A Clinic-based Approach to Diagnosis and Management of Prediabetes in High-risk Children and Adolescents

Author:

Lawson Chelsea1,Ahmed S Naseeruddin2ORCID,Brady Cassandra3,Shoemaker Ashley H3ORCID

Affiliation:

1. Vanderbilt University School of Medicine, Nashville, Tennessee

2. Brody School of Medicine at East Carolina University, Greenville, North Carolina

3. Division of Pediatric Endocrinology, Vanderbilt University Medical Center, Nashville, Tennessee

Abstract

Abstract Background Type 2 diabetes (T2D) in youth is increasing in prevalence. Diabetes screening is recommended for at-risk youth but best-practice strategies for management of pediatric prediabetes are unknown. This study leverages a pediatric prediabetes clinic to assess identification of high-risk patients, the rate of clinic follow-up and progression to T2D in youth over time. Methods Retrospective chart review of children referred to a single center for evaluation of prediabetes over a 3-year period. Measurements included hemoglobin A1c (HbA1C) and oral glucose tolerance testing. Patients were classified as normal glucose tolerance (NGT), impaired glucose tolerance (IGT) or T2D based on 2019 American Diabetes Association criteria. Patients classified as IGT/T2D were prescribed metformin. Results Of the 254 patients included; 25.6% had IGT and 6.7% had T2D. The IGT/T2D groups were older and more obese than the NGT group. There was a moderate correlation between HbA1C and fasting glucose (r = 0.59, P < 0.001); HbA1C and 2-hour glucose (r = 0.63, P < 0.001). Over the 3-year study, 52 of 82 patients with IGT/T2D (63%) returned for follow-up. Four patients regained NGT; 3 of those had isolated impaired fasting glucose (100 to 102 mg/dL). Three patients (4.6%) progressed from IGT to T2D over an average of 13 ± 6.2 months. In those patients, body mass index had increased 1.7 ± 2.3 kg/m2 from baseline. Conclusions A pediatric prediabetes clinic may allow for identification of high-risk youth but lost to follow-up rates are high. Continued weight gain is a risk factor for progression to T2D and effective weight management programs are needed.

Funder

National Institute of Diabetes and Digestive and Kidney Diseases

Publisher

The Endocrine Society

Subject

Endocrinology, Diabetes and Metabolism

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