Affiliation:
1. Zhejiang University School of Medicine First Affiliated Hospital
Abstract
Abstract
Background
Psychological stress has been proved to be a risk factor for exacerbation for ulcerative colitis (UC). However, traditional approaches of quantifying psychological stress using psychological scales are time-consuming and the results may not be comparable among patients with different educational levels and cultural backgrounds. Alternatively, heart rate variability (HRV) is an indicator for psychological stress and not biased by educational and cultural backgrounds.
Aims
In this study, we try to explore the relationship between psychological stress and UC by analyzing the effect of ultra-short-term HRV on mucosal and histological remission status of UC.
Methods
This is a retrospective case-control study on UC inpatients from 2018 through 2020. Ultra-short-term HRV were calculated using baseline electrocardiography. Patients were divided into case and control groups according to their Mayo endoscopic scores or histological Geboes scores. Three variables of ultra-short-term HRV (SDNN, SDSD and RMSSD) were compared between different groups. And for those variables with significant differences, we built univariate and multivariate logistic regressions to depict the relationship between HRV variables and remission status of UC.
Results
All three HRV variables showed significant differences between the mucosal groups. However, none of them showed significant difference between the histological groups. In further logistic regression analyses, smaller RMSSD was detected as a risk factor for severe mucosal healing status (OR = 5.21).
Conclusions
Lower ultra-short-term HRV (i.e. smaller RMSSD) is shown to correlate with worse mucosal healing status. However, ultra-short-term HRV cannot predict histological healing status according to our data.
Publisher
Research Square Platform LLC
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