Abstract
BackgroundThe purpose of this study was to explore the expression of miR-665 in acute myocardial infarction (AMI) and evaluate its significance in the diagnosis and prognosis of AMI.Methods100 patients with AMI were selected as the study group and 80 healthy subjects were chosen as the control group. The levels of miR-665 were detected by reverse transcription quantitative polymerase chain reaction (RT-qPCR) in the two groups. The diagnostic value of miR-665 expression level in AMI was analyzed by the receiver operator characteristic (ROC) curve. Kaplan-Meier curve and Cox regression were used to evaluate the predictive value of miR-665 for major adverse cardiovascular events (MACEs) in patients with AMI within 30 days after percutaneous coronary intervention (PCI).ResultsThe serum miR-665 level of the study group was significantly lower than that of the control group. The level of miR-665 was significantly correlated with clinical indicators of patients with AMI. ROC curve showed that miR-665 has a high diagnostic value for AMI. Survival analysis showed that Gensini score and miR-665 were independent risk factors for the occurrence of MACEs within 30 days after PCI in patients with AMI.ConclusionsAbnormal decrease of serum miR-665 expression level in patients with AMI may increase the risk of MACEs occurrence after PCI.
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