Influence of Impaired Diffusing Capacity and Sleep-disordered Breathing on Nocturnal Hypoxemia and Health Outcomes in Men with and without HIV
RATIONALE: Nocturnal hypoxemia is common in sleep-disordered breathing (SDB) and is associated with increased morbidity and mortality. Although impaired diffusing capacity of the lungs for carbon monoxide (DLCO) is associated with daytime hypoxemia, its influence on SDB-related nocturnal hypoxemia is not known.
OBJECTIVE: To characterize the effects of DLCO impairment on SDB-related nocturnal hypoxemia and associated health outcomes.
METHODS: Data from a multi-center cohort of men with and without HIV, with concomitant measures of DLCO and home-based polysomnography (N=544), were analyzed. Multivariable quantile regression models characterized associations between DLCO and several measures of SDB-related hypoxemia (e.g., total sleep time with oxygen saturation [SpO2]<90% [T90]). Structural equation models assessed associations between impaired DLCO and SDB-related hypoxemia measures with prevalent hypertension and type 2 diabetes.
RESULTS: DLCO impairment (<80% predicted) was associated with sleep-related hypoxemia. Participants with severe SDB (apnea-hypopnea index≥30 events/hr) and impaired DLCO had a higher T90 (median difference: 15.0%; [95% CI: 10.3,19.7]) and average SDB-related desaturation (median difference: 1.0; [0.5, 1.5]), and lower nadir SpO2 (median difference: -8.2%; [-11.4, -4.9]) and average SpO2 during sleep (median difference: -1.1%; [-2.1, -0.01]), than those with severe SDB and preserved DLCO. A higher T90 was associated with higher adjusted odds of prevalent hypertension (OR 1.39; [1.14,1.70]) and type 2 diabetes (OR 1.25; [1.07,1.46]).
CONCLUSIONS: DLCO impairment in severe SDB was associated with sleep-related hypoxemia, prevalent hypertension and type 2 diabetes. Assessment of SDB should be considered in those with impaired DLCO to guide testing and risk-stratification strategies.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Annals of the American Thoracic Society - (2024) vom: 18. März |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Raju, Sarath [VerfasserIn] |
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| Anmerkungen: |
Date Revised 18.03.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1513/AnnalsATS.202309-757OC |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369885147 |
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| 100 | 1 | |a Raju, Sarath |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Influence of Impaired Diffusing Capacity and Sleep-disordered Breathing on Nocturnal Hypoxemia and Health Outcomes in Men with and without HIV |
| 264 | 1 | |c 2024 | |
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| 500 | |a Date Revised 18.03.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status Publisher | ||
| 520 | |a RATIONALE: Nocturnal hypoxemia is common in sleep-disordered breathing (SDB) and is associated with increased morbidity and mortality. Although impaired diffusing capacity of the lungs for carbon monoxide (DLCO) is associated with daytime hypoxemia, its influence on SDB-related nocturnal hypoxemia is not known | ||
| 520 | |a OBJECTIVE: To characterize the effects of DLCO impairment on SDB-related nocturnal hypoxemia and associated health outcomes | ||
| 520 | |a METHODS: Data from a multi-center cohort of men with and without HIV, with concomitant measures of DLCO and home-based polysomnography (N=544), were analyzed. Multivariable quantile regression models characterized associations between DLCO and several measures of SDB-related hypoxemia (e.g., total sleep time with oxygen saturation [SpO2]<90% [T90]). Structural equation models assessed associations between impaired DLCO and SDB-related hypoxemia measures with prevalent hypertension and type 2 diabetes | ||
| 520 | |a RESULTS: DLCO impairment (<80% predicted) was associated with sleep-related hypoxemia. Participants with severe SDB (apnea-hypopnea index≥30 events/hr) and impaired DLCO had a higher T90 (median difference: 15.0%; [95% CI: 10.3,19.7]) and average SDB-related desaturation (median difference: 1.0; [0.5, 1.5]), and lower nadir SpO2 (median difference: -8.2%; [-11.4, -4.9]) and average SpO2 during sleep (median difference: -1.1%; [-2.1, -0.01]), than those with severe SDB and preserved DLCO. A higher T90 was associated with higher adjusted odds of prevalent hypertension (OR 1.39; [1.14,1.70]) and type 2 diabetes (OR 1.25; [1.07,1.46]) | ||
| 520 | |a CONCLUSIONS: DLCO impairment in severe SDB was associated with sleep-related hypoxemia, prevalent hypertension and type 2 diabetes. Assessment of SDB should be considered in those with impaired DLCO to guide testing and risk-stratification strategies | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Siddharthan, Trishul |e verfasserin |4 aut | |
| 700 | 1 | |a McCormack, Meredith C |e verfasserin |4 aut | |
| 700 | 1 | |a Patel, Sanjay R |e verfasserin |4 aut | |
| 700 | 1 | |a Kunisaki, Ken M |e verfasserin |4 aut | |
| 700 | 1 | |a D'Souza, Gypsamber |e verfasserin |4 aut | |
| 700 | 1 | |a Cho, Joshua Hyong-Jin |e verfasserin |4 aut | |
| 700 | 1 | |a Stosor, Valentina |e verfasserin |4 aut | |
| 700 | 1 | |a Morris, Alison |e verfasserin |4 aut | |
| 700 | 1 | |a Margolick, Joseph B |e verfasserin |4 aut | |
| 700 | 1 | |a Brown, Todd T |e verfasserin |4 aut | |
| 700 | 1 | |a Punjabi, Naresh M |e verfasserin |4 aut | |
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