Department of Medicine, Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.
Division of Gastroenterology and Hepatology, Washington University School of Medicine, St Louis, Missouri, USA.
Gastrointest Endosc. 2019 Dec;90(6):915-923.e1. doi: 10.1016/j.gie.2019.06.039. Epub 2019 Jul 4.
BACKGROUND AND AIMS: A novel device that provides real-time depiction of functional luminal image probe (FLIP) panometry (ie, esophagogastric junction [EGJ] distensibility and distension-induced contractility) was evaluated. We aimed to compare real-time FLIP panometry interpretation at the time of sedated endoscopy with high-resolution manometry (HRM) in evaluating esophageal motility. METHODS: Forty consecutive patients (aged 24-81 years; 60% women) referred for endoscopy with a plan for future HRM from 2 centers were prospectively evaluated with real-time FLIP panometry during sedated upper endoscopy. The EGJ distensibility index and contractility profile were applied to derive a FLIP panometry classification at the time of endoscopy and again (post-hoc) using a customized program. HRM was classified according to the Chicago classification. RESULTS: Real-time FLIP panometry motility classification was abnormal in 29 patients (73%), 19 (66%) of whom had a subsequent major motility disorder on HRM. All 9 patients with an HRM diagnosis of achalasia had abnormal real-time FLIP panometry classifications. Eleven patients (33%) had normal motility on real-time FLIP panometry and 8 (73%) had a subsequent HRM without a major motility disorder. There was excellent agreement (κ = .939) between real-time and post-hoc FLIP panometry interpretation of abnormal motility. CONCLUSIONS: This prospective, multicentered study demonstrated that real-time FLIP panometry could detect abnormal esophageal motility, including achalasia, at the endoscopic encounter. Additionally, normal motility on FLIP panometry was predictive of a benign HRM. Thus, real-time FLIP panometry incorporated with endoscopy appears to provide a suitable and well-tolerated point-of-care esophageal motility assessment.
背景与目的:本研究评估了一种新型设备,该设备可实时显示功能性腔内图像探头(FLIP)测压(即食管胃结合部[EGJ]可扩张性和扩张诱导的收缩性)。我们旨在比较镇静内镜检查时实时 FLIP 测压与高分辨率测压(HRM)在评估食管动力方面的结果。
方法:连续纳入来自 2 个中心的 40 例因内镜检查而转诊且计划行 HRM 的患者,前瞻性评估其镇静性上消化道内镜检查时的实时 FLIP 测压。EGJ 可扩张性指数和收缩性特征用于在当时的内镜检查时以及使用自定义程序进行的事后(post-hoc)分析中得出 FLIP 测压分类。HRM 根据芝加哥分类进行分类。
结果:实时 FLIP 测压运动分类异常的患者有 29 例(73%),其中 19 例(66%)患者随后在 HRM 中发现主要运动障碍。所有 9 例 HRM 诊断为贲门失弛缓症的患者均存在异常实时 FLIP 测压分类。11 例(33%)患者实时 FLIP 测压的运动正常,其中 8 例(73%)随后的 HRM 无主要运动障碍。实时和事后 FLIP 测压异常运动的解释具有极好的一致性(κ=0.939)。
结论:这项前瞻性、多中心研究表明,实时 FLIP 测压可在内镜检查时检测异常食管动力,包括贲门失弛缓症。此外,FLIP 测压正常的运动可预测 HRM 良性。因此,实时 FLIP 测压与内镜检查相结合似乎提供了一种合适且耐受性良好的即时食管动力评估方法。
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