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. 2017 Feb;27(2):502-512.
doi: 10.1007/s11695-016-2453-0.

Effect of Protein Intake on the Protein Status and Lean Mass of Post-Bariatric Surgery Patients: a Systematic Review

Marina Kiyomi Ito  1 , Vivian Siqueira Santos Gonçalves  1 , Silvia Leite Campos Martins Faria  2   3 , Violeta Moizé  4 , André Luís Porporatti  5 , Eliete Neves Silva Guerra  6 , Graziela De Luca Canto  5 , Kênia Mara Baiocchi de Carvalho  1
Affiliations

Effect of Protein Intake on the Protein Status and Lean Mass of Post-Bariatric Surgery Patients: a Systematic Review

Marina Kiyomi Ito et al. Obes Surg. 2017 Feb.

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.

Keywords: Bariatric surgery; Body composition; Lean mass; Protein intake; Serum protein, systematic review.

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