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Abstract TP187: Comparison of Balloon Guide Catheter versus Non-Balloon Guide Catheter for Mechanical Thrombectomy in Distal Medium Vessel Occlusion
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Abstract TP187: Comparison of Balloon Guide Catheter versus Non-Balloon Guide Catheter for Mechanical Thrombectomy in Distal Medium Vessel Occlusion

Atakan Orscelik, David F Kallmes, Cem Bilgin, Yigit Can Senol, Hassan Kobeissi, Sameh Samir Elawady, Conor Cunningham, Hidetoshi Matsukawa, Sara Zandpazandi, Mohammad-Mahdi Sowlat, …
Stroke (1970), Vol.55(Suppl_1)
02/2024
DOI: 10.1161/str.55.suppl_1.TP187
url
https://doi.org/10.1161/str.55.suppl_1.TP187View
Published (Version of record) Open Access

Abstract

Abstract only Introduction: While balloon guide catheters (BGCs) enhance safety and efficacy of mechanical thrombectomy in large vessel occlusions, their impact on distal medium vessel occlusion (DMVO) remains underexplored. This study aimed to compare the outcomes of BGC vs non-BGC in DMVO thrombectomy. Methods: This retrospective study focused on DMVO cases defined as occlusions in M2-M4 middle cerebral artery, anterior cerebral artery, and posterior cerebral artery. Baseline characteristics and technical and clinical outcomes were compared between the two groups, with subgroup analysis in first-line thrombectomy techniques, including ADAPT, stent retriever, and Solumbra. First pass effect (FPE) was defined as a modified Thrombolysis in Cerebral Infarction (mTICI) score ≥ 2C after the first pass. Results: A total of 1,508 patients were included, of whom 231 (15.3%) were in the BGC group and 1,277 (84.7%) were in the Non-BGC group. The BGC group was associated with a lower mTICI score ≥ 2C (overall: 43.2% vs. 52.7%, p = 0.01; ADAPT: 42.2% vs. 57.1%, p = 0.01; Solumbra: 32.4% vs. 51.4%, p = 0.005), longer puncture to intracranial access time (overall: 15 vs. 8 min, p < 0.001; ADAPT: 17 vs. 8 min, p < 0.001; Solumbra: 12 vs. 8 min, p = 0.02), and longer puncture to recanalization time (overall: 97 vs. 35 min, p < 0.001; ADAPT: 100 vs. 28 min, p < 0.001; Solumbra: 78 vs. 46 min, p < 0.001; Stent retriever: 95 vs. 45 min, p < 0.001 ). The BGC group also had a lower FPE rate (17.4% vs. 30.7%, p = 0.03) in the Solumbra subgroup. In terms of clinical outcomes, the BGC group had a lower rate of distal embolization (overall: 8.8% vs. 14.9%, p = 0.02), but there were no significant differences in other clinical outcomes between the two groups in first-line thrombectomy techniques. Conclusions: Our findings showed that the use of BGC in DMVO had a lower mTICI score, reduced FPE rates, decreased distal embolization, and longer procedure times. Figure 1: Figure 2:

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