長距離選手における血液粘度と血液諸物質との関係

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We investigated the relationships among blood viscosity, blood cells, and substances in student long distance runners, who have trained in distance running for 7-11yers, to clarify the background of decreased viscosity occurring by prolonged endurance training, and the following results were obtained: There were significantly high relationships among blood viscosity and Hct, RBC, and Hb (r=0.75, r=0.60, r=0.79, respectively p<0.05). Decrease of blood viscosity with prolonged endurance training in distance runners was mainly depended on decreased RBC. The relationship between blood viscosity and WBC was weak, but positively significant (r=0.35, p<0.05). The number and function of WBC influenced the viscosity. Despite the numbers of platelets, the relationship between platelets and blood viscosity was extremely weak, but positively significant (r=0.25, p<0.05). Then, functional role of the platelets influenced blood viscosity and decrease of blood viscosity occurred with the decrease of platelets with endurance training. In addition, there were significantly negative relationships among blood viscosity, MCV, and MCH (r=-0.25, r=0.36, respectively p<0.05). Decreased blood viscosity with the decrease of RBC compensatively caused intrinsic changes in MCV and MCH. There were negative and positive relationships among blood viscosity, serum HDL and Fe (r=0.25, r=0.28, respectively, p<0.05), but among blood viscosity, other metabolic substances and enzymes. These results mean that LCAT activity and hemoglobin synthesis related to RBC occur together with the decrease of blood viscosity induced by endurance training. Therefore, decreased blood viscosity with endurance training is not only dependent on the decrease of RBC, but also on various factors related to RBC metabolism induced by endurance training for a prolonged period.
東海大学の論文
2006-03-31

長距離選手における血液粘度と血液諸物質との関係

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