Abstract
ObjectiveUse of impedance planimetry (EndoFLIP) has shown distensibility index ranges associated with improved patient-reported outcomes after antireflux surgery. Questions remain whether the previously described ideal distensibility index range can be used for patients with esophageal motility disorders. We hypothesized that patients with esophageal motility disorders would have a different ideal distensibility range for optimal outcomes. MethodsA retrospective review of a prospectively maintained gastroesophageal database was performed for all patients undergoing Toupet and Nissen fundoplication and impedance planimetry. Demographic data, perioperative outcomes, and quality-of-life indicators (Reflux Symptom Index, Gastroesophageal Reflux Disease-Health Related Quality of Life Questionnaire, and gas/bloat and dysphagia scores) were analyzed and compared between patients by use of the χ2 and Wilcoxon rank-sum tests. ResultsFrom 2015 to 2024, 475 patients underwent laparoscopic fundoplication and impedance planimetry evaluation. Of those, 160 had a final distensibility index score in the ideal range, 165 with a final distensibility index score <2.5, and 150 with a final distensibility index >3.6. In the ideal-range cohort, there were no statistically significant differences between those with normal and abnormal motility in regards to outcomes or quality of life indicators. In the low distensibility index cohort, patients with abnormal motility had worse Gastroesophageal Reflux Disease-Health Related Quality of Life Questionnaire, gas/bloat, and dysphagia scores at 1 year postoperatively compared with those with normal motility. More patients in the low distensibility index cohort required dilations postoperatively, and more patients in the high distensibility index cohort had recurrences compared with those in the ideal range cohort. ConclusionThe previously described ideal distensibility index range of 2.5–3.6 for patients undergoing laparoscopic fundoplication may be used for patients with certain esophageal motility disorders.
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