Nutritional Implications of Obesity: Before and After Bariatric Surgery

Menzo, Emanuele Lo; Cappellani, Alessandro; Zanghì, Antonio; Vita, Maria Di; Berretta, Massimiliano; Szomstein, Samuel

doi:10.1089/bari.2014.9969

Cited by 12 publications

(7 citation statements)

References 52 publications

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“…The authors argue that after restrictive BS, although TCN 1 synthesis may be inhibited, exposure of food at the entire intestinal surface area results in local IF production, with B 12 gut transport by IF being less disrupted [121]. B 12 deficiency is associated with a triad of symptoms known as Biermer's disease: megaloblastic anemia, gastrointestinal, and neurologic symptoms [124]. Kornerup et al recently showed that, in spite of supplementation with physiological doses, B 12 status becomes impaired within a few months following BS because of decreased absorptive capacity.…”

Section: Vitamin B 12mentioning

confidence: 99%

Bariatric Surgery in Obesity: Effects on Gut Microbiota and Micronutrient Status

et al. 2020

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Obesity is associated with reduced gut microbial diversity and a high rate of micronutrient deficiency. Bariatric surgery, the therapy of choice for severe obesity, produces sustained weight loss and improvements in obesity-related comorbidities. Also, it significantly alters the gut microbiota (GM) composition and function, which might have an important impact on the micronutrient status as GM is able to synthesize certain vitamins, such as riboflavin, folate, B12, or vitamin K2. However, recent data have reported that GM is not fully restored after bariatric surgery; therefore, manipulation of GM through probiotics represents a promising therapeutic approach in bariatric patients. In this review, we discuss the latest evidence concerning the relationship between obesity, GM and micronutrients, the impact of bariatric surgery on GM in relation with micronutrients equilibrium, and the importance of the probiotics’ supplementation in obese patients submitted to surgical treatment.

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Section: Vitamin B 12mentioning

confidence: 99%

Bariatric Surgery in Obesity: Effects on Gut Microbiota and Micronutrient Status

et al. 2020

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“…Studies evaluating morbidly obese patients before bariatric surgery (BS), also demonstrated subclinical serum protein depletion [ 4 ] as well as micronutrient deficiencies [ 5 ]. These findings may be the result of under consumption of foods such as fresh fruit, vegetables and lean meat during energy dense meals [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Nutritional and Protein Deficiencies in the Short Term following Both Gastric Bypass and Gastric Banding

et al. 2016

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BackgroundThe number of morbidly obese patients undergoing bariatric surgery (BS) has increased dramatically in recent years. Therefore, monitoring food intake and its consequences in terms of nutritional status is necessary to prevent nutritional deficiencies. The aim of this study was to analyze the effect of food restriction on nutritional parameters in the short-term (≤3 months) period after BS in morbid obesity.MethodIn a prospective study, we followed 22 obese women who underwent Roux-en-Y gastric bypass (GBP) or adjustable gastric banding (AGB) at baseline (T0) and 1 (T1) and 3 (T3) months after surgery. We evaluated food intake, nutrient adequacy and serum concentrations of vitamins and minerals known to be at risk for deficiency following BS.ResultsBefore surgery, we observed suboptimal food intakes, leading to a risk of micronutrient deficiencies. Serum analysis confirmed nutritional deficiencies for iron and thiamine for 27 and 23% of the patients, respectively. The drastic energy and food reduction seen in the short term led to very low probabilities of adequacy for nutrients equivalent across both surgeries. Serum analysis demonstrated a continuous decrease in prealbumin during the follow-up, indicating mild protein depletion in 21 and 57% of GBP patients and 50 and 63% of AGB patients, respectively, at T1 and T3. Regarding vitamins and minerals, systematic supplementation after GBP prevented most nutritional deficiencies. By contrast, AGB patients, for whom there is no systematic supplementation, developed such deficiencies.ConclusionsOur results suggest that cautious monitoring of protein intake after BS is mandatory. Furthermore, AGB patients might also benefit from systematic multivitamin and mineral supplementation at least in the short term.

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“…Instead, it is ideal for each patient to maintain a connection with healthcare providers for as long as possible, depending on situation. Since patients with obesity often have a potential malnutrition, their nutritional status would be evaluated before metabolic surgery through their meal contents and eating habits, in addition to laboratory examinations [122][123][124][125]. It has been reported that the degree of obesity is inversely correlated with levels of serum albumin and micronutrients.…”

Section: Perioperative Management and Follow-up Systemmentioning

confidence: 99%

Metabolic surgery in treatment of obese Japanese patients with type 2 diabetes: a joint consensus statement from the Japanese Society for Treatment of Obesity, the Japan Diabetes Society, and the Japan Society for the Study of Obesity

et al. 2021

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Nutritional Implications of Obesity: Before and After Bariatric Surgery

Cited by 12 publications

References 52 publications

Bariatric Surgery in Obesity: Effects on Gut Microbiota and Micronutrient Status

Bariatric Surgery in Obesity: Effects on Gut Microbiota and Micronutrient Status

Nutritional and Protein Deficiencies in the Short Term following Both Gastric Bypass and Gastric Banding

Metabolic surgery in treatment of obese Japanese patients with type 2 diabetes: a joint consensus statement from the Japanese Society for Treatment of Obesity, the Japan Diabetes Society, and the Japan Society for the Study of Obesity

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