (CAS) versus MT+acute carotid nonstenting. The demographics and clinical outcomes (90-day modified Rankin Scale score) were compared between TL and non-TL groups, and between MT+CAS and MT+acute carotid nonstenting. Multivariable analyses were performed to determine independent predictors of clinical outcomes.
RESULTS: A total of 183 of 1270 (14.4%) TLs were identified in the ASSIST registry. MT+CAS was performed in 83 of 183 (45.4%) subjects, and 100 of 183 (54.6%) received MT+acute carotid nonstenting. There are no significant differences at baseline between the 2 groups in the National Institutes of Health Stroke Scale score, Alberta Stroke Program Early Computed Tomography Score, or target vessel. Achieving a modified Rankin Scale score of 0 to 2 at 90 days was 70.9% in the MT+CAS group versus 48.9% in the MT+acute carotid nonstenting group (P=0.001), with a modified Rankin Scale score of 0 to 2 being significantly associated with the MT+CAS group in multivariable analysis (odds ratio, 2.14 [95% CI, 1.01-4.51]). There was no significant difference in mortality or symptomatic intracerebral hemorrhage between the groups.
CONCLUSIONS: In acute ischemic stroke, secondary to TLs treatment with thrombectomy and acute carotid stenting is associated with improved 90-day functional outcome without an increase in symptomatic intracerebral hemorrhage compared with no acute stenting approach.
REGISTRATION: URL: https://www.clinicaltrials.gov; Unique identifier: NCT03845491.
METHODS: The ASSIST registry (an international acute ischemic stroke MT prospective study) was utilized to identify the subgroup of patients with acute ischemic stroke secondary to TL who received MT. The TLs were grouped by MT+acute carotid stenting (CAS) versus MT+acute carotid nonstenting. The demographics and clinical outcomes (90-day modified Rankin Scale score) were compared between TL and non-TL groups, and between MT+CAS and MT+acute carotid nonstenting. Multivariable analyses were performed to determine independent predictors of clinical outcomes.
RESULTS: A total of 183 of 1270 (14.4%) TLs were identified in the ASSIST registry. MT+CAS was performed in 83 of 183 (45.4%) subjects, and 100 of 183 (54.6%) received MT+acute carotid nonstenting. There are no significant differences at baseline between the 2 groups in the National Institutes of Health Stroke Scale score, Alberta Stroke Program Early Computed Tomography Score, or target vessel. Achieving a modified Rankin Scale score of 0 to 2 at 90 days was 70.9% in the MT+CAS group versus 48.9% in the MT+acute carotid nonstenting group (P=0.001), with a modified Rankin Scale score of 0 to 2 being significantly associated with the MT+CAS group in multivariable analysis (odds ratio, 2.14 [95% CI, 1.01-4.51]). There was no significant difference in mortality or symptomatic intracerebral hemorrhage between the groups.
CONCLUSIONS: In acute ischemic stroke, secondary to TLs treatment with thrombectomy and acute carotid stenting is associated with improved 90-day functional outcome without an increase in symptomatic intracerebral hemorrhage compared with no acute stenting approach.
REGISTRATION: URL: https://www.clinicaltrials.gov; Unique identifier: NCT03845491.