[Hip fractures in patients treated with antipsychotic drugs. Study of retrospective cohorts in Catalonia].

Aten Primaria

Institut de Neuropsiquiatria i Addiccions (INAD), Parc de Salut Mar Hospital del Mar, Barcelona, España; Department of Psychiatry and Forensic Medicine (UAB), Autonomous University of Barcelona, Barcelona, España; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Barcelona, España. Electronic address:

Published: February 2022

Objective: To evaluate the incidence of hip fracture in patients with antipsychotic treatment, comparing it with that of individuals who have not been treated with antipsychotics.

Design: Retrospective cohort study of patients treated with antipsychotic drugs (TAP) and patients without known treatment (non-TAP). The observation period was 2006-2014. SITE: All primary care teams in Catalonia of the Catalan Health Institute (ICS).

Participants: Patients older than 44 years with TAP lasting at least 3 months. Control cohort: random selection of non-TAP patients matching for baseline comorbidities and other variables. A total of 22,010 are analyzed. Main measurements Incidence rate (1000× person-years: PY) of hip fracture in each group (TAP and non-TAP). Cox regression models to estimate adjusted risks (hazard ratio: HR).

Results: The hip fracture incidence rate was higher in TAP patients (5.83 vs 3.58 fractures per 1000 PY), and is higher in all strata according to sex, age and type of diagnosis. The risk of suffering a hip fracture was 60% higher (HR: 1.60 95% CI: 1.34-1.92) in the TAP group than in the non-TAP group. The risk was higher in the group with schizophrenia (HR: 3.57 95% CI: 1.75-7.30), followed by bipolar disorder (HR: 2.61; 95% CI: 1.39-4.92) and depression (HR: 1.51; 95% CI: 1.21-1.88).

Conclusions: Patients with antipsychotic treatment have a higher risk of hip fracture than those who have not been treated with antipsychotics.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8605286PMC
http://dx.doi.org/10.1016/j.aprim.2021.102171DOI Listing

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