Department of Gastroenterology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai Institute of Digestive Disease Shanghai, China.
Gastrointest Endosc. 2010 Nov;72(5):999-1005. doi: 10.1016/j.gie.2010.07.045.
Until now, the insertion depth of the enteroscope during double-balloon enteroscopy (DBE) could only be estimated. However, the currently available methods have limitations, and development of newer, simple, and accurate modalities is needed.
To evaluate the accuracy of a novel method for evaluation of enteroscope insertion depth during DBE.
Prospective, single-center cohort study.
Tertiary referral university hospital.
Fifty-one patients who had lesions found during 41 antegrade and 10 retrograde DBEs and treated by surgery were enrolled in this study.
The length of the ligament of Treitz/ileocecal valve lesion was estimated by adding the forward enteroscope length during each cycle of passage and by calculating the overtube insertion length (every 5 cm of overtube advancement means 40 cm of enteroscope advancement based on preliminary observations) during DBE, respectively, and was evaluated at surgery.
The length from the ligament of Treitz/ileocecal valve to the lesion.
Surgical evaluation was used as the standard. Regardless of insertion route, the mean difference from surgery in evaluation of enteroscope insertion length between using the enteroscope method and the overtube method was 19 cm (range 0-50 cm) and 17 cm (range 0-60 cm), respectively (P > .05).
Small number of patients with a case series study design.
Calculating the length of the overtube passage is accurate, and it is simple to estimate the insertion depth of the enteroscope during DBE, which is useful in clinical practice.
到目前为止，双气囊内镜（DBE）期间的内镜插入深度只能估计。然而，目前可用的方法存在局限性，需要开发新的、简单和准确的方法。
评估一种新的方法评估 DBE 期间内镜插入深度的准确性。
前瞻性、单中心队列研究。
三级转诊大学医院。
本研究纳入了 51 例在 41 例顺行和 10 例逆行 DBE 期间发现病变并通过手术治疗的患者。
通过在每个通过周期中添加前进式内镜的长度，以及通过计算 DBE 期间外套管插入的长度（每 5 cm 的外套管推进表示基于初步观察的 40 cm 的内镜推进），分别估计Treitz/回盲瓣病变的韧带长度，并在手术中进行评估。
从 Treitz/回盲瓣到病变的距离。
以手术评估为标准。无论插入途径如何，使用内镜法和外套管法评估内镜插入长度与手术的平均差值分别为 19 cm（范围 0-50 cm）和 17 cm（范围 0-60 cm）（P＞.05）。
病例系列研究设计患者数量较少。
计算外套管通过的长度是准确的，并且可以简单地估计 DBE 期间内镜的插入深度，这在临床实践中很有用。
