A fixed nitrous oxide/oxygen mixture as an analgesic for patients with postherpetic neuralgia: study protocol for a randomized controlled trial
Abstract Background The pain management of postherpetic neuralgia (PHN) remains a major challenge, with no immediate relief. Nitrous oxide/oxygen mixture has the advantages of quick analgesic effect and well-tolerated. The purpose of this study is to investigate the analgesic effect and safety of ni...
Main Authors: | , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2021-01-01
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Series: | Trials |
Subjects: | |
Online Access: | https://doi.org/10.1186/s13063-020-04960-5 |