[Mortality risk factors in ventilator associated pneumonia].

Objective: to identify lethality and mortality rates and, mortality risk factors in ventilator associated pneumonia (VAP) on 114 patients treated between 2000 and 2007.

Method: Twenty five risk factors were analyzed, emphasizing age, gender, APACHE score, associated diseases, hypotension at intake, coma, hospitalization time, length of time of ventilation, emergency intubation, reintubation, previous antibiotics, and resistant microrganisms.

Results: Lethality was 25.

[Cost and outcome of hip's arthroplasty nosocomial infection. Case and control study].

Case-control study for evaluation of cost and outcome of nosocomial surgical site infection in primary hip arthroplasty during a period of 5 years. Mean hospitalization time in the orthopedic service was 54 days for cases, and 13 days for control (p<0.05).