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Post a Comment Functional state of the cardiovascular system in adolescents and young men of military age with bradyarrhythmia
- Authors: Klubkova I.A.1, Avdeeva M.V.1, Shcheglova L.V.1, Kiryanova D.R.1, Erina M.Y.1
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Affiliations:
- St. Petersburg State Pediatric Medical University
- Issue: Vol 9, No 3 (2018)
- Pages: 64-71
- Section: Articles
- URL: https://journals.rcsi.science/pediatr/article/view/9134
- DOI: https://doi.org/10.17816/PED9364-71
- ID: 9134
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Abstract
The article presents the results of clinical and instrumental examination of adolescents and young men of conscript age with sinus bradycardia. The study involved 2067 people (mean age19,7 ± 2,7 years), subject to conscription (from 17 to 27 years) and potential conscripts (16-year-olds). According to the results of the screening express of ECG diagnostics, all participants of the study were divided into groups – with normocardia (n = 1266), with tachycardia (n = 171) and with bradycardia (n = 630). The article shows that in patients with sinus bradycardia, the size of the left atrium (р < 0,05), pulmonary artery trunk (р < 0,05), right atrial (р < 0,05) and right ventricle (р < 0,05) more than in individuals with normosystole and tachysystole types of heart rhythm. In patients with bradysystole type of heart rhythm, lower values of the ejection fraction (р < 0,05) were recorded in comparison with other types of rhythm at higher shock volume of blood (р < 0,05), the end diastolic volume of the left ventricle (р < 0,05) and the end diastolic size of the left ventricle (р < 0,05). Patients with bradysystole type of heart rhythm were characterized by higher rates of inotropic (р < 0,01), chronotropic reserve (р < 0,05), duration of the recovery period (р < 0,01) with lower coronary reserve indices (р < 0,01) and maximum oxygen consumption (р < 0,05) compared with normosystole and tachysystole types of rhythm. In 63,7% of patients with sinus bradycardia, the Holter monitoring determined a decrease in the mean level of heart rate below the reference values. Sinus bradycardia is associated with rhythm and conduction disorders, as well as chronobiorythmological desynchronizes.
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##article.viewOnOriginalSite##About the authors
Inna A. Klubkova
St. Petersburg State Pediatric Medical University
Author for correspondence.
Email: kia13670@mail.ru
Postgraduate Student, Department of Family Medicine AF and DPO
Russian Federation, Saint PetersburgMarina V. Avdeeva
St. Petersburg State Pediatric Medical University
Email: Lensk69@mail.ru
MD, PhD, Dr Med Sci, Professor, Department of Family Medicine AF and DPO
Russian Federation, Saint PetersburgLarisa V. Shcheglova
St. Petersburg State Pediatric Medical University
Email: shcheglovalar@mail.ru
MD, PhD, Dr Med Sci, Professor, Head, Department of Family Medicine AF and DPO
Russian Federation, Saint PetersburgDina R. Kiryanova
St. Petersburg State Pediatric Medical University
Email: alex@avs.net.ru
MD, PhD, Associate Professor, Department of Family Medicine AF and DPO
Russian Federation, Saint PetersburgMarina Yu. Erina
St. Petersburg State Pediatric Medical University
Email: erinamu@yandex.ru
MD, PhD, Associate Professor, Department of Family Medicine AF and DPO
Russian Federation, Saint PetersburgReferences
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