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Sponsor: G.Gennimatas General Hospital
Conditions: Obesity (BMI > 35), Morbid Obesity
Interventions: Bariatric Surgery
Countries: Greece
Bariatric surgery is an effective treatment for severe obesity, but postoperative complications remain an important cause of morbidity. Several nutritional and inflammatory biomarkers derived from routine preoperative blood tests have been proposed as predictors of postoperative outcomes; however, their comparative value in bariatric surgery has not been fully established. This single-center retrospective cohort study will evaluate the ability of preoperative nutritional and inflammatory indices, including the Prognostic Nutritional Index (PNI), Neutrophil-to-Lymphocyte Ratio (NLR), Platelet-to-Lymphocyte Ratio (PLR), Systemic Immune-Inflammation Index (SII), Systemic Inflammation Response Index (SIRI), and C-reactive Protein-to-Albumin Ratio (CAR), to predict 30-day postoperative complications following bariatric surgery. The study aims to identify the most clinically useful biomarker for preoperative risk stratification and optimization of perioperative care.
Sex: ALL
Age: 18 Years to —
Healthy volunteers: No
Study type: OBSERVATIONAL
Inclusion Criteria: Adults aged 18 years or older. * Patients who underwent bariatric surgery (sleeve gastrectomy, Roux-en-Y gastric bypass, SADI, or SASI). * Availability of complete preoperative laboratory data required for calculation of nutritional and inflammatory indices. * Availability of postoperative follow-up data for assessment of 30-day complications. Exclusion Criteria: * Patients younger than 18 years. * Missing key preoperative laboratory values required to calculate study indices. * Incomplete medical records or unavailable 30-day postoperative outcome data.
- Athens, Greece