Archives of medical research · 2016
Ischemic Postconditioning Before Percutaneous Coronary Intervention for Acute ST-Segment Elevation Myocardial Infarction Reduces Contrast-induced Nephropathy and Improves Long-term Prognosis.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Wang Yun-Yun, Li Tong, Liu Ying-Wu, Wang Yu, Hu Xiao-Min, Gao Wen-Qing, Wu Peng, Li Xin, Peng Wen-Jin, Gao Wei, Yu Guang-Dong, Liu Bo-Jiang
Аннотация
BACKGROUND AND AIMS: Contrast-induced nephropathy (CIN) after percutaneous coronary intervention (PCI) is one of the major adverse outcomes affecting the prognosis of patients with acute ST-segment elevation myocardial infarction (STEMI). Ischemic postconditioning prior to PCI (pre-PCI) in patients with STEMI is hypothesized to be protective against CIN after PCI.
METHODS: A total of 251 patients with STEMI were randomized into two groups: ischemic postconditioning group (n = 123, age, 61.1 ± 12.5 years) who underwent ischemic postconditioning prior to PCI; control group (n = 128; age, 64.1 ± 12.1 years) who underwent only PCI. Ischemic postconditioning was administered by three cycles of deflation and inflation of the balloon (1-min ischemia and 1-min reperfusion) starting 1 min after infarct-related artery (IRA) opening. Diagnostic criterion for CIN was: increase in serum creatinine level by ≥0.5 mg/dL or by ≥25% increase from preoperative level within 48 h of surgery. All patients were followed for 1 year for incidence of major cardiovascular events (MACE).
RESULTS: The incidence of postoperative CIN in the ischemic postconditioning group was 5.69% as compared to 14.06% in the control group (p <0.05). At one year, the MACE incidence in the ischemic postconditioning group was 7.32% as compared to 15.63% in the control group (p <0.05).
CONCLUSIONS: Pre-PCI ischemic postconditioning in STEMI patients significantly reduces the post-PCI incidence of CIN and improves long-term prognosis.
METHODS: A total of 251 patients with STEMI were randomized into two groups: ischemic postconditioning group (n = 123, age, 61.1 ± 12.5 years) who underwent ischemic postconditioning prior to PCI; control group (n = 128; age, 64.1 ± 12.1 years) who underwent only PCI. Ischemic postconditioning was administered by three cycles of deflation and inflation of the balloon (1-min ischemia and 1-min reperfusion) starting 1 min after infarct-related artery (IRA) opening. Diagnostic criterion for CIN was: increase in serum creatinine level by ≥0.5 mg/dL or by ≥25% increase from preoperative level within 48 h of surgery. All patients were followed for 1 year for incidence of major cardiovascular events (MACE).
RESULTS: The incidence of postoperative CIN in the ischemic postconditioning group was 5.69% as compared to 14.06% in the control group (p <0.05). At one year, the MACE incidence in the ischemic postconditioning group was 7.32% as compared to 15.63% in the control group (p <0.05).
CONCLUSIONS: Pre-PCI ischemic postconditioning in STEMI patients significantly reduces the post-PCI incidence of CIN and improves long-term prognosis.