A Case of Aortic Valve Rereplacement due to Complications of Autoimmune Hemolytic Anemia
10.4326/jjcvs.36.45
- VernacularTitle:大動脈弁置換術後１１年目に再弁置換術を要した自己免疫性溶血性貧血の１例
- Author:
Hitoshi Suzuki
;
Hideki Ito
;
Keizo Tanaka
;
Shinji Kanemitsu
;
Jin Tanaka
;
Yoshihiko Kinoshita
- Publication Type:Journal Article
- From:Japanese Journal of Cardiovascular Surgery
2007;36(1):45-47
- CountryJapan
- Language:Japanese
-
Abstract:
A 64-year-old man who underwent aortic valve replacement with a 25mm Bjork-Shiley valve in 1993 began to have severe anemia and required repeated transfusions by November 2003. Doppler echocardiography showed only mild aortic regurgitation, but revealed turbulent flow around the mechanical valve. Autoimmune hemolytic anemia (AIHA) was diagnosed and he was treated with prednisolone (PSL) starting May 2004. Because of unremitting hemolysis requiring multiple transfusions and the occurrence of renal dysfunction, he underwent rereplacement of the aortic valve with a 25-mm Freestyle valve. His hemolysis and general condition immediately improved. This case suggests the possibility that mild regurgitant jet and turbulent jet stress can cause severe hemolysis when AIHA develops.
