Deficiency of vitamin B12 and associated factors before bariatric surgery
Abstract
Introduction: Vitamin B12 deficiency after bariatric surgery is well established, but some studies report that this hypovitaminosis is associated with obesity and that the deficiency has been present since the preoperative period. Objective: Estimate the prevalence of deficiency of vitamin B12 and to identify some associated factors in patients referred to bariatric surgery. Materials and Method: study descriptive cross-sectional with secondary data. Variables used: data anthropometric, sociodemographic and clinical, comprising vitamin B12. For statistical analysis was used the program SPSS for Windows® version 20.0. Being realized: test t de Student, chi-square of Pearson and correlation of Pearson. The prevalence and prevalence ratios were calculated with confidence intervals of 95%, and considered statistically significant values of p<0,05. Results: The sample was composed by 377 patients, being 273 (72,4%) women, with average (DP) of age and body mass index respectively of 36,1 (9,9) e de 41,4 (4,8). The majority of patients were alcoholics (61,2%) and had no companion (52,6%). The prevalence of vitamin deficiency B12 in the sample was 22,8%. Thirty seven (9,8%) used proton pump inhibitors and 37 (9,8%) metformin. The most common comorbidities were duodenitis (64,6%) and gastroesophageal reflux disease (46,7%). Conclusion: No association was found between the variables studied and vitamin deficiency B12. It was found a high prevalence of deficiency of this vitamin in the studied group.
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Copyright (c) 2022 Jéssica Souza dos Santos Barbosa, Cláudia da Silva Daltro, Karine Lima Curvello-Silva Curvello-Silva, Layanne Rodrigues Trindade Sampaio, Wagno Alcantara de Santana, Jessica Santos Costa Costa, Carla Hilário da Cunha Daltro Daltro
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