The hospital falls are a constant problem that increasingly becomes more important in the inpatient acute care institutions, however there is no clarity on the factors most important modifiable risk because most of the scales of measurement and prevention behaviors are extrapolated from studies in chronic care institutions. The problem becomes more important at this time and that its impact negatively impacts the quality indicators of an institution and of disability and death. Materials and methods: A case-control study based on the crash logs and medical records of an acute care facility Cardioinfantil Foundation - Institute of Cardiology in Bogotá (Colombia). Medical records were evaluated and committee records of 479 hospital patients fall 245 cases and 234 controls from January 2002 to July 2010. Results: We evaluated 60 variables and we made a descriptive characterization of the mechanism of fall and the consequences of the fall. The results were 16 variables with statistically significant OR, of which only 6 completed the logistic regression with high statistical significance (p = <0.001), among which are: Disabled, Cardiovascular Diagnosis and delirium. Conclusions: There are possibly modifiable risk factors in acute care institutions among which are common to chronic care facilities and other hospitals themselves trained for acute patient care. Keywords: Fall. Hospital. Injury. Risk factors, cases and conttroles
