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目的探讨中青年冠心病患者平板运动前后血流动力学指标的变化情况,分析其价值。方法选取32例中青年冠心病患者作为观察组,另选32例正常中青年作为对照组。观测记录所有受试者平板运动前后收缩压(SBP)、舒张压(DBP)、脉压(PP)、平均动脉压(MAP)、中心动脉收缩压(c SBP)、反射波增强指数(AI)等血流动力学指标,并比较两组运动前后各项指标变化幅度之间的差异。结果两组运动前后SBP、DBP、PP、MAP、c SBP、AI比较差异无统计学意义(P>0.05)。观察组运动前后MAP、c SBP的变化幅度分别为(6.2±3.4)mm Hg(1 mm Hg=0.133 k Pa)、(10.8±6.5)mm Hg,明显大于对照组的(4.0±2.9)mm Hg、(6.2±4.1)mm Hg,观察组运动前后AI变化幅度为(-8.7±3.6)%,明显小于对照组的(-11.2±4.8)%,差异有统计学意义(P<0.05);两组其他指标运动前后变化幅度比较差异无统计学意义(P>0.05)。结论平板运动前后MAP、c SBP的变化幅度可以作为中青年人群是否患有冠心病的预测指标;AI与中青年冠心病患者运动后的冠脉血流灌注密切相关,可以作为中青年冠心病患者康复运动治疗的监测指标。
Objective To investigate the changes of hemodynamics before and after treadmill exercise in young and middle-aged patients with coronary heart disease and analyze its value. Methods 32 cases of young and middle-aged patients with coronary heart disease as the observation group, another 32 normal middle-aged as a control group. The SBP, DBP, PP, MAP, c SBP and AI of all subjects were recorded and recorded before and after exercise. And other hemodynamic indicators, and compared the changes between the two groups before and after the index changes in the magnitude of the difference. Results There was no significant difference in SBP, DBP, PP, MAP, c SBP and AI between the two groups before and after exercise (P> 0.05). The changes of MAP and c SBP in the observation group before and after exercise were (6.2 ± 3.4) mm Hg (1 mm Hg = 0.133 kPa) and (10.8 ± 6.5) mm Hg, respectively, which were significantly higher than those in the control group (4.0 ± 2.9 mm Hg , (6.2 ± 4.1) mm Hg respectively. The changes of AI in the observation group before and after exercise were (-8.7 ± 3.6)%, which were significantly lower than those in the control group (-11.2 ± 4.8)%, with statistical significance (P <0.05) There were no significant differences in the changes of other indexes between before and after exercise (P> 0.05). Conclusion The changes of MAP and c SBP before and after treadmill exercise can be used as predictors of coronary heart disease in young and middle-aged people. AI is closely related to coronary perfusion after exercise in young and middle-aged patients with coronary artery disease, Rehabilitation exercise monitoring indicators.