title: Single-center experience with the bicarbon bileaflet prosthetic heart valve in Japan.
abstract: We analyzed midterm results using the Bicarbon valve in a single center. Forty-four patients had aortic valve replacement (AVR), 48 had mitral valve replacement (MVR), and 13 had both aortic and mitral valve replacement (DVR). The mean age of the 105 patients was 61.2 +/- 11.3 years. The mean follow-up was 1.8 +/- 1.1 years with a cumulative follow-up of 188 patient-years. There were 5 early deaths (4.7%: 4 in the AVR group and 1 in the MVR group) and 5 late deaths (2.7% per patient-year: 3 malignancy, 1 cerebral hemorrhage, 1 myocardial infarction). Survival at 3 years was 91 +/- 4% in the AVR group, 92 +/- 5% in the MVR group, and 66 +/- 23% in the DVR group. The linearized incidence of thromboembolic complications, hemorrhagic complications, and paravalvular leaks in all patients was 1.06 +/- 2.34%, 1.60 +/- 2.53%, and 0.53 +/- 2.22% per patient-year, respectively. No other complications were observed. In conclusion, the Bicarbon prosthetic heart valve has shown excellent clinical results associated with a low incidence of valve-related complications.
authors.affiliation: Division of Cardiovascular Surgery, Jichi Medical School, Tochigi, Japan. tcvmisa@jichi.ac.jp
authors.forename: Yoshio
authors.initials: Y
authors.lastname: Misawa
authors.forename: Tsutomu
authors.initials: T
authors.lastname: Saito
authors.forename: Hiroaki
authors.initials: H
authors.lastname: Konishi
authors.forename: Shin-ichi
authors.initials: S
authors.lastname: Oki
authors.forename: Yuichiro
authors.initials: Y
authors.lastname: Kaminishi
authors.forename: Yasuhiro
authors.initials: Y
authors.lastname: Tezuka
authors.forename: Kei
authors.initials: K
authors.lastname: Aizawa
authors.forename: Hideki
authors.initials: H
authors.lastname: Takahashi
authors.forename: Nobuyuki
authors.initials: N
authors.lastname: Hasegawa
authors.forename: Osamu
authors.initials: O
authors.lastname: Kamisawa
authors.forename: Morito
authors.initials: M
authors.lastname: Kato
authors.forename: Katsuo
authors.initials: K
authors.lastname: Fuse
mesh_terms: D000368:Aged; D001021:Aortic Valve / Q000601:surgery*; D019917:Blood Vessel Prosthesis Implantation / Q000009:adverse effects*; D005260:Female; D005500:Follow-Up Studies; D006349:Heart Valve Diseases / Q000401:mortality* / Q000601:surgery*; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery*; D011183:Postoperative Complications; D012189:Retrospective Studies; D015996:Survival Rate; D013997:Time Factors; D016896:Treatment Outcome