Green Lane Cardiothoracic Unit, Auckland City Hospital, Auckland, New Zealand.
Cardiothoracic and Vascular Intensive Care Unit, Auckland City Hospital, Auckland, New Zealand.
J Card Surg. 2021 Jan;36(1):374-376. doi: 10.1111/jocs.15216. Epub 2020 Nov 22.
Suck down events in an extracorporeal membrane oxygenation (ECMO) circuit, due to vein wall being suctioned onto the cannula inflow ports, lead to low circuit flows. These low flow states can be reversed with fluid administration. We present a patient with a prominent eustachian valve (EV) which was encountered while managing the patient on ECMO post lung transplantation for pleuroparenchymal fibroelastosis. We hypothesize that presence of a prominent EV can induce suck down events and needs to be recognized in the differential diagnosis of this problem. This case adds to the literature to increase the awareness of this rare but significant problem.
体外膜肺氧合（ECMO）回路中发生的抽吸事件，由于静脉壁被吸入到套管的入口端口，导致回路流量低。这些低流量状态可以通过补液来逆转。我们介绍了一例在肺移植后因胸膜肺弹力纤维增生症而接受 ECMO 治疗的患者，在处理该患者时遇到了一个明显的咽鼓管瓣（EV）。我们假设一个明显的 EV 的存在可以引起抽吸事件，并且在这个问题的鉴别诊断中需要加以识别。这个病例增加了文献的数量，提高了对这个罕见但重要问题的认识。
