A comparison of blood gases and acid-base measurements in arterial, arterialized venous, and venous blood during short-term maximal exercise

European Journal of Applied Physiology and Occupational Physiology
J LindermanL Kirk

Abstract

The purpose of this study was to determine the relationship between blood gases and acid-base measurements in arterial, arterialized venous, and venous blood measured simultaneously during short-term maximal exercise. Ten well-trained male cyclists performed a graded maximal exercise test on a cycle ergometer to determine the power output corresponding to their peak oxygen consumption (test I), and a short-term maximal test on a cycle ergometer at peak power output (test II). During test II arterial, arterialized venous and venous blood were sampled simultaneously for determination of partial pressures of oxygen and carbon dioxide, pH, bicarbonate (HCO3-), base excess (BE), and lactate (La). Samples were taken at rest, the end of 1 min of exercise (1 ME), at the end of exercise (EE), and at 2 min of recovery (REC). During test II, subjects maintained a peak power output of 370.6 (62.1) W [mean (SD)] for 4.5, SD 1.6 min. Except at rest venous and arterialized venous measurements tended to be the same at all sampling intervals, but differed significantly from measurements in arterial blood (P less than 0.05). BE was the only variable that rendered consistently significant correlations between arterial and arterialized venous bloo...Continue Reading

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Citations

Jan 1, 1995·European Journal of Applied Physiology and Occupational Physiology·W SchuetzM Georgieff
Dec 3, 2003·Indian Journal of Pediatrics·Chellam KirubakaranE Kalaranjini Sundaravalli
Jun 5, 2013·Respiratory Physiology & Neurobiology·Carly A HollierJennifer A Alison
Nov 15, 2011·Respiratory Physiology & Neurobiology·Andrew E BeaudinMatthew D White
Jun 14, 2003·The Veterinary Record·M SherlockM L Doherty
Jan 29, 2005·The Veterinary Record·I TaşalF Gülyüz
Jun 5, 2021·Respiratory Physiology & Neurobiology·Dimitrios I Bourdas, Nickos D Geladas

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