Introduction: Studies suggest that bariatric surgery, use of probiotic supplements and the dietary pattern can change enterotypes, as well as the entire microbial population. Objective: To verify the influence of bariatric surgery, the use of probiotic supplements and eating habits on enterotypes in obese patients. Methods: Articles published between the 2015 and 2020 were searched in Lilacs and PubMed with the headings: probiotics, eating behavior, food consumption, food, diet, microbiota, gastrointestinal microbiome, bariatric surgery, gastric bypass and the keyword enterotype in Portuguese, English and Spanish. Results: Of the 260 articles found, only studies carried out in obese adults relating changes in the enterotype after bariatric surgery or use of probiotics or dietary patterns and original articles were selected. In the end, eight papers on enterotype change and bariatric surgery were selected and categorized, four on the relationship between food consumption and microbiota and one on the effects of probiotics on enterotypes. Conclusion: The microbial structure is widely modified after bariatric surgery, since the use of probiotic supplement does not bring lasting changes. Enterotypes appear to be shaped by long-term dietary patterns, can modulate how nutrients are metabolized and can be a useful biomarker to improve clinical management.
Objective: To analyze the effects of nutritional assistance focusing on protein intake (in the individual’s usual diet) in relation to muscle mass, and the muscle strength and functional performance of community-dwelling older women. Methods: This is a non-randomized controlled clinical trial. Forty-three community-dwelling older women, who were allocated to the Control Group (CG; n = 20) or the Nutrition Group (NG; n = 23). The NG received individualized nutrition assistance and participated in group activities that focused on dietary protein intake once a week for 12 weeks. Main outcome measures: protein and energy intake; handgrip strength (HGS); gait speed (GS); quadriceps cross-sectional area (CSA); and intramuscular non-contractile tissue (IMNCT). The Student’s t-test for independent samples, the Mann-Whitney U test, and a mixed model ANOVA with two factors (group and time) were adopted, followed by a post hoc Bonferroni test. A Spearman’s correlation test was performed on tests for HGS; GS; CSA; IMNCT; age; and protein intake adjusted for weight (g/kg) (p ≤ 0.050). Results: Participants in the NG showed higher CSA values than those in the CG (p < 0.001). NG participants also had higher HGS (p < 0.001) and GS (p = 0.037) when compared to pre-intervention. Correlations were observed between IMNCT and protein intake adjusted for weight (g/kg) (r = -0.517; p = 0.020); HGS, and CSA (r = 0.827; p = 0.000); and CSA and age (r = -0.520, p = 0.009). Conclusions: A nutrition assistance program focusing on protein intake resulted in enhanced muscle function and physical performance.
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