Document Detail


The unrecognized burden of osteoporosis-related vertebral fractures in patients with heart failure.
MedLine Citation:
PMID:  21558449     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Heart failure (HF) is associated with several factors that contribute to both reduced bone mineral density and increased risk of osteoporosis-related fractures. Our objectives were to describe the prevalence and predictors of the most common osteoporotic fracture, vertebral compression fractures (VCF), in patients with HF.
METHODS AND RESULTS: We conducted a cross-sectional study in a random sample of patients attending a tertiary care HF Clinic in Edmonton, Alberta, Canada. We collected sociodemographic, clinical, medication, and chest radiograph information. Primary outcome was board-certified radiologist-documented VCF on chest radiographs. Multivariable logistic regression was used to determine independent correlates of VCF. Overall, 623 patients with HF were included; 32% were over 75 years of age, 31% were women, 65% had ischemic cardiomyopathy, and 38% had atrial fibrillation. Prevalence of VCF was 77 of 623 (12%; 95% confidence interval, 10% to 15%), and 42 of 77 (55%) patients had multiple fractures. Only 15% of those with VCF were treated for osteoporosis. In multivariable analyses adjusted for age, female sex, weight, and medications, the only remaining predictors independently associated with fracture were atrial fibrillation (present in 42 of 77 [55%] of those with VCF versus 197 of 540 [36%] of those without; adjusted odds ratio, 2.1; 95% confidence interval, 1.2 to 3.6; P=0.009) and lipid-lowering drugs (used by 36 of 77 [47%] of those with VCF versus 342 of 540 [63%] of those without; adjusted odds ratio, 0.2; 95% confidence interval, 0.1 to 0.9; P=0.03).
CONCLUSIONS: About one-tenth of HF patients had a chest radiograph-documented VCF, and half of those with VCF had multiple fractures; most (85%) were not receiving an osteoporosis-specific therapy. A previously unrecognized risk factor-atrial fibrillation-was found to be independently associated with VCF. Chest radiograph reports may represent an important case-finding tool for osteoporosis-specific VCF, particularly in HF patients with atrial fibrillation.
Authors:
Kristin J Lyons; Sumit R Majumdar; Justin A Ezekowitz
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2011-05-10
Journal Detail:
Title:  Circulation. Heart failure     Volume:  4     ISSN:  1941-3297     ISO Abbreviation:  Circ Heart Fail     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-07-20     Completed Date:  2011-09-15     Revised Date:  2011-10-27    
Medline Journal Info:
Nlm Unique ID:  101479941     Medline TA:  Circ Heart Fail     Country:  United States    
Other Details:
Languages:  eng     Pagination:  419-24     Citation Subset:  IM    
Affiliation:
Department of Medicine, University of Alberta, Edmonton, Canada.
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MeSH Terms
Descriptor/Qualifier:
Aged
Aged, 80 and over
Atrial Fibrillation / complications
Canada
Cost of Illness*
Cross-Sectional Studies
Female
Heart Failure / complications*
Humans
Logistic Models
Male
Middle Aged
Osteoporotic Fractures / epidemiology*,  radiography*
Prevalence
Radiography, Thoracic
Risk Factors
Grant Support
ID/Acronym/Agency:
//Canadian Institutes of Health Research

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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