Methods: A total of 46 patients with APU were divided into SV treatment group(SVG) and phosgel treatment group(PSLG).

• 方法 :46例APU患者随机分组 ,治疗组 2 3例采用速可平内镜下喷洒溃疡面 ,对照组 2 3例单用洁维乐凝胶内镜下喷洒溃疡面。