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目的 探讨吸气训练对煤工尘肺患者肺功能的影响。方法 65例煤工尘肺患者随机分为训练组(33例)和对照组(32例),两组在平均年龄、尘肺分期、肺活量、自觉气短与气急的分级和日常生活能力分级间的差异均无统计学意义。训练组采用反馈式肺功能锻炼器进行4个月的吸气训练,每天2次,每次20min;对照组只接受肺功能康复宣教,并自行锻炼肺功能。观察两组患者的肺活量、自觉气短与气急分级以及日常生活能力的变化。结果 试验开始1个月后,两组间肺活量差异有统计学意义(P<0. 05 );试验结束时,两组间肺活量和自觉气短、气急分级差异均有统计学意义(P<0. 05),日常生活能力差异无统计学意义。结论 使用反馈式肺功能锻炼器进行吸气训练有助于维持煤工尘肺患者的吸气功能,减轻气短、气急症状。
Objective To investigate the effects of inhalation training on lung function in coal workers with pneumoconiosis. Methods Sixty-five patients with pneumoconiosis were randomly divided into training group (n = 33) and control group (n = 32). The differences in mean age, pneumoconiosis stage, vital capacity, spontaneous shortness of breath and anxiety grade and daily living ability grade No statistical significance. The training group used a feedback pulmonary function training device to perform 4-month inspiratory training twice a day for 20 minutes each time. The control group only received pulmonary functional rehabilitation education and exercised lung function by themselves. The vital capacity, spontaneous shortness of breath, urgency grading, and daily living ability of the two groups were observed. Results One month after the start of the trial, the difference in vital capacity between the two groups was statistically significant (P <0.05). At the end of the trial, there was significant difference in vital capacity, spontaneous shortness of breath and grade of acute air shortness between the two groups (P <0. 05), no significant difference in daily living ability. Conclusion The use of a feedback pulmonary exercise device for inspiratory training helps to maintain the inspiratory function of patients with pneumoconiosis and reduce the symptoms of shortness of breath and shortness of breath.