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Cystatin C, left ventricular hypertrophy, and diastolic dysfunction: Data from The Heart and Soul Study
Cystatin C, left ventricular hypertrophy, and diastolic dysfunction: Data from The Heart and Soul Study 46th Annual Meeting of the Council-on-Epidemiology-and-Prevention Ix, J. H., Shlipak, M. G., Chertow, G. M., Ali, S., Schiller, N. B., Whooley, M. A. CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS. 2006: 601–7Abstract
Impaired kidney function, as measured by serum cystatin C, is associated with risk of incident heart failure. Whether cystatin C is associated with preclinical cardiac structural abnormalities is unknown. We evaluate whether cystatin C is associated with left ventricular hypertrophy, diastolic dysfunction, and systolic dysfunction among 818 outpatients with coronary artery disease who were free of clinical heart failure.The 818 study participants were categorized into quartiles based on serum cystatin C concentrations, with < or =0.91 mg/L constituting the lowest quartile (I) and > or =1.28 mg/L constituting the highest (IV). Left ventricular hypertrophy (left ventricular mass index >90 g/m(2) by truncated ellipsoid method), diastolic dysfunction (impaired relaxation, pseudo-normal, or restrictive filling patterns) and systolic dysfunction (left ventricular ejection fraction < or =50%) were determined by echocardiography. Left ventricular hypertrophy was present in 68% of participants in quartile IV, compared with 44% of those in quartile I (adjusted odds ratio [OR] 2.17; 95% confidence interval [CI] 1.34 to 3.52; P = .002). Diastolic dysfunction was present in 52% of participants in quartile IV, compared with 24% of those in quartile I (adjusted OR 1.79; 95% CI 1.04 to 3.11; P = .04). Systolic dysfunction was present in 12% of those in quartile IV, compared with 6% of those in quartile I (adjusted OR 1.83; 95% CI 0.75 to 4.46; P = .15).Higher cystatin C concentrations are strongly associated with left ventricular hypertrophy and diastolic dysfunction in outpatients with coronary artery disease and without heart failure.
View details for DOI 10.1016/j.cardfail.2006.07.005
View details for Web of Science ID 000241534400003
View details for PubMedID 17045178
View details for PubMedCentralID PMC2799994