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Revista médica de Chile

versión impresa ISSN 0034-9887

Resumen

LORENZINI, Nicolás; DIAZ, Claudio  y  QUINTANA, Tamara. Sudomotor dysfunction diagnostic test for early detection of diabetic neuropathy. Rev. méd. Chile [online]. 2020, vol.148, n.1, pp.54-59. ISSN 0034-9887.  http://dx.doi.org/10.4067/S0034-98872020000100054.

Background:

Sudomotor dysfunction may appear in early stages of diabetic neuropathy.

Aim:

To evaluate the diagnostic capacity of the Neuropad test, based on the detection of sudomotor dysfunction, as an early indicator of diabetic neuropathy.

Material and Methods:

In Forty-two type 2 diabetic patients, the Neuropad test was compared with the 10 g monofilament test (proposed in the technical orientation of diabetic foot of the Ministry of Health of Chile), deep and thermal sensitivity.

Results:

The surface sensitivity assessed with a brush had a sensitivity and specificity of 18.8 and 100% respectively when compared with the 10 g monofilament. When compared with the Neuropad, the figures were 9 and 100%, respectively. Pain perception sensitivity and specificity were 13 and 100% respectively when compared with the 10 g monofilament. The figures were 6 and 100%, when compared with the Neuropad. Thermal discrimination had a sensitivity and specificity of 88 and 33% respectively when compared with the 10 g monofilament. The figures were 75 and 25% respectively when compared with the Neuropad. The deep sensitivity evaluated with a 128 Hz tuning fork had a sensitivity and specificity of 31 and 100% respectively when compared with the 10 g monofilament. The figures were 16 and 31% respectively when compared with the Neuropad. The Neuropad had a sensitivity and specificity of 94 and 29% respectively were compared with the 10 g monofilament.

Conclusions:

Neuropad had a good diagnostic yield for the early detection of sudomotor dysfunction.

Palabras clave : Diabetic Neuropathies; Sensitivity and Specificity; Small Fiber Neuropathy; Sweating.

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