ArticleEuropean journal of applied physiology and occupational physiology1985
Capillary-venous differences of free plasma catecholamines at rest and during graded exercise.
Article in European journal of applied physiology and occupational physiology, 1985. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 20 citations in OpenAlex.
- Heart rate deflection related to lactate performance curve and plasma catecholamine response during incremental cycle ergometer exercise.European journal of applied physiology and occupational physiology · 1995Trial
- Training-overtraining: performance, and hormone levels, after a defined increase in training volume versus intensity in experienced middle- and long-distance runners.British journal of sports medicine · 1992Article
- Training-overtraining: influence of a defined increase in training volume vs training intensity on performance, catecholamines and some metabolic parameters in experienced middle- and long-distance runners.European journal of applied physiology and occupational physiology · 1992Article
- Sympathetic autonomic dysfunction. Programmed subcutaneous noradrenaline administration via microdosing pump.Klinische Wochenschrift · 1991Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
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Abstract
Levels of free plasma catecholamines were simultaneously determined in 10 cyclists using capillary blood from one ear lobe and venous blood from one cubital vein. Catecholamine concentrations were higher in the ear lobe blood than in the venous blood at rest and during graded exercise. Average differences amounted to 1.7 nmol X 1(-1) (dopamine), 2.1 nmol X 1(-1) (noradrenaline) and 1.9 nmol X 1(-1) (adrenaline) at rest and increased only to 8.8 nmol X 1(-1) for noradrenaline during exercise. We assume that higher concentrations of dopamine and adrenaline in the capillary blood point to a significant neuronal release of these catecholamines, similar to noradrenaline. Catecholamine concentrations in capillary blood may better reflect sympathetic drive and delivery of catecholamines to the circulation than the concentrations in venous blood.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.