Relationship between syncopal symptoms and head-up tilt test modes

Author:

Wang ShuoORCID,Peng YaliORCID,Wang YuwenORCID,Li Fang,Xu YiORCID,Zheng Huifen,Yuan Heli,Hu Chunyan,Liao DongleiORCID,Cai HongORCID,Zhang Juan,Li Wen,Ding Yiyi,Zhang Wenhua,Xue Xiaohong,Liu Xiaoyan,Zhu Liping,Liu Deyu,Kang Meihua,Liu Liping,Chu Weihong,Li Xiaoming,Luo Xuemei,Zou RunmeiORCID,Wang ChengORCID

Abstract

Abstract Objective: Head-up tilt test (HUTT) is an important tool in the diagnosis of pediatric vasovagal syncope. This research will explore the relationship between syncopal symptoms and HUTT modes in pediatric vasovagal syncope. Methods: A retrospective analysis was performed on the clinical data of 2513 children aged 3–18 years, who were diagnosed with vasovagal syncope, from Jan. 2001 to Dec. 2021 due to unexplained syncope or pre-syncope. The average age was 11.76 ± 2.83 years, including 1124 males and 1389 females. The patients were divided into the basic head-up tilt test (BHUT) group (596 patients) and the sublingual nitroglycerine head-up tilt test (SNHUT) group (1917 patients) according to the mode of positive HUTT at the time of confirmed pediatric vasovagal syncope. Results: (1) Baseline characteristics: Age, height, weight, heart rate (HR), systolic blood pressure (SBP), diastolic blood pressure (DBP), and composition ratio of syncope at baseline status were higher in the BHUT group than in the SNHUT group (all P < 0.05). (2) Univariate analysis: Age, height, weight, HR, SBP, DBP, and syncope were potential risk factors for BHUT positive (all P < 0.05). (3) Multivariate analysis: syncope was an independent risk factor for BHUT positive, with a probability increase of 121% compared to pre-syncope (P<0.001). Conclusion: The probability of BHUT positivity was significantly higher than SNHUT in pediatric vasovagal syncope with previous syncopal episodes.

Publisher

Cambridge University Press (CUP)

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