山梨医科大学雑誌　第6巻3号　151-158(1991)

Seven Years' Experience with Cardiac Valve Surgery in Consecutive
Patients over Sixty Years of Age

Tetsunosuke MATSUKAWA, Ryoichi HASHIMOTO, Shinpei YOSHII, Shigeru HOSAKA,
Hiroshi NAKAGOMI, Osamu SUZUKI, Shoji SUZUKI, Shunji MUTO, Koichiro NISHIDA,
Junya KATO, Shigeo AKIMOTO, Masaru IWASAKI, Kihachiro KAMIYA, and Akira UENO

Abstract: From May 1984 through March 1991, 19 consecutive patients 60 years of age and older (mean age 65.9; range 60-78 years) underwent valvular surgery. These comprised 6 isolated aortic valve replacements (Group 1), 9 isolated mitral valve replacements and one mitral commissurotomy (Group 2), and 3 patients with combined aortic and mitral procedures (Group 3) which included replacement of at least the aortic valve. Carpentier-Edwards bioprosteses were used in most cases. Three patients had undergone previous cardiac operations. Five Patients underwent semi-emergency procedures for acute valve perforation due to infectious endocarditis and prosthetic valve failures. Operative mortality was 11% (2/19 patients). Late death occured in two patients, but the cause of death was not related to prosthetic valves in either. At follow-up, the 15 surviving patients were in New York Heart Association functional class I or II.

Key words: Cardiac valve surgery, Patients over 60 years of age




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