Pylorus-Preserving Gastrectomy for Gastric Cancer Applications
Summary
Pylorus-preserving gastrectomy (PPG) is a function-preserving surgical technique designed to treat early-stage gastric cancer located in the middle or distal stomach. By conserving the pyloric sphincter and a cuff of proximal duodenum, this approach seeks to maintain normal gastric emptying and reduce postoperative sequelae such as dumping syndrome, bile reflux and nutritional deficiencies. The procedure involves selective lymph node dissection within prescribed nodal stations while sparing the antral pump mechanism and preserving vagal innervation where feasible. Growing evidence supports its oncological safety in carefully selected patients, with comparable survival and recurrence rates to standard distal gastrectomy in early gastric cancer. Minimally invasive approaches, including laparoscopic-assisted and robot-assisted techniques, have further refined PPG by reducing operative trauma, accelerating recovery and enhancing postoperative quality of life. Sentinel lymph node navigation and intraoperative imaging are emerging adjuncts to personalise the extent of lymphadenectomy, thereby minimising functional impairment without compromising oncological outcomes. As global surgical expertise expands, PPG represents a critical component of the contemporary armamentarium for tailored gastric cancer management.
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Pylorus-Preserving Gastrectomy for Gastric Cancer Applications publication trend
The graph below shows the total number of articles in pylorus-preserving gastrectomy for gastric cancer applications across all publications each year (not limited to Nature Index journals).
Technical terms
Pylorus-preserving gastrectomy: A surgical technique for early gastric cancer that removes the diseased portion of the stomach while conserving the pyloric sphincter to maintain regulated gastric emptying.
Distal gastrectomy: Resection of the lower two-thirds of the stomach, typically including the pylorus, followed by reconstruction via gastrojejunostomy or duodenal anastomosis.
Sentinel lymph node navigation surgery: A procedure to identify and excise the initial lymph nodes draining a tumour, enabling selective lymphadenectomy based on intraoperative mapping.
Laparoscopic-assisted gastrectomy: A minimally invasive approach using small abdominal incisions and camera guidance to perform gastrectomy, often combined with function-preserving techniques.
Dumping syndrome: A constellation of vasomotor and gastrointestinal symptoms arising from rapid passage of hyperosmolar contents into the small intestine after gastric resection.
References
- Gastric Cancer Surgery: Balancing Oncological Efficacy against Postoperative Morbidity and Function Detriment. Cancers (2024).
- A comparison between pylorus-preserving and distal gastrectomy in surgical safety and functional benefit with gastric cancer: a systematic review and meta-analysis. World Journal of Surgical Oncology (2020).
- Function-Preserving Gastrectomy for Early Gastric Cancer. Cancers (2021).
- Objective evaluation of clinical outcomes of laparoscopy-assisted pylorus-preserving gastrectomy for middle-third early gastric cancer. BMC Cancer (2019).
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