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Predictive value of thrombus volume for recanalization in stent retriever thrombectomy

Authors
 Jang-Hyun Baek  ;  Joonsang Yoo  ;  Dongbeom Song  ;  Young Dae Kim  ;  Hyo Suk Nam  ;  Byung Moon Kim  ;  Dong Joon Kim  ;  Hye Sun Lee  ;  Ji Hoe Heo 
Citation
 Scientific Reports, Vol.7(1) : 15938, 2017 
Journal Title
 Scientific Reports 
Issue Date
2017
Abstract
This retrospective study investigated whether the volume or density of the thrombus is predictive of recanalization in stent retriever (SR) treatment. Consecutive patients treated with SR thrombectomy as the first endovascular modality were enrolled. The thrombus volume and density were measured on thin-section noncontrast computed tomography using 3-dimensional software. The patients were grouped by recanalization status and the number of SR passes. Among 165 patients, recanalization was achieved with the first pass in 68 (50.0%), 2-3 passes in 43 (31.6%), and ≥4 passes in 25 (18.4%) patients. The thrombus volume was smaller in patients with (107.5 mm3) than without (173.7 mm3, p = 0.025) recanalization, and tended to be larger with increasing number of passes (p for trend = 0.001). The thrombus volume was an independent predictor of first-pass recanalization (odds ratio 0.93 per 10 mm3, 95% confidence interval 0.89-0.97). However, the thrombus density was not associated with recanalization success. Recanalization within 3 passes was associated with a favorable outcome. In conclusion, the thrombus volume was significantly related to recanalization in SR thrombectomy. Measuring the thrombus volume was particularly predictive of first-pass recanalization, which was associated with a higher likelihood of a favorable outcome.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/161472
DOI
10.1038/s41598-017-16274-9
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원)
Yonsei Authors
김동준(Kim, Dong Joon)
김병문(Kim, Byung Moon)
김영대(Kim, Young Dae)
남효석(Nam, Hyo Suk)
백장현(Baek, Jang Hyun)
송동범(Song, Dong Beom)
유준상(Yoo, Joon Sang)
이혜선(Lee, Hye Sun)
허지회(Heo, Ji Hoe)
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