[Risk profiling of postoperative complications in 17,644 total knee replacements].

Aim: Postoperative complications following primary total knee replacement performed between 2000 and 2002 were assessed to determine perioperative patient- and procedure-related risks associated with the procedure.

Methods: For this analysis, the data collected during postoperative hospitalization for 17,644 total knee arthroplasties were assessed. The analysis included two steps.

[Intestinal Chlamydia psittaci infection of cattle: frequency and technical aspects of the cultural detection of the agent].

With the purpose to evaluate the prevalence of latent chlamydial infections in cattle, 190 animals were examined for fecal shedding of chlamydiae. From the feces of 42 animals (22.1%) Chlamydia (C.