Risk Factors for Diabetic Peripheral Neuropathy in Adolescents and Young Adults With Type 2 Diabetes: Results From the TODAY Study
DIABETES CARE(2021)
摘要
Objective:
Data related to diabetic neuropathy in youth with type 2 diabetes are limited. We examined the relationship of glycemic
control, sex, race-ethnicity, BMI, and other type 2 diabetes-associated factors
with the development of diabetic peripheral neuropathy (DPN) in type 2 diabetes
youth enrolled in the Treatment Options for type 2
Diabetes in Adolescents and Youth (TODAY) study.
Research
Design and Methods: The Michigan
Neuropathy Screening Instrument (MNSI) and a 10-gram monofilament exam were performed
annually. DPN was defined as a score (>2) on the MNSI-exam or combined
MNSI-exam and MNSI-survey scores (exam >2 and/or survey ≥4), or monofilament
(<8/10 correct responses) at 2 or more consecutive visits. Multivariable time-to-event
models assessed the association of risk factors evaluated longitudinally with DPN
events.
Results: 674
participants (35% male), with mean age 14 years and diabetes duration <2
years at study entry were evaluated annually over an average of 10.2 years. Males
had a significantly higher cumulative incidence of DPN than females (38.5% vs. 27.2% via MNSI-exam, p=0.002; 14.0%
vs. 5.1% via monofilament, p=0.01). Rates did not differ by race-ethnicity.
Higher HbA1c and BMI were associated with higher DPN, by both MNSI and
monofilament. In multivariable models, male sex, older age, and higher BMI were
associated with MNSI-exam DPN risk.
Conclusions: DPN was evident early
in the course of youth-onset type 2 diabetes and increased
over time. It was higher in males and related to glycemic control. These
findings raise concern for long-term development of neuropathy-related morbidity
in youth with type 2 diabetes and the need to achieve improved glycemic
control.
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