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目的 :探讨低体重性营养不良对儿童心功能的影响。方法 :将 2 79名男生按身高标准体重法分为低体重和体重正常两组 ,进行安静心率和PWC1 70 负荷做功后心率的比较。结果 :低体重组儿童除安静心率外 ,两次负荷后即刻心率及恢复期心率均显著高于体重正常组儿童 (P <0 .0 0 1 )。结论 :低体重儿童心血管潜能降低 ,与正常儿童相比必须以较高的心率才能完成相同的负荷做功
Objective: To investigate the effect of hypoplasia on cardiac function in children. Methods: A total of 2 79 boys were divided into two groups according to the standard height weight: low body weight and normal body weight. The heart rate was compared between resting heart rate and PWC1 70 load. Results: The heart rate and convalescent heart rate of children with low body weight were significantly higher than those of normal weight group (P <0. 001) except resting heart rate. Conclusions: The cardiovascular potential of children with low birth weight is reduced, and the same load work must be done with a higher heart rate than normal children