Abstract
To explore the relationship between the changes of ECG indexes and the prognosis after PCI in patients with acute ST-elevation myocardial infarction (STEMI), and to develop the evaluation method and analyze the advantages and characteristics. 420 patients with acute myocardial infarction (AMI) were admitted to our hospital from March 2017 to April 2020. They were divided into the observation group (ST segment elevation type) with 220 patients and control group (non-ST segment elevation type) with 200 patients according to whether ST segment elevation was or not. ECG was detected before and 1 hour after operation, evaluation of thrombolytic effect, 6-minute walking test and echocardiography were performed 3 months after operation. Compared with the control group, the ECG of the observation group showed St Compared with the control group, the thrombolytic effect of the observation group was significantly improved, and the difference was statistically significant (P < 0.05); compared with the control group, the thrombolysis effect of the observation group was significantly improved, the difference was statistically significant (P < 0.05); ECG index can effectively reflect the recovery of cardiac function after PCI in patients with acute STEMI, and can effectively indicate the improvement of symptoms in patients with AMI, which is worthy of clinical application.
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