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  • Title: [Survival of a patient with postinfarction ventricular septal defect following venoarterial bypass with centrifugal pump and reoperation for residual shunt].
    Author: Ohuchi H, Fukuda I, Matsuzaki K.
    Journal: Kyobu Geka; 1996 Sep; 49(10):838-41. PubMed ID: 8828329.
    Abstract:
    A 61-year-old man was hospitalized because of circulatory collapse due to postinfarction ventricular septal defect. As his hemodynamic condition deteriorated despite intraaortic counterpulsation, he underwent patch closure of VSP and patch reconstruction of the anterior left ventricular wall concomitant with coronary artery bypass grafting to the circumflex lesion immediately after admission. Femorofemoral circulatory assist with centrifugal pump was necessitated to wean from cardiopulmonary bypass because of severe left ventricular dysfunction. Circulatory assist was controlled to maintain mixed venous oxygen saturation of more than 70% under mild hypothermia. On the second postoperative day (POD), increased oxygen saturation from right atrium to pulmonary artery developed (Qp/Qs = 2.1). Further surgery was performed on an emergency basis for additional patch closure of VSP. Then he was successfully weaned from cardiopulmonary bypass successfully. The patient was extubated on the 14th POD and was ambulatory when he discharged on the 56th POD. Immediate surgical intervention should be performed for the patient with postinfarction ventricular septal defect when the hemodynamic state deteriorates under intraaortic counterpulsation.
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