Evidence of Improved Regional Myocardial Function in Patients With Chronic Stable Angina and Apparent Normal Ventricular Function—A Tissue Doppler Study Before and After Percutaneous Coronary Intervention

A study of changes in various echocardiographic parameters in patients with chronic stable angina undergoing percutaneous coronary intervention (PCI)

“…Diller, et al (2009) showed that the early diastolic velocities improved at all sites (p <.05 for each).…”

“…The most pronounced improvement occurred in the septal area 17 . In this present study, results are in agreement with Hashemi et al (2010) They studied thirty patients who had single vessel disease (LAD disease), and underwent elective PCI providing that their systolic ejection fraction was > 40%.…”

“…They examined twenty-four consecutive patients with chronic stable angina and preserved systolic left ventricular function who underwent PCI; patients had PW-TDI and conventional echocardiography before PCI, 1day, and 6 weeks after PCI. The results of their study showed that the systolic peak velocity improved in the septal, lateral, inferior, and right ventricular areas (p < 0.05 for each), but insignificant trend toward an improvement in the posterior wall (p = 0.06) was found 17 . Consistent with findings in the present study Rashid (2012) showed that there was highly significant increase in systolic myocardial velocity S wave at inferior, anterior, septal, and lateral walls of LV, and also lateral wall of RV at 1 day, and 6 weeks after intervention, while it was insignificant at posterior wall of LV.…”

“…Diller and associates showed that trans-mitral and trans-tricuspid flow Doppler parameters and ejection fraction failed to reflect any improvement 1 day after PCI and 6 weeks after PCI 17 . In Rashid's study there was an insignificant relation among all conventional echocardiographic measures from baseline to 6 weeks after intervention, although similar agreement was lacking in study done by Carluccio et al (2006), who reported that left ventricular volumes and contractile dysfunction as assessed by conventional echocardiography improved 8 ± 3 months after revascularization in patients with impaired left ventricular function.…”

Um novo índice de doppler tecidual para a predição de fibrilação atrial futura em pacientes com insuficiência cardíaca

“…When coronary disease causes regional hibernation of the myocardium, the E' velocity drops 17,26 and it has been shown to rise again after percutaneous coronary intervention 26 . In these patients, the E/E' ratio increase and S' decrease due to regional changes in the myocardium are often caused by subclinical coronary disease 17,26 . In our study, the …”