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KMID : 1035420220100010149
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Journal of The Korean Society of Integrative Medicine
2022 Volume.10 No. 1 p.149 ~ p.155
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Effect of Mask Filter on Respiratory Function in Chronic Stroke Patients
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Lee Yun-Hee
Kum Dong-Min
Shin Won-Seob
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Abstract
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Purpose : This study investigated the effects of wearing a mask and different mask filters on the respiratory function of stroke patients.
Methods : A total of 15 stroke patients were selected according to the inclusion and exclusion criteria. The respiratory functions were compared between participants with and without masks and among respiratory functions with three different mask filters. The order of using masks was non-wearing masks, Dental masks, KF80 masks, and KF94 masks; the difference in respiratory volumes among these conditions were measured. For accuracy of the measurement, sufficient education on the respiratory measurement method was provided to the researcher, and the heart rate of the participants was estimated to confirm their stability before the measurements. To ensure accuracy, the subjects were educated on the researchers' respiratory measurement methods. Each measurement was followed by 10 min breathing stability before replacing the next mask.
Results : The results of this study showed that the difference in respiratory functions, including forced vital capacity (FVC), forced expiratory volume in the first second (FEV1), and maximal voluntary ventilation (MVV), in stroke patients was statistically significant among different masks (p<.05). Afterwards, the values of FVC, FEV1, and MVV in stroke patients wearing masks were significantly lower than those of the non-masked control group (p<.05). The difference in respiratory functions with different mask filters showed no statistical significance (p<.05).
Conclusion : This study showed that participants wearing any of the masks presented a lower respiratory function than
that of those without using masks; additionally, no difference in respiratory functions was observed with differences in mask filters. Therefore, wearing a mask for a prolonged period is confirmed to affect breathing in stroke patients with weak respiratory function.
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KEYWORD
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mask filter, respiration, stroke
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