Obesity Surgery

, Volume 29, Issue 2, pp 485–491 | Cite as

Food Intolerance 1 Year After Banded Roux-En-Y Gastric Bypass

  • Renata Cristina GobatoEmail author
  • Everton Cazzo
  • Letícia Baltieri
  • Débora Aparecida Oliveira Modena
  • Elinton Adami Chaim
Original Contributions


The purpose of this study is to evaluate the food intolerance after banded Roux-en-Y gastric bypass (RYGB), correlating the data of food ingestion.


This is an observational prospective study, which evaluated the individuals before and 3, 6, and 12 months after banded RYGB. We performed an anthropometric evaluation and an assessment of the habitual food ingestion and applied a food tolerance questionnaire.


The study group was comprised of 75 individuals, 89% of them female, with a percentual weight loss of 29.73 ± 6.79%. The observed results were that food intolerance increased over time and 1 year after surgery, only 2.7% reported to ingest any type of food, while the greatest difficulty was related to red meat (80%). Regarding vomits, after surgery, this proportion significantly increased after 3, 6, and 12 months. Preoperatively, the mean protein ingestion was 98 g, which decreased to 50 g after 3 and 6 months and to 51 g after 12 months. As a conclusion, food intolerance significantly increased following banded RYGB, leading to a crescent dissatisfaction regarding food and an increase in the vomits frequency.


Bariatric surgery Gastric bypass Food intake Vomiting Obesity 


Funding Information

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES).

Compliance with Ethical Standards

Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed Consent

Informed consent was obtained from all individual participants included in the study.

Conflict of Interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.University of Campinas (UNICAMP)CampinasBrazil
  2. 2.Faculdade de Ciências Médicas, Departamento de CirurgiaUniversidade Estadual de CampinasCampinasBrazil

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