| Alterations in cardiovascular autonomic function tests in idiopathic hyperhidrosis. | |
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MedLine Citation:
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PMID: 22244716 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We performed cardiovascular autonomic function tests to assess sympathetic and parasympathetic functions in patients with idiopathic hyperhidrosis. We studied 35 patients with idiopathic hyperhidrosis and 35 age- and sex-matched controls. A thermoregulatory sweat test (TST) was performed in all subjects. Sweating was qualitatively (Minor's test at 22°C) and quantitatively (skin conductance) evaluated. Orthostatism, tilt to 65°, cold pressor test, deep breathing, Valsalva maneuver and hyperventilation were performed in patients and controls. A greater fall in blood pressure values was observed in patients than in controls in the upright tests (p<0.05). In particular, postural hypotension was present in a subgroup of patients (34%), in whom changes in lying-to-standing blood pressure and heart rate were greater (p<0.001) than those of the remaining patients. The TST revealed that the total body sweat rate (ml/cm²/min) was more pronounced in patients with postural hypotension (p<0.001) than in the other patients and controls. The skin conductance values of patients with postural hypotension were higher (p<0.001) than those of the remaining patients. A positive correlation was found between skin conductance values and postural hypotension. Dehydration and poor water intake may play a role in postural hypotension in patients with severe hyperhidrosis and pronounced thermoregulatory sweating. A significantly marked increase in parasympathetic function was observed in patients. Responses to deep breathing, Valsalva maneuver and hyperventilation were significantly greater in patients (p<0.001) than in controls. Idiopathic hyperhidrosis seems to be a complex dysfunction that involves autonomic pathways other than those related to sweating. |
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Authors:
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Milena De Marinis; Elisa Colaizzo; Rosa Anna Nives Petrelli; Valter Santilli |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-11 |
Journal Detail:
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Title: Autonomic neuroscience : basic & clinical Volume: - ISSN: 1872-7484 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100909359 Medline TA: Auton Neurosci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier B.V. All rights reserved. |
Affiliation:
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Department of Neurology and Psychiatry, "Sapienza" University, Rome, Italy. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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