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  • Title: Two-year experience of the Batista operation for non-ischemic cardiomyopathy.
    Author: Suma H, Isomura T, Horii T, Sato T, Kikuchi N, Iwahashi K, Hosokawa J.
    Journal: J Cardiol; 1998 Oct; 32(4):269-76. PubMed ID: 9833234.
    Abstract:
    The Batista operation was performed in 30 patients (25 men and 5 women, mean age 47 years) to treat cardiac failure due to non-ischemic cardiomyopathy, mostly idiopathic dilated cardiomyopathy, from December 1996 to June 1998. Preoperative New York Heart Association (NYHA) class was IV in 21 patients including 17 receiving inotropic support, and class III in 9 patients. Seven patients required emergency surgery because of on-going shock and 23 patients were operated electively. Combined cardiac procedures were; mitral valve reconstruction in 26 patients (19 replacements, 7 repairs), tricuspid annuloplasty in 15, aortic valve replacement in 3 and one each of maze and coronary artery bypass grafting. All patients successfully weaned from cardiopulmonary bypass. Intraaortic balloon pump was used in 6 patients but no left ventricular assist device was used. Two of 23 patients (8.7%) who underwent elective operation died during hospitalization and 3 patients (13.0%) died in the late period. Six of 7 patients (85.7%) with emergency operation died in the hospital and only one survived. Sixteen of 19 survivors returned to NYHA class I-II, and 3 were in class III. Mean ejection fraction increased from 18 +/- 6% to 31 +/- 5%. Diastolic dimension decreased from 79 +/- 8 to 60 +/- 8 mm. End-diastolic and systolic volume indices decreased from 203 +/- 43 to 103 +/- 25 ml/m2 and from 164 +/- 39 to 70 +/- 25 ml/m2, respectively, at the second postoperative week. Six patients had ventriculography at one year after the operation, and no redilation was noted. Increased thickness of left ventricular wall was observed postoperatively. The Batista operation can be performed with relatively low risk and clinical improvement was obvious in elective operation, wheras risk is very high in emergency cases. Therefore, proper guidelines for patient selection and choice of procedure are critically important to achieve a successful outcome in the Batista operation.
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