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Association of Mental Disorders and Related Medication Use With Risk for Major Osteoporotic Fractures

Association of Mental Disorders and Related Medication Use With Risk for Major Osteoporotic... ImportanceOsteoporotic fractures are a leading cause of disability, costs, and mortality. FRAX is a tool used to assess fracture risk in the general population. Mental disorders and medications to treat them have been reported to adversely affect bone health, but, to date, they have not been systematically studied in relation to osteoporotic fractures. ObjectiveTo examine the association of mental disorders and psychotropic medication use with osteoporotic fracture risk in routine clinical practice. Design, Setting, and ParticipantsIn this population-based cohort study, bone mineral density and risk factors were used to calculate FRAX scores using data from the Manitoba Bone Density Program database of all women and men 40 years of age or older in Manitoba, Canada, referred for a baseline dual-energy x-ray absorptiometry scan from January 1, 1996, to March 28, 2013. Population-based health services data were used to identify primary mental disorders during the 3 prior years, psychotropic medication use during the prior year, and incident fractures. Cox proportional hazards regression models estimated the risk for incident fractures based on mental disorders and use of psychotropic medications. Data analysis was conducted from November 25, 2013, to October 15, 2016. Main Outcomes and MeasuresIncident nontraumatic major osteoporotic fractures (MOFs) and hip fractures. ResultsOf the 68 730 individuals (62 275 women and 6455 men; mean age, 64.2 [11.2] years) in the study, during 485 322 person-years (median, 6.7 years) of observation, 5750 (8.4%) sustained an incident MOF, 1579 (2.3%) sustained an incident hip fracture, and 8998 (13.1%) died. In analyses adjusted for FRAX score, depression was associated with MOF (adjusted hazard ratio [aHR], 1.39; 95% CI, 1.27-1.51; P < .05) and hip fracture (aHR, 1.43; 95% CI, 1.22-1.69; P < .05) before adjustment for medication use, but these associations were not significant after adjustment for medication use. In contrast, the use of selective serotonin reuptake inhibitors (aHR for MOF, 1.43; 95% CI, 1.27-1.60; P < .05; aHR for hip fracture, 1.48; 95% CI, 1.18-1.85; P < .05), antipsychotics (aHR for MOF, 1.43; 95% CI, 1.15-1.77; P < .05; aHR for hip fracture, 2.14; 95% CI, 1.52-3.02; P < .05), and benzodiazepines (aHR for MOF, 1.15; 95% CI, 1.04-1.26; P < .05; aHR for hip fracture, 1.24; 95% CI, 1.05-1.47; P < .05) were each independently associated with significantly increased risk for both MOF and hip fracture. FRAX significantly underestimated the 10-year risk of MOF by 29% and of hip fracture by 51% for those with depression. It also underestimated the 10-year risk of MOF by 36% for use of selective serotonin reuptake inhibitors, by 63% for use of mood stabilizers, by 60% for use of antipsychotics, and by 13% for use of benzodiazepines. FRAX underestimated the 10-year risk of hip fracture by 57% for use of selective serotonin reuptake inhibitors, by 98% for use of mood stabilizers, by 171% for use of antipsychotics, and by 31% for use of benzodiazepines. FRAX correctly estimated fracture risk in people without mental disorders and those not taking psychotropic medications. Conclusions and RelevanceMental disorders and medication use were associated with an increased risk for fracture, but in simultaneous analyses, only medication use was independently associated with fracture. Depression and psychotropic medication use are potential risk indicators that are independent of FRAX estimates. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA Psychiatry American Medical Association

Association of Mental Disorders and Related Medication Use With Risk for Major Osteoporotic Fractures

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References (40)

Publisher
American Medical Association
Copyright
Copyright 2017 American Medical Association. All Rights Reserved.
ISSN
2168-622X
eISSN
2168-6238
DOI
10.1001/jamapsychiatry.2017.0449
pmid
28423154
Publisher site
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Abstract

ImportanceOsteoporotic fractures are a leading cause of disability, costs, and mortality. FRAX is a tool used to assess fracture risk in the general population. Mental disorders and medications to treat them have been reported to adversely affect bone health, but, to date, they have not been systematically studied in relation to osteoporotic fractures. ObjectiveTo examine the association of mental disorders and psychotropic medication use with osteoporotic fracture risk in routine clinical practice. Design, Setting, and ParticipantsIn this population-based cohort study, bone mineral density and risk factors were used to calculate FRAX scores using data from the Manitoba Bone Density Program database of all women and men 40 years of age or older in Manitoba, Canada, referred for a baseline dual-energy x-ray absorptiometry scan from January 1, 1996, to March 28, 2013. Population-based health services data were used to identify primary mental disorders during the 3 prior years, psychotropic medication use during the prior year, and incident fractures. Cox proportional hazards regression models estimated the risk for incident fractures based on mental disorders and use of psychotropic medications. Data analysis was conducted from November 25, 2013, to October 15, 2016. Main Outcomes and MeasuresIncident nontraumatic major osteoporotic fractures (MOFs) and hip fractures. ResultsOf the 68 730 individuals (62 275 women and 6455 men; mean age, 64.2 [11.2] years) in the study, during 485 322 person-years (median, 6.7 years) of observation, 5750 (8.4%) sustained an incident MOF, 1579 (2.3%) sustained an incident hip fracture, and 8998 (13.1%) died. In analyses adjusted for FRAX score, depression was associated with MOF (adjusted hazard ratio [aHR], 1.39; 95% CI, 1.27-1.51; P < .05) and hip fracture (aHR, 1.43; 95% CI, 1.22-1.69; P < .05) before adjustment for medication use, but these associations were not significant after adjustment for medication use. In contrast, the use of selective serotonin reuptake inhibitors (aHR for MOF, 1.43; 95% CI, 1.27-1.60; P < .05; aHR for hip fracture, 1.48; 95% CI, 1.18-1.85; P < .05), antipsychotics (aHR for MOF, 1.43; 95% CI, 1.15-1.77; P < .05; aHR for hip fracture, 2.14; 95% CI, 1.52-3.02; P < .05), and benzodiazepines (aHR for MOF, 1.15; 95% CI, 1.04-1.26; P < .05; aHR for hip fracture, 1.24; 95% CI, 1.05-1.47; P < .05) were each independently associated with significantly increased risk for both MOF and hip fracture. FRAX significantly underestimated the 10-year risk of MOF by 29% and of hip fracture by 51% for those with depression. It also underestimated the 10-year risk of MOF by 36% for use of selective serotonin reuptake inhibitors, by 63% for use of mood stabilizers, by 60% for use of antipsychotics, and by 13% for use of benzodiazepines. FRAX underestimated the 10-year risk of hip fracture by 57% for use of selective serotonin reuptake inhibitors, by 98% for use of mood stabilizers, by 171% for use of antipsychotics, and by 31% for use of benzodiazepines. FRAX correctly estimated fracture risk in people without mental disorders and those not taking psychotropic medications. Conclusions and RelevanceMental disorders and medication use were associated with an increased risk for fracture, but in simultaneous analyses, only medication use was independently associated with fracture. Depression and psychotropic medication use are potential risk indicators that are independent of FRAX estimates.

Journal

JAMA Psychiatry – American Medical Association

Published: Jun 19, 2017

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