COMPLICATIONS RELATED TO GASTRIC BYPASS PERFORMED WITH DIFFERENT GASTROJEJUNAL DIAMETERS

Area of Science:

• Bariatric Surgery
• Surgical Techniques
• Gastrointestinal Surgery

Background:

• Roux-en-Y gastric bypass is a common surgical treatment for obesity.
• Gastrojejunal anastomosis can be handsewn or stapled.
• Complications of gastric bypass are categorized as early or late.

Purpose of the Study:

• To compare the incidence of early complications associated with handsewn gastrojejunal anastomosis in gastric bypass surgery.
• To evaluate the impact of different Fouchet catheter diameters on anastomosis outcomes.

Main Methods:

• Retrospective analysis of 732 consecutive Roux-en-Y gastric bypass patients.
• Patients divided into two groups: 12 mm anastomosis (n=374) and 15 mm anastomosis (n=358).

Main Results:

• The 15 mm anastomosis group showed a significantly lower rate of anastomotic stenosis (3.1%) compared to the 12 mm group (11%), with p=0.05.
• No statistically significant differences were observed in other anastomosis-related variables (p>0.05).

Conclusions:

• A 15 mm diameter for handsewn gastrojejunal anastomosis is associated with a reduced incidence of stenosis.
• The 15 mm group experienced more postoperative bleeding but lower surgical site infections.
• No anastomotic leaks were observed in the 15 mm group.