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New research · Anesthesiology
Obesity surgery · 1d
Cohort studyObesity surgery · 2026

Incidence and Independent Risk Factors for Meralgia Paresthetica Following Laparoscopic Sleeve Gastrectomy: A Retrospective Cohort Study.

Xin Zhao, Shanshan Zuo, Jie Wang … Qinjun Chu
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AnesthesiologyCohort study

Higher preoperative body mass index is associated with meralgia paresthetica after sleeve gastrectomy.

Incidence and Independent Risk Factors for Meralgia Paresthetica Following Laparoscopic Sleeve Gastrectomy: A Retrospective Cohort Study.

Xin Zhao et al. · Obesity surgery · 2026
Background

Meralgia paresthetica (MP) is a recognized complication following bariatric surgery, yet its risk factors remain poorly defined.

Purpose

This study aimed to investigate the incidence of MP after laparoscopic sleeve gastrectomy (LSG) in patients with obesity and to identify its independent risk factors.

Methods

Were divided into MP and non-MP groups based on postoperative occurrence.

n = 2,635 patients
Results

higher body weight index slightly increases odds of thigh nerve pain after stomach surgery

OR 1.04 (95% CI 1.00 to 1.07)
null = 11.001.07
CI excludes the null - significant
More results

The incidence of postoperative MP was 9.86‰ (26/2635).

Comorbidities such as diabetes and hypertension were not significantly different between groups.

“
Conclusion

Postoperative MP is a notable complication after LSG. A higher preoperative BMI is a strong and independent risk factor, which should be considered in perioperative risk stratification and prevention strategies.

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