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Arquivos brasileiros de cirurgia digestiva : ABCD = Brazilian archives of digestive surgery

SERUM VITAMIN B12, IRON AND FOLIC ACID DEFICIENCIES IN OBESE INDIVIDUALS SUBMITTED TO DIFFERENT BARIATRIC TECHNIQUES.

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Rafaella de Andrade Silva
Flávia Monteiro França Malta
Maria Flora Ferreira Sampaio Carvalho Correia
Maria Goretti Pessoa de Araújo Burgos

Keywords

Abstract

UNASSIGNED

Different surgical techniques to combat obesity combine malabsorption with restrictive procedures and can lead to metabolic problems, such as micronutrient deficiencies.

UNASSIGNED

Assess vitamin B12, iron and folic acid deficiencies associated with the lifestyle of obese individuals having been submitted to different bariatric techniques.

UNASSIGNED

A retrospective analysis was performed using the electronic charts of patients submitted to bariatric surgery involving adjustable gastric banding and Roux-en-Y gastric bypass at the São João Hospital Center in the city of Porto, Portugal, between 2005 and 2010. The following data were collected: surgical technique, sex, age, marital status, serum concentrations of vitamin B12, iron and folic acid and postoperative lifestyle. A 5% significance level was used for the statistical analysis (p<0.05).

UNASSIGNED

Among 286 individuals evaluated, females accounted for 90.9% of the overall sample (both techniques). Gastric banding was performed more (68.9%), but greater nutrient deficiencies were found following gastric bypass. Iron was the most prevalent deficiency (21.3%), followed by vitamin B12 (16.9%) and folic acid (4.5%). Mild to moderate alcohol intake, adherence to the diet and the use of multivitamins reduced the frequency, but did not avoid micronutrient deficiency.

UNASSIGNED

Vitamin B12, iron and folic acid deficiencies were found in the first and second year following the two bariatric techniques analyzed and were more frequent among individuals submitted to gastric bypass.

UNASSIGNED

As diferentes técnicas da cirurgia da obesidade combinam má absorção com procedimentos restritivos e podem levar à complicações metabólicas, entre as quais se destacam as deficiências de micronutrientes.

UNASSIGNED

Avaliar a deficiência de vitamina B12, ferro e ácido fólico e fatores associados ao estilo de vida de obesos submetidos a diferentes técnicas cirúrgicas.

UNASSIGNED

Análise retrospectiva dos prontuários eletrônicos de pacientes submetidos à cirurgia bariátrica pelas técnicas de banda gástrica ajustável e bypass gástrico em Y-de-Roux, no Centro Hospitalar de São João, E.P.E., Porto - Portugal, no período de 2005-2010. Foram coletadas: técnica cirúrgica, sexo, idade, estado civil, concentrações séricas de vitamina B12, ferro e ácido fólico e o estilo de vida no pós-operatório. Para análise estatística foi utilizado nível de significância de 5% (p< 0,05).

UNASSIGNED

Dentre os 286 indivíduos avaliados, houve predomínio do sexo feminino (90,9%) em ambas as técnicas cirúrgicas, sendo a banda gástrica a mais realizada (68,9%); no entanto maiores deficiências de micronutrientes foram detectadas após o bypass gástrico. A deficiência de micronutriente mais prevalente foi a de ferro (21,3%), seguida da vitamina B12 (16,9%) e do ácido fólico (4,5%). A ingestão de bebida alcoólica de leve-moderada, a adesão à dieta e o uso de polivitamínicos reduziu a frequência, mas não evitou a carência de micronutrientes.

UNASSIGNED

A deficiência de vitamina B12, ferro e ácido fólico foi observada durante o primeiro e o segundo anos após as duas técnicas avaliadas, sendo mais frequente nos pacientes submetidos ao bypass gástrico.

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