Effect of short-term high-dose atorvastatin on systemic inflammatory response and myocardial ischemic injury in patients with unstable angina pectoris undergoing percutaneous coronary intervention

医学 传统PCI 阿托伐他汀 经皮冠状动脉介入治疗 心肌梗塞 肌钙蛋白I 内科学 不稳定型心绞痛 心脏病学 肌酸 肌酸激酶 装载剂量 心绞痛 肌钙蛋白T
作者
Fei Sun,Zhao Yin,Qi Shi,Bei Zhao,Shouli Wang
出处
期刊:Chinese Medical Journal [Lippincott Williams & Wilkins]
卷期号:127 (21): 3732-3737 被引量:2
标识
DOI:10.3760/cma.j.issn.0366-6999.20141199
摘要

Background Percutaneous coronary intervention (PCI) could develop periprocedural myocardial infarction and inflammatory response and statins can modify inflammatory responses property. The aim of this study was to evaluate whether short-term high-dose atorvastatin therapy can reduce inflammatory response and myocardial ischemic injury elicited by PCI. Methods From March 2012 to May 2014, one hundred and sixty-five statin-naive patients with unstable angina referred for PCI at Department of Cardiology of the 306th Hospital, were enrolled and randomized to 7-day pretreatment with atorvastatin 80 mg/d as high dose group (HD group, n =56) or 20 mg/d as normal dose group (ND group, n =57) or an additional single high loading dose (80 mg) followed 6-day atorvastatin 20 mg/d as loading dose group (LD group, n =52). Plasma C-reactive protein (CRP) and interleukin-6 (IL-6) levels were determined before intervention and at 5 minutes, 24 hours, 48 hours, 72 hours, and 7 days after intervention. Creatine kinase-myocardial isoenzyme (CK-MB) and cardiac troponin I (cTnI) were measured at baseline and then 24 hours following PCI. Results Plasma CRP and IL-6 levels increased from baseline after PCI in all groups. CRP reached a maximum at 48 hours and IL-6 level reached a maximum at 24 hours after PCI. Plasma CRP levels at 24 hours after PCI were significantly lower in the HD group ((9.14±3.02) mg/L) than in the LD group ((11.06±3.06) mg/L) and ND group ((12.36±3.08) mg/L, P <0.01); this effect persisted for 72 hours. IL-6 levels at 24 hours and 48 hours showed a statistically significant decrease in the HD group ((16.19±5.39) ng/L and (14.26±4.12) ng/L, respectively)) than in the LD group ((19.26±6.34) ng/L and (16.03±4.08) ng/L, respectively, both P <0.05) and ND group ((22.24±6.98) ng/L and (17.24±4.84) ng/L, respectively). IL-6 levels at 72 hours and 7 days showed no statistically significant difference among the study groups. Although PCI caused a significant increase in CK-MB and cTnI at 24 hours after the procedure in all groups, the elevated CK-MB and cTnI values were lower in the HD group ((4.71±4.34) ng/ml and (0.086±0.081) ng/ml, respectively) than in the ND group ((7.24±6.03) ng/ml and (0.138±0.103) ng/ml, respectively, both P <0.01) and LD group ((6.80±5.53) ng/ml and (0.126±0.101) ng/ml, respectively, both P <0.01). Conclusion Short-term high-dose atorvastatin treatment before PCI significantly reduced systemic inflammatory response and myocardial ischemic injury elicited by PCI.
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