The feasibility of velocity vector imaging by transesophageal echocardiography for assessment of elastic properties of the descending aorta in aortic valve disease

Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography
Johan PetriniMaria J Eriksson

Abstract

Velocity vector imaging (VVI) is a novel two-dimensional speckle-based imaging technique for evaluation of tissue deformation. The aim of this study was to determine the feasibility and variability of VVI for the assessment of aortic strain, distensibility, and stiffness in patients with aortic valve disease. Eighty-five patients (mean age 66 +/- 11 years) with aortic stenosis (AS) or aortic regurgitation (AR) were examined in the operating room before the operation using transesophageal echocardiography (TEE). The two-dimensional short-axis images and M-mode recordings of the descending aorta were acquired simultaneously with the invasive blood pressure measurement in the radial artery. The TEE images were analyzed off-line using VVI software. In comparison with patients with AS, patients with AR displayed significantly higher circumferential strain (7.6% +/- 4.5% vs. 3.7% +/- 1.9%, P < .001) and distensibility (27.1 +/- 12.8 kPa(-1)10(-3) vs. 17.2 +/- 7.2 kPa(-1)10(-3), P < .001) by VVI and distensibility (32.8 +/- 16.7 kPa(-1)10(-3) vs. 21.7 +/- 10.6 kPa(-1)10(-3), P < .004) by M-mode. Stiffness was higher in AS than AR, as measured by VVI (13.3 +/- 6.0 vs. 10.5 +/- 6.0, P < .01) and M-mode (11.2 +/- 6.1 vs. 10.4 +/- 9.1, P ...Continue Reading

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Citations

Apr 24, 2013·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·Alexander J Gregory, Gary Dobson
May 31, 2011·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Veronica JacksonAnders Franco-Cereceda
Mar 7, 2012·The International Journal of Cardiovascular Imaging·David M HarrildAndrew J Powell
Nov 8, 2015·European Heart Journal Cardiovascular Imaging·Rogério TeixeiraLino Gonçalves
Feb 11, 2014·Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography·Johan PetriniMaria J Eriksson
Jul 5, 2011·Journal of Interventional Cardiology·Ibrahim H TanbogaSerdar Sevimli
Aug 19, 2014·The Journal of Thoracic and Cardiovascular Surgery·Jennifer ChungRichard L Leask
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Jun 7, 2011·Orvosi hetilap·Attila Nemes, Tamás Forster
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Feb 11, 2014·Echocardiography·Orson D GoHarold Smulyan
Apr 13, 2013·Arteriosclerosis, Thrombosis, and Vascular Biology·Sung-Ai KimJong-Won Ha
Nov 26, 2016·The International Journal of Cardiovascular Imaging·Rogério TeixeiraLino Gonçalves

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