Anthropometric nutritional status and comorbidities associated with metabolic syndrome in women submitted to bariatric surgery

Júlia de Castro Querido, Laís Rodrigues de Aguiar, Marina Pereira Justino, Sheilla de Oliveira Faria, Roberta Ribeiro Silva, Cristiane da Silva Marciano Grasselli


Aims: To assess the impact of bariatric surgery on anthropometric nutritional status and comorbidities associated with metabolic syndrome and to verify the adequacy of micronutrient intake of women undergoing this surgical procedure.

Methods: An observational cross-sectional study was performed to evaluate women undergoing bariatric surgery. Dietary intake was assessed using a food record in triplicate. The anthropometric nutritional status (weight, height, body mass index, and waist circumference) was measured in the postoperative period. Anthropometric data before surgery and presence of comorbidities (hypertension, diabetes mellitus, dyslipidemia, cardiovascular diseases, among others) were obtained by a structured, standardized, pre-coded questionnaire. To evaluate the results, women were stratified into two groups considering the time after surgery: less than or equal to 36 months (G1) and greater than 36 months (G2).

Results: Fourteen women with a mean age of 34.6±14 years and postoperative time between 11 and 84 months were assessed; eight of whom were allocated to G1 and six to G2. Decreases in weight (p<0.01) and BMI (p<0.01) were observed in both groups after bariatric surgery. Twenty-five percent of G1 women (up to 36 months after surgery) and 33% of G2 women (more than 36 months after surgery) were considered to be obese. There were a lower number of comorbidities associated with metabolic syndrome when preoperative and postoperative assessments were compared. Micronutrient deficiencies (especially of calcium, iron, and vitamin B12) were detected after surgery.

Conclusions: Bariatric surgery was shown to be an effective method for treating obesity and controlling comorbidities associated with metabolic syndrome. Inadequate nutrient intake, however, indicates a greater need of postoperative nutritional care in patients undergoing bariatric surgery. 


metabolic syndrome X; bariatric surgery; obesity; nutritional status; comorbidity.


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