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Updated: Jul 14, 2026
07:37
Roux-en-Y Gastric Bypass Operation in Rats
Published on: June 11, 2012
"Candy cane" Roux syndrome--a possible complication after gastric bypass surgery
Ramsey M Dallal1, Daniel Cottam
1Albert Einstein Healthcare Network, Philadelphia, Pennsylvania 19141, USA. dallalr@einstein.edu
Summary
A long Roux limb after gastric bypass can cause digestive issues. Surgical revision to shorten the limb effectively resolves symptoms like nausea and pain.
Area of Science:
- Bariatric Surgery
- Gastrointestinal Surgery
- Surgical Complications
Background:
- Excessive length of the Roux limb proximal to the gastrojejunostomy can lead to abnormal upper gastrointestinal symptoms post-gastric bypass.
- This study aimed to characterize "candy cane" Roux syndrome and offer diagnostic and management strategies.
Observation:
- A retrospective review identified three patients undergoing revisional surgery for a redundant Roux limb.
- Symptoms included regurgitation, reflux, weight regain, postprandial pain, nausea, and epigastric fullness, progressing over time.
Findings:
- Resection of 8-15 cm of excess Roux limb was performed laparoscopically in all cases.
- All patients experienced complete and immediate symptom resolution following the revision surgery.
Implications:
- A long, nonfunctional Roux limb can cause persistent nausea, epigastric pain, and satiety issues.
- Minimizing Roux limb redundancy during primary gastric bypass is recommended.
- Further studies are needed to fully characterize this potential complication.
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