THE CLINICAL COURSE OF CHRONIC HEART FAILURE WITH PRESERVED AND INTERMEDIATE LEFT VENTRICULAR EJECTION FRACTION
DOI:
https://doi.org/10.11603/1811-2471.2019.v.i4.10797Keywords:
chronic heart failure, ejection fractionAbstract
The aim of the study was to evaluate the clinical features of chronic heart failure (CHF) course in patients with preserved (CHF-pEF) and intermediate (CHF-intEF) left ventricle ejection fraction (LVEF).
Material and Methods. The study included 129 patients with CHF. The average age was (69.2±11) years, men 63.2 %. CHF developed on the background of hypertension in 88 %, CHD – in 76 %, cardiomyopathy – in 9 % of cases. Patients were divided into three groups: group 1 comprised 36 patients with low LVEF – CHF-pEF, group 2 – 33 patients with intermediate LVEF – CHF-pEF, and group 3 of 60 patients with preserved LVEF – CHF-intEF.
Results. Patients older than 60 years were 91.4 %, 74.3 %, 62.1 %, respectively, in the groups. Hypertension was observed in 78 %, 85.6 %, 92.6 %, respectively. Metabolic syndrome was detected in group 1 in 18 %, in group 2 – in 31 %, in group 3 – in 38 % of patients. The presence of type II diabetes was observed in 22.8 %, 32.7 %, 41.4 %; postinfarction cardiosclerosis was observed in 82.3 %, 70.6 %, 21.4 %, respectively, in the groups. A heart rate of more than 90 beats per 1 min during hospitalization was observed in 41.4 %, 33.6 %, 17.5 %. Atrial fibrillation was recorded in 39.3 %, 40.9 %, 24.8 %, respectively, in groups, left ventricular hypertrophy by ECG in 93.7 %, 96.2 %, 80.2 % of cases, respectively. LV dilatation by echocardiography was observed in 88.4 %, 60.9 %, 8.2 % of cases, respectively, in groups.
Conclusions. The group with CHFpEF predominated with people of a younger age and male in the study. This group differed from other groups in that in these patients the indicators were closer to the group of patients with CHF-pEF and differed from the group with CHF-intEF: they were less likely to have hypertension, more often postinfarction cardiosclerosis, tachycardia upon admission, dilatation of the left ventricle and atrial fibrillation.
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