PMID: 9557280Apr 29, 1998Paper

Dor operation for end-stage ischemic cardiomyopathy

Journal of cardiology
Hisayoshi SumaK Iwahashi

Abstract

Endoventricular circular patch plasty (Dor operation) was used to treat end-stage dilated ischemic cardiomyopathy in 13 patients from January to December, 1997. There were 10 men and three women aged from 57 to 78 years (mean 63 years). Single, double, triple and left main trunk coronary disease was present in one, two, eight and two patients, respectively. Mean ejection fraction was 22% (6-30%) and signs of congestive heart failure were clear in all patients [New York Heart Association (NYHA) class III in eight patients and class IV in five patients]. Angina pectoris was present in five patients. Six patients had associated significant mitral regurgitation. Coronary artery bypass grafting (mean 3.2 grafts) was used in 11 patients and mitral valve reconstruction was performed in 6 patients (4: replacement and 2: repair) combined with akinetic area exclusion by the Dor technique. All patients were successfully weaned from cardiopulmonary bypass without mechanical support and no perioperative death occurred. Three patients died in hospital at 1-2 postoperative months due to pneumonia, stroke and heart failure, respectively. Two patients died during the late period due to stroke and sudden death. Among the eight survivors, six pat...Continue Reading

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