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目的对导致持续非卧床腹膜透析(CAPD)患者运动能力减退的影响因素进行路径分析。方法采用6 min步行试验(6MWT)、30 s起试验(CST)、自我管理量表和医院焦虑抑郁量表(HADS)对168例CAPD患者进行测评,分析影响CAPD患者运动能力减退的独立危险因素。采用Amos7.0软件进行路径分析。结果 CAPD患者6MWD中位数为421(345,478)m。Logistic回归分析示,下肢肌力、自我管理水平和抑郁是CAPD患者运动能力减退的独立危险因素。下肢肌力和自我管理水平对运动能力有直接正效应,也是抑郁对运动能力产生间接负效应的中介变量。结论 CAPD患者运动能力中等,其受到下肢肌力、自我管理水平和抑郁的直接、间接影响。护士可从各环节制定干预措施,以改善其运动能力状况。
Objective To analyze the influencing factors of exercise capacity decline in patients with continuous ambulatory peritoneal dialysis (CAPD). Methods Sixty-six patients with CAPD were evaluated by 6-minute walking test (6MWT), 30-second test (CST), self-management scale and hospital anxiety and depression scale (HADS), and the independent risk factors affecting exercise capacity decline were analyzed . Amos7.0 software for path analysis. Results The median 6MWD of patients with CAPD was 421 (345,478) m. Logistic regression analysis showed that muscle strength, self-management and depression in lower limbs were independent risk factors for decreased exercise capacity in CAPD patients. Lower extremity muscle strength and self-management level has a direct positive effect on motor ability, but also an indirect negative effect of depression on motor ability intermediate variable. Conclusions CAPD patients have moderate exercise capacity and are directly and indirectly affected by lower limb muscle strength, self-management and depression. Nurses can formulate interventions at all levels to improve their performance status.