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Transcranial Doppler findings during thoracic endovascular aortic repair  Jean Bismuth, MD, Zsolt Garami, MD, Javier E. Anaya-Ayala, MD, Joseph J. Naoum,

Published byLieselotte Maike Buchholz Modified over 6 years ago

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Presentation on theme: "Transcranial Doppler findings during thoracic endovascular aortic repair  Jean Bismuth, MD, Zsolt Garami, MD, Javier E. Anaya-Ayala, MD, Joseph J. Naoum,"— Presentation transcript:

1 Transcranial Doppler findings during thoracic endovascular aortic repair 
Jean Bismuth, MD, Zsolt Garami, MD, Javier E. Anaya-Ayala, MD, Joseph J. Naoum, MD, Hosam F. El Sayed, MD, Eric K. Peden, MD, Alan B. Lumsden, MD, Mark G. Davies, MD, PhD, MBA  Journal of Vascular Surgery  Volume 54, Issue 2, Pages (August 2011) DOI: /j.jvs Copyright © 2011 Society for Vascular Surgery Terms and Conditions

2 Fig 1 A, Power M-mode Doppler (PMD) screen during transcranial monitoring. B, Spectra. Channel 1 indicates vessel label: Right middle cerebral artery (RMCA); channel 2, left MCA (LMCA; white box on the left side of the screen). Right side box: velocity and emboli counting parameters. The microembolic signals recorded on the PMD screen can be tracked as they move through the intracerebral circulation. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2011 Society for Vascular Surgery Terms and Conditions

3 Fig 2 Transcranial Doppler screen: Bilateral middle cerebral artery (MCA) monitoring. Brightness changes at yellow arrow indicate contrast media arrival into both MCAs at the same time. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2011 Society for Vascular Surgery Terms and Conditions

4 Fig 3 Number of patients per landing zone in this series.
Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2011 Society for Vascular Surgery Terms and Conditions

5 Fig 4 Microembolic signals (MES) during the diagnostic phase (green bars) and treatment phase (blue bars). When the entire treatment phase (TP) was analyzed separately, devices deployed in landing zones 0 to 2 released more MES than those in landing zones 3 or 4 (P = .027). Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2011 Society for Vascular Surgery Terms and Conditions

6 Fig 5 Transcranial Doppler screen: Bilateral middle cerebral artery (MCA) monitoring during balloon in/deflation. Nine seconds of inflation/deflation shows waveform and velocity changes on both sides (white arrow: inflation starts, yellow: deflation starts, balloon was inflated for 6 seconds equals the time frame between the two arrows). Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2011 Society for Vascular Surgery Terms and Conditions

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