Antrum Size, Glucagon-like Peptide 1 Levels and Glycemic Control After Sleeve Gastrectomy in Morbid Obese Diabetic Adolescents

Inclusion Criteria: * Adolescent, children (more than 12 years or less than 20 years), with BMI of at least 40 kg/m2, or 35 kg/m2 with an associated co-morbidity (e.g. hypertension, diabetes, dyslipidemia, obstructive sleep apnea, left ventricular hypertrophy, nonalcoholic steatohepatitis, orthopedic problems). Those with failure to achieve clinically significant weight loss (10% of baseline body weight) despite strict participation for at least 6 months in a formal weight management program were included in the study. Exclusion Criteria: * Adults, children (less than 12 years or more than 20 years) or their family who do not understand risks and benefits of the intervention, adolescents who are not autonomously motivated to consider operation, those have unrealistic expectations for results of the surgical intervention, or their parents, families or patients who cannot strictly comply with the postoperative nutritional recommendations and long-term medical and nutritional monitoring, presence of a medically correctable cause of obesity (relative contraindication), existence of a medical, psychiatric, or cognitive condition as attention deficit hyperkinetic disorders (ADHD) which may impair the ability of patient to assent to surgery or to adhere to postoperative dietary and medication regimen (relative contraindication), illicit substance abuses in preceding year, lactating, pregnant, or plans for pregnancy in upcoming 2 years and patients refuse to participate were excluded.