Balloon-Stopper Retrieval and Peripheral Parking After Inadvertent Ostial Right Coronary Stent Deployment.

Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions Pub Date : 2026-09-30 DOI:10.1002/ccd.70932

Fernando Quevedo-Candela, Guy Proulx, Tomás Cieza

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Abstract

Background: Percutaneous treatment of right coronary artery (RCA) ostial lesions is technically challenging due to cardiorespiratory motion.

Case summary: We describe a 70-year-old man undergoing PCI for an ostial RCA lesion where a forceful cough caused complete stent expansion within the aortic root. The stent remained mechanically engaged to the delivery shaft. A 4.0 × 15 mm balloon was inflated at the guiding catheter tip as a "balloon stopper," enabling controlled retrieval and "peripheral parking" (intentional implantation) in the right brachial artery.

Discussion: This case illustrates the technical feasibility of a bailout strategy for selected fully expanded extracoronary stents when guidewire access is maintained. The balloon-stopper technique provided mechanical control during retrieval, while peripheral implantation allowed relocation of the stent when further extraction was considered potentially hazardous.

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不慎放置右冠状动脉支架后球囊塞回收和周边停车。

背景：由于心肺运动，经皮治疗右冠状动脉（RCA）口病变在技术上具有挑战性。病例总结：我们描述了一个70岁的男性接受PCI口RCA病变，有力的咳嗽导致主动脉根部支架完全扩张。支架与输送轴保持机械啮合。在引导导管尖端充气一个4.0 × 15 mm的球囊作为“球囊止动器”，实现控制取出和“外周停放”（有意植入）右肱动脉。讨论：该病例说明了在维持导丝通路的情况下，选择充分扩张的冠状动脉外支架进行救助策略的技术可行性。球囊塞技术在取出过程中提供机械控制，而周围植入允许在进一步取出被认为有潜在危险时重新定位支架。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions

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