医学
体外膜肺氧合
体外循环
肺动脉高压
断奶
麻醉
外科
心脏病学
内科学
作者
Etienne Abdelnour-Berchtold,Laura Donahoe,Karen McRae,Usman Asghar,John Thenganatt,Jakov Moric,Marcelo Cypel,Shaf Keshavjee,John Granton,Marc de Perrot
标识
DOI:10.1016/j.healun.2022.02.022
摘要
Patients with chronic thromboembolic pulmonary hypertension (CTEPH) and decompensated right heart failure (DRHF) have worse outcomes after pulmonary endarterectomy (PEA). We reviewed the role of central veno-arterial extracorporeal membrane oxygenation (VA-ECMO) as a bridge to recovery after PEA in these patients.Of 388 consecutive patients undergoing PEA, 40 (10.3%) were admitted with DRHF before PEA. This group was compared to the remaining 348 patients undergoing PEA (elective group). We also compared 2 periods: 2005-2013 (n = 120) and 2014-2019 (n = 268) after which early central VA-ECMO was introduced as a strategy to manage difficulty weaning from cardiopulmonary bypass (CPB).The proportion of patients with DRHF remained similar between the first and second period (13% vs 9%, p = .2). The number of VA-ECMO bridge to recovery increased from 0.8% in 2005-2013 to 6.3% in 2014-2019 (p = .02). In the second period, 29% of DRHF patients were transitioned intraoperatively from CPB to central VA-ECMO for a median duration of 3 (2-7) days. After the introduction of central VA-ECMO as a bridge to recovery, the hospital mortality in patients with DRHF dropped from 31% in 2005-2013 to 4% in 2014-2019 (p = .03). In the long-term, the functional recovery and survival after discharged from hospital was similar between the DRHF group and the elective group. However, at 5 years, DRHF patients more frequently required PH targeted medical therapy (45% vs 20% in the elective group, p = .002).Central VA-ECMO as a bridge to recovery is an important treatment strategy that can decrease hospital mortality in patients with DRHF and lead to excellent long-term outcome.
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