Marina Kiyomi Ito1, Vivian Siqueira Santos Gonçalves1, Silvia Leite Campos Martins Faria2,3, Violeta Moizé4, André Luís Porporatti5, Eliete Neves Silva Guerra6, Graziela De Luca Canto5, Kênia Mara Baiocchi de Carvalho1. 1. Department of Nutrition, Graduate Program in Human Nutrition, University of Brasilia, Brasilia, DF, Brazil. 2. Department of Nutrition, Graduate Program in Human Nutrition, University of Brasilia, Brasilia, DF, Brazil. silvialeitefaria@gmail.com. 3. Gastrocirurgia de Brasilia, Brasilia, DF, Brazil. silvialeitefaria@gmail.com. 4. Obesity Unit, Hospital Clinic Universitari, Barcelona, Spain. 5. Brazilian Centre for Evidence-based Research, Federal University of Santa Catarina, Florianopolis, Brazil. 6. Laboratory of Oral Histopathology, Health Science Faculty, University of Brasilia, Brasília, DF, Brazil.
Abstract
BACKGROUND: Post-bariatric surgery may compromise nutritional status due to energy and protein intake restriction. METHODS: Systematic review was performed to synthesize evidence on the amount of protein intake and its association with lean mass and serum proteins during at least 6 months following Roux-en-Y gastric bypass or sleeve gastrectomy. RESULTS: Twelve studies (n = 739) were identified in the search. Protein intake below 60 g/day and significant lean mass loss were observed in majority of these studies. Of the four studies that measured association between protein intake and lean mass retention, only two supported this hypothesis. CONCLUSION: There is insufficient evidence of the effect of dietary protein on serum protein levels. Further studies are needed to better estimate the protein intake that supports a healthy nutritional status in this population.
BACKGROUND: Post-bariatric surgery may compromise nutritional status due to energy and protein intake restriction. METHODS: Systematic review was performed to synthesize evidence on the amount of protein intake and its association with lean mass and serum proteins during at least 6 months following Roux-en-Y gastric bypass or sleeve gastrectomy. RESULTS: Twelve studies (n = 739) were identified in the search. Protein intake below 60 g/day and significant lean mass loss were observed in majority of these studies. Of the four studies that measured association between protein intake and lean mass retention, only two supported this hypothesis. CONCLUSION: There is insufficient evidence of the effect of dietary protein on serum protein levels. Further studies are needed to better estimate the protein intake that supports a healthy nutritional status in this population.
Entities:
Keywords:
Bariatric surgery; Body composition; Lean mass; Protein intake; Serum protein, systematic review
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