Peripheral arterial disease among children with type 1 diabetes mellitus in a Nigerian teaching hospital.

Objectives: The study aimed to determine the prevalence of PAD in children with T1DM and to correlate PAD with clinical characteristics in children with T1DM.
Methods: A comparative cross-sectional study was conducted involving 90 subjects (forty-five with T1DM and 45 apparently healthy comparative subjects that were matched for age and gender). Systolic blood pressure was measured in all limbs using the pocket Doppler machine (Norton Doppler scan machine). Ankle brachial index (ABI) was calculated as a ratio of ankle to arm systolic blood pressure. Peripheral arterial disease was defined as ABI less than 0.9.
Results: The prevalence of PAD was significantly higher in children with T1DM than in the matched comparison group (37.8% vs. 6.7%, p<0.001). Average values of waist circumference, hip circumference, weight, height and body mass index were comparable in subjects with TIDM and the comparison group (p>0.05). Subjects with PAD had a poorer glucose control evident by higher average values of glycated haemoglobin than those without PAD (13.47 ± 3.2% vs. 8.16 ± 2.3%, p<0.001). There is a strong negative correlation between ABI scores and glycated haemoglobin among subjects with T1DM (r=-0.626, p<0.001).
Conclusions: With these findings, it is recommended that screening for PAD in children who have T1DM and poor glycaemic control should be done early to prevent cardiovascular complications before they arise.
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