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J Bras Pneumol. 2012 Sep-Oct;38(5):573-8.

Quantitative assessment of the intensity of palmar and plantar sweating in patients with primary palmoplantar hyperhidrosis.

[Article in English, Portuguese]

Author information

1
University of São Paulo School of Medicine Hospital das Clínicas, São Paulo, Brazil. brunoyps@yahoo.com.br

Abstract

OBJECTIVE:

To compare individuals with and without hyperhidrosis in terms of the intensity of palmar and plantar sweating.

METHODS:

We selected 50 patients clinically diagnosed with palmoplantar hyperhidrosis and 25 normal individuals as controls. We quantified sweating using a portable noninvasive electronic device that has relative humidity and temperature sensors to measure transepidermal water loss. All of the individuals had a body mass index of 20-25 kg/cm². Subjects remained at rest for 20-30 min before the measurements in order to reduce external interference. The measurements were carried out in a climate-controlled environment (21-24ºC). Measurements were carried out on the hypothenar region on both hands and on the medial plantar region on both feet.

RESULTS:

In the palmoplantar hyperhidrosis group, the mean transepidermal water loss on the hands and feet was 133.6 ± 51.0 g/m²/h and 71.8 ± 40.3 g/m²/h, respectively, compared with 37.9 ± 18.4 g/m²/h and 27.6 ± 14.3 g/m²/h, respectively, in the control group. The differences between the groups were statistically significant (p < 0.001 for hands and feet).

CONCLUSIONS:

This method proved to be an accurate and reliable tool to quantify palmar and plantar sweating when performed by a trained and qualified professional.

PMID:
23147049
[Indexed for MEDLINE]
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