In the present research we have examined platelet counts (PC) and indices, mean platelet volume (MPV) and platelet dimensional width (PDW)I in a group of professional cyclists engaged in the international races during a period of two months May - July 1990.Contrary to what has been observed after short-duration exercises, in our athletes engaged in a strenuous, prolonged activity, the PC failed to rise. However the shift in platelet volume distribution would suggest an exercise-induced release of small platelets into blood circulation. In aggreement with previous investigations, on other athletes (runners) we can conclude that, also during cycling races, a significant change in circulating platelets would be present, probably due to platelet release from those seats of pooling such as spleen or lungs. According to earlier reports we may infer that during physical efforts an increased megakaryocyte fragmentation in lungs due to the enhanced circulation velocity would induce small platelet release into circulation

Platelet count, mean platelet volume, and platelet dimensional width in professional cylists during races

RICCI, Giorgio;MAZZONI, Gianni;GRAZZI, Giovanni;CASONI, Ilario
1991

Abstract

In the present research we have examined platelet counts (PC) and indices, mean platelet volume (MPV) and platelet dimensional width (PDW)I in a group of professional cyclists engaged in the international races during a period of two months May - July 1990.Contrary to what has been observed after short-duration exercises, in our athletes engaged in a strenuous, prolonged activity, the PC failed to rise. However the shift in platelet volume distribution would suggest an exercise-induced release of small platelets into blood circulation. In aggreement with previous investigations, on other athletes (runners) we can conclude that, also during cycling races, a significant change in circulating platelets would be present, probably due to platelet release from those seats of pooling such as spleen or lungs. According to earlier reports we may infer that during physical efforts an increased megakaryocyte fragmentation in lungs due to the enhanced circulation velocity would induce small platelet release into circulation
1991
Ricci, Giorgio; Masotti, M; Mazzoni, Gianni; Grazzi, Giovanni; Casoni, Ilario
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1684596
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