• Outflow graft obstruction (OGO) is a feared complication in patients with left ventricular assist devices.
• It can be caused by graft kinking or twisting, external compression, or internal material deposition.
• The best endovascular approach for treating this complication is not well established.
• The authors report their institutional experience treating OGO in patients with HeartMate 3 devices, describing a straightforward approach that appears safe and feasible for a large proportion of patients.

中文翻译：

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左心室辅助装置患者的流出道移植物阻塞：支架结节

• 流出道梗阻 (OGO) 是左心室辅助装置患者担心的并发症。
• 它可能由移植物扭结或扭曲、外部压缩或内部材料沉积引起。
• 治疗这种并发症的最佳血管内方法尚未确定。
• 作者报告了他们使用 HeartMate 3 设备治疗 OGO 的机构经验，描述了一种对大部分患者来说似乎安全可行的简单方法。