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Type: Journal article
Title: Malignant and benign phenotypes of multimorbidity in heart failure: implications for clinical practice
Author: Chen, L.
Chan, Y.K.
Busija, L.
Norekval, T.M.
Riegel, B.
Stewart, S.
Citation: Journal of Cardiovascular Nursing, 2019; 34(3):258-266
Publisher: Wolters Kluwer
Issue Date: 2019
ISSN: 0889-4655
Statement of
Lei Chen, Yih-Kai Chan, Lucy Busija, Tone M. Norekval, Barbara Riegel, Simon Stewart
Abstract: Background: The impact of different patterns of multimorbidity in heart failure (HF) on health outcomes is unknown. Objectives: The aim of this study was to test the hypothesis that, independent of the extent of comorbidity, there are distinctive phenotypes of multimorbidity that convey an increased risk for premature mortality in patients hospitalized with HF. Methods: We analyzed the clinical profile and health outcomes of 787 patients hospitalized with HF participating in a multidisciplinary HF management program with a minimum 12-month follow-up. A Classification and Regression Tree model was applied to explore the distinctive combinations of 10 most prevalent concurrent conditions (other than coronary artery disease and hypertension) associated with 12-month all-cause mortality. Results: Mean (SD) age was 74 (12) years (59% men), and 65% had left ventricular systolic dysfunction. Most patients (88%) had 3 or more comorbid conditions, with a mean of 4.3 concurrent conditions in addition to HF. A total of 248 patients (32%) died (median, 663 [IQR, 492-910] days), including 142 deaths (18%) within 12 months. Patients with concurrent dysrhythmia, anemia, and respiratory disease experienced significantly higher 12-month all-cause mortality than those without these conditions (36.1% vs 3.6%, respectively; hazard ratio, 6.1 [95% confidence interval, 2.0-19.1]). Overall, this "malignant" phenotype of multimorbidity was associated with not only a markedly increased risk of all-cause mortality but also more unplanned readmissions, longer inpatient stays, and highest costs in the short (30-day) and longer terms when compared with more "benign" phenotypes of multimorbidity. Conclusions: We found a differential pattern of health outcomes according to pattern of comorbidity present in older patients hospitalized with HF and exposed to postdischarge, multidisciplinary management.
Keywords: Comorbidity; heart failure; hospitalization; mortality; multimorbidity
Rights: © 2019 Wolters Kluwer Health, Inc. All rights reserved.
DOI: 10.1097/JCN.0000000000000557
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