Use of the Kansas City Cardiomyopathy Questionnaire for Monitoring Health Status in Patients With Aortic Stenosis
- 1 January 2013
- journal article
- research article
- Published by Wolters Kluwer Health in Circulation: Heart Failure
- Vol. 6 (1), 61-67
- https://doi.org/10.1161/circheartfailure.112.970053
Abstract
Background—Improving functional status and quality of life are important goals of treatment for patients with severe aortic stenosis. The Kansas City Cardiomyopathy Questionnaire (KCCQ) is a heart failure health status measure and has been used in studies of patients with aortic stenosis. However, its psychometric properties have not yet been evaluated in these patients. Methods and Results—We analyzed data from 955 patients, enrolled in the PARTNER trial of transcatheter aortic valve replacement, to evaluate the reliability, responsiveness, validity, and prognostic importance of the KCCQ in patients with severe aortic stenosis. The KCCQ was administered at baseline and at 1, 6, and 12 months after randomization to medical therapy, transcatheter aortic valve replacement, or surgical valve replacement. Among clinically stable patients, there were only small changes in the KCCQ domain scores over time (mean differences 0.1–4.2 points), and the intraclass correlation coefficients showed good agreement betwee...Keywords
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