[S156] Comparing Outcomes of Per-Oral Pyloromyotomy and Robotic Pyloroplasty for the Treatment of Gastroparesis.
Surgical endoscopy/Surgical endoscopy and other interventional techniques(2022)
摘要
Background Gastroparesis is characterized by delayed gastric emptying without a significant obstructive pathology and is estimated to effect more than 5 million adults in the United States. Therapies for this condition are divided into two categories: gastric electrical stimulation or pyloric therapies to facilitate gastric emptying. Pyloric procedures include pyloroplasty, a well-documented procedure, and per-oral endoscopic myotomy (POP), a relatively novel endoscopic procedure that disrupts the pyloric muscles endoscopically. There is a paucity of literature comparing the two procedures. The aim of this study is to compare the outcomes of these two techniques. Methods Under an IRB protocol, data were collected prospectively from September 2018 through April 2021 at our institution for patients undergoing POP ( n = 63 patients) or robotic pyloroplasty (RP) ( n = 48). Preoperative and postoperative data including sex, race, age, BMI, and Gastroparesis Cardinal Symptom Index (GCSI) score were analyzed using univariate and multivariate analysis. Results There was no significant difference in sex, age, and BMI for both cohorts, but patients with RP were more likely to have private insurance, pre-op reflux, and PPI ( p < .05 for all). Patients who underwent POP had significantly shorter operative time compared to RP (median 27 min vs 90, p < 0.001). The average change between preoperative and postoperative GCSI scores was significantly decreased for both interventions (POP mean = 8.2, RP 16.8, p < 0.001 both). However, comparing both data, RP has significantly better improvement in postoperative GCSI score than POP in both univariate ( p < 0.001) and multivariate analysis ( p = 0.030). This was reflected in the individual symptoms with nausea ( p < 0.001), ability to finish meal ( p = 0.037), abdomen visibly larger ( p = 0.037) and bloating ( p = 0.022) all showing improvement in both groups, but with RP having a more significant decrease in the scoring of these symptoms than POP. There was no significant difference in the number of postoperative complications (POP 19% vs RP 13%, p = 0.440). Conclusion Even though both interventions are significantly associated with improvement of symptoms in patients with gastroparesis, our data demonstrates that robotic pyloroplasty has a superior response in comparison to per-oral endoscopic myotomy for the management of these symptoms. Per-oral pyloromyotomy has a similar complication rate to robotic pyloroplasty with a shorter operative time.
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关键词
Pyloroplasty,Per-oral pyloromyotomy,POP,Gastroparesis
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