Gastrointestinal Reconstruction Techniques in Gastric Surgery

Gastrointestinal reconstruction after gastrectomy seeks to restore continuity of the digestive tract while minimising postoperative complications and preserving nutritional function. Traditional approaches include Billroth I and Billroth II anastomoses, which connect the gastric remnant to the duodenum or jejunum respectively. Roux-en-Y reconstruction, by dividing the jejunum to create separate alimentary and biliopancreatic limbs, has become the standard for preventing bile reflux and remnant gastritis. Recent refinements encompass uncut Roux-en-Y methods—designed to maintain jejunal continuity to reduce reflux—and novel laparoscopic adaptations such as self-pulling and latter transection (SPLT). Advances in stapling devices, imaging guidance and patient-tailored selection now inform the choice of reconstruction, balancing operative complexity, quality of life and long-term nutritional outcomes. Across high-volume centres worldwide, the interplay between anastomotic design, postoperative motility and patient comorbidity dictates evolving best practice in gastric cancer and bariatric surgery.

Research from Nature Portfolio

Recent studies have compared Billroth I and Roux-en-Y anastomoses in randomised cohorts, demonstrating that Roux-en-Y confers lower rates of reflux symptoms and remnant gastritis at one year, albeit with slightly longer operative duration and increased blood loss. Quality-of-life measures showed reduced pain and reflux-related morbidity in the Roux-en-Y group, supporting its anti-reflux advantage. In parallel, retrospective analyses of over 400 patients have identified female sex, diabetes and distal tumour location as independent risk factors for delayed gastric emptying. Larger resected stomach volumes correlated with a higher incidence of delayed transit, emphasising the need for tailored patient counselling and postoperative surveillance.

Gastrointestinal Reconstruction Techniques in Gastric Surgery publication trend

The graph below shows the total number of articles in gastrointestinal reconstruction techniques in gastric surgery across all publications each year (not limited to Nature Index journals).

Technical terms

Anastomosis: Surgical connection between two hollow organs or structures.

Billroth I anastomosis: Direct gastroduodenostomy linking the gastric remnant to the duodenum.

Billroth II anastomosis: Gastrojejunostomy connecting the gastric remnant to the jejunum.

Roux-en-Y reconstruction: Gastrojejunostomy with jejunal division creating separate alimentary and biliopancreatic limbs.

Uncut Roux-en-Y reconstruction: Variation preserving jejunal continuity by stapling without transection to limit bile reflux.

Self-pulling and latter transection (SPLT) reconstruction: Laparoscopic technique harnessing gastric traction to facilitate a two-step jejunal division.

Delayed gastric emptying: Postoperative delay in gastric content transit causing prolonged nasogastric drainage or oral intake intolerance.

Reflux gastritis: Inflammation of the gastric remnant due to backflow of bile or pancreatic secretions.

References

1. Optimal reconstruction methods after distal gastrectomy for gastric cancer: a protocol for a systematic review and network meta-analysis update. Systematic Reviews (2024).
2. Comparison of quality of life between Billroth-І and Roux-en-Y anastomosis after distal gastrectomy for gastric cancer: A randomized controlled trial. Scientific Reports (2017).
3. Assessment of risk factors for delayed gastric emptying after distal gastrectomy for gastric cancer. Scientific Reports (2022).
4. Recanalization in Uncut Roux-en-Y Reconstruction: An Animal Experiment and a Clinical Study. Frontiers in Surgery (2021).
5. Effectiveness and safety of self-pulling and latter transected Roux-en-Y reconstruction in totally laparoscopic distal gastrectomy. Frontiers in Oncology (2022).