目的：探讨透明帽辅助水交换结肠镜技术在肠镜筛查中的作用。方法将2015年8月至2016年5月在我院进行肠镜筛查的204例患者，随机分为对照组和观察组，各102例；对照组进行常规结肠镜检查，观察组采用透明帽辅助水交换结肠镜进行检查，对两组患者进镜时间、腺瘤检出率及平均疼痛评分等情况进行对比。结果与对照组相比较，观察组具有较短的到达回盲部时间（332.6 s ±150.8 s vs 403.2 s ±168.5 s， P=0.02）、较低的疼痛评分（2.1±1.9 vs 4.8±2.3， P<0.05），以及较高的腺瘤检出率（47.4% v s 33.3%， P=0.04）。结论在肠镜筛查患者中，采用透明帽辅助水交换结肠镜检查可有效缩短进镜时间，提高腺瘤检出率，减轻患者的痛苦，值得临床推广。%Objective To evaluate the role of combined water-exchange and cap-assisted technique in screening colonoscopy. Methods A total of 204 outpatients for screening colonoscopy from August 2015 to May 2016 were randomized into combined water-exchange and cap-assisted (observation group) or regular colonoscopy (control group). Cecal intubation time, adenoma detection rate, mean pain score were compared between the two groups. Results Compared with the control group, the observation group had lower cecal intubation time (332.6 s ± 150.8 s vs 403.2 s ± 168.5 s, P=0.02), lower mean pain scores (2.1 ± 1.9 vs 4.8 ± 2.3, P<0.05), and higher adenoma detection rate (47.4%vs 33.3%, P=0.04). Conclusions Combined water-exchange and cap-assisted colonoscopy can effectively shorten the cecal intubation time, increase adenoma detection rate, and reduce patients' discomfort, which is worthy of clinical promotion.
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