JAHA:外周动脉疾病患者感知与客观的步行能力变化

2021-06-03 MedSci原创 MedSci原创

运动显著改善了外周动脉疾病患者6分钟步行距离,但许多随机分配至运动组的参与者报告步行能力没有变化或下降。这些结果表明,相对于外周动脉疾病患者感知的步行改善,客观测量的步行改善水平与其存在显著差异。

在下肢外周动脉疾病患者中,运动对患者报告结局的影响尚未明确。

近日,血管疾病领域权威杂志JAHA上发表了一篇研究文章,来自于三项临床试验中的404 名外周动脉疾病患者被随机分为运动组(N=205)或对照组( N=199),并在基线和 6 个月的随访中完成了6分钟步行和步行障碍问卷距离评分(得分为0-100,100=最佳)。

与对照组相比,运动使患者6分钟步行距离提高了39.8 m(95%CI为26.8-52.8,P<0.001),步行障碍问卷距离评分提高了7.3分(95%CI为2.4-12.1,P=0.003)。在基线和随访中,总共有2828名受试者完成了步行障碍问卷距离评分。

两组6分钟步行距离比较

在基线和随访之间自我感知步行1m或更长距离的能力没有变化的参与者中,6 分钟步行在运动组中有所改善,而在对照组中有所下降(+26.8 vs. -6.5 m,P<0.001)。在基线和随访之间自我感知步行1m或更长距离的能力下降的参与者中,6 分钟步行在运动组中有所改善,而在对照组中有所下降(+18.4 vs. -27.3 m,P<0.001)。在随访时报告小腿症状恶化的参与者中,运动组有所改善,而对照组下降(+28.9 vs. -12.5 m,P<0.01)。

由此可见,运动显著改善了外周动脉疾病患者6分钟步行距离,但许多随机分配至运动组的参与者报告步行能力没有变化或下降。这些结果表明,相对于外周动脉疾病患者感知的步行改善,客观测量的步行改善水平与其存在显著差异

原始出处:

Mary M. McDermott.et al.Perceived Versus Objective Change in Walking Ability in Peripheral Artery Disease: Results from 3 Randomized Clinical Trials of Exercise Therapy.J AM HEART ASSOC.2021.https://www.ahajournals.org/doi/full/10.1161/JAHA.120.017609

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    2021-10-02 yuanming15
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    2021-06-04 zhaohui6731
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