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Polyneuropathy in type 1 and type 2 diabetes: comparison of nerve conduction studies, thermal perception thresholds and intraepidermal nerve fibre densities
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2010 (English)In: Diabetes/Metabolism Research Reviews, ISSN 1520-7552, E-ISSN 1520-7560, Vol. 26, no 2, 100-106 p.Article in journal (Refereed) Published
Abstract [en]

Background To evaluate possible differences in distal polyneuropathy (PN) characteristics and degree of abnormalities for various small and large fibre parameters in diabetes type 1 (DM1) and type 2 (DM2). Methods Sixty-six DM1 and 57 DM2 patients with or without PN symptoms were included. Nerve conduction studies (NCS), quantitative sensory testing (QST) and quantification of intraepidermal nerve fibres (IENFs) were performed. Z-scores were calculated from reference materials. Results In both groups, 42% had abnormal NCS classification, 42% (DM1) and 39% (DM2) abnormal QST, as well as 40% (DM1) and 32% (DM2) abnormal IENF density. Seventy percent (DM1) and 65% (DM2) had one of the three tests abnormal (differences not significant). Correlations were found between most Z-score parameters and disease duration and HbAlc in DM1, but fewer in DM2. In multivariate analysis, some NCS and QST Z-scores were more abnormal in DM2. Symptom scoring correlated better with NCS and QST parameters in DM1. Conclusions The differences could be referred to disease duration, glycaemic control and possibly patient age. The various parameters from NCS, QST and IENF analysis contribute differently in the assessment of polyneuropathy. Copyright (C) 2009 John Wiley & Sons, Ltd.

Place, publisher, year, edition, pages
2010. Vol. 26, no 2, 100-106 p.
Keyword [en]
diabetes, neuropathy, intraepidermal nerve fibre density, nerve conduction studies, quantitative sensory testing, comparative study
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-136973DOI: 10.1002/dmrr.1049ISI: 000276833600003OAI: oai:DiVA.org:uu-136973DiVA: diva2:377857
Available from: 2010-12-15 Created: 2010-12-14 Last updated: 2010-12-15Bibliographically approved

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Clinical Neurophysiology
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