TOPICAL CAPSAICIN FOR CHRONIC NECK PAINA Pilot Study
作者:
Bill Mathias,
Timothy Dillingham,
Daryl Zeigler,
Audrey Chang,
Praxedes Belandres,
期刊:
American Journal of Physical Medicine and Rehabilitation
(OVID Available online 1995)
卷期:
Volume 74,
issue 1
页码: 39-44
ISSN:0894-9115
年代: 1995
出版商: OVID
关键词: Substance P;Capsaicin;Myofascial Pain Syndrome;Fibromyalgia;Neck Pain
数据来源: OVID
摘要:
ABSTRACTSubstance P is thought to be the principle neurotransmitter of nociceptive impulses in type C sensory neurons. Prolonged repeated applications of capsaicin cream depletes the sensory C-fibers of substance P. In an open-labeled prospective pilot study, 23 patients with chronic neck pain (greater than 3 mo) completed the study. Patients applied topical capsaicin (0.025%) cream four times a day to painful areas in the neck and shoulder girdle for a 5-wk treatment period. One patient dropped out because of intolerable burning. Statistically significant improvement was obtained in two primary outcome variables, the visual analog pain scale (P= 0.00013) and the pain relief scale (P= 0.002). Paired f tests failed to show a significant improvement in the McGill Pain Questionnaire. This study demonstrated that topically applied capsaicin cream may decrease subjective neck pain. A double-blind, placebo-controlled trial is needed to confirm this treatment effect.
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