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BACKGROUND: The coronavirus disease (COVID-19) pandemic led to the implementation of wearing face masks and social distancing in stroke rehabilitation to prevent airborne transmission and contain the virus. The use of masks causes hypoxia and dyspnea in patients with stroke, predisposing them to other harmful medical conditions. Despite the clinical importance of the potential risk of wearing masks during robotic stroke rehabilitation, no clinical evidence is available in the literature. OBJECTIVE: To examine the effects of stroke robotic rehabilitation with and without using a face mask on cardiopulmonary fatigue, muscle fatigue, O2 saturation, pulse, blood pressure (BP), and temperature in healthy adults and patients with hemiparetic stroke. METHOD: A total of 30 participants, comprising 20 males and 10 females, were enrolled in a case-control study and a cross-sectional randomized controlled trial conducted at the Center for Rehabilitation Hospital. The study population included 15 individuals with hemiparetic stroke (mean age: 57.26±8.69) and 15 healthy adult controls (mean age: 30.20±9.86). All participants underwent a 30-minute familiarization session, followed by experimental masked and unmasked robotic interactive gait training (RIGT) for at least 30 minutes. Clinical tests included the Borg Rating of Perceived Exertion, muscle fatigue via surface electromyography, O2 saturation, pulse, BP, and temperature. RESULTS: An analysis of covariance showed that compared to RIGT without a mask, RIGT with a mask showed adverse effects on BRPE, O2 saturation, and right rectus femoris muscle fatigue (P < 0.05) in the control and experimental groups. CONCLUSION: The clinical study revealed that compared to RIGT without a mask, RIGT with a mask affected cardiopulmonary fatigue, muscle fatigue, O2 saturation, pulse, and BP in healthy adults and participants with hemiparetic stroke.
Kwon et al. (Fri,) studied this question.