Early and late prognosis following valve replacement for XXXX .

@entity1 @entity794 @entity532 @entity281 @entity204 @entity3555
Between 1983 and 1922 70 @entity1 of the author's institution underwent valve replacement for @entity3555 . In 22 cases the source of @entity281 could be identified. Among them the most frequent source of @entity281 was dental manipulation (7 @entity1 ). The predominating causative microorganism was Streptococcus viridans followed by @entity794 . Preoperative complications, the intraoperative finding of extensive destructions, and the histological finding of acute changes influenced significantly the occurrence of perioperative complications. 20 @entity1 died (28.6% overall mortality), there were 9 perioperative @entity204 (perioperative survival 87.1%). The one-year survival was 73.8% the five-year survival 61.5%. Significant risk factors for the prognosis were @entity532 , positive bacteriological result of the analyzed resected valves, perioperative complications, duration of the postoperative antibiotic treatment, and the postoperative NYHA functional class. Therefore one should intervene surgically before @entity532 appear. Perioperative complications must by treated immediately, and an adequate postoperative antibiotic therapy must be guaranteed.
