Pre‐mixed nitrous oxide/oxygen mixture treatment of pain induced by postoperative dressing change for perianal abscess: Study protocol for a randomized, controlled trial 肛周脓肿术后换药引起疼痛时的预混合一氧化二氮/氧气混合物治疗:随机对照试验研究方案
Description
Abstract
Aim
This study aims to evaluate the safety and analgesic efficacy of pre‐mixed nitrous oxide/oxygen mixture treatment of pain induced by dressing change for perianal abscess.
Design
This protocol is a randomized, double‐blind, placebo
