Heart Rate Changes in Vasovagal Syncope Patients
Author Information
Author(s): Wang Jijing, Xu Jinyi, Qiu Yanyan, Yang Ruike, Wang Wentao, Gao Chuanyu
Primary Institution: Zhengzhou University People's Hospital (Henan Provincial People's Hospital), Zhengzhou, Henan, China
Hypothesis
The study aims to evaluate the autonomic nervous function in patients with vasovagal syncope and the diagnostic value of deceleration capacity and acceleration capacity for VVS.
Conclusion
Patients with vasovagal syncope exhibit higher deceleration capacity and lower acceleration capacity, which are independently correlated with syncope.
Supporting Evidence
- Deceleration capacity was significantly higher in the syncope group compared to controls.
- Acceleration capacity was significantly lower in the syncope group compared to controls.
- Heart rate variability indicators were higher in the syncope group.
Takeaway
This study found that people who faint often have different heart rate patterns, which can help doctors understand their condition better.
Methodology
The study compared deceleration capacity, acceleration capacity, and heart rate variability in patients with vasovagal syncope and healthy controls using 24-hour ECG and echocardiogram.
Limitations
The study had a small sample size and did not exclude patients with conditions that could affect autonomic activity.
Participant Demographics
94 patients with vasovagal syncope (51.0 years old on average, 48 males) and 76 healthy controls (53.0 years old on average, 46 males).
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI, 1.389–2.195 for DC; 95% CI, 0.435–0.702 for AC
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website