HEART RATE VARIABILITY IN CHRONIC ALCOHOLICS: A FOLLOW-UP STUDY
1986
Abstract Heart rate variability (HRV) was studied in 11 chronic alcoholic subjects, 1–30 days after the beginning of abstinence and again 5, 12 and 24 weeks later. Two patients could be re-examined after 19 and 22 months, respectively. In the follow-up study, the total patient group showed a statistically significant increase in HRV with prolonged abstinence of at least 6 months. No recovery of efferent vagal function was found in 4 patients. It is suggested that the vagal neuropathy may improve in chronic alcoholics, but perhaps only in patients with a short to moderately long duration of drinking history or a functional rather than an organic vagal damage.
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