clinmedКлиническая медицинаClinical Medicine (Russian Journal)0023-21492412-1339ООО «Медицинское информационное агентство»10.30629/0023-2149-2022-100-7-8-377-381clinmed-427Research ArticleОБЗОРЫ И ЛЕКЦИИREVIEWS AND LECTURESВариабельность интервала QT и ремоделирование спортивного сердцаQT interval variability and athlete's heart remodelinghttps://orcid.org/0000-0003-2861-6459ЮнисоваА. С.YunisovaA. S.

Юнисова Алина Саидовна — аспирант кафедры спортивной медицины 

105122, Москва

Yunisova Alina S.

105122, Moscow

СмоленскийА. В.SmolenskyA. V.

Смоленский Андрей Вадимович (Smolensky Andrey V.) — д-р мед. наук, профессор, заведующий кафедрой спортивной медицины

105122, Москва

Smolensky Andrey V.

105122, Moscow

Российский государственный университет физической культуры, спорта, молодежи и туризмаРоссияRussian State University of Physical Education, Sports, Youth and TourismRussian Federation2022311020221007-8377381Copyright © Юнисова А.С., Смоленский А.В., 20222022Юнисова А.С., Смоленский А.В.Yunisova A.S., Smolensky A.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.clinmedjournal.com/jour/article/view/427

В настоящий момент большой интерес представляет профилактика внезапной сердечной смерти у спортсменов. На данный момент накоплено большое количество литературных данных о взаимосвязи длины интервала QT и проаритмогенного потенциала миокарда. Однако в последние годы появились новые потенциальные предикторы возникновения фатальных аритмий у спорстменов — увеличение дисперсии интервала QT, а также краткосрочная вариабельность реполяризации. В данном обзоре представлены подробные данные о диагностике, распространенности, классификации, этиологии удлиненного QT как одного из проявлений дисперсии QT. Многообразие причин, приводящих к синдрому удлиненного интервала QT (LQTS), создает сложности в дифференциальной диагностике этого состояния, и в итоге LQTS часто остается за пределами внимания врачей, осуществляющих контроль за состоянием здоровья спортсменов. Также приведены результаты недавних исследований, посвященных изучению ремоделирования спортивного сердца.

At present, the prevention of sudden cardiac death in athletes is of great interest. A large amount of literature data concerning the correlation between the length of the QT interval and the proarrhythmic potential of the myocardium has been accumulated. However, new potential predictors of the fatal arrhythmias occurrence in athletes have emerged in recent years — an increase in the dispersion of the QT interval, as well as short-term variability in repolarization. This review provides detailed data on the diagnosis, prevalence, classifi cation, etiology of long QT as one of the manifestations of QT variance. The variety of causes leading to long QT syndrome (LQTS) causes diffi culties in the diff erential diagnosis of this condition and, and as a result, LQTS often remains outside the attention of practitioners. The data of recent studies of the athlete’s heart remodelling are presented as well.

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The authors declare that there are no conflicts of interest present.