Annals of clinical research
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A prospective study of postoperative infectious complications after open-heart surgery was carried out in 885 patients. A total 200 postoperative infections occurred in 173 patients, an overall incidence was 19.5%. The mortality rate was 0.8%. ⋯ Although E. coli was the causative agent in 37% of postoperative urinary tract infections the incidence of infection by the classical hospital-acquired organisms (klebsiella and pseudomonas) was also high (32%). Postoperative infections caused an average prolongation of hospital stay of 8 days. The increase was shortest for urinary tract infections (5 days) and longest in patients with postoperative mediastinitis (28 days).