Presence of a left ventricular assist device (LVAD), intra-aortic balloon pump, right internal jugular Swan-Ganz catheter at the pulmonary artery entrance, right chest tube, mediastinal drain, and a mediastinal or left pleural tube, all in unchanged position from prior study. Interval placement of a nasogastric tube with side-port in the stomach.
Intraaortic balloon pump (Present) Suboptimal nasogastric tube (Present) Pleural tube (Present) LVAD (Present)