Article 1119

Title of the article



Dyatlov Nikita Evgen’evich, Assistant, sub-department of internal diseases, Medical Institute, Penza State University (40 Krasnaya street, Penza, Russia), E-mail:
Rakhmatullov Fagim Kasymovich, Doctor of medical sciences, professor, head of the sub-department of internal diseases, Medical Institute, Penza State University (40 Krasnaya street, Penza, Russia), E-mail:
Burmistrova Larisa Fedorovna, Candidate of medical sciences, associate professor, sub-department of internal diseases, Medical Institute, Penza State University (40 Krasnaya street, Penza, Russia), E-mail:
Osipenko Аngelina Evgen'evna, Student, Medical Institute, Penza State University (40 Krasnaya street, Penza, Russia), E-mail: 

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Background. An electrophysiology study (EPS) of the heart is able to assess the properties of excitable myocardial tissues of patients with cardiac arrhythmias. However, EPS is not always applicable; for example, there are restrictions to its implementation in the third trimester of pregnancy, in cases of esophageal diseases, in the acute stage of myocardial infarction. The aim of this study is to describe the method for calculating the electrophysiological properties of the myocardium of patients with cardiac rhythm disturbances by Holter ECG monitoring and compare the results with the "reference" data of the transesophageal EPS.
Materials and methods. We examined 128 pregnant women (mean age 26.1±2.2 years) with heart arrhythmias: 90 with paroxysms of atrial fibrillation, 17 with atrioventricular orthodromic reentrant tachycardia and 21 with atrioventricular nodal reentrant tachycardia. All subjects underwent Holter ECG monitoring (HM) and transesophageal electrophysiological study of the heart (TEEPS).
Results. The following electrophysiological indices was calculated using HM: corrected sinus node recovery time (cSNRT); effective refractory periods (ERP) of the atria, atrioventricular node (AV) and its "fast" and "slow" pathways in patients with nodular tachycardia. The values calculated by the HM were not significantly different from those obtained during the TEEPS (p > 0.05). A repeated examination of patients in the third trimester of pregnancy revealed a shortened SNRT, ERP AV, ERP of "fast" and "slow" pathways, atrial ERP; but also did not reveal any significant differences in the indices obtained by both methods.
Conclusions. In this way, it is possible to recommend an evaluation of the electrophysiological properties of the myocardium of patients with paroxysmal supraventricular tachycardia by the method of HM in the presence of restrictions for carrying out EPS. 

Key words

atrial fibrillation, atrioventricular nodal reentrant tachycardia, atrioventricular orthodromic reentrant tachycardia, 24-hour Holter ECG monitoring, TEEPS 

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Дата создания: 26.06.2019 09:06
Дата обновления: 26.06.2019 09:43