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可曲式乙状结肠镜的应用对于检出息肉样病变有较大价值,但对于不同长度乙状结肠镜应用效果的估价尚不统一.作者应用35cm和60cm两种不同长度的乙状结肠镜普查无症状患者并进行前瞻性的对照观察.病人与方法:258例受检者,年龄≥45岁,近期均无结直肠疾病的症状.术前用磷酸氢钠灌肠.每一病例均用35cm和60cm两种长度的乙状结肠镜检查,随机安排先后,受检者亦不知道,但由同一位有经验的医师进行检查.结果:受检者中116例先用35cm乙状结肠镜检
The application of bendable sigmoidoscopy is of great value in the detection of polypoid lesions, but the evaluation of the effect of different lengths of sigmoidoscopy is not uniform. The authors used two types of sigmoidoscopy with different lengths of 35cm and 60cm to survey and conduct asymptomatic patients Prospective controlled observation .Patients and methods: 258 subjects, aged ≥ 45 years, no recent symptoms of colorectal disease.Used sodium hydrogen phosphate enema before surgery.Each cases were used in both 35cm and 60cm length Sigmoidoscopy, random arrangement has successively, the subjects do not know, but by the same experienced physician examination.Results: The subjects in 116 cases first with 35cm sigmoidoscopy