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Digitale Medien

Effect of prolonged physical exercise on fluid regulating hormones (1990)

Altenkirch, H. U. ; Gerzer, R. ; Kirsch, K. A. ; [weitere]

Springer

European journal of applied physiology 61 (1990), S. 209-213

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Details

ISSN: 1439-6327

Schlagwort(e): Prolonged physical exercise ; Atrial natriuretic peptide ; 3′-5′-guanosine monophosphate ; Vasopressin ; Renin ; Aldosterone

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Summary Sixteen well-trained young men performed a test marathon to study the behaviour of atrial natriuretic peptide (ANP) and its second messenger cyclic guanosine monophosphate (cGMP) in relation to changes in plasma volume (PV) and plasma proteins, arginine vasopressin (AVP), renin, aldosterone, potassium and sodium. Blood samples were drawn under standardized conditions before and immediately after the run, as well as 3 h and 31 h after the run. Directly after the run, a two-and-a-half fold increase of plasma ANP and a twofold increase of plasma cGMP level were found, whereas PV decreased significantly by 7.4%. At this time renin-, aldosterone- and AVP-secretion were much stimulated. Thirty-one hours after the run, PV was markedly greater (10%) than before the race, whereas plasma proteins had returned to pre-exercise values. The ANP and cGMP were not significantly altered compared to the pre-race values. We have concluded that ANP and the other volume-regulating hormones may play an important role during and immediately after prolonged physical exercise but not in the longer recovery period. It seems that an influx of plasma proteins into the vascular space is responsible for the increased PV at this time.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00357601

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