Mirenayat Maryam Sadat, Moradkhani Azadeh, Abedi Mohsen, Abedini Atefeh, Zahiri Reyhaneh, Karimzadeh Saba, Fakharian Atefeh
Chronic Respiratory Diseases Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Physiotherapy Research Center, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Tanaffos. 2022 Apr;21(4):466-471.
Inspiratory muscle training has been introduced as one of the effective methods in pulmonary rehabilitation, and attention to this technique in patients with COVID-19 is still being studied.
In the present study 52 patients who have undergone the period of the COVID-19 disease were randomly divided into two groups. In the control group, in addition to the routine treatment prescribed by a specialist physician, rehabilitation was performed by performing diaphragmatic breathing exercises, pursed-lips breathing, chest expansion, and simple stretching exercises. In the intervention group in addition to the rehabilitation program provided to the control group, patients used an inspiratory muscle training device. This pulmonary rehabilitation program was performed twice a day and 30 repetitions each time with a two-minute rest after every 10 exercises. After 4 weeks, patients in both groups were referred to the hospital for reassessment of the distance of the 6-minute walk test, SF-12 questionnaire results, dyspnea, and S-index. To compare quantitative variables between the two groups we utilized a student t-test. Type one error was put at P≤0.05.
The comparison of 6MWT values shows that the mean of this index in the intervention group is significantly higher than the control group (p = 0.002). Also, the S-index of the two groups showed a significant difference (p=0.024). Results show a significant increase in the SF-12 quality of life questionnaire in patients using IMT (p=0.001).
IMT improves pulmonary functions, 6MWT, and SF-12 Questionnaire in recovered COVID-19 patients.
吸气肌训练已被引入作为肺康复的有效方法之一，对新冠肺炎患者的这项技术的关注仍在研究中。
在本研究中，52例经历过新冠肺炎病程的患者被随机分为两组。对照组除专科医生规定的常规治疗外，通过进行膈肌呼吸练习、缩唇呼吸、扩胸和简单伸展运动来进行康复训练。干预组除了接受与对照组相同的康复计划外，患者还使用吸气肌训练设备。该肺康复计划每天进行两次，每次30次重复，每10次练习后休息两分钟。4周后，两组患者均被送往医院重新评估6分钟步行试验的距离、SF-12问卷结果、呼吸困难和S指数。为比较两组之间的定量变量，我们采用了学生t检验。将一类错误设定为P≤0.05。
6分钟步行试验值的比较表明，干预组该指标的平均值显著高于对照组（p = 0.002）。此外，两组的S指数也显示出显著差异（p = 0.024）。结果显示，使用吸气肌训练的患者在SF-12生活质量问卷上有显著提高（p = 0.001）。
吸气肌训练可改善康复后的新冠肺炎患者的肺功能、6分钟步行试验结果和SF-12问卷结果。
