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Heart Rate Variability May Predict the Severity of Appendicitis: A Cross-Sectional Study
Alimohammad Bananzadeh1, Abtin Vahidi1, Sarvenaz Salahi2
1Colorectal Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Objective:
To evaluate the role of heart rate variability (HRV) in predicting pre-operative severity of appendicitis.
Methods:
In this cross-sectional study, 171 cases of acute appendicitis who underwent appendectomy were enrolled. Pre-anesthetic pulse rate of included patients were documented while the severity of appendicitis was determined by intra-operative evidences reported by two independent surgeons. Demographic characteristics, laboratory variables, and Alvarado criteria were recorded.
Results:
The mean age of patients was 28.75±4.21 years; 54% were men. HRV negatively associated the severity of appendix inflammation. A positive association was found between HRV and omental wrapping and Alvarado score (p<0.01). The receiver operating characteristic (ROC) curve analysis demonstrated that HRV could differentiate simple and complicated appendicitis with a sensitivity of 78.5% and specificity of 97.2%.
Conclusion:
The present findings revealed that HRV may predict the pre-operative severity of appendicitis and help differentiate simple and complicated appendicitis.
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