Why the study?
HRV is lower in alcohol dependence even after several days of abstinence, prompting investigation into whether alcohol abstinence is associated with changes in HRV.
Does 4 weeks of detoxification and abstinence improve heart rate variability and correlate with craving in patients with alcohol dependence syndrome?
Population
100 alcohol dependence syndrome patients aged 18-45 years and 100 healthy matched controls
Comparison
Patients before vs after 4 weeks of detoxification, and vs healthy controls
Design
Observational study
Follow-up
4 weeks
Authors
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Should not yet change practice; leaves open HRV as a craving biomarker after alcohol detox.
Does 4 weeks of detoxification and abstinence improve heart rate variability and correlate with craving in patients with alcohol dependence syndrome?
Heart rate variability is significantly reduced in alcohol dependence syndrome but improves with 4 weeks of detoxification and abstinence, correlating negatively with craving scores.
Timothy et al. (2025) studied this question.
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