Profiles of patients qualified for bariatric surgeries with Roux-en-Y gastric bypass and sleeve gastrectomy methods

Introduction
Bariatric surgery is one of the methods of extreme obesity treatment used in case of patients with body mass index (BMI) ≥ 40 kg/m2 or BMI ≥ 35 kg/m2 and accompanying diseases (e.g. hypertension) for whom previous conservative treatment was not successful. To determine the anthropometric and biochemical profiles of patients qualified for Roux-en-Y gastric bypass (RYGB) or sleeve gastrectomy (SG).

Material and methods
The study involved 60 patients qualified for surgical treatment. The standardized Food Frequency Questionnaire supplemented by a survey which contained questions on previous attempts to lose weight and their results (including yo-yo effect) were administered. The anthropometric measurements included weight, height, waist and hip circumference. Biochemical analysis of blood (lipid profile, liver profile, glucose, glycated haemoglobin and C-reactive protein) were performed using calorimetric method. All the results were statistically analysed using the STATISTICA 12 software.

Results
The patients had a history of numerous attempts (≥ 6) to lose weight using unbalanced diets. Women qualified for SG had higher levels of parameters indicating the presence of inflammatory state, dyslipidaemia and improper glycaemia. Men qualified for RYGB had significantly higher values of γ-glutamyl transpeptidase.

Conclusions
Numerous unsuccessful attempts to lose weight can signify a low level of nutritional knowledge and the need to educate the patients both before and after the surgery. Patients at higher perioperative risk (due to anthropometric and biochemical parameters) were qualified to less invasive surgery treatment. Higher risk of developing cholelithiasis after the surgery would be attributed to irrational attempts of body weight loss before the procedure, and not to the RYGB itself.