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Ann Thorac Surg 1997;64:390-393
© 1997 The Society of Thoracic Surgeons

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Original Articles: Cardiovascular

Heart Valve Operation in Acromegaly

Departments of Cardiovascular Surgery and Department of Cardiology, The Heart Institute of Japan, Tokyo Women's Medical College, Tokyo, Japan

Accepted for publication January 7, 1997.

Background. Intractable congestive heart failure is known as a serious complication of acromegaly, but valvular heart disease rarely occurs in acromegalic patients. We experienced 5 surgical cases of valvular heart disease associated with acromegaly. We describe the features of those cases in this report.

Methods. The patient characteristics and operative and pathologic findings were retrospectively studied.

Results. There were 4 men and 1 woman. Age at operation was 59 ± 5.5 years. Cardiac lesions consisted of 1 case of aortic regurgitation associated with mitral regurgitation, 1 of aortic regurgitation, and 3 of mitral regurgitation. Operative procedures consisted of 1 double valve replacement (aortic and mitral valve replacement), 1 aortic valve replacement, and 3 mitral valve replacements. The causes of aortic valvular regurgitation were aortic valvular degeneration and aortic annular dilatation. The causes of mitral regurgitation were chordal rupture and mitral valvular degeneration. Histopathologic examination of the excised valves showed mucopolysaccharide deposits and myxomatous degeneration of the leaflets. The myocardium showed fibrosis of interstitial spaces and endocardium, and disarrangement of muscle fibers.

Conclusions. We report 5 successful surgical cases of valvular heart disease associated with acromegaly. Earlier operation is recommended for such cases because of acromegalic cardiomyopathy.

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