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Roux-en-Y Gastric Bypass Operation in Rats
Published on: June 11, 2012
Short-Term Changes in Migraine Burden After Roux-en-Y Gastric Bypass: A Prospective Cohort Study
Ali Saremi1, Mehrdad Rabbani Nejad1, Masoud Amini2
1Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Obesity Surgery
|July 1, 2026
Summary
Roux-en-Y gastric bypass significantly reduced migraine burden in adults with severe obesity. Improvements in migraine frequency, severity, and disability were observed, independent of weight loss magnitude.
Area of Science:
- Metabolic Surgery
- Neurology
- Obesity Medicine
Background:
- Obesity is linked to increased migraine frequency and disability.
- Bariatric surgery shows potential for reducing migraine burden.
- The precise link between weight loss extent and migraine improvement post-surgery needs further clarification.
Purpose of the Study:
- To investigate the impact of Roux-en-Y gastric bypass (RYGB) on migraine outcomes in severely obese adults.
- To assess the relationship between the magnitude of postoperative weight loss and migraine improvement.
Main Methods:
- Prospective single-arm, before-after study involving 52 adults with severe obesity and migraine.
- RYGB surgery performed.
- Migraine outcomes assessed preoperatively and at 3 months postoperatively using MIDAS, MSQ, migraine frequency, and VAS pain severity.
- Paired t-tests and Pearson correlation coefficients used for analysis.
Main Results:
- Significant reductions in body weight (-28.9 kg) and BMI (-10.9 kg/m²) observed at 3 months.
- Substantial decreases in migraine frequency (15.4 to 5.0 episodes), pain severity (7.2 to 3.7 VAS), MIDAS scores (94.0 to 34.9), and MSQ impairment scores (52.6 to 31.2).
- Migraine improvement was not significantly correlated with age or the amount of weight lost.
Conclusions:
- RYGB is associated with significant short-term improvements in migraine frequency, severity, disability, and quality of life in severely obese adults.
- These improvements were not correlated with weight loss magnitude or patient age.
- Metabolic surgery may alleviate migraine burden, but further controlled studies with longer follow-up are warranted.

