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KMID : 1005420120140030141
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Journal of Cerebrovascular and Endovascular Neurosurgery
2012 Volume.14 No. 3 p.141 ~ p.147
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The Usefulness of Compliant Balloon for Recanalization of Acute Ischemic Stroke
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Kang Mun-Soo
Kim Jae-Hoon
Moon Byung-Gwan
Kang Hee-In
Lee Seung-Jin
Kim Joo-Sung
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Abstract
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Objective: We report on our experience using a compliant balloon for treatment of thrombi resistant to simple mechanical thrombolysis.
Methods: We conducted a retrospective investigation of 46 consecutive acute ischemic stroke patients who were treated by intraarterial thrombolysis (IAT) between January 2008 and July 2010. We compared IAT results between the balloon group (BG) and the simple mechanical thrombolysis (with microcatheter and microguidewire) group (SG). The Thrombolysis in Myocardial Infarction (TIMI) grading system was used for grading of the degrees of vessel recanalization. In addition, a modified Thrombolysis in Cerebral Infarction (TICI) score was used for post-IAT TIMI grade 2 patients. Modified Rankin Scale scores were used at three months for assessment of clinical outcomes.
Results: Twenty of the 46 subjects were treated with a compliant balloon. The mean initial National Institutes of Health Stroke Scale score was 15.1 in the BG and 14 in the SG. The mean time from symptom onset to initiation of IAT was 225 minutes in the BG and 177 in the SG (p = 0.004). The overall rate of successful recanalization (TIMI grade 2 or 3) was 85% in the BG and 73% in the SG (p = 0.476). In the TIMI grade 2 group, modified TICI 2b was 90% in the BG and 16% in the SG (p = 0.001). Postprocedure intraparenchymal hemorrhage occurred in two subjects in the BG and 10 subjects in the SG (p = 0.029). No significant difference in clinical outcomes was observed between the BG and SG (p = 0.347).
Conclusions: The compliant balloon showed high potential for recanalization following acute ischemic stroke, especially when simple mechanical thrombolysis had failed.
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KEYWORD
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Balloon, Thrombolysis, Recanalization
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