A novel veno-arteriovenous extracorporeal membrane oxygenation with double pump for the treatment of Harlequin syndrome.

Objectives: The Harlequin syndrome is a complication observed in patients receiving peripheral venoarterial extracorporeal membrane oxygenation. This condition is defined as a critical variation in the oxygen saturation between the upper and the lower part of the body deriving from a poor lung function.

Methods: Between July 2018 and November 2019, a total of 60 patients (42 men and 18 women; mean age 57.