Background: The perioperative and functional outcomes of patients with epiphrenic diverticula (ED) on a background of achalasia managed via a minimally invasive transabdominal approach are under-reported. We describe our center's experience over 10 years of treating such patients.
Methods: A single-center, retrospective chart of a prospectively maintained hospital database was performed. All patients with a diagnosis of ED and manometrically proven achalasia were identified. Demographic, clinical, and surgical data were extracted from the institution's medical records. Patients were stratified by whether they underwent myotomy only or myotomy plus diverticulectomy and compared in a univariate manner.
Results: There were 18 patients who met the inclusion criteria. The median age of the cohort was 67.1 years (range 53.1 to 77.8), the maximal size of the diverticula was 3.5 cm (range 2.0 to 7.0), and the distance of the proximal lip of the diverticulum to the incisors was 33.5 cm (range 28.0 to 38.0). In terms of surgical intervention, 14 patients (77.8%) underwent myotomy plus diverticulectomy, and 4 (22.2%) underwent myotomy alone. The duration of surgery was significantly longer in the former (177.5 vs. 75.0 min, P =0.031). In total, 9/18 (50.0%) of patients were discharged on the day of surgery. There was a trend to more major postoperative complications following diverticulectomy plus myotomy, with 2/13 (15.4%) patients suffering staple line leaks. Excellent long-term functional outcomes were achieved, with 81.3% of patients having sustained resolution of their symptoms.
Conclusions: Laparoscopic transabdominal approach for the treatment of ED offers an acceptable risk profile and favorable functional outcomes in patients with underlying achalasia.
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