Spectral indices of heart rate variability in patients with vasovagal syncopes according to evidence of 5-min ECG
- 作者: Vershuta EV1, Pevzner AV1, Ermishkin VV1, Kuchinskaya EA1, Al'bitskaya KV1, Kheymets GI1, Mazygula EP1, Rogoza AN1, Golitsyn SP1, Gorelova OM1, Vershuta EV1, Pevzner AV1, Ermishkin VV1, Kuchinskaya EA1, Albitskaya KV1, Heimets GI1, Mazygula EP1, Rogoza AN1, Golitsyn SP1, Gorelova OM1
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- 期: 卷 81, 编号 4 (2009)
- 页面: 17-21
- 栏目: Editorial
- ##submission.dateSubmitted##: 09.04.2020
- ##submission.datePublished##: 15.04.2009
- URL: https://ter-arkhiv.ru/0040-3660/article/view/30292
- ID: 30292
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Material and methods. Seventeen health volunteers and 25 patients with vasovagal syncope were included in the study. In 16 cases faints were induced by head-up tilt table test (HTT), in 9 cases - by bicycle exercise test (BET). Power spectral analysis of heart rate variability in 5-th min ECG records was performed in supine and upright position while breath was fixed.
Results. In supine position the data of low frequency (LF) and high frequency (HF) of spectral power in both groups of patients were significantly higher than in volunteers. During upright the HF of spectral power significantly decreased in patients and volunteers. In upright position LF of spectral power significantly decreased in patients with syncope induced by HTT, did not change in patients with syncope induced by BET, but significantly increased in volunteers.
Conclusion. Patients with vasovagal syncope had abnormal autonomic nervous system activity: a high level of parasympathetic influence in supine position and poor reaction of sympathetic nervous system during upright.
作者简介
E Vershuta
A Pevzner
V Ermishkin
E Kuchinskaya
K Al'bitskaya
G Kheymets
E Mazygula
A Rogoza
S Golitsyn
O Gorelova
E Vershuta
A Pevzner
V Ermishkin
E Kuchinskaya
K Albitskaya
G Heimets
E Mazygula
A Rogoza
S Golitsyn
O Gorelova
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