Determinants and prognostic importance of cardiomegaly among new ESRD patients in the United States

Annals of Epidemiology
Austin G StackCharles Henry

Abstract

Cardiomegaly is a radiographic abnormality of major prognostic importance in the general population. We explored the clinical correlations and mortality impact of cardiomegaly in new end-stage renal disease (ESRD) patients from the Dialysis Morbidity and Mortality Study Wave 2. Radiographic data denoting the presence or absence of cardiomegaly were available for 97% (n=3908) of the entire cohort. Multivariate logistic regression explored relationships between potential uremic factors and known traditional cardiovascular disease (CVD) factors with cardiomegaly and Cox regression estimated the mortality risk associations over 2 years. The prevalence of cardiomegaly was 26%. Multivariate analysis identified: age (adjusted odds ratio [OR]=1.30 per 10 years older), black race (OR=1.33) diabetes (OR=1.26), hypertension (OR=1.28), tobacco use (OR=1.17), serum albumin (OR=1.36 per 1 g/dL lower), and extremes of body mass index (BMI) (OR=1.24 for BMI<21.1 and OR=1.10 for BMI>30.0 compared with referent [21.1-23.3 Kg/m2]) as significant correlates. The impact of cardiomegaly on mortality was greatest in the first 12 months (RR=1.56; CI, 1.33-1.83) and persisted for up to 2 years (RR=1.44; CI, 1.27-1.62). Interestingly, the likelihood of ...Continue Reading

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Citations

Jan 29, 2011·Therapeutic Apheresis and Dialysis : Official Peer-reviewed Journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy·Kuan-Hsing ChenJa-Liang Lin

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