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07.10.2016 | Short Communication | Ausgabe 2/2017

Osteoporosis International 2/2017

Incident atrial fibrillation and the risk of fracture in the cardiovascular health study

Zeitschrift:
Osteoporosis International > Ausgabe 2/2017
Autoren:
E. R. Wallace, D. S. Siscovick, C. M. Sitlani, S. Dublin, P. Mitchell, J. A. Robbins, H. A. Fink, J. A. Cauley, P. Bůžková, L. Carbone, Z. Chen, S. R. Heckbert
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1007/​s00198-016-3778-1) contains supplementary material, which is available to authorized users.

Abstract

Summary

In this prospective cohort of 4462 older adults, incident atrial fibrillation (AF) was not statistically significantly associated with subsequent risk of incident fracture.

Introduction

AF is associated with stroke, heart failure, dementia, and death, but its association with fracture is unknown. Therefore, we examined the association of incident AF with the risk of subsequent fracture in the Cardiovascular Health Study (CHS) cohort.

Methods

Of the CHS participants aged ≥65 years, 4462 were followed between 1991 and 2009, mean follow-up 8.8 years. Incident AF was identified by annual study electrocardiogram (ECG), hospital discharge diagnosis codes, or Medicare claims. Fractures of the hip, distal forearm, humerus, or pelvis were identified using hospital discharge diagnosis codes or Medicare claims. We used Cox proportional hazard models to estimate hazard ratios (HRs) and 95 % confidence intervals (CIs) for the association between incident AF (time-varying) and the risk of subsequent fracture. We also evaluated whether AF was associated with risk of sustaining a fall.

Results

Crude incident fracture rate was 22.9 per 1000 person-years in participants with AF and 17.7 per 1000 person-years in participants without AF. Individuals with incident AF were not at significantly higher risk of hip fracture (adjusted HR = 1.09, 95 % CI 0.83–1.42) or fracture at any selected site (adjusted HR = 0.97, 95 % CI 0.77–1.22) or risk of sustaining a fall (adjusted HR = 1.00, 95 % CI = 0.87–1.16) compared with those without AF.

Conclusion

In this cohort of older, community-dwelling adults, incident AF was not shown to be associated with falls or hip or other fractures.

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Zusatzmaterial
Supplementary Figure 1 (DOCX 28 kb)
198_2016_3778_MOESM1_ESM.docx
Supplementary Table 1 (DOCX 22 kb)
198_2016_3778_MOESM2_ESM.docx
Literatur
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