IS THERE ANY CHANGE IN PHENOTYPIC CHARACTERISTICS COMPARING 5 TO 10 YEARS OF FOLLOW-UP IN OBESE PATIENTS UNDERGOING ROUX-EN-Y GASTRIC BYPASS?

Overview

Journal Arq Bras Cir Dig

Specialties Gastroenterology
General Surgery

Date 2019 Oct 24

PMID 31644673

Citations 11

Authors

Carla Barbosa Nonino

Bruno Affonso Parenti de Oliveira

Raoana Cassia Paixao Chaves

Luciana Tabajara Parreiras E Silva

Marcela Augusta de Souza Pinhel

Flavia de Campos Ferreira

Gabriela da Costa Rocha

Simara Paganini Donadelli

Julio Sergio Marchini

Wilson Salgado-Junior

Carolina Ferreira Nicoletti

Affiliations

Soon will be listed here.

Abstract

Background: : Bariatric surgery promotes significant weight loss and improvement of associated comorbidities; however, nutrients deficiencies and weight regain may occur in the middle-late postoperative period.

Aim: To investigate nutritional status in 10 years follow-up.

Methods: : Longitudinal retrospective study in which anthropometric, biochemical indicators and nutritional intake were assessed before and after one, two, three, four, five and ten years of Roux-en Y gastric bypass through analysis of medical records.

Results: : After ten years there was a reduction of 29.2% of initial weight; however, 87.1% of patients had significant weight regain. Moreover, there was an increase of incidence of iron (9.2% to 18.5%), vitamin B12 (4.2% to 11.1%) and magnesium deficiency (14.1% to 14.8%). Folic acid concentrations increased and the percentage of individuals with glucose (40.4% to 3.7%), triglycerides (38% to 7.4%), HDL cholesterol (31 % to 7.4%) and uric acid (70.5% to 11.1%) abnormalities reduced. Also, there is a reduction of food intake at first year postoperative. After 10 years, there was an increase in energy, protein and lipid intake, also a reduction in folid acid intake.

Conclusions: : Roux-en Y gastric bypass is an effective procedure to promote weight loss and improve comorbidities associated with obesity. However, comparison between postoperative period of five and 10 years showed a high prevalence of minerals deficiency and a significant weight regain, evidencing the need for nutritional follow-up in the postoperative period.

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