Serum neuropeptide Y was an independent predictor of ventricular extra systoles, with levels ≥47.9 ng/L predicting their occurrence (82% sensitivity) and ≥79.8 ng/L predicting high frequency.
r = 0.577NPY levels showed a strong positive correlation with the number of ventricular extra systoles
What the researchers found
NPY was an independent predictor of VES (OR 1.204, p=0.001). NPY ≥47.9 ng/L predicted VES with 82% sensitivity and 81.4% specificity; ≥79.8 ng/L predicted high-frequency VES with 85.5% sensitivity and 87.3% specificity.
Why it matters
Identifying NPY as a predictor of VES could lead to new therapeutic targets for heart rhythm disorders, as NPY is a neuropeptide that can be pharmacologically modulated.
How the study worked
Case-control study with 150 VES patients (48 with >15,000 VES and 102 with <15,000) and 86 controls, using 24-hour Holter monitoring, blood biochemistry, and NPY measurement.
What this study cannot tell us
Single-center study. Cross-sectional design limits causal inference. Cannot determine if elevated NPY causes VES or results from the same underlying autonomic dysfunction. No intervention tested.
How to read the evidence
Well-designed case-control study with multiple validated diagnostic cutoffs. Novel finding but single-center with moderate sample size.
When this study was published
Published in 2025, providing novel evidence for NPY's role in cardiac arrhythmogenesis.
The bigger picture
This study adds to growing evidence that neuropeptides play important roles in cardiac rhythm regulation, potentially opening new avenues for treating arrhythmias beyond traditional antiarrhythmic drugs.
Questions still open
- Could NPY receptor antagonists reduce VES frequency in patients with elevated NPY?
- Is NPY elevation a cause or consequence of ventricular arrhythmias?
- Should NPY screening be incorporated into cardiac rhythm evaluation?
Common questions
What is neuropeptide Y?
What are ventricular extra systoles?
Read the original research
The Association of Neuropeptide Y with the Presence and Frequency of Ventricular Premature Beats.
Current cardiology reviews, 22(1), e1573403X361970
Citation
Dedeoglu, Necip Fazıl; Tascanov, Mustafa Begenc; Toprak, Kenan; Fedai, Halil; Bicer, Asuman; Altiparmak, İbrahim Halil; Tanriverdi, Zulkif; Demirbag, Recep; Koyuncu, Ismail. (2026). The Association of Neuropeptide Y with the Presence and Frequency of Ventricular Premature Beats.. Current cardiology reviews, 22(1), e1573403X361970. https://doi.org/10.2174/011573403X361970250507035931