An Estimate of Plasma Volume Changes Following Moderate-High Intensity Running and Cycling Exercise and Adrenaline Infusion
Copyright © 2022 Bjerre-Bastos, Sejersen, Bihlet, Secher, Mackey, Kitchen, Drobinski, Thudium and Nielsen..
Introduction: Plasma volume (PV) changes in response to physical activity, possibly as a consequence of adrenergic activation. We estimated changes in PV in response to common exercise modalities; cycling and running as well as adrenaline infusion and control at rest. Methods: On separate days, forty circulatory healthy subjects [aged 60 years (range: 42-75)] with knee osteoarthritis underwent moderate-high intensity cycling, running, and intravenous adrenaline infusion to mimic the circulatory response to exercise. Blood samples were obtained from peripheral veins taken at several pre-defined time points before, during, and after the interventions. PV changes were estimated using venous hemoglobin and the derived hematocrit. The temporal associations between PV and selected biomarkers were explored. Results: Changes in PV were observed during all four interventions, and the response to cycling and running was similar. Compared to rest, PV decreased by -14.3% (95% CI: -10.0 to -18.7) after cycling, -13.9% (95% CI: -10.9 to -17.0) after running, and -7.8% (95% CI: -4.2 to -11.5) after adrenaline infusion. Conclusion: PV decreased in response to moderate-high intensity running and cycling. Adrenaline infusion mimicked the PV change observed during exercise, suggesting a separate influence of autonomic control on blood volume homeostasis. In perspective, a temporal association between PV and biomarker dynamics suggests that consideration of PV changes could be relevant when reporting plasma/serum constituents measured during exercise, but more research is needed to confirm this.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
Frontiers in physiology - 13(2022) vom: 09., Seite 948087 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bjerre-Bastos, Jonathan J [VerfasserIn] |
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| Links: |
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| Themen: |
Adrenaline |
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| Anmerkungen: |
Date Revised 09.08.2022 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3389/fphys.2022.948087 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM344563553 |
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| 245 | 1 | 3 | |a An Estimate of Plasma Volume Changes Following Moderate-High Intensity Running and Cycling Exercise and Adrenaline Infusion |
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| 520 | |a Copyright © 2022 Bjerre-Bastos, Sejersen, Bihlet, Secher, Mackey, Kitchen, Drobinski, Thudium and Nielsen. | ||
| 520 | |a Introduction: Plasma volume (PV) changes in response to physical activity, possibly as a consequence of adrenergic activation. We estimated changes in PV in response to common exercise modalities; cycling and running as well as adrenaline infusion and control at rest. Methods: On separate days, forty circulatory healthy subjects [aged 60 years (range: 42-75)] with knee osteoarthritis underwent moderate-high intensity cycling, running, and intravenous adrenaline infusion to mimic the circulatory response to exercise. Blood samples were obtained from peripheral veins taken at several pre-defined time points before, during, and after the interventions. PV changes were estimated using venous hemoglobin and the derived hematocrit. The temporal associations between PV and selected biomarkers were explored. Results: Changes in PV were observed during all four interventions, and the response to cycling and running was similar. Compared to rest, PV decreased by -14.3% (95% CI: -10.0 to -18.7) after cycling, -13.9% (95% CI: -10.9 to -17.0) after running, and -7.8% (95% CI: -4.2 to -11.5) after adrenaline infusion. Conclusion: PV decreased in response to moderate-high intensity running and cycling. Adrenaline infusion mimicked the PV change observed during exercise, suggesting a separate influence of autonomic control on blood volume homeostasis. In perspective, a temporal association between PV and biomarker dynamics suggests that consideration of PV changes could be relevant when reporting plasma/serum constituents measured during exercise, but more research is needed to confirm this | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a biomarkers | |
| 650 | 4 | |a cycling | |
| 650 | 4 | |a exercise | |
| 650 | 4 | |a plasma volume change | |
| 650 | 4 | |a running | |
| 700 | 1 | |a Sejersen, Casper |e verfasserin |4 aut | |
| 700 | 1 | |a Bihlet, Asger R |e verfasserin |4 aut | |
| 700 | 1 | |a Secher, Niels H |e verfasserin |4 aut | |
| 700 | 1 | |a Mackey, Abigail L |e verfasserin |4 aut | |
| 700 | 1 | |a Kitchen, Carl-Christian |e verfasserin |4 aut | |
| 700 | 1 | |a Drobinski, Patryk |e verfasserin |4 aut | |
| 700 | 1 | |a Thudium, Christian S |e verfasserin |4 aut | |
| 700 | 1 | |a Nielsen, Henning Bay |e verfasserin |4 aut | |
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