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Ann Thorac Surg 1991;51:658-660
© 1991 The Society of Thoracic Surgeons
a Division of Cardiac Surgery, Department of Surgery, Brigham USA
b Women's Hospital, Harvard Medical School, Boston, Massachusetts USA
Accepted for publication September 17, 1990.
* Address reprint requests to Dr Cohn, Division of Cardiac Surgery, Brigham and Women's Hospital, 75 Francis St, Boston, MA 02115.
Two cases of severe low cardiac output and right ventricular failure after coronary artery bypass grafting necessitated pulmonary artery balloon counterpulsation after intraaortic balloon pumping and maximal inotropic/ pressor support were unsuccessful in maintaining a satisfactory cardiac output. Hemodynamic improvement was sufficient to allow removal of the device 2 and 3 days postoperatively, with survival in 1 patient. Pulmonary artery counterpulsation is less morbid in comparison with other mechanical methods of right ventricular support and is applicable in right ventricular failure of intermediate severity.
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