Cardiac comorbidity in hypothyroidism: the effect of hormone replacement therapy
DOI:
https://doi.org/10.21638/spbu11.2024.301Abstract
The study of the features of the course of cardiovascular pathology against the background of other diseases (comorbidity) is currently an urgent area. A little-studied association is the assessment of the effect of hypothyroidism on cardiovascular pathology, especially the
role of hormone replacement therapy. Nevertheless, hypothyroidism is quite common with arterial hypertension, coronary heart disease, and chronic heart failure. According to research, hypothyroidism is associated with impaired lipidogram parameters, deterioration of coronary blood flow parameters, increased blood pressure, fluid retention, decreased effectiveness of antihypertensive therapy, and a higher incidence of arrhythmias, in particular atrial fibrillation. There is evidence of an association of hypothyroidism with proinflammatory cytokines. According to prospective studies, patients with chronic heart failure have a higher incidence of deaths and cases of rehospitalization due to decompensation of chronic
heart failure. The current focus is the role of L-thyroxine in the course of cardiovascular diseases. There is evidence of a positive effect of L-thyroxine on lipid metabolism and the
frequency of arrhythmias. However, specific recommendations regarding safety criteria and optimal dosages for the management of patients with cardiovascular pathology have not been developed.
Keywords:
arterial hypertension, coronary heart disease, hypothyroidism, L-thyroxine
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Articles of "Vestnik of Saint Petersburg University. Medicine" are open access distributed under the terms of the License Agreement with Saint Petersburg State University, which permits to the authors unrestricted distribution and self-archiving free of charge.