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Seasonal acclimation in sudomotor function evaluated by QSART in healthy humans
The Korean Journal of Physiology and Pharmacology ; : 499-505, 2016.
Artigo em Inglês | WPRIM | ID: wpr-728681
ABSTRACT
The quantitative sudomotor axon reflex testing (QSART) is a classic test of routine postganglionic sudomotor function. We investigated sudomotor function by QSART after summer (July 2012) and winter (January 2013) seasonal acclimation (SA) in the Republic of Korea. QSART with acetylcholine (ACh) iontophoresis were performed to determine directly activated (DIR) and axon reflex-mediated (AXR1, 2) sweating rate. Onset time of axon reflex, activated sweat gland density (ASGD), activated sweat gland output (ASGO), tympanic and skin temperatures (T(ty), T(sk)), basal metabolic rate (BMR), and evaporative loss volume changes were measured. Tympanic and mean body temperature (T(b); calculated from T(ty), T(sk)) were significantly lower after summer-SA than that of winter-SA. Sweat onset time was delayed during winter-SA compared to that after summer-SA. BMR, AXR(1), AXR(2), and DIR sweat rates, ASGD and ASGO, and evaporative loss volume were significantly diminished after winter-SA relative to after summer-SA. In conclusion, changes in sweating activity measured by QSART confirmed the involvement of the peripheral nervous system in variation of sudomotor activity in seasonal acclimation.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Reflexo / Estações do Ano / Temperatura Cutânea / Axônios / Suor / Glândulas Sudoríparas / Sudorese / Metabolismo Basal / Temperatura Corporal / Acetilcolina Limite: Humanos País/Região como assunto: Ásia Idioma: Inglês Revista: The Korean Journal of Physiology and Pharmacology Ano de publicação: 2016 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Reflexo / Estações do Ano / Temperatura Cutânea / Axônios / Suor / Glândulas Sudoríparas / Sudorese / Metabolismo Basal / Temperatura Corporal / Acetilcolina Limite: Humanos País/Região como assunto: Ásia Idioma: Inglês Revista: The Korean Journal of Physiology and Pharmacology Ano de publicação: 2016 Tipo de documento: Artigo