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Tactile direction discrimination and vibration detection in diabetic neuropathy.

Journal article
Authors Line Sofie Löken
Linda Lundblad
Mikael Elam
Håkan Olausson
Published in Acta neurologica Scandinavica
Volume 121
Issue 5
Pages 302–308
ISSN 1600-0404
Publication year 2009
Published at Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation
Pages 302–308
Language en
Links dx.doi.org/10.1111/j.1600-0404.2009...
Subject categories Medical and Health Sciences

Abstract

Löken LS, Lundblad LC, Elam M, Olausson HW. Tactile direction discrimination and vibration detection in diabetic neuropathy. Acta Neurol Scand: DOI: 10.1111/j.1600-0404.2009.01282.x. (c) 2009 The Authors Journal compilation (c) 2009 Blackwell Munksgaard.Objective - To evaluate the clinical usefulness of quantitative testing of tactile direction discrimination (TDD) in patients with diabetic neuropathy. Materials and methods - TDD and vibration detection were examined on the dorsum of the feet in 43 patients with type 1 diabetes mellitus and clinical signs and symptoms indicating mild neuropathy, and abnormal results for neurography, temperature detection, or heart rate variability. Test-retest examination of TDD was performed in nine of the patients. Results - Twenty-six of the patients had abnormal TDD (sensitivity 0.60) and 20 had abnormal vibration detection (sensitivity 0.46). Ten of the patients had abnormal TDD and normal vibration detection. Four of the patients had abnormal vibration detection and normal TDD. Test-retest examination of TDD showed a high degree of reproducibility (r = 0.87). Conclusion - TDD seems more useful than vibration detection in examination of diabetic neuropathy.

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