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Gross Olfaction Before and After Laparoscopic Gastric Bypass
Carlos Zerrweck1, Vannia Castañeda Gallardo2, Carmen Calleja3
1The Obesity Clinic at Hospital General Tláhuac, Villa Centroamericana y del Caribe, Delegación Tláhuac, Avenida la Turba # 655, Col, 13250, Mexico City, Mexico. zerrweck@yahoo.com.
Obesity Surgery
|May 17, 2017
Summary
Morbidly obese patients showed improved smell function six months after laparoscopic gastric bypass surgery. This weight loss intervention positively impacts olfaction, appetite, and overall health.
Area of Science:
- Bariatric Surgery
- Olfactory Function
- Metabolic Health
Background:
- Obesity is linked to altered smell perception, affecting appetite and nutrition.
- Bariatric surgery causes weight loss and can modify taste and smell.
- Objective olfaction testing is needed to understand these changes.
Purpose of the Study:
- To assess olfactory function changes after laparoscopic gastric bypass.
- To evaluate the impact of bariatric surgery on smell identification.
- To correlate olfaction improvement with weight loss and comorbidity status.
Main Methods:
- Prospective study of 6-month duration.
- Inclusion of candidates for laparoscopic gastric bypass.
- Preoperative and 6-month postoperative olfactory testing using The Pocket Smell Test®.
Main Results:
- Significant improvement in olfaction scores post-surgery (p < 0.002).
- Baseline olfactory dysfunction present in all participants.
- No patients scored below 2 points at 6 months.
- Significant weight loss and comorbidity improvement observed.
Conclusions:
- Laparoscopic gastric bypass enhances olfactory scores in morbidly obese patients.
- The Pocket Smell Test® is a useful tool for assessing smell changes post-bariatric surgery.
- Further investigation is recommended for persistent olfactory dysfunction.
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