Polymorbidity and its association with the unfavorable course of chronic heart failure in outpatients aged 60 years and older

Abstract

Aim. This study was carried out to evaluate polymorbidity taking into account geriatric syndromes and their relationship with the course of chronic heart failure (CHF) in outpatients aged 60 years and older. Methods. We conducted an open, prospective, non-randomized study. The main group included 80 patients with CHF, the comparison group – 40 patients without CHF. Conducted clinical examination, ECG, echocardiography, two-photon X-ray absorptiometry. The scale of assessment of clinical status in CHF,Charlson comorbidity index were used. The criteria for frailty were the presence of at least 3 signs due FRAIL scale. Mean follow-up was 24.1±13.0 months. Results. All patients with CHF (100%) and 92.5% of the comparison group had a concomitant pathology. A combination of 3 or more of any diseases was more common in CHF compared to control group (p=0.008), CKD (66%) and obesity (35%) were the most common pathology. Combinations of osteoporosis and CKD (28%), obesity and CKD (23%) were the most frequent in the CHF patients, a combination of obesity and CKD (28%), obesity and diabetes (18%) – without CHF patients. The same incidence of osteoporosis (p=0.768), falls (p=0.980), fractures (p=0.549) and frailty (p=0.828) was observed in CHF patients and different EFLV, but prevalence of frailty was observed at the age of 75 years and older. During the observation period, 24% CHF patients and 5% patients without CHF (p=0.022) died. The worst survival of patients with ischemic genesis of CHF and osteoporosis was noted. The factors associated with an increased risk of death in CHF patients were the ischemic etiology of CHF (OR 8.33; 95% CI 1.11–62.4; p=0.039), male gender (OR 7.91; 95% CI 2.3–27.2; p=0.001), LV EF <45% (OR 2.52; 95% CI 1.01–6,27; p=0.047), low bone mineral density in femoral neck region (р=0.016, ОR 4.3, 95% CI 1.3–17.2), comorbidity score (OR 1.19; 95% CI 1.04–1.37; p=0.012), a total score on the scale of assessment of clinical status in CHF (OR 1.13; 95% CI 1.03–1.24; p=0.008). Conclusion. All СHF patients had concomitant diseases, CKD and obesity were the most common pathologies. The ischemic etiology of CHF, along with the male gender, LV EF less than 45%, severe clinical statusand high score on the Charlson comorbidity index turned out to be risk factors for death in outpatients aged 60 years and older with CHF.

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