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The Journal of Tehran University Heart Center، جلد ۸، شماره ۱، صفحات ۲۸-۳۴
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عنوان انگلیسی Intracoronary Adenosine to Prevent Myonecrosis in Patients with Stable Angina Undergoing Percutaneous Interventions: A Double-Blinded Randomized Controlled Trial
چکیده انگلیسی مقاله Background: Significant elevation of cardiac biomarkers after percutaneous coronary intervention (PCI) is associated with increased mortality. However, clinical importance of lesser degrees of cardiac enzyme elevation has not been well understood. Multiple factors might have an etiologic role, and the incidence of myonecrosis has not changed dramatically despite pharmacological and technological advances in PCI. The aim of this study was to evaluate the role of intracoronary (IC) Adenosine in preventing the elevation of cardiac enzymes as a marker of myonecrosis after PCI in patients with chronic stable angina. Methods: Two hundred sixty patients with chronic stable angina who were candidates for PCI were randomly assigned to double-blinded pretreatment with IC Adenosine or placebo before crossing of the guide wire. The patients were observed during the hospital course, and blood samples were obtained in standard intervals after the intervention for cardiac biomarkers. The primary end point of this study was post-PCI myonecrosis, and secondary end point was safety of IC Adenosine administration in the setting of PCI in patients with chronic stable angina. Results: Of the 260 patients, who were initially randomized, finally 83 patients were analyzed in the placebo and 96 in the Adenosine arms. The study patients were comparable in clinical and angiographic characteristics. The mean of the patients’ age was 57.3 years (range = 35 to 79 years), and 71.5% were male. There were no differences in the mean serum cardiac biomarkers between the study groups (mean creatine kinase-MB [CK.MB] level of 29.5 ± 14.5 IU/L in the placebo group and 31.5 ± 18.5 IU/L in the control group; p value = 0.41; mean cardiac troponin I (cTnI) level of 0.097 ± 0.178 µg/L in the placebo group and 0.167 ± 0.5 µg/L in the control group; p value = 0.24). Conclusion: Despite promising results in primary PCI, our study showed that a strategy of IC Adenosine pretreatment is not beneficial in reducing post-PCI myonecrosis in patients with chronic stable angina and should not be routinely used.
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نویسندگان مقاله | HamidReza Sanati
Cardiovascular Intervention Research Center, Rajaie Cardiovascular, Medical and Research Center, Tehran University of Medical Sciences, Tehran, Iran.


| Reza Ghanavati
Cardiovascular Intervention Research Center, Rajaie Cardiovascular, Medical and Research Center, Tehran University of Medical Sciences, Tehran, Iran.


| Ali Zahedmehr
Cardiovascular Intervention Research Center, Rajaie Cardiovascular, Medical and Research Center, Tehran University of Medical Sciences, Tehran, Iran.


| Farshad Shakerian
Cardiovascular Intervention Research Center, Rajaie Cardiovascular, Medical and Research Center, Tehran University of Medical Sciences, Tehran, Iran.


| Hooman Bakhshandeh
Cardiovascular Intervention Research Center, Rajaie Cardiovascular, Medical and Research Center, Tehran University of Medical Sciences, Tehran, Iran.


| Ata Firouzi
Cardiovascular Intervention Research Center, Rajaie Cardiovascular, Medical and Research Center, Tehran University of Medical Sciences, Tehran, Iran.


| Reza Kiani
Cardiovascular Intervention Research Center, Rajaie Cardiovascular, Medical and Research Center, Tehran University of Medical Sciences, Tehran, Iran.
نشانی اینترنتی http://jthc.tums.ac.ir/index.php/jthc/article/view/278
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/65/article-65-1353679.pdf
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