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Eur Neurol. 2000;44(2):112-6.

Cardiac autonomic function in patients suffering from primary focal hyperhidrosis.

Author information

1
Division of Neurological Rehabilitation, Department of Neurology, University of Vienna, Austria. peter.birner@akh-wien.ac.at

Abstract

Cardiac autonomic function in patients (n = 63) with primary focal hyperhidrosis and healthy controls (n = 28) was investigated by short-term frequency domain power spectral analysis of heart rate variability. The power of the very-low-frequency band (0.01-0.05 Hz) was significantly lower in patients with axillary hyperhidrosis than in controls. No differences between groups could be observed at investigation of the low-frequency band (0.05-0.15 Hz), which was a surprising finding because this band represents also sympathetic cardiac innervation. At the high-frequency band (0.15-0.5 Hz), which represents parasympathetic cardiac innervation, an interaction of type and position influencing spectral power was detected. Our highly interesting findings indicate that primary focal hyperhidrosis is based on a much more complex autonomic dysfunction than generalised sympathetic overactivity and seems to involve the parasympathetic nervous system as well.

PMID:
10965164
DOI:
10.1159/000008207
[Indexed for MEDLINE]

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