Analysis of nocturnal desaturation waveforms using algorithms in patients with idiopathic pulmonary fibrosis
Purpose Sleep-disordered breathing is recognized as a comorbidity in patients with idiopathic pulmonary fibrosis (IPF). Among them, nocturnal hypoxemia has been reported to be associated with poor prognosis and disease progression. We developed a diagnostic algorithm to classify nocturnal desaturation from percutaneous oxygen saturation ($ SpO_{2} $) waveform patterns: sustained pattern, periodic pattern, and intermittent pattern. We then investigated the prevalence of nocturnal desaturation and the association between the waveform patterns of nocturnal desaturation and clinical findings of patients with IPF. Methods We prospectively enrolled patients with IPF from seven general hospitals between April 2017 and March 2020 and measured nocturnal $ SpO_{2} $ and nasal airflow by using a home sleep apnea test. An algorithm was used to classify the types of nocturnal desaturation. We evaluated the association between sleep or clinical parameters and each waveform pattern of nocturnal desaturation. Results Among 60 patients (47 men) who met the eligibility criteria, there were 3 cases with the sustained pattern, 49 cases with the periodic pattern, and 41 cases with the intermittent pattern. Lowest $ SpO_{2} $ during sleep and total sleep time spent with $ SpO_{2} $ < 90% were associated with the sustained pattern, and apnea–hypopnea index was associated with the intermittent pattern. Conclusion We demonstrated the prevalence of each waveform and association between each waveform and sleep parameters in patients with IPF. This classification algorithm may be useful to predict the degree of hypoxemia or the complication of obstructive sleep apnea..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:26 |
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| Enthalten in: |
Sleep and breathing - 26(2021), 3 vom: 21. Aug., Seite 1079-1086 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yasuda, Yuichiro [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| Themen: |
Home sleep apnea test |
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| Anmerkungen: |
© The Author(s) 2021 |
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| doi: |
10.1007/s11325-021-02456-3 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
SPR047959568 |
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| 520 | |a Purpose Sleep-disordered breathing is recognized as a comorbidity in patients with idiopathic pulmonary fibrosis (IPF). Among them, nocturnal hypoxemia has been reported to be associated with poor prognosis and disease progression. We developed a diagnostic algorithm to classify nocturnal desaturation from percutaneous oxygen saturation ($ SpO_{2} $) waveform patterns: sustained pattern, periodic pattern, and intermittent pattern. We then investigated the prevalence of nocturnal desaturation and the association between the waveform patterns of nocturnal desaturation and clinical findings of patients with IPF. Methods We prospectively enrolled patients with IPF from seven general hospitals between April 2017 and March 2020 and measured nocturnal $ SpO_{2} $ and nasal airflow by using a home sleep apnea test. An algorithm was used to classify the types of nocturnal desaturation. We evaluated the association between sleep or clinical parameters and each waveform pattern of nocturnal desaturation. Results Among 60 patients (47 men) who met the eligibility criteria, there were 3 cases with the sustained pattern, 49 cases with the periodic pattern, and 41 cases with the intermittent pattern. Lowest $ SpO_{2} $ during sleep and total sleep time spent with $ SpO_{2} $ < 90% were associated with the sustained pattern, and apnea–hypopnea index was associated with the intermittent pattern. Conclusion We demonstrated the prevalence of each waveform and association between each waveform and sleep parameters in patients with IPF. This classification algorithm may be useful to predict the degree of hypoxemia or the complication of obstructive sleep apnea. | ||
| 650 | 4 | |a Home sleep apnea test |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Idiopathic pulmonary fibrosis |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Nocturnal hypoxemia |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Percutaneous oxygen saturation |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Nagano, Tatsuya |0 (orcid)0000-0003-0790-5139 |4 aut | |
| 700 | 1 | |a Izumi, Shintaro |4 aut | |
| 700 | 1 | |a Yasuda, Mina |4 aut | |
| 700 | 1 | |a Tsuruno, Kosuke |4 aut | |
| 700 | 1 | |a Tobino, Kazunori |4 aut | |
| 700 | 1 | |a Nakata, Kyosuke |4 aut | |
| 700 | 1 | |a Okamura, Kayoko |4 aut | |
| 700 | 1 | |a Nishiuma, Teruaki |4 aut | |
| 700 | 1 | |a Takatsuki, Kiyonobu |4 aut | |
| 700 | 1 | |a Funada, Yasuhiro |4 aut | |
| 700 | 1 | |a Ohnishi, Hisashi |4 aut | |
| 700 | 1 | |a Yamamoto, Masatsugu |4 aut | |
| 700 | 1 | |a Nishimura, Yoshihiro |4 aut | |
| 700 | 1 | |a Kobayashi, Kazuyuki |4 aut | |
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