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The Optimal Pyloric Procedure: A Collective Review
1Department of Thoracic and Cardiovascular Surgery, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea.
The Korean Journal of Thoracic and Cardiovascular Surgery
|August 15, 2020
Summary
Pyloric procedures after esophagectomy may help delayed gastric emptying (DGE), but evidence is mixed. Clearer DGE definitions and large-scale studies are needed to determine the optimal approach for this common complication.
Area of Science:
- Gastroenterology
- Surgical Oncology
- Minimally Invasive Surgery
Background:
- Esophagectomy frequently causes vagal damage and pyloric denervation, leading to delayed gastric emptying (DGE).
- Pyloric procedures aim to mitigate DGE but carry risks like prolonged surgery and conduit compromise.
- Current evidence on the efficacy of various pyloric interventions remains inconclusive.
Purpose of the Study:
- To investigate and analyze various pyloric methods used to manage DGE post-esophagectomy.
- To evaluate comparative studies to determine the optimal pyloric procedure for preventing DGE.
Main Methods:
- Review of surgical pyloric procedures: pyloromyotomy, pyloroplasty, digital fracture.
- Inclusion of non-surgical interventions: botulinum toxin, endoscopic balloon dilatation, erythromycin.
- Analysis of comparative studies examining DGE definitions and evaluation methods.
Main Results:
- Comparative studies show conflicting results regarding the effectiveness of pyloric procedures for DGE.
- Challenges in objective conclusions stem from varied DGE definitions and assessment techniques.
- Advances in minimally invasive surgery and interventions continually evolve pyloric procedure options.
Conclusions:
- The optimal pyloric procedure for DGE post-esophagectomy remains uncertain.
- Further research with clear DGE definitions and objective evaluation is required.
- Despite uncertainties, many clinicians continue to utilize pyloric procedures with some reported efficacy.

