Despite initial improvements, mental health significantly declined at 24 months post-gastric bypass (46.85%) compared to 12 months, while physical health remained stable (50.91%).
Does Roux-en Y gastric bypass improve quality of life and nutritional habits in patients with severe obesity at 24 months?
While bariatric surgery provides initial improvements in quality of life, mental health significantly declines by 24 months, highlighting the need for continued mid-term psychological support.
Background/Objectives: Obesity is an increasingly concerning public health issue due to its high prevalence and its association with multiple comorbidities. A significant proportion of patients with obesity who undergo bariatric surgery could exhibit suboptimal mid-term outcomes. This study aims to comprehensively assess anthropometric, clinical, biochemical, nutritional, and quality of life parameters in patients with severe obesity undergoing bariatric surgery, with a particular focus on outcomes at 24 months post-surgery to capture mid-term effects that may not be apparent during the first year of follow-up. Methods: A prospective study was conducted in 95 patients with obesity undergoing bariatric surgery (Roux-en Y gastric bypass; RYGB) at the Virgen de la Arrixaca University Clinical Hospital (Murcia, Spain) between 2020 and 2023. Participants were followed up at 6, 12, and 24 months after RYGB. The study incorporated anthropometric assessments (BMI, body composition via bioelectrical impedance), full biochemical profiling, dietary analysis (using a validated food frequency questionnaire), and quality of life assessment (SF-36 questionnaire). Results: Our results showed significant weight loss after the intervention, accompanied by improvements in metabolic parameters, and dietary habits. Regarding quality of life, significant improvements were observed in both the physical (baseline: 39.62%; 6 months: 52.40%; 12 months: 53.12%) and mental components (baseline: 42.08; 6 months: 53.40; 12 months: 52.14%) at 6 and 12 months post-surgery. However, our prospective 24-month follow-up revealed that, despite these initial benefits, mental health significantly declined compared with the 12-month follow-up (24 months: 46.85%). In contrast, the physical component remained relatively stable at 24 months (24 months: 50.91%). However, our prospective 24-month follow-up revealed that, despite these initial benefits, there was a decline in mental health compared to the 12-month follow-up. Conclusions: While bariatric surgery is associated with improvements in anthropometric measures and some aspects of quality of life, our findings underscore the need for continued mid-term support to address emerging challenges in mental well-being.
Martínez-Sánchez et al. (2026) studied this question. Despite initial improvements, mental health significantly declined at 24 months post-gastric bypass (46.85%) compared to 12 months, while physical health remained stable (50.91%).
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