Obstructive sleep apnea and structural/functional properties of the thoracic ascending aorta

The multi-ethnic study of atherosclerosis (MESA)

Younghoon Kwon, Jeongok Logan, Susan Redline, Daniel Duprez, David R Jacobs Jr, Pamela Ouyang, W. Greg Hundley, Joao Lima, David A. Bluemke, Pamela L Lutsey

Research output: Contribution to journalArticle

Abstract

Background: Structural and functional properties of the proximal thoracic aorta have important implications in clinical and subclinical cardiovascular disease (CVD). We examined whether obstructive sleep apnea (OSA) is associated with proximal aortic size and aortic stiffness in a multi-ethnic community-based cohort. Methods: The sample included the Multi-Ethnic Study of Atherosclerosis (MESA) Sleep Ancillary study participants without known CVD who underwent cardiac magnetic resonance imaging. The main exposure variable was OSA severity based on the polysomnography-derived apnea hypopnea index (AHI; normal, AHI <5/h; mild, 5≤ AHI <15/h; moderate to severe, AHI ≥15/h). The study outcomes were ascending aortic diameter (AoD, cm), aortic pulse wave velocity (AoPWV, m/s), and ascending aortic distensibility (AAD, %/mm Hg). Analyses were performed in the overall sample and in sex-specific strata, adjusted for multiple potential confounders. Results: The 708 participants were 55.9% female and on average 68 years old (54-93 years). There was a significant trend (p < 0.0001) of greater mean (SD) AoD across the three OSA groups: normal (n = 87), 3.13 cm (0.35); mild (n = 215), 3.25 (0.34); moderate to severe (n = 406), 3.37 (0.36). In adjusted analysis, participants with moderate to severe OSA had a greater mean AoD compared with the normal group: adjusted mean difference (95% CI), 0.12 cm (0.05, 0.20), p = 0.002. This AoD gradient was observed in women but not in men (p for interaction = 0.02). No differences were found in AoPWV or AAD among the OSA groups. Conclusion: In a diverse community-based cohort, moderate to severe OSA (vs. no OSA) was associated with a larger ascending AoD in women.

Original languageEnglish (US)
Pages (from-to)180-188
Number of pages9
JournalCardiology (Switzerland)
Volume142
Issue number3
DOIs
StatePublished - Jul 1 2019

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Obstructive Sleep Apnea
Thoracic Aorta
Aorta
Atherosclerosis
Cardiovascular Diseases
Pulse Wave Analysis
Vascular Stiffness
Polysomnography
Apnea
Sleep
Magnetic Resonance Imaging
Outcome Assessment (Health Care)

Keywords

  • Aorta
  • Arterial stiffness
  • Sleep apnea

PubMed: MeSH publication types

  • Journal Article

Cite this

Obstructive sleep apnea and structural/functional properties of the thoracic ascending aorta : The multi-ethnic study of atherosclerosis (MESA). / Kwon, Younghoon; Logan, Jeongok; Redline, Susan; Duprez, Daniel; Jacobs Jr, David R; Ouyang, Pamela; Hundley, W. Greg; Lima, Joao; Bluemke, David A.; Lutsey, Pamela L.

In: Cardiology (Switzerland), Vol. 142, No. 3, 01.07.2019, p. 180-188.

Research output: Contribution to journalArticle

Kwon, Younghoon ; Logan, Jeongok ; Redline, Susan ; Duprez, Daniel ; Jacobs Jr, David R ; Ouyang, Pamela ; Hundley, W. Greg ; Lima, Joao ; Bluemke, David A. ; Lutsey, Pamela L. / Obstructive sleep apnea and structural/functional properties of the thoracic ascending aorta : The multi-ethnic study of atherosclerosis (MESA). In: Cardiology (Switzerland). 2019 ; Vol. 142, No. 3. pp. 180-188.
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abstract = "Background: Structural and functional properties of the proximal thoracic aorta have important implications in clinical and subclinical cardiovascular disease (CVD). We examined whether obstructive sleep apnea (OSA) is associated with proximal aortic size and aortic stiffness in a multi-ethnic community-based cohort. Methods: The sample included the Multi-Ethnic Study of Atherosclerosis (MESA) Sleep Ancillary study participants without known CVD who underwent cardiac magnetic resonance imaging. The main exposure variable was OSA severity based on the polysomnography-derived apnea hypopnea index (AHI; normal, AHI <5/h; mild, 5≤ AHI <15/h; moderate to severe, AHI ≥15/h). The study outcomes were ascending aortic diameter (AoD, cm), aortic pulse wave velocity (AoPWV, m/s), and ascending aortic distensibility (AAD, {\%}/mm Hg). Analyses were performed in the overall sample and in sex-specific strata, adjusted for multiple potential confounders. Results: The 708 participants were 55.9{\%} female and on average 68 years old (54-93 years). There was a significant trend (p < 0.0001) of greater mean (SD) AoD across the three OSA groups: normal (n = 87), 3.13 cm (0.35); mild (n = 215), 3.25 (0.34); moderate to severe (n = 406), 3.37 (0.36). In adjusted analysis, participants with moderate to severe OSA had a greater mean AoD compared with the normal group: adjusted mean difference (95{\%} CI), 0.12 cm (0.05, 0.20), p = 0.002. This AoD gradient was observed in women but not in men (p for interaction = 0.02). No differences were found in AoPWV or AAD among the OSA groups. Conclusion: In a diverse community-based cohort, moderate to severe OSA (vs. no OSA) was associated with a larger ascending AoD in women.",
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T2 - The multi-ethnic study of atherosclerosis (MESA)

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AU - Logan, Jeongok

AU - Redline, Susan

AU - Duprez, Daniel

AU - Jacobs Jr, David R

AU - Ouyang, Pamela

AU - Hundley, W. Greg

AU - Lima, Joao

AU - Bluemke, David A.

AU - Lutsey, Pamela L

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AB - Background: Structural and functional properties of the proximal thoracic aorta have important implications in clinical and subclinical cardiovascular disease (CVD). We examined whether obstructive sleep apnea (OSA) is associated with proximal aortic size and aortic stiffness in a multi-ethnic community-based cohort. Methods: The sample included the Multi-Ethnic Study of Atherosclerosis (MESA) Sleep Ancillary study participants without known CVD who underwent cardiac magnetic resonance imaging. The main exposure variable was OSA severity based on the polysomnography-derived apnea hypopnea index (AHI; normal, AHI <5/h; mild, 5≤ AHI <15/h; moderate to severe, AHI ≥15/h). The study outcomes were ascending aortic diameter (AoD, cm), aortic pulse wave velocity (AoPWV, m/s), and ascending aortic distensibility (AAD, %/mm Hg). Analyses were performed in the overall sample and in sex-specific strata, adjusted for multiple potential confounders. Results: The 708 participants were 55.9% female and on average 68 years old (54-93 years). There was a significant trend (p < 0.0001) of greater mean (SD) AoD across the three OSA groups: normal (n = 87), 3.13 cm (0.35); mild (n = 215), 3.25 (0.34); moderate to severe (n = 406), 3.37 (0.36). In adjusted analysis, participants with moderate to severe OSA had a greater mean AoD compared with the normal group: adjusted mean difference (95% CI), 0.12 cm (0.05, 0.20), p = 0.002. This AoD gradient was observed in women but not in men (p for interaction = 0.02). No differences were found in AoPWV or AAD among the OSA groups. Conclusion: In a diverse community-based cohort, moderate to severe OSA (vs. no OSA) was associated with a larger ascending AoD in women.

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