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首页> 外文期刊>International heart journal >A Useful Scoring System For Predicting Right Ventricular Assist Device Requirement Among Patients with a Paracorporeal Left Ventricular Assist Device
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A Useful Scoring System For Predicting Right Ventricular Assist Device Requirement Among Patients with a Paracorporeal Left Ventricular Assist Device

机译:一个有用的计分系统,用于在有腹腔左室辅助装置的患者中预测右室辅助装置的需求

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p class="global-para-14" pVentricular assist devices (VADs) have become an important therapy for advanced heart failure, however, the prognosis of those who receive a biventricular assist device (BiVAD) is still poor. We enrolled 70 patients who underwent paracorporeal VAD (Nipro-VADsup?/sup) implantation between 2004 and 2015 and studied the preoperative risk factors, including hemodynamic parameters for RVAD requirement. Furthermore, 2-year survival was compared between the BiVAD group and LVAD only group. Fourteen patients (20%) required RVAD. The BiVAD group had a significantly smaller left ventricular diastolic/systolic dimension, lower mean pulmonary artery wedge pressure (PAWP), lower cardiac index (CI), higher pulmonary vascular resistance (PVR), higher mean right atrial pressure (RAP), lower pulmonary artery pulsatility index (PAPi), lower right ventricular stroke work index (RVSWI), and higher mean RAP/mean PAWP ratio preoperatively. After multivariate analysis, only PVR 4.5 Wood units: WU ( P = 0.013, odds ratio: OR 7.9) and mean RAP/mean PAWP 0.8 ( P 0.001, OR 14.4) were significant predictors for RVAD requirement. From these odds ratios, we assigned 1 point to PVR 4.5 WU and 2 points to mean RAP/mean PAWP 0.8. This simple scoring method adequately stratified the incidence of RVAD implantation (score 0: 4.4%, score 1: 28.6%, score 2: 41.7%, score 3: 83.3%). The cumulative survival rate at 2-year after VAD implantation was significantly worse among patients who required RVAD support compared to the LVAD only group (28.5% versus 74.4%, P = 0.009). RVAD requirement is associated with poor long-term survival, and this simple scoring system using PVR and mean RAP/mean PAWP may be useful for predicting RVAD requirement in such patients./p /p
机译:class =“ global-para-14”> >心室辅助设备(VAD)已成为晚期心力衰竭的重要治疗方法,但是,接受双心室辅助设备(BiVAD)的人的预后仍然很差。我们招募了2004年至2015年间接受体外VAD(Nipro-VAD ?)植入的70例患者,并研究了术前危险因素,包括RVAD要求的血液动力学参数。此外,比较了BiVAD组和仅LVAD组的2年生存率。 14名患者(20%)需要RVAD。 BiVAD组的左心室舒张/收缩期尺寸明显更小,平均肺动脉楔压(PAWP)较低,心脏指数(CI)较低,肺血管阻力(PVR)较高,右心房平均压力(RAP)较高,肺部较低术前动脉搏动指数(PAPi),右室卒中功指数(RVSWI)和平均RAP /平均PAWP比较高。经过多变量分析后,只有PVR> 4.5木材单位:WU(P = 0.013,优势比:OR 7.9)和平均RAP /平均PAWP> 0.8(P <0.001,OR 14.4)是RVAD需求的重要预测指标。从这些比值比中,我们给PVR> 4.5 WU分配1分,给RAP /平均PAWP> 0.8分配2分。这种简单的评分方法足以对RVAD植入的发生率进行分层(评分0:4.4%,评分1:28.6%,评分2:41.7%,评分3:83.3%)。与仅LVAD组相比,需要RVAD支持的患者在VAD植入后2年的累积生存率显着更差(28.5%对74.4%,P = 0.009)。 RVAD需求与长期生存不良相关,因此使用PVR和平均RAP /平均PAWP的简单评分系统可能有助于预测此类患者的RVAD需求。

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