Changes in right ventricular free wall strain in patients with coronary artery disease involving the right coronary artery

Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography
Wei-Ting ChangLiang-Miin Tsai

Abstract

Chronic ischemia related occult systolic dysfunction of the right ventricle is difficult to detect using traditional echocardiography. The aim of this study was to verify the diagnostic value of speckle-tracking echocardiography in proximal right coronary artery (pRCA) lesion-induced right ventricular (RV) occult dysfunction. One hundred forty-two patients undergoing elective coronary angiography for suspected coronary artery disease were divided into two groups according to involvement of the right coronary artery. In further analysis, significant stenosis before the acute marginal branch was defined as pRCA involvement and compared with a control group. Global longitudinal strain and RV free wall longitudinal train (RVLS-FW) were measured using speckle-tracking echocardiography. Other traditional parameters to evaluate RV function were also measured. Eighty-seven patients in the right coronary artery group (61.2%) displayed significant decreases in the magnitudes of both global longitudinal strain (-13.65 ± 3.83% vs -15.69 ± 4.37%, P = .04) and RVLS-FW (-16.04 ± 5.4% vs -21.18 ± 4.6%, P = .04), independent of other parameters. Conversely, when focusing on pRCA involvement, only RVLS-FW showed significant attenuation in the gr...Continue Reading

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Sep 14, 2010·Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography·Wei-Chuan TsaiLiang-Miin Tsai
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Citations

Oct 30, 2015·Circulation Journal : Official Journal of the Japanese Circulation Society·Yasunobu HayabuchiShoji Kagami
Jan 9, 2016·Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography·Wei-Ting ChangWei-Chuan Tsai
Mar 22, 2016·Ultrasound in Medicine & Biology·Ali-Asghar Kowsari, Ali Hosseinsabet
May 8, 2015·The International Journal of Cardiovascular Imaging·Diego MedvedofskyVictor Mor-Avi
May 9, 2016·Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography·Kevin LiouSze-Yuan Ooi
Mar 31, 2018·Echocardiography·Antonello D'AndreaUNKNOWN Working Group on Echocardiography of the Italian Society of Cardiology
Feb 25, 2021·BioMed Research International·Maria Concetta PastoreMatteo Cameli

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