[Impact of hospital infection on medical expenditures in a continuing care and rehabilitation service at a geriatric hospital].

The costs of medical expenditures such as drugs, medical devices (MD), biological assays and nurses workload, were measured, before and after the onset of nosocomial infection (NI), in rehabilitation care departments of a 1000-beds geriatric teaching hospital. Data were collected retrospectively in medical records and nursing records. Nurse's workload was measured by the French indicator "Soins Infirmiers Personnalisé à la Personne Soignée" (SIIPS). A week before and a week after the diagnosis of hospital-acquired infection, medical consumptions were compared. During the study 38 of the 206 patients admitted in rehabilitation care wards presented hospital-acquired infection. Data were collected for 31 of these 38 patients. Nosocomial infections are associated with an increased pharmaceutical dispensing: medication (mainly antibiotics) and medical device's cost; and an increased nurse's workload. This study suggests that infection surveillance may be helpful to a better understanding of pharmaceutical dispensing variation in geriatric rehabilitation care departments.