Francesc Formiga1, Rafael Moreno-Gonzalez2, David Chivite2, Jonathan Franco3, Abelardo Montero2, Xavier Corbella2,4. 1. Geriatric Unit, Internal Medicine Department, Universitary Hospital Bellvitge-IDIBELL, 08907 L'Hospitalet de Llobregat, Barcelona, Spain. fformiga@bellvitgehospital.cat. 2. Geriatric Unit, Internal Medicine Department, Universitary Hospital Bellvitge-IDIBELL, 08907 L'Hospitalet de Llobregat, Barcelona, Spain. 3. Internal Medicine Service, Hospital Universitari Quiron Dexeus, Barcelona, Spain. 4. Hestia Chair in Integrated Health and Social Care, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, Barcelona, Spain.
Abstract
BACKGROUND: Comorbidity is related to poor health results in chronic heart failure (HF). AIMS: The purpose of the study was to assess whether a high Charlson Comorbidity Index score (CCI) relates to 1 year mortality after a first hospitalization for acute HF (AHF). METHODS: We reviewed the medical records of 897 patients > 65 years of age admitted within a two-year period because of a first episode of AHF. We analyzed two groups: low (CCI ≤ 2) and high (CCI > 2) comorbidity. RESULTS: Patients' mean CCI was 2.2 ± 1.7; 344 patients (38.35%) had a CCI > 2. 1-year all-cause mortality rate in the high comorbidity group was 32.6%, worse than that among low comorbidity group patients (23.7%, p = 0.002). Cox multivariate analysis identified a CCI > 2 as an independent risk factor for 1-year mortality (p = 0.002; HR: 1.525; CI 95% 1.161-2.003), along with older age, history of arterial hypertension, and higher admission heart rate and serum potassium values. Analyzing CCI as a continuous variable, the association remained is also significant (p = 0.0001; HR 1.145; CI 95% 1.069-1.854). CONCLUSIONS: Higher global comorbidity (CCI > 2) at the time of a first hospitalization because of AHF is an independent predictor of mid-term post-discharge mortality among elderly HF patients.
BACKGROUND: Comorbidity is related to poor health results in chronic heart failure (HF). AIMS: The purpose of the study was to assess whether a high Charlson Comorbidity Index score (CCI) relates to 1 year mortality after a first hospitalization for acute HF (AHF). METHODS: We reviewed the medical records of 897 patients > 65 years of age admitted within a two-year period because of a first episode of AHF. We analyzed two groups: low (CCI ≤ 2) and high (CCI > 2) comorbidity. RESULTS:Patients' mean CCI was 2.2 ± 1.7; 344 patients (38.35%) had a CCI > 2. 1-year all-cause mortality rate in the high comorbidity group was 32.6%, worse than that among low comorbidity group patients (23.7%, p = 0.002). Cox multivariate analysis identified a CCI > 2 as an independent risk factor for 1-year mortality (p = 0.002; HR: 1.525; CI 95% 1.161-2.003), along with older age, history of arterial hypertension, and higher admission heart rate and serum potassium values. Analyzing CCI as a continuous variable, the association remained is also significant (p = 0.0001; HR 1.145; CI 95% 1.069-1.854). CONCLUSIONS: Higher global comorbidity (CCI > 2) at the time of a first hospitalization because of AHF is an independent predictor of mid-term post-discharge mortality among elderly HF patients.
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