2018
DOI: 10.1590/0100-6991e-20182016
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Deficiências de micronutrientes após cirurgia bariátrica: análise comparativa entre gastrectomia vertical e derivação gástrica em Y de Roux.

Abstract: RESUMO Objetivo: comparar a prevalência das deficiências de micronutrientes nos pacientes submetidos à gastrectomia vertical (GV) e à derivação gástrica em Y de Roux (DGYR). Métodos: estudo comparativo de 576 pacientes submetidos à cirurgia bariátrica, 338 através de GV e 238 de DGYR e avaliados quanto às dosagens séricas de hemoglobina, ferro, ferritina, zinco e vitamina B12. Estas dosagens foram realizadas nos períodos pré-operatório e três, seis, 12 e 24 meses após a cirurgia, para análise e comparação da… Show more

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Cited by 32 publications
(10 citation statements)
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“…Postoperative restriction of food intake, reduced appetite, and changes in gastrointestinal hormone profile are common weight loss mechanisms, well-documented after both RYGB and VSG, that also affect nutrient status [99]. However, the onset of surgery-related micronutrient deficiencies secondary to RYGB and VSG are explained by different factors.…”
Section: Pathogenesis Of Micronutrient Deficiencies After Bsmentioning
confidence: 99%
See 1 more Smart Citation
“…Postoperative restriction of food intake, reduced appetite, and changes in gastrointestinal hormone profile are common weight loss mechanisms, well-documented after both RYGB and VSG, that also affect nutrient status [99]. However, the onset of surgery-related micronutrient deficiencies secondary to RYGB and VSG are explained by different factors.…”
Section: Pathogenesis Of Micronutrient Deficiencies After Bsmentioning
confidence: 99%
“…Micronutrient absorption (especially vitamin B 12 ) following RYGB is also impaired due to a lower output of gastric juice as a result of bypassing the distal stomach [101]. Postoperative restriction of food intake, reduced appetite, and changes in gastrointestinal hormone profile are common weight loss mechanisms, well-documented after both RYGB and VSG, that also affect nutrient status [99]. However, the onset of surgery-related micronutrient deficiencies secondary to RYGB and VSG are explained by different factors.…”
Section: Pathogenesis Of Micronutrient Deficiencies After Bsmentioning
confidence: 99%
“…Similar to our findings, Ferraz et al observed no significant difference in zinc deficiency between RYGB and SG after 12 months of surgery (25.6% vs. 26.6%, respectively). Nevertheless, they presented a substantial difference between the surgeries at 24 months of follow-up (RYGB: 30% vs. SG: 6.6%, P -value< 0.05) [ 10 ]. Consistently, a higher prevalence of zinc deficiency among RYGB patients compared to SG patients following 12 months of operation has been reported (40.7% vs. 18.8%, respectively) [ 13 ].…”
Section: Discussionmentioning
confidence: 99%
“…We recorded zinc serum levels during the preoperative period and follow-up measurements at three, six, and 12 months after the surgery. The reference value for zinc serum levels is 70-120 μg/dl [ 10 ]. Baseline clinical and demographic features were also recorded on a checklist.…”
Section: Main Textmentioning
confidence: 99%
“…Apesar dos efeitos benéficos que o tratamento cirúrgico pode oferecer, aproximadamente 30% dos pacientes submetidos à cirurgia bariátrica pode desenvolver, em longo prazo, deficiências nutricionais (TOREZAN, 2013). Essas deficiências são observadas tanto nos pacientes submetidos à Sleeve Gástrico (SG) quanto naqueles submetidos à Bypass em Y-Roux (BGYR) e, quando não corrigidas, podem representar uma importante ameaça à saúde desses pacientes (VAN RUTTE et al, 2014;FERRAZ et al, 2018). Dessa forma, é necessário um acompanhamento por longo período, sendo a alimentação adequada uma forte aliada no tratamento e na prevenção dessas complicações (BEN-PORAT et al, 2017).…”
Section: Introductionunclassified