Effectiveness analysis of deceleration capacity and traditional heart rate variability in diagnosing vasovagal syncope

Vasovagal syncope (VVS) is a prevalent medical condition with a lack of efficient methods for its detection. This study aimed to explore an objective clinical indicator in diagnosing VVS. The retrospective analysis involved clinical data of 243 syncope patients from 1 June 2020 to 31 July 2023. Amon...

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Bibliographic Details
Published in:Frontiers in cardiovascular medicine 2024-09, Vol.11, p.1333684
Main Authors: Guo, Yongzhe, Lin, Tao, Lin, Nanyu, Lin, Huizhong
Format: Article
Language:English
Subjects:
Cardiovascular Medicine
HRV
SDNN
TTT
VVS
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Summary:Vasovagal syncope (VVS) is a prevalent medical condition with a lack of efficient methods for its detection. This study aimed to explore an objective clinical indicator in diagnosing VVS. The retrospective analysis involved clinical data of 243 syncope patients from 1 June 2020 to 31 July 2023. Among them, 108 patients had a negative result in the tilt test (TTT), while the remaining 135 patients had a positive result in the TTT. Relevant statistical methods were utilized to examine the correlation between VVS and different indicators of heart rate variability. After screening, 354 patients being considered for VVS were evaluated, resulting in a final sample size of 243. Sex, age, deceleration capacity (DC), and standard deviation of all normal-to-normal intervals (SDNNs) were the variables that showed statistical significance between the TTT(-) group and the TTT(+) group. Independent risk factors identified by multivariate logistic regression were DC [odds ratio (OR) 1.710, 95% confidence interval (CI) 1.388-2.106,  
ISSN:2297-055X
2297-055X
DOI:10.3389/fcvm.2024.1333684