The effect of nonrecurring alcohol administration on pain perception in humans : a systematic review





Professorship/Faculty: Professur für Pathopsychologie ; Professur für Physiologische Psychologie 
Author(s): Horn-Hofmann, Claudia; Büscher, Patricia; Lautenbacher, Stefan ; Wolstein, Jörg
Pages / Size: 175-187
Title of the Journal: Journal of Pain Research
Language(s): English
Publisher Information: Albany, Auckland
Volume: 8
Publisher Information: Dove Medical Press
Year of publication: 2015
Abstract: 
PURPOSE:

Alcohol is believed to have pain-dampening effects and is often used as self-medication by persons with pain problems; however, experimental evidence confirming this effect is scarce. We conducted a systematic review of experimental studies on the effects of nonrecurring alcohol administration on pain perception in healthy human subjects and the underlying mechanisms.
METHOD:

Three databases (PubMed, PsycINFO, and Web of Science) were searched for relevant studies using a predefined algorithm. In a next step, irrelevant articles were excluded by screening titles and abstracts. Finally, articles were checked regarding a set of methodological criteria; only publications meeting these criteria were selected for this review. A total of 14 experimental studies were identified.
RESULTS:

Overall, most of the studies were able to show a pain-dampening effect of alcohol. However, many of them had methodological shortcomings (eg, lack of placebo control, insufficient blinding, or very small sample sizes). In addition, comparability is limited due to considerable variations in alcohol administration and pain measurement. More importantly, potential mechanisms of action and moderating variables have scarcely been investigated.
CONCLUSION:

Despite the frequent use of alcohol as self-medication by persons with pain problems, there are to date only a few experimental investigations of alcohol effects on pain perceptions. The results of these studies suggest that alcohol does in fact have pain-dampening effects. However, the mechanisms implicated in these effects are still unknown, and experimental research has been limited to pain-free subjects. Future research should provide more knowledge about alcohol effects on pain, especially in chronic pain patients.
KEYWORDS:
Keywords: alcohol, experimental pain, pain
DOI: 10.2147/JPR.S79618
Licence: German Act on Copyright
Peer Reviewed: Ja
International Distribution: Ja
Document Type: Article
URI: https://fis.uni-bamberg.de/handle/uniba/41082
Release date: 28. October 2016


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