基于染料的染色内镜与i-scan虚拟染色内镜在长期性结肠炎:多中心前性RCT
Alexander Jans1, Pieter Sinonquel1, Tom C J Seerden2
1Department of Gastroenterology and Hepotology, KU Leuven, Leuven, Belgium.
基于染料的染色内镜 (DCE) 和i-scan虚拟染色内镜 (VCE) 在长期性结肠炎 (UC) 中显示出类似的结肠直肠瘤检测率. 然而,i-scan VCE提供了更短的程序时间和更少的假阳性结果,这表明它是UC监测中DCE的潜在替代品.
科学领域:
- 胃肠病学和内镜检查
- 结肠直肠癌查 结肠直肠癌查
- 炎症性肠道疾病研究研究
背景情况:
- 长期存在的性结肠炎 (UC) 会增加结肠直肠瘤的风险.
- 基于染料的染色内镜 (DCE) 和虚拟染色内镜 (VCE) 都有助于在结肠镜检查期间检测瘤病变.
- 在UC监测中不同染色内镜技术的比较有效性需要进一步研究.
研究的目的:
- 在患有长期UC的患者中,比较基于染料的染色体内镜 (DCE) 和i-scan虚拟染色体内镜 (VCE) 之间的瘤检测率.
- 评估二次结果,包括手术时间和病变检测准确度.
主要方法:
- 一项前性随机对照试验 (RCT) 涉及131名长期UC患者 (疾病持续时间>8年).
- 患者被随机分配,用DCE (甲基蓝0.1%) 或i-scan VCE进行结肠镜检查.
- 从所有可见的病变和周围的粘膜中获得了活检以进行组织学分析.
主要成果:
- 在DCE和i-scan VCE (0.27对0.37,P=0.41) 之间,每次结肠镜检测到的瘤病变的平均数量没有显著差异.
- 总体而言,瘤检测率相似 (DCE 19.7%与VCE 27.7%,P=0.31).
- 在i-scan VCE (27.6% vs 15.3%,P=0.036) 中,每次病变瘤的检测率显著提高,VCE的停药时间和整体手术时间显著缩短 (P < 0.001).
结论:
- 这项RCT在长期UC监测中发现DCE和i-scan VCE之间整体瘤检测没有显著差异.
- 与DCE相比,i-scan VCE显示出较低的错误阳性率和显著减少的程序时间.
- i-scan VCE代表了对DCE的潜在有价值的替代品,用于UC患者的监测结肠镜检查.
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