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Updated: Jun 9, 2026

Application of Simplified Stent-bridging Pancreaticogastrostomy in Open Pancreaticoduodenectomy
Published on: March 17, 2026
Pancreatic anastomotic failure rate after pancreaticoduodenectomy decreases with microsurgery
Yasushi Hashimoto1, L William Traverso
1Section of General, Vascular, and Thoracic Surgery, Virginia Mason Medical Center, Seattle, WA 98111, USA.
Background:
We have observed that leakage from pancreaticojejunostomy is reduced when a surgical microscope is used to construct the pancreaticojejunostomy during pancreaticoduodenectomy. To validate our hypothesis that better vision improves the technical performance of pancreaticojejunostomy, we limited inclusion criteria to those patients at high risk for leak, performed more cases, and used the grading system of the International Study Group of Pancreatic Surgery.
Study Design:
From 1988 through 2008, 507 consecutive pancreaticoduodenectomies were performed with pancreaticojejunostomy. A subset of 283 patients at risk for leak had a main pancreatic duct (MPD) ≤3 mm at the surgical margin. Pancreaticojejunostomy was completed with surgical loupes (n = 135) or surgical microscope (n = 148). Incidence of pancreaticojejunostomy leak and delayed gastric emptying was determined using a Web-based calculator for the severity grading scale of the International Study Group of Pancreatic Surgery.
Results:
Within the 507 pancreaticoduodenectomies, the clinically relevant pancreaticojejunostomy leak for those with an MPD >3 mm (n = 224) was 4%, and with an MPD ≤3 mm (n = 283) it was 16% (p < 0.0001). For these 283 high-risk patients, outcomes were worse in the loupes versus microscope group, ie, clinically relevant pancreaticojejunostomy leak (21% versus 11%; p = 0.021), pancreas-related complications (31% versus 19%; p = 0.018), clinically relevant delayed gastric emptying (19% versus 9%; p = 0.016), and hospital length of stay (12.9 versus 9.5 days; p < 0.0001).
Conclusions:
In a subset of pancreaticoduodenectomy patients at high risk for pancreaticojejunostomy leak, the increased visual acuity of the surgical microscope reduced clinically relevant pancreatic anastomotic failure, delayed gastric emptying, and hospital length of stay.
Insights
Using a surgical microscope for pancreaticojejunostomy in high-risk patients significantly reduces pancreatic anastomotic failure and delayed gastric emptying. This improved vision enhances surgical outcomes and shortens hospital stays, benefiting patients undergoing pancreaticoduodenectomy.
Area of Science:
- Surgical Oncology
- Gastrointestinal Surgery
- Surgical Technology
Background:
- Pancreaticojejunostomy leakage is a significant complication after pancreaticoduodenectomy.
- Improved visualization during surgery may enhance technical performance and reduce complications.
- Previous observations suggested reduced leakage with surgical microscope use.
Purpose of the Study:
- To validate the hypothesis that enhanced vision via surgical microscope improves pancreaticojejunostomy technique.
- To assess the impact of surgical microscope versus loupes on leak rates and other outcomes in high-risk patients.
- To evaluate the efficacy of improved visualization in reducing pancreatic anastomotic failure.
Main Methods:
- A retrospective analysis of 507 pancreaticoduodenectomies performed between 1988 and 2008.
- Focus on 283 high-risk patients with a main pancreatic duct (MPD) ≤3 mm at the surgical margin.
- Comparison of outcomes between pancreaticojejunostomy constructed with surgical loupes (n=135) and surgical microscope (n=148).
Main Results:
- High-risk patients (MPD ≤3 mm) had a 16% leak rate versus 4% in lower-risk patients (MPD >3 mm).
- In high-risk patients, microscope use was associated with significantly lower leak rates (11% vs. 21%), fewer pancreas-related complications (19% vs. 31%), and less delayed gastric emptying (9% vs. 19%).
- Microscope use also resulted in a shorter hospital length of stay (9.5 vs. 12.9 days).
Conclusions:
- Enhanced visual acuity provided by the surgical microscope significantly reduces pancreatic anastomotic failure in high-risk pancreaticoduodenectomy patients.
- Surgical microscope use improves outcomes by decreasing clinically relevant delayed gastric emptying.
- The use of a surgical microscope is associated with shorter hospital stays for patients undergoing pancreaticojejunostomy.
