• J. Am. Coll. Surg. · Sep 2022

    Impedance Planimetry (Endoflip) and Ideal Distensibility Ranges for Optimal Outcomes after Nissen and Toupet Fundoplication.

    • Hoover Wu, Mikhail Attaar, Harry J Wong, Michelle Campbell, Kristine Kuchta, Ervin Woodford Denham, John Linn, and Michael B Ujiki.
    • From the Department of Surgery, NorthShore University Health System, Evanston, IL (Wu, Attaar, Wong, Campbell, Denham, Linn, Ujiki).
    • J. Am. Coll. Surg. 2022 Sep 1; 235 (3): 420-429.

    BackgroundPrevious research has shown that impedance planimetry-based functional lumen imaging probe (FLIP) measurements are associated with patient-reported outcomes after laparoscopic antireflux surgery. We hypothesize that Nissen and Toupet fundoplications have different ideal FLIP profiles, such as distensibility.Study DesignA retrospective review of a prospectively maintained quality database was performed. Patients who had FLIP measurements during fundoplications between 2013 and 2021 were included. Reflux Symptom Index, Gastroesophageal Reflux Disease-Health Related Quality of Life Questionnaire, and dysphagia score were collected for up to 2 years postoperatively. The Wilcoxon rank-sum test was used to compare FLIP measurements vs outcomes.ResultsTwo hundred fifty patients (171 Toupet, 79 Nissen) were analyzed. Distensibility ranges were categorized as tight, ideal, or loose. The ideal distensibility index range of Toupet patients with the 30- and 40-mL balloon fills were 2.6 to 3.7 mm2/mmHg. This range was associated with less dysphagia at 1 year compared with the tight group (p = 0.02). For Nissen patients, the 30- and 40-mL ideal threshold was a distensibility index of ≥2.2 mm2/mmHg. Patients with distensibility exceeding this threshold had a better quality of life than the tight group, reporting better Gastroesophageal Reflux Disease-Health Related Quality of Life Questionnaire (p = 0.02) and lower dysphagia scores (p = 0.01) at 2 years.ConclusionsImpedance planimetry revealed different ideal distensibility ranges after Toupet and Nissen fundoplications that are associated with improved patient-reported outcomes, suggesting that intraoperative FLIP has the potential to tailor fundoplication.Copyright © 2022 by the American College of Surgeons. Published by Wolters Kluwer Health, Inc. All rights reserved.

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