Gross Olfaction Before and After Laparoscopic Gastric Bypass

Obesity Surgery
Carlos ZerrweckLizbeth Guilber

Abstract

Obesity leads to olfaction alterations, and this can further impact food choices, appetite, and nutritional status. Bariatric procedures induce weight loss and change in taste and smell perception, but more information is needed, especially using objective olfaction tests. A prospective study was conducted during 6 months, with candidates to laparoscopic gastric bypass at a single institution. A preoperative nasofibroscopy and gross smell identification test (The Pocket Smell Test ®) were performed in those meeting the inclusion criteria. After 6 months, a new test was performed, and the primary objective was to determine if there was an improvement in the olfaction score. Weight loss and comorbidities improvement were also analyzed. From the 30 patients with morbid obesity enrolled, 21 met the inclusion criteria and ENT evaluation. At baseline, 42.8% of patients scored 3 points, 53.3% scored 2 points, and 4.7% scored 1 point. After 6 months, there was a -81.1% of change. Seventeen patients scored 3 points (p = 0.002 vs initial) and two scored 2 points (p = 0.006 vs initial). There were no patients with less than 2 points. Weight and comorbidities had a significant improvement as well. Laparoscopic gastric bypass improves the o...Continue Reading

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Citations

Nov 20, 2018·Obesity Reviews : an Official Journal of the International Association for the Study of Obesity·Mei PengYusuf O Cakmak
Nov 10, 2017·Current Opinion in Endocrinology, Diabetes, and Obesity·Roxanna Zakeri, Rachel L Batterham
May 1, 2021·Journal of Clinical Medicine·Magdalena Pisarska-AdamczykPiotr Major

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