Predictors of oxygenation impairment in medical treatment for type B acute aortic dissection

Predictors of oxygenation impairment in medical treatment for type B acute aortic dissection Lung oxygenation impairment often occurs in patients with type B acute aortic dissection (AAD), necessitating mechanical ventilation. Patients receiving mechanical ventilation are at risk of complications, so a low-oxygen condition requiring mechanical ventilation should be avoided. We explored the predictors of oxygenation impairment. We enrolled 46 patients with type B AAD who had been medically treated and underwent computed tomography. Blood was sampled to measure markers of inflammation, such as the C-reactive protein (CRP) levels and white blood cell count. The arterial partial pressure of oxygen/fraction of inspired oxygen ratio (PaO2/FiO2) was calculated to quantify the severity of respiratory failure. Spearman’s rank correlation analysis revealed that the minimum PaO2/FiO2 ratio was significantly correlated with gender, age, and current smoker, and the peak CRP, body temperature, and D-dimer values. A multivariate regression analysis revealed that younger age, male sex, and the peak CRP level were significant predictors of the minimum PaO2/FiO2 ratio (P = 0.01, 0.035 and 0.005, respectively). A covariance structure analysis showed that a younger age and the peak CRP level were significant predictors of oxygenation impairment in type B AAD. Oxygenation impairment in type B AAD is correlated with younger age and a higher peak CRP level. This will enable the identification of patients whose respiratory condition is susceptible to worsening and help prevent mechanical ventilation, leading to the provision of appropriate therapy. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Heart and Vessels Springer Journals

Predictors of oxygenation impairment in medical treatment for type B acute aortic dissection

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Japan KK, part of Springer Nature
Subject
Medicine & Public Health; Cardiology; Cardiac Surgery; Vascular Surgery; Biomedical Engineering and Bioengineering
ISSN
0910-8327
eISSN
1615-2573
DOI
10.1007/s00380-018-1199-0
Publisher site
See Article on Publisher Site

Abstract

Lung oxygenation impairment often occurs in patients with type B acute aortic dissection (AAD), necessitating mechanical ventilation. Patients receiving mechanical ventilation are at risk of complications, so a low-oxygen condition requiring mechanical ventilation should be avoided. We explored the predictors of oxygenation impairment. We enrolled 46 patients with type B AAD who had been medically treated and underwent computed tomography. Blood was sampled to measure markers of inflammation, such as the C-reactive protein (CRP) levels and white blood cell count. The arterial partial pressure of oxygen/fraction of inspired oxygen ratio (PaO2/FiO2) was calculated to quantify the severity of respiratory failure. Spearman’s rank correlation analysis revealed that the minimum PaO2/FiO2 ratio was significantly correlated with gender, age, and current smoker, and the peak CRP, body temperature, and D-dimer values. A multivariate regression analysis revealed that younger age, male sex, and the peak CRP level were significant predictors of the minimum PaO2/FiO2 ratio (P = 0.01, 0.035 and 0.005, respectively). A covariance structure analysis showed that a younger age and the peak CRP level were significant predictors of oxygenation impairment in type B AAD. Oxygenation impairment in type B AAD is correlated with younger age and a higher peak CRP level. This will enable the identification of patients whose respiratory condition is susceptible to worsening and help prevent mechanical ventilation, leading to the provision of appropriate therapy.

Journal

Heart and Vessels – Springer Journals

Published: Jun 4, 2018

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