Articles: neuralgia.
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We report the results of a single session, non-blinded, trial of topical application of 10% lidocaine in gel form to the painful skin of 11 patients with well established post-herpetic neuralgia (PHN). Pain decreased as measured by 100 mm VAS pain scale and 100 mm VAS pain relief scale in both trigeminal and thoracic PHN patients.
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In order to investigate the efficacy of repeated irradiation of low-power helium-neon laser in pain relief, we irradiated 36 outpatients suffering from postherpetic neuralgia. Each patient underwent 20 trials of irradiation on several points around the painful area at a frequency of 2 or 3 times a week. The efficacy of the laser at the end of 20 trials was noticed on 88.9%, and the degree of pain relief was 55.3%, which correlated with the number of trials. These results suggest that the irradiation of He-Ne laser is an effective and safe treatment for postherpetic neuralgia.
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J. Am. Acad. Dermatol. · Aug 1989
Clinical Trial Controlled Clinical TrialTopical capsaicin treatment of chronic postherpetic neuralgia.
Uncontrolled studies have indicated that topically applied capsaicin may be a safe and effective treatment for postherpetic neuralgia. In a double-blind study 32 elderly patients with chronic postherpetic neuralgia were treated with either capsaicin cream or its vehicle for a 6-week period. ⋯ After 6 weeks almost 80% of capsaicin-treated patients experienced some relief from their pain. Because capsaicin avoids problems with drug interactions and systemic toxicity, we suggest that topical capsaicin be considered for initial management of postherpetic neuralgia.
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Randomized Controlled Trial Comparative Study Clinical Trial
Intraoperative cryoanalgesia for postthoracotomy pain relief.
In a randomized study, 63 patients were investigated for the benefits of cryoanalgesia after thoracotomy. Analgesia and its dependent effects such as enhancement of mobility, respiratory function, and reduced need of narcotics were evaluated. ⋯ However, moderate to severe neuralgia was found in a number of patients in the cryoanalgesia group in the late postoperative period. Cryoanalgesia for pain relief after thoracotomy is not recommended.