• Seung-Hun Lee, Jae-Seung Jung, Jae-Ho Chung, Kwang-Hyung Lee, Hee-Jung Kim, Ho-Sung Son, and Kyung Sun.
• Department of Thoracic and Cardiovascular Surgery, Korea University Anam Hospital, Korea University College of Medicine.
• Korean J Thorac Cardiovasc Surg. 2015 Aug 1;48(4):289-93.

AbstractA 38-year-old male was admitted with symptoms of upper respiratory infection. Despite medical treatment, his symptoms of dyspnea and anxiety became aggravated, and bilateral lung infiltration was noted on radiological imaging studies. His hypoxemia failed to improve even after the application of endotracheal intubation with mechanical ventilator care, and we therefore decided to initiate venovenous extracorporeal membrane oxygenation (VV ECMO) for additional pulmonary support. On his twentieth day of hospitalization, hypotension and desaturation (arterial saturated oxygen <85%) developed, and right ventricular failure was confirmed by two-dimensional echocardiography. Therefore, we changed from VV ECMO to venoarteriovenous (VAV) ECMO, and the patient ultimately recovered. In this case, right ventricular dysfunction and volume overloading were induced by long-term VV ECMO therapy, and we successfully treated these conditions by changing to VAV ECMO.

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