Alterações do estado nutricional e as percepções sobre saúde física e resultados clínicos após o bypass gástrico em Y-de-Roux: um estudo misto sequencial explanatório
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Data
2026-02-24
Autores
Campelo, Lucas Rosas
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Universidade Federal do Espírito Santo
Resumo
Introduction: Obesity is a major global health challenge, and bariatric surgery stands out as an effective treatment, promoting rapid anthropometric and metabolic improvements in the first postoperative months. However, studies investigating how patients experience and interpret these initial changes in their daily lives remain scarce. Aim: To analyze the biochemical and anthropometric changes in patients undergoing bariatric surgery and to explore how these changes are experienced and perceived by these patients in terms of physical health and clinical outcomes. Materials and Methods: This is a mixed-methods study with an explanatory sequential design, conducted at a public university hospital in Espírito Santo, Brazil, integrating quantitative and qualitative methods. In the quantitative phase, anthropometric and biochemical data from 37 patients were evaluated at two time points: about two months before and six months after surgery. Data were analyzed using the paired t-test or Wilcoxon test, with a significance level of 5%. The qualitative phase involved semi-structured interviews six months after bariatric surgery with 11 patients, whose narratives were analyzed using a thematic approach and triangulated with the clinical data. Results: Quantitative results showed statistically significant reductions in body weight, BMI, total cholesterol, LDL-c, triglycerides, and glucose (p<0.05). Qualitative findings indicated significant gains in quality of life, reduction of pain, and improved mobility, but also highlighted challenges related to dietary adaptation, side effects, and the importance of family and professional support during the postoperative period. Conclusion: Bariatric surgery led to significant clinical and biochemical improvements, associated with better perceived health, functional gains, reduced medication use, improved quality of life, and greater autonomy. Additionally, qualitative findings highlighted the influence of social factors on the postoperative experience, emphasizing the need for future investigations.
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Cirurgia bariátrica , Saúde física , Resultados clínicos