Tags

Type your tag names separated by a space and hit enter

Plasma arginine vasopressin, atrial natriuretic peptide and brain natriuretic peptide responses to long-term field training in the heat: effects of fluid ingestion and acclimatization.
Eur J Appl Physiol Occup Physiol. 1997; 75(3):219-25.EJ

Abstract

The maintenance of blood volume during exercise, especially in a hot environment, is of major importance for continued performance. In order to investigate the relationships between exercise, type and amount of fluid intake and the degree of acclimatization to heat stress and on responses of arginine vasopressin (AVP), atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP), we studied 24 soldiers during and after jogging/walking exercise both before and after acclimatization to field training at [mean (SE)] 40 (0.7) degrees C and 32 (3)% relative humidity. The running exercise was carried out under three conditions, i.e., (1) without any fluid intake, (2) with intake of water or (3) with intake of a dextrose/electrolyte solution. Venous blood samples were drawn before exercise, at the end of exercise and at 15 min and 60 min afterwards. Acclimatization resulted in significant losses of body mass, total body water, plasma volume, ANP and increases in plasma osmolality, packed cell volume and AVP at rest but without any significant changes in BNP. During exercise with no fluid intake, there was a significant rise in plasma osmolality, Na+ and AVP, but no significant alterations in plasma ANP and BNP were observed. When subjects ingested water or dextrose/electrolyte solution during exercise, ANP rose by 234% and 431% respectively and BNP rose by 398% and 583% respectively without any significant increase in AVP. The results suggest that, during acclimatization, the subjects became slightly dehydrated. Alterations in response to changes in body water status appear to be greater for AVP than ANP or BNP at rest. During exercise in the heat ANP and BNP may play complementary roles.

Authors+Show Affiliations

Department of Anatomy and Physiology, Dundee University, Scotland, UK.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

9088840

Citation

Mudambo, K S., et al. "Plasma Arginine Vasopressin, Atrial Natriuretic Peptide and Brain Natriuretic Peptide Responses to Long-term Field Training in the Heat: Effects of Fluid Ingestion and Acclimatization." European Journal of Applied Physiology and Occupational Physiology, vol. 75, no. 3, 1997, pp. 219-25.
Mudambo KS, Coutie W, Rennie MJ. Plasma arginine vasopressin, atrial natriuretic peptide and brain natriuretic peptide responses to long-term field training in the heat: effects of fluid ingestion and acclimatization. Eur J Appl Physiol Occup Physiol. 1997;75(3):219-25.
Mudambo, K. S., Coutie, W., & Rennie, M. J. (1997). Plasma arginine vasopressin, atrial natriuretic peptide and brain natriuretic peptide responses to long-term field training in the heat: effects of fluid ingestion and acclimatization. European Journal of Applied Physiology and Occupational Physiology, 75(3), 219-25.
Mudambo KS, Coutie W, Rennie MJ. Plasma Arginine Vasopressin, Atrial Natriuretic Peptide and Brain Natriuretic Peptide Responses to Long-term Field Training in the Heat: Effects of Fluid Ingestion and Acclimatization. Eur J Appl Physiol Occup Physiol. 1997;75(3):219-25. PubMed PMID: 9088840.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Plasma arginine vasopressin, atrial natriuretic peptide and brain natriuretic peptide responses to long-term field training in the heat: effects of fluid ingestion and acclimatization. AU - Mudambo,K S, AU - Coutie,W, AU - Rennie,M J, PY - 1997/1/1/pubmed PY - 1997/1/1/medline PY - 1997/1/1/entrez SP - 219 EP - 25 JF - European journal of applied physiology and occupational physiology JO - Eur J Appl Physiol Occup Physiol VL - 75 IS - 3 N2 - The maintenance of blood volume during exercise, especially in a hot environment, is of major importance for continued performance. In order to investigate the relationships between exercise, type and amount of fluid intake and the degree of acclimatization to heat stress and on responses of arginine vasopressin (AVP), atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP), we studied 24 soldiers during and after jogging/walking exercise both before and after acclimatization to field training at [mean (SE)] 40 (0.7) degrees C and 32 (3)% relative humidity. The running exercise was carried out under three conditions, i.e., (1) without any fluid intake, (2) with intake of water or (3) with intake of a dextrose/electrolyte solution. Venous blood samples were drawn before exercise, at the end of exercise and at 15 min and 60 min afterwards. Acclimatization resulted in significant losses of body mass, total body water, plasma volume, ANP and increases in plasma osmolality, packed cell volume and AVP at rest but without any significant changes in BNP. During exercise with no fluid intake, there was a significant rise in plasma osmolality, Na+ and AVP, but no significant alterations in plasma ANP and BNP were observed. When subjects ingested water or dextrose/electrolyte solution during exercise, ANP rose by 234% and 431% respectively and BNP rose by 398% and 583% respectively without any significant increase in AVP. The results suggest that, during acclimatization, the subjects became slightly dehydrated. Alterations in response to changes in body water status appear to be greater for AVP than ANP or BNP at rest. During exercise in the heat ANP and BNP may play complementary roles. SN - 0301-5548 UR - https://www.unboundmedicine.com/medline/citation/9088840/Plasma_arginine_vasopressin_atrial_natriuretic_peptide_and_brain_natriuretic_peptide_responses_to_long_term_field_training_in_the_heat:_effects_of_fluid_ingestion_and_acclimatization_ L2 - https://medlineplus.gov/exerciseandphysicalfitness.html DB - PRIME DP - Unbound Medicine ER -