European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery · 2005
Conversion to sinus rhythm does not improve long-term survival after valve surgery: insights from a 20-year follow-up study.
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Chaput Miguel, Bouchard Denis, Demers Philippe, Perrault Louis P, Cartier Raymond, Carrier Michel, Pagé Pierre, Pellerin Michel
Аннотация
OBJECTIVE: Atrial fibrillation (AF) is frequently associated with valvular heart disease and a common complication of valve surgery. Its contribution to long-term mortality and morbidity remains debated. Our objective was to determine the impact of AF on long-term mortality and embolic complications after valvular surgery and the benefit of conversion to sinus rhythm. This may provide insight to the clinical advantages of surgical anti-AF procedures.
METHODS: Data concerning rhythm status, mortality and embolic complications were prospectively collected for 5466 patients with valve surgery. Patients had surgery between 1979 and 2003. Follow-up was complete and all patients had a yearly EKG.
RESULTS: Patients with preoperative AF had poorer long-term survival than patients without preoperative AF (20-year survival 23.7 and 33.4%, respectively, P<0.0001). However, preoperative AF was not an independent risk factor of long-term mortality (HR=1.04, P=0.6). In patients with preoperative sinus rhythm, postoperative development of AF had an impact on long-term mortality (HR=1.46, P=0.0012). In patients with preoperative AF, postoperative rhythm did not influence mortality when adjusted for other variables (AF vs. sinus rhythm, HR=1.07, P=0.5709). Mitral valve surgery (HR=1.55, P=0.0270) but not preoperative or postoperative AF had a significant impact on the advent of embolic complications.
CONCLUSIONS: The conversion to sinus rhythm did not improve long-term survival or reduce the incidence of embolic complications after valve surgery. Patients with preoperative AF had poorer survival than patients without preoperative AF. AF may be a marker of advanced disease in these patients.
METHODS: Data concerning rhythm status, mortality and embolic complications were prospectively collected for 5466 patients with valve surgery. Patients had surgery between 1979 and 2003. Follow-up was complete and all patients had a yearly EKG.
RESULTS: Patients with preoperative AF had poorer long-term survival than patients without preoperative AF (20-year survival 23.7 and 33.4%, respectively, P<0.0001). However, preoperative AF was not an independent risk factor of long-term mortality (HR=1.04, P=0.6). In patients with preoperative sinus rhythm, postoperative development of AF had an impact on long-term mortality (HR=1.46, P=0.0012). In patients with preoperative AF, postoperative rhythm did not influence mortality when adjusted for other variables (AF vs. sinus rhythm, HR=1.07, P=0.5709). Mitral valve surgery (HR=1.55, P=0.0270) but not preoperative or postoperative AF had a significant impact on the advent of embolic complications.
CONCLUSIONS: The conversion to sinus rhythm did not improve long-term survival or reduce the incidence of embolic complications after valve surgery. Patients with preoperative AF had poorer survival than patients without preoperative AF. AF may be a marker of advanced disease in these patients.