Cited by 52Electrolyte and hormonal disordersNeuroendocrine regulation and behaviorIon Transport and Channel Regulation

Relationship between plasma osmolality and plasma vasopressin in human subjects.

Hammer, M., Ladefoged, J., Olgaard, K.·1980·American Journal of Physiology-Endocrinology and Metabolism

Abstract

The relationship between plasma osmolality (pOsm) and plasma vasopressin (pAVP) was studied in 13 human subjects during dehydration. The fit of linear, log-linear, parabolic, and exponential models was tested. For all of the data, the nonlinear models had the best fit. However, when individual differences in either gain or threshold were allowed for, the linear models were better than log-linear models. Finally, analyses were made with individual data points. Linear models had the best fit in half of the subjects, whereas for the others the parabolic model gave the best fit. For those subjects investigated in the low range of the osmoregulatory curve, a linear relationship was found, whereas, for those having the most pronounced increase in pOsm, the most significant improvement was found with the parabolic model. This finding indicates that the relationship is not stable during dehydration in the whole range and that hypovolemia probably can influence the secretion rate and/or metabolic clearance rate and thereby the relationship.

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Crossref · 10.1152/ajpendo.1980.238.4.e313

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Authors
Hammer, M., Ladefoged, J., & Olgaard, K.
Venue
American Journal of Physiology-Endocrinology and Metabolism
Published
1980-04-01
Volume
238
Issue
4
Pages
E313-E317
ISSN
  • 0193-1849 (ISSN-L)
  • 1522-1555
OpenAlex
W2406653149
Cited by
52
References
7
Citations by year
2024: 1 · 2022: 1 · 2021: 2 · 2020: 1 · 2019: 1 · 2017: 1 · 2015: 2 · 2014: 1 · 2012: 1
FWCI
4.73
Type
journal article
Language
en
Open access
closed
Locations
  • American Journal of Physiology-Endocrinology and Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Electrolyte and hormonal disorders
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion Transport and Channel Regulation
Keywords
plasma osmolality, plasma vasopressin, dehydration, osmoregulation, vasopressin release, hypovolemia, nonlinear models, individual differences, metabolic clearance rate
MeSH terms
Adolescent, Adult, Dehydration, Female, Humans, Male, Middle Aged, Osmolar Concentration, Plasma, Radioimmunoassay, Sodium, Vasopressins

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