The article presents the results of a study of changes in the lipid spectrum of the bloodplasma and certain indicators of Holter monitoring and echocardiographic data in patientswith coronary heart disease (CHD) and hypothyroidism who were in a cardiology hospital.The incidence of hypothyroidism in cardiac patients was 2.8 %. In patients with ischemicheart disease and hypothyroidism, no reliable correlation has been established betweenthe presence of hypothyroidism and dyslipidemia, but a high incidence of hypercholesterolemiaand increased levels of low-density lipoprotein cholesterol was found in patients with ischemicheart disease in combination with hypothyroidism, as in the control group. Extrasystolewas determined in all patients with coronary artery disease, regardless of the presence of hypothyroidism. Only 2.7 % of patients with coronary artery disease and hypothyroidismhad a decrease in myocardial contractile function according to the assessment of leftventricular ejection fraction (EF). The detection rate of left ventricular hypertrophy (LVH)in patients with coronary artery disease and hypothyroidism was 83.7 %. There was a significantly significant moderate correlation in the group of patients with coronary arterydisease, regardless of the presence of hypothyroidism, between the number of premature atrialcomplexes (PAC) and the number of premature ventricular complexes (PVC). There wasno effect of TSH level on EF values and the presence of LVH in patients with coronaryartery disease in combination with hypothyroidism and in the absence of the latter.
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