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Early stroke following durable left ventricular assist device (LVAD) implantation: An analysis of the Society of Thoracic Surgeons Intermacs National Database.
The Journal of Heart and Lung Transplantation ( IF 6.4 ) Pub Date : 2024-10-09 , DOI: 10.1016/j.healun.2024.09.031
Ezequiel J Molina,Daniel Goldstein,Ryan S Cantor,Manreet K Kanwar,Dan Meyer,Ulrich Jorde,Omar Saeed,Katherine Wood,Rama Raju Rudraraju,Seth Lewis,James K Kirklin,Francis D Pagani,Arman Kilic

BACKGROUND Stroke remains a devastating complication of durable left ventricular assist device (LVAD) therapy. This study evaluated the incidence and risk factors for early stroke within 7 days following LVAD implantation investigating both traditional pre-implant and new intraoperative variables collected by The Society of Thoracic Surgeons (STS) Intermacs National Database. METHODS STS Intermacs was queried for patients undergoing implantation of a fully magnetically levitated centrifugal LVAD between November 25, 2020 and June 30, 2023. STS Intermacs stroke definitions were used to identify patients who suffered a stroke within the first 7 postoperative days (POD). A multivariable logistic regression model was created to generate adjusted odd ratios (OR) for variables associated with early stroke. RESULTS Among 6,950 patients in the study cohort, 5.9% (413/6950) developed a stroke after a median follow-up of 11 months, with 50% (205/413) of strokes occurring within 7 days after LVAD implantation. Of the strokes occurring during POD 0-7, 70% (144/205) occurred on POD 0-2. By multivariable analysis, the following factors were associated with early stroke: older age (70 vs 50; OR 1.4, p = 0.0129), white race (OR 1.5, p = 0.0078), pre-implant temporary mechanical circulatory support (MCS) bridge (temporary LVAD only: OR 1.6, extracorporeal membrane oxygenation [ECMO] only: OR 1.7, combination of both devices: OR 3.3; p = 0.0001) and presence of an unremoved left atrial clot (OR 8.0, p < 0.0001). CONCLUSIONS A significant proportion of strokes occur within the first 7 days following LVAD implantation, particularly within the first 2 days. In addition to pre-implant variables, we identified modifiable intraoperative factors associated with stroke that provide an opportunity for further risk mitigation and improvement in quality of care.

中文翻译:


耐用左心室辅助装置 (LVAD) 植入后的早期中风:对胸外科医师协会 Intermacs 国家数据库的分析。



背景 中风仍然是持久左心室辅助装置 (LVAD) 治疗的破坏性并发症。本研究评估了 LVAD 植入后 7 天内早期卒中的发生率和危险因素,调查了传统的植入前变量和胸外科医师协会 (STS) Intermacs 国家数据库收集的新术中变量。方法 询问了 2020 年 11 月 25 日至 2023 年 6 月 30 日期间接受全磁悬浮离心 LVAD 植入的患者 STS Intermacs。STS Intermacs 卒中定义用于识别术后前 7 天 (POD) 内发生卒中的患者。创建了一个多变量 logistic 回归模型,以生成与早期卒中相关的变量的调整比值比 (OR)。结果 在研究队列的 6,950 名患者中,5.9% (413/6950) 在中位随访 11 个月后发生中风,其中 50% (205/413) 的中风发生在 LVAD 植入后 7 天内。在 POD 0-7 期间发生的中风中,70% (144/205) 发生在 POD 0-2 期间。通过多变量分析,以下因素与早期中风相关: 高龄 (70 vs 50;OR 1.4,p = 0.0129),白种人 (OR 1.5,p = 0.0078),植入前临时机械循环支持 (MCS) 桥(仅临时 LVAD:OR 1.6,仅体外膜肺氧合 [ECMO]:OR 1.7,两种设备的组合:OR 3.3;p = 0.0001)和存在未去除的左心房凝块(OR 8.0,p < 0.0001)。结论 很大一部分中风发生在 LVAD 植入后的前 7 天内,尤其是在前 2 天内。 除了植入前变量外,我们还确定了与中风相关的可改变的术中因素,这些因素为进一步降低风险和提高护理质量提供了机会。
更新日期:2024-10-08
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