[Pharmacoepidemiological study of the use of psychotropics in hospitalized patients].

Objective: To assess consumption and the exposition of patients admitted to the Universitary Hospital of the Interamerican Open University (UAI), between October and December of 2007-2009.

Methods: Descriptive observational study. The information was obtained of the Pharmacia Sector. We analyze the dispensations (Units); the exposition was evaluated using the defined daily dose per 100 beds/day. We analyzed how many of the psychotropics used were considerated essentials drugs for the WHO. We assessed the adverse drug reactions registered.

Results: The psychopharmacological drugs represented the 43%, 41%, and the 44% (period 2007-2009) of the drugs used for the Central Nervous System. The benzodiazepines represented more of the 50% of the psychopharmacological drugs used. The exposure was respectively of 57%, 66%, and 40% (for all the patients admitted to the hospital on period 2007-2009). The essential medicines used fluctuate between 41% and 48%. From 32 adverse reactions connected with the Central Nervous System, 20 (62.5%) were attributed to psychotropics.

Conclusions: 1. We established the quantity of the psychotropics dispensations, as well as the level of the exposure. 2. The psychotropic utilization of the essentials medicines list of the WHO was above 40%.