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The Journal of Tehran University Heart Center، جلد ۱۰، شماره ۲، صفحات ۹۳-۹۷
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عنوان انگلیسی Effects of Everolimus-Eluting Stents on the Left Ventricular Systolic and Diastolic Functions
چکیده انگلیسی مقاله Background: The drug-eluting stent (DES) decreases the rate of coronary restenosis and re-obstruction. The aim of this study was to assess prospectively the effectiveness of the new generation DES on the left ventricular (LV) systolic and diastolic functions in patients with isolated severe proximal left anterior descending (LAD) coronary artery stenosis. Methods: A prospective study was conducted on 50 patients with isolated severe proximal LAD stenosis. Successful percutaneous coronary intervention (PCI) with Everolimus-eluting stents was performed for the whole study population. All the patients underwent transthoracic echocardiography within 24 hours before and one month after PCI, and LV systolic and diastolic parameters were compared before and after PCI using the paired samples t-test. Results: The mean age of the study population was 57.68 ± 8.82 years. Within the study population, 26 (52%) patients were male and 24 (48%) were female. There was a significant 10.6% and 5.2% increase in the early diastolic mitral annular motion (e') and the LV ejection fraction following PCI, respectively (p value = 0.005 and p value = 0.044, respectively). Before PCI, wall motion abnormality was seen in 2.21 ± 2.91 segments, which significantly decreased to 1.49 ± 2.58 segments (p value = 0.04) after the procedure. Also, the wall motion score index was 1.18 ± 0.26 before PCI, which significantly decreased to 1.13 ± 0.23 after PCI (p value < 0.001).Also, there was a trend toward a higher ratio of transmitral peak early diastolic velocity to peak late diastolic velocity after PCI (p value = 0.068). Conclusion: Our study showed that the use of the Everolimus-eluting stents improved the LV systolic and diastolic functions in patients with isolated severe LAD stenosis.
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نویسندگان مقاله | MohammadSadegh Parsaee
Mazandaran University of Medical Sciences, Sari, Iran.


| Maryam Nabati


| Naser Saffar
Student Research Committee, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.


| Morteza Taghavi
Student Research Committee, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
نشانی اینترنتی http://jthc.tums.ac.ir/index.php/jthc/article/view/373
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