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Indian Journal of Dermatology, Venereology and Leprology
Medknow Publications on behalf of The Indian Association of Dermatologists, Venereologists and Leprologists (IADVL)
ISSN: 0378-6323
EISSN: 0973-3922
Vol. 70, No. 1, 2004, pp. 18-19
Bioline Code: dv04004
Full paper language: English
Document type: Research Article
Document available free of charge

Indian Journal of Dermatology, Venereology and Leprology, Vol. 70, No. 1, 2004, pp. 18-19

 en Sweat function in the diabetic foot
Markendeya Nirmala , V Martina , Mathew Anil , Srinivas CR


Background: Autonomic dysfunction, an early manifestation of diabetic neuropathy, presents with altered sweating patterns, leading to dryness and fissuring. We conducted a study to assess the sweat function in the diabetic foot and to determine the interrelation between the duration of diabetes, sensation, fissuring, and sweating. Methods: The sweat function was assessed in 30 diabetic patients, 28 of whom had fissuring of the feet, using Ninhydrin impregnated discs. Results: There was a significant association between fissuring and sensation, but not between the duration of diabetes and fissuring and between loss of sweating and fissuring. In 18 patients (60%) there was impairment or absence of sweating in the presence of normal sensation. Conclusion: Although fissuring increases with long-standing diabetes and sweating is reduced in diabetic patients with fissures on the foot, the correlation between these entities was not statistically significant. Since 60% patients had altered sweating in the presence of normal sensations, the sweat test can be used as an early indicator of diabetic neuropathy.

Ninhydrin sweat test, Fissures of the foot, Diabetic autonomic neuropathy

© Copyright 2004 Indian Journal of Dermatology, Venereology, Leprology.
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