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本文对瑞典10名耐力运动员(耐力组,长跑7人,游泳3人),10名举重运动员(力量组)及10名健康无训练者(对照组)进行了心脏电影磁共振图像与最大吸氧量的测试。结果表明:1)从左室舒末容量、左室编末容量、心搏量、左室心肌重量、最大吸氧量、最大通气量等指标来看,无论是其绝对实测值,还是其按体表面积或体重校正计算的相对值,耐力组均非常显著地大于其它二组。力量组除了左室心肌重量及左室心肌重量/左室舒末容量比值略有增高外(P<0.05),其余各指标与对照组比较均无显著性差异。2)左室舒末容量、心搏量、左室心肌重量及最大通气量四指标均与最大吸氧量呈高度正相关关系,相关系数依次为0.88,0.85,0.81,0.76,各相关系数均有高度显著性(P<0.001)。3)本文各组的左室心肌重量的电影磁共振图像测定值低于以往多数类似研究对象的超声心动图测定值。文章指出,电影磁共振图像技术是评定左室心肌重量与左室容量十分准确可靠的无创性检查新方法。本文首先报道了运动员心脏电影磁共振部分指标正常测量值。
In this paper, we compared the magnetic resonance imaging of cardiac endocardium and maximal oxygen in 10 endurance athletes (endurance group, 7 long-distance runners, 3 swimmers), 10 weightlifters (power group) and 10 healthy non-trainers (control group) The amount of testing. The results showed that: 1) From left ventricular end-diastolic volume, left ventricular end-organ volume, stroke volume, left ventricular myocardial weight, maximum oxygen uptake, maximum ventilation and other indicators, whether it is its absolute measured value, Body surface area or body weight correction calculated relative value, endurance group were significantly greater than the other two groups. In addition to the left ventricular myocardial mass and left ventricular myocardial weight / left ventricular end-diastolic volume ratio increased slightly (P <0.05), the rest of the indicators compared with the control group no significant difference. The left ventricular end-diastolic volume, stroke volume, left ventricular myocardial mass and maximum ventilation were all positively correlated with maximum oxygen uptake, the correlation coefficients were 0.88,0.85,0.81,0.76, and the correlation coefficients were Highly significant (P <0.001). 3) The measured values of left ventricular myocardial mass in all the groups in this study were lower than the echocardiographic values of most of the previous researches. The article pointed out that the film magnetic resonance imaging technology is to assess the left ventricular mass and left ventricular volume is very accurate and reliable noninvasive detection of new methods. This article first reports the normal measurement of the magnetic resonance part of the heart of athletes.