Diagnóstico de pré-diabetes e diabetes numa população obesa segundo os novos critérios da American diabetes association

Different methods can be used to diagnose pre-diabetes and diabetes in asymptomatic individuals, specifically the hemoglobin A1c, the OGTT and fasting plasma glucose. Patients with obesity have higher predisposition to develop diabetes, becoming difficult to control it due to the development of insulin resistance and to the increasing of glucose concentration in the blood. The present study aimed: (1) to verify the achievement of the new criteria of the American Diabetes Association (ADA) on pre-diabetes and diabetes based on A1c within obese subjects without previous diagnosis of pre-diabetes; and (2) to compare between the number of patients diagnosed with pre-diabetes and Diabetes Mellitus by fasting plasma glucose, OGTT and the new ADA criteria for the A1c. We evaluated 111 obese subjects (85.6% females), with ages between 16 and 64 years (mean = 41.4; sd = 11.4). The diagnosis of diabetes and pre-diabetes in obese individuals without previous diagnosis appears to be influenced by the method applied. The OGTT diagnosed more patients, followed by the new A1c criteria and, finally, the fasting plasma glucose test, which resulted in a lower proportion of new diagnoses.