全身振动训练对慢性阻塞性肺疾病患者动脉硬度的急性影响

Acute effects of whole-body vibration training on arterial stiffness in patients with chronic obstructive pulmonary disease

目的:初步探索全身振动(WBV)对COPD患者动脉硬度的急性影响。方法:18例COPD患者按随机顺序进行3次随机交叉对照试验:非运动对照试验(CON)、静蹲(SS)试验和全身振动试验(WBVT),SS试验要求患者以屈膝45°半蹲位维持2min×4组,间歇2min作为运动试验方案,WBVT要求患者在全身振动设备上维持半蹲位的同时,加以26Hz的振动干预。分别于运动前(BL)、运动后即刻(AF)和运动后40min测定心-踝血管指数(CAVI)。结果:CON和SS试验CAVI没有随着时间的推移而发生显著的变化。WBV试验CAVI值运动后即刻降低,随后恢复,至40min时较基线水平仍有显著性差异(BL、AF和40min分别为10.00±2.10、9.01±1.97、9.51±1.97)。运动试验后HR、RR、Borg评分均立即升高,差异出现在AF时间点,在40min时恢复至基线状态。两种运动试验后RBS和RDS没有显著改变。两种运动试验后均未使SPO2产生明显变化。CON试验中各项数值均无显著性变化。结论:WBV作为COPD患者的辅助运动训练形式,对改善COPD心血管系统状态的价值尚待探索。

Objective:To investigate the acute effects of WBV on arterial stiffness in patients with COPD.Method:A total of 18 patients with COPD were randomly divided into three randomized crossover trials:nonexercise control test(CON),semi-squatting(SS)test and whole body vibration test(WBVT).In SS test,patients were required to keep a semi-squatting position with the knees at 45°(2min×4),each with an intermittent of 2min.In WBVT test,patients were required to maintain a semi-squatting position on whole body vibration equipment with 26Hz vibration intervention.The cardio-ankle vascular index(CAVI)was measured before exercise(BL),immediately after exercise(AF)and 40min after exercise.Result:The CAVI of CON and SS test did not change significantly as time goes by.In the WBVT test,the CAVI value decreased immediately after exercise,and then recovered gradually.Till 40 min,evident difference still can be found when compared with the basal level(10.00±2.10,9.01±1.97,9.51±1.97 at BL,AF and 40min respectively).Conclusion:As a form of auxiliary exercise training for patients with COPD,the value of WBV in improving the cardiovascular system of COPD is worthy of further research.