[Economic impact of nosocomial infections].

A retrospective, analytic and descriptive study of cases of nosocomial infection at Hospital General de Zona 1, IMSS at Aguascalientes, Ags, during the last five years, was carried out. The objectives were incidence; most frequent cases; treatment, and care costs, for both the Hospital General, and Gynecology and Obstetrics Service. A calculation of costs for 1995, according to the obtained results, was done, as well; this showed the great economical, social and laboral impact produced by these complications.