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Higher High-Sensitivity C Reactive Protein is Associated with Future Premature Ventricular Contraction: a Community
Yue Chen1, Shouling Wu2, Wenyu Li1
1Department of cardiology, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China.
Insights
High-sensitivity C-reactive protein (hs-CRP) predicts future premature ventricular contractions (PVCs) in the Chinese population. Elevated hs-CRP is particularly associated with increased PVC risk in men.
Area of Science:
- Cardiology
- Biomarkers
- Epidemiology
Background:
- Premature ventricular contractions (PVCs) are common arrhythmias.
- Inflammation, indicated by hs-CRP, is increasingly linked to cardiovascular diseases.
- Predictive markers for PVCs are crucial for early intervention.
Purpose of the Study:
- To investigate if hs-CRP predicts future PVC events in a community-based Chinese population.
- To assess the association between hs-CRP levels and PVC incidence.
Main Methods:
- A cohort of 60,710 participants was analyzed from a larger population study.
- High-sensitivity C-reactive protein (hs-CRP) levels were measured at baseline.
- Cox regression models were used to assess the association between hs-CRP quartiles and PVC incidence over a mean follow-up of 74.9 months.
Main Results:
- The highest quartile of hs-CRP was associated with a significantly increased risk of PVCs (HR 1.36).
- This association was more pronounced in males (HR 1.45) but not significant in females.
- Elevated hs-CRP predicted future PVCs even in participants without prior myocardial infarction or stroke.
Conclusions:
- Elevated hs-CRP is an independent predictor of future PVC events in the Chinese population.
- hs-CRP may serve as a valuable biomarker for identifying individuals at higher risk of developing PVCs, especially men.
- Further research may explore the underlying mechanisms linking inflammation and PVC development.
Abstract:
We aimed to determine whether hs-CRP is a predictor of future premature ventricular contraction (PVC) events in a community based population. A total of 101,510 participants were recruited at baseline (2006-2007). The follow-up visits were conducted every two years. Participants who were free from PVC at baseline and achieved the fourth visit, or diagnosed of PVC during the subsequent visits were included for analyses. Diagnosis of PVC was based on standard supine resting, 10-s 12-lead ECG. Cox regression was applied to evaluate the association between quartiles of hs-CRP and the incidence of PVCs. 60710 participants (male: 79.9%, mean age 49.4 years) were included for analyses. During a mean follow-up of 74.9 ± 7.4 months, 908 (1.5%) participants were diagnosed with PVC. Participants of the highest quartile of hs-CRP had significantly increased risk of PVC events as compared with the lowest quartile (HR 1.36; 95% CI 1.12-1.66); and stratified analyses showed similar result in males (HR 1.45; 95% CI 1.16-1.80), but not in females (HR 1.12; 95% CI 0.71-1.79). Moreover, elevated serum hs-CRP was associated with future PVC in participants without history of myocardial infarction or stroke (HR 1.34; 95% CI 1.09-1.65). Elevated hs-CRP was an independent predictor of PVC in Chinese population, especially in men.
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