<span style="white-space:nowrap;font-family:Verdana;"><strong>Background: </strong></span>This study aimed to determine the impact of the percutaneous coronary intervention (PCI)...<span style="white-space:nowrap;font-family:Verdana;"><strong>Background: </strong></span>This study aimed to determine the impact of the percutaneous coronary intervention (PCI) on myocardial function assessed by tissue Doppler echocardiography.<span style="font-family:;" "=""> </span><b><span style="font-family:Verdana;">Methods:</span></b><i><span style="font-family:;" "=""> </span></i><span style="font-family:;" "=""><span style="font-family:Verdana;">Conventional two-dimensional echocardiography</span><b> </b><span style="font-family:Verdana;">and</span><i> </i><span style="font-family:Verdana;">Myocardial tissue peak velocities were recorded at the lateral, ant.septal, post.septal, posterior, ant. and inferior angles of the mitral annulus as well as at the lateral tricuspid annulus by pulsed-wave tissue Doppler echocardiography before PCI, as well as 1 day and 6 weeks after intervention.</span></span><span style="font-family:;" "=""> </span><b><span style="font-family:Verdana;">Results:</span></b><i><span style="font-family:;" "=""> </span></i><span style="font-family:;" "=""><span style="font-family:Verdana;">Fifty consecutive patients with chronic stable angina and </span><span style="font-family:Verdana;">preserved systolic left ventricular function (mean age, 58.3 ± 6.594 years;32 men) undergoing PCI were studied. Conventional echocardiographic revealed no statistically significant difference between pre- and post-PCI (1 day after PCI and 6</span><span style="font-family:Verdana;"> weeks after PCI) as regarding trans-mitral and trans-tricuspid flow velocities except as regarding LVEDD, LVESD and LVEF which showed a significant improvement post-PCI. Compared with pre-interventional values, systolic peak velocity and early diastolic velocities improved at all sites (P ≤ </span></span><span style="font-family:Verdana;">0</span><span style="font-family:Verdana;">.05 for each). The most pronounced improvement occurred in the septal area. Similarly, late diastolic velocities improved at all sites (P ≤ <展开更多
文摘<span style="white-space:nowrap;font-family:Verdana;"><strong>Background: </strong></span>This study aimed to determine the impact of the percutaneous coronary intervention (PCI) on myocardial function assessed by tissue Doppler echocardiography.<span style="font-family:;" "=""> </span><b><span style="font-family:Verdana;">Methods:</span></b><i><span style="font-family:;" "=""> </span></i><span style="font-family:;" "=""><span style="font-family:Verdana;">Conventional two-dimensional echocardiography</span><b> </b><span style="font-family:Verdana;">and</span><i> </i><span style="font-family:Verdana;">Myocardial tissue peak velocities were recorded at the lateral, ant.septal, post.septal, posterior, ant. and inferior angles of the mitral annulus as well as at the lateral tricuspid annulus by pulsed-wave tissue Doppler echocardiography before PCI, as well as 1 day and 6 weeks after intervention.</span></span><span style="font-family:;" "=""> </span><b><span style="font-family:Verdana;">Results:</span></b><i><span style="font-family:;" "=""> </span></i><span style="font-family:;" "=""><span style="font-family:Verdana;">Fifty consecutive patients with chronic stable angina and </span><span style="font-family:Verdana;">preserved systolic left ventricular function (mean age, 58.3 ± 6.594 years;32 men) undergoing PCI were studied. Conventional echocardiographic revealed no statistically significant difference between pre- and post-PCI (1 day after PCI and 6</span><span style="font-family:Verdana;"> weeks after PCI) as regarding trans-mitral and trans-tricuspid flow velocities except as regarding LVEDD, LVESD and LVEF which showed a significant improvement post-PCI. Compared with pre-interventional values, systolic peak velocity and early diastolic velocities improved at all sites (P ≤ </span></span><span style="font-family:Verdana;">0</span><span style="font-family:Verdana;">.05 for each). The most pronounced improvement occurred in the septal area. Similarly, late diastolic velocities improved at all sites (P ≤ <
