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Case Reports
. 2020 Oct 1;58(4):864-866.
doi: 10.1093/ejcts/ezaa126.

Mechanical ventilation variability due to tracheal compression in a patient with a mycotic descending aortic aneurysm: an inverse correlation with blood pressure

Samuel Heuts  1 , Roy T M Sprooten  2 , Serge J H Heines  3 , Barend M E Mees  4
Affiliations
Case Reports

Mechanical ventilation variability due to tracheal compression in a patient with a mycotic descending aortic aneurysm: an inverse correlation with blood pressure

Samuel Heuts et al. Eur J Cardiothorac Surg. .

Abstract

Mycotic aortic aneurysms carry significant morbidity and mortality. In the current report, we present a case of a patient with a mycotic descending aortic aneurysm with contained rupture causing variable compression of the trachea, influenced by a variability in blood pressure. In these patients, blood pressure management is paramount as relative hypertensive periods do not only increase the risk of rupture but can also warrant high ventilation pressures or can potentially result in airway occlusion.

Keywords: Aortic aneurysm; Mechanical ventilation; Mycotic aneurysm.

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Figures

Figure 1:
Figure 1:
Diagnostic imaging. (A, B) Bronchoscopy revealing a pulsating mass with a variable compression of the tracheal lumen. (C, D) Thoracic computed tomography scan and anatomical 3-dimensional reconstruction demonstrating tracheal (green) compression (*) by the AS. AS: aneurysmal sac; LMB: left main bronchus; RMB: right main bronchus.
Figure 2:
Figure 2:
Graph revealing the inverse relationship between tidal volume and blood pressure. MAP: mean arterial pressure; TV: tidal volume.
See this image and copyright information in PMC

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