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Year : 2016  |  Volume : 53  |  Issue : 4  |  Page : 232-237

Frequency and determinants of subclinical neuropathy in type 1 diabetes mellitus

1 Department of Neurology, Zagazig University, Zagazig, Egypt
2 Department of Internal Medicine, Zagazig University, Zagazig, Egypt
3 Department of Community Medicine and Public Health, Zagazig University, Zagazig, Egypt

Correspondence Address:
Rasha M Fahmi
Department of Neurology, Zagazig University, Zagazig
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1110-1083.202383

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Background Diabetic neuropathy is the most common complication of diabetes. We hypothesized that uncontrolled diabetes is associated with subclinical diabetic neuropathy that is influenced by duration of disease. Assessment of the prevalence and associated determining factors will be important for the prevention and treatment of neuropathy. Objective This aim of this study was to assess the frequency and determining factors of subclinical peripheral neuropathy in type 1 diabetic (T1DM) patients. Patients and methods The current hospital-based, case–control study was conducted at Zagazig University Hospitals. It included three age-matched and sex-matched groups. Each group comprised 30 participants: group A included diabetic patients with a duration of T1DM of 5 years or less; group B included patients with a duration of T1DM of more than 5 years; and the control group included normal healthy individuals. Clinical assessment was carried out to exclude symptoms and signs of neuropathy. Laboratory investigations including fasting and 2-h postprandial blood glucose level, glycosylated hemoglobin (HbA1c), lipid profile, liver function, kidney function, and nerve conduction studies were carried out for every participant. Results The frequency of subclinical neuropathy in group A and group B was 46.6 and 76.6%, respectively, and this difference was statistically significant (P=0.03). Univariate analysis revealed significantly higher levels of HbA1c, dyslipidemia, and nerve conduction parameters in group B compared with group A and the control group. Multivariate logistic regression analysis showed that duration of diabetes (P=0.02) and HbA1c (P=0.02) were the only independent factors associated with subclinical neuropathy. Conclusion The high frequency of subclinical neuropathy in diabetic patients highlights the importance of nerve conduction studies for the early detection of neuropathy in T1DM.

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