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Updated: May 27, 2026

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
Reduced hypoxia risk in a systemic sclerosis patient with interstitial lung disease after long-term pulmonary
Naoki Mugii1, Fujiko Someya, Minoru Hasegawa
1Division of Rehabilitation, Kanazawa University Hospital, Takaramachi, Kanazawa, Japan.
Abstract:
Pulmonary rehabilitation is effective for improving exercise capacity in patients with interstitial lung disease (ILD), and most programs last about 8 weeks. A 43-year-old male patient with systemic sclerosis and oxygen saturation (SpO(2)) declining because of severe ILD was hospitalized for treatment of chronic skin ulcers. During admission, he completed a 27-week walking exercise program with SpO(2) monitoring. Consequently, continuous walking distance without severe hypoxia (SpO(2) > 90%) increased from 60 m to 300 m after the program, although his six-minute walking distance remained the same. This suggests that walking exercise for several months may reduce the risk of hypoxia in patients with ILD, even though exercise capacity does not improve.
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