Outcomes of Dissection Angles as Predictor of Restenosis after Drug-Coated Balloon Treatment
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- Kozuki Amane
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Takahara Mitsuyoshi
- Department of Diabetes Care Medicine, Osaka University Graduate School of Medicine
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- Shimizu Masahiro
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Kijima Yoichi
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Nagoshi Ryoji
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Fujiwara Ryudo
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Shibata Hiroyuki
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Suzuki Atsushi
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Soga Fumitaka
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Miyata Tomohiro
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Sakamoto Yuki
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Seo Hidenobu
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Asada Hiroyuki
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Isawa Kouhei
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Higuchi Kotaro
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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- Shite Junya
- Osaka Saiseikai Nakatsu Hospital, Division of Cardiology
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Abstract
<p>Aim: The predictors of restenosis after endovascular therapy (EVT) with paclitaxel drug-coated balloons (DCBs) have not been clearly established. The present study aimed to investigate the association of post-procedural dissection, as evaluated using intravascular ultrasound (IVUS), with the risk of restenosis following femoropopliteal EVT with paclitaxel DCBs. </p><p>Methods: In the present single-center retrospective study, 60 de novo femoropopliteal lesions (44 patients) that underwent EVT with DCBs, without bail-out stenting, were enrolled. The primary outcome was 1-year primary patency. Risk factors for restenosis were evaluated using a Cox proportional hazards regression model and random survival forest analysis. </p><p>Results: The 1-year primary patency rate was 57.2% [95% confidence interval, 45%–72%]. IVUS-evaluated post-procedural dissection was significantly associated with the risk of restenosis (P=0.002), with the best cutoff point of 64º [range, 39º–83º]. The random survival forest analysis showed that the variable importance measure of IVUS-evaluated dissection was significantly lower than that of the reference vessel diameter (P<0.001), not different from that of the lesion length (P=0.41), and significantly higher than that of any other clinical feature (all P<0.05). </p><p>Conclusion: IVUS-evaluated post-procedural dissection was associated with 1-year restenosis following femoropopliteal EVT with DCB. </p>
Journal
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- Journal of Atherosclerosis and Thrombosis
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Journal of Atherosclerosis and Thrombosis 28 (9), 954-962, 2021-09-01
Japan Atherosclerosis Society