• Mitsutoshi Kimura, Osamu Kinoshita, Yoshifumi Fujimoto, Arata Murakami, Takahiro Shindo, Koichi Kashiwa, and Minoru Ono.
• Department of Cardiothoracic Surgery, The University of Tokyo, Tokyo, Japan.
• Am J Emerg Med. 2014 Feb 1;32(2):197.e1-2.

AbstractExtracorporeal membrane oxygenation (ECMO) is an effective respiratory and circulatory support in patients in refractory cardiogenic shock or cardiac arrest. Peripheral ECMO sometimes requires left heart drainage; however, few reports state that pulmonary arterial (PA) venting is required during ECMO support. We present a case of a 14-year-old boy who required PA venting during ECMO support after resuscitation from near-drowning in freshwater. A biventricular assist device with an oxygenator implantation was intended on day 1; however, we were unable to proceed because of increasing of pulmonary vascular resistance from the acute lung injury. Central ECMO with PA venting was then performed. On day 13, central ECMO was converted to biventricular assist device with an oxygenator, which was removed on day 16. This case suggests that PA venting during ECMO support may be necessary in some cases of respiratory and circulatory failure with high pulmonary vascular resistance after near-drowning.

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