The Bialystok Bariatric Surgery Study

Inclusion Criteria

• •BMI ≥ 40 kg/m2, or BMI ≥ 35 and at least one or more obesity-related co-morbidities such as type 2 diabetes (T2D), hypertension, sleep apnea and other respiratory disorders, non-alcoholic fatty liver disease, osteoarthritis, lipid abnormalities, gastrointestinal disorders, or heart disease.
• •Inability to achieve a healthy weight loss sustained for a period of time with prior weight loss efforts
• •Patient consent for participation in research project
• •Willingness in participation in follow-up visits