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Cognitive impairment in patients hospitalized for congestive heart failure: data from the RICA Registry

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Abstract

The objective of this study is to determine the prevalence of cognitive impairment (CogI) in patients hospitalized for congestive heart failure, and the influence of CogI on mortality and hospital readmission. This is a multicenter cohort study of patients hospitalized for congestive heart failure enrolled in the RICA registry. The patients were divided into 3 groups according to their Short Portable Mental Status Questionnaire score: 0–3 errors (no CogI or mild CogI), 4–7 (moderate CogI) and 8–10 (severe CogI). A total of 3845 patients with a mean (SD) age of 79 (8.6) years were included; 2038 (53%) were women. A total of 550 (14%) patients had moderate CogI and 76 (2%) had severe CogI. Factors independently associated with severe CogI were age (OR 1.09, 95% CI 1.05–1.14 p < 0.001), male sex (OR 0.57, 95% CI 0.34–0.95, p = 0.031), heart rate (OR 1.01, 95% CI 1.00–1.02, p = 0.004), Charlson index (OR 1.16, 95% CI 1.06–1.27, p = 0.002), and history of stroke (OR 2.67, 95% CI 1.60–4.44, p < 0.001). Severe CogI was associated with higher mortality after one year (HR 3.05, 95% CI 2.25–4.14, p < 0.001). The composite variable of death/hospital readmission was higher in patients with CogI (log rank p < 0.001). Patients with heart failure and severe CogI are older and have a higher comorbidity burden, lower survival, and a higher rate of death or readmission at 1 year, compared to patients with no CogI.

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Acknowledgements

We gratefully acknowledge all investigators who form part of the RICA Registry. We would like to thank RICA’s Registry Coordinating Center “S&H Medical Science Service” for their quality control data, logistic support, and administrative work and Prof. Salvador Ortiz, Universidad Autónoma de Madrid and Statistical Advisor S&H Medical Science Service, for the statistical analysis of the data presented in this paper. The authors declare that there are no conflicts of interest.

RICA Registry Members

Arévalo-Lorido JC, Carrascosa S, Carrera Izquierdo M, Cepeda JM, Conde-Martel A, Díaz de Castellví S, Díez-Manglano J, Formiga F, García Bruñén JM, García Escrivá D, González Franco A, León Acuña A, Llàcer P, López-Castellanos G, Lorente Furió O, Manzano L, Montero-Pérez-Barquero M, Moreno Palanco MA, Povar Echeverria M, Quesada Simón MA, Roca Villanueva B, Romero Requena JM, Ruiz Ortega R, Salamanca Bautista MP, Soler Rangel ML, Trullàs JC, Vázquez Ronda MA.

Funding

This work was supported by an educational unrestricted scholarship granted by Novartis.

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Correspondence to Jesús Díez-Manglano.

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The study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its amendments. The study was approved by the Ethics Committee for Clinical Research of Reina Sofia Universitary Hospital in Cordoba, Spain.

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All patients, or their caregivers in case of cognitive impairment, gave an informed consent.

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We included the member of RICA Investigators Group in Acknowledgement section.

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García Bruñén, J.M., Povar Echeverria, M., Díez-Manglano, J. et al. Cognitive impairment in patients hospitalized for congestive heart failure: data from the RICA Registry. Intern Emerg Med 16, 141–148 (2021). https://doi.org/10.1007/s11739-020-02400-5

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