Summary Osteoporosis is an underdiagnosed disease that results in bone fragility and risk of fractures. Fracture Liaison Service (FLS) is a secondary prevention model which identifies patients at risk for fragility fractures. The introduction of a FLS protocol showed an increase of anti-osteoporotic drug prescription and significant reduction of all-cause mortality. Introduction Hip fractures are the most severe osteoporotic fracture due to their associated disability and elevated risk of mortality. FLS programs have enhanced the management of osteoporosis-related fractures. Our objective is to analyze the effect of the FLS model over survival and 2-year mortality rate following a hip fracture. Methods We conducted a prospective cohort study on patients over 60 years of age who suffered a hip fracture during 3 consecutive years, before and after the implementation of the FLS in our center (i.e., between January 2016 and December 2018). Patients’ information was withdrawn from our local computerized database. Patients were followed for 2 years after the hip fracture. Mortality and re-fracture rates were compared between the two groups using a multivariate Cox proportional hazard model. Results A total of 1101 patients were included in this study (i.e., 357 before FLS implementation and 744 after FLS implementation). Anti-osteoporotic drugs were more frequently prescribed after FLS implementation (583 (78.4%) vs 44 (12.3%); p < 0.01). There was an increase of adherence to treatment after FLS implementation (227 (38.9%) vs 12 (3.3%); p = 0.03). A total of 222 (29.8%) patients after FLS implementation and 114 (31.9%) individuals before FLS implementation ( p = 0.44) died during the follow-up period. A second fracture occurred in 49 (6.6%) patients after FLS implementation and in 26 (7.3%) individuals before FLS implementation ( p = 0.65). Patients who were treated with anti-osteoporotic drugs after the implementation of the FLS protocol had a lower all-cause 1-year and 2-year mortality compared with patients managed before the implementation of the FLS protocol (adjusted hazard ratio (HR) 0.75, 95% confidence interval (CI) 0.59–0.96; HR 0.87, 95% CI 0.69–1.09, respectively). Conclusions The implementation of a FLS protocol was associated with an increase of anti-osteoporotic treatment, higher adherence, and greater survival in elderly hip fracture patients. There was a significant reduction of all-cause mortality in the FLS patients treated with anti-osteoporotic. However, the application of the FLS did not affect the risk of suffering a second fragility fracture.

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