摘要
目的：观察吸氧对大强度运动后红细胞形态、血液流变特性变化的影响。方法：７名男子采用功率自行车进行递增负荷运动，并在安静时，运动后３、１５、３０分钟测定全血粘度（ＢＶ）、血浆粘度（ＰＶ）、血细胞集聚指数（ＲＣＡ）、红细胞变形指数（ＴＫ）、红细胞压积（Ｈｃｔ）及红细胞形态等指标。同时比较各指标在恢复期吸氧与吸空气条件下的变化。结果：（１）在安静时吸氧与吸空气条件下，血流变各指标相比较无显著性差异；运动后３、１５、３０分钟，吸空气条件下血流变指标ＰＶ、ＲＣＡ、ＴＫ、Ｈｃｔ及第１５分钟心率（ＨＲ）明显高于吸氧条件。（２）运动后３、１５、３０分钟，吸空气条件下红细胞形态与吸氧相比较明显不同；吸氧条件下第３０分钟变形的红细胞已恢复到安静时形态。以上结果表明，运动后恢复期吸７０％Ｏ２，能够加快血流变各指标、红细胞形态的恢复，可能是运动后疲劳消除的重要方法之一。
To observe the effects of inhalation of oxygen on the morphology of erythrocyte and blood fluidity after incremental exercise to exhaustion, blood viscosity (BV), plasma viscosity (PV), red cell aggregation (RCA), red cell deformability (TK), hematocrit (Hct) were obtained at rest, 3, 15, 30 mm after exercise on a cycle ergometer in seven men. The parameters were compared between groups with and without inhaling 70% 02. The results were as follow: (1) all indexes of blood fluidity at rest were not different significantly between two groups, but PV, RCA, TK, Hct 15, 30 mm after exercise and HR at 15 mm after exercise were significantly higher in group without inhaling 02 than that in group with inhaling 70% 02. (2) Morphology of erythrocyte were changed significantly 3, 15, 30 mm after exercise in group without inhaling 02, however, in group with inhaling 70%02 changes in erythrocytes have been recovered 30 mm after exercise. It is concluded that the inhalation of 70% 02 could speed up the recovery process of all indexes of blood fluidity and erythrocyte after exercise which would be one of important mechanisms for removal of exercise-induced fatigue.
出处
《中国运动医学杂志》
CAS
CSCD
北大核心
2002年第1期37-40,共4页
Chinese Journal of Sports Medicine
关键词
吸氧
红细胞形态
血液液变性
血乳酸消除
inhalation of oxygen, erythrocyte, blood fluidity, blood lactate removal
