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- Title
Application of Intravascular Ultrasound in the Emergency Diagnosis and Treatment of Patients with ST-Segment Elevation Myocardial Infarction.
- Authors
Wang, Hong‐Xia; Dong, Ping‐Shuan; Li, Zhi‐Juan; Wang, Hong‐Lei; Wang, Ke; Liu, Xiang‐Yong
- Abstract
Purpose This study aimed to examine the application of intravascular ultrasound ( IVUS) in ST-segment elevation myocardial infarction ( STEMI) patients with high thrombus burden (thrombus grade ≥3) undergoing emergency diagnosis and primary percutaneous coronary intervention. Methods Eighty STEMI patients were enrolled and randomly assigned to the IVUS-guided group (38 patients) or non- IVUS group (42 patients). Stent implantation was performed in non- IVUS group patients. IVUS group patients were further divided into low-risk and high-risk patients on the basis of IVUS evaluation for determining whether stenting should be performed. Major adverse cardiac event ( MACE) rates, changes in the left ventricular end-diastolic diameter ( LVEDD) and ejection fraction ( EF) values, and stent numbers were examined during hospitalization, and follow-up was performed at 1, 3, 6, and 12 months postoperatively. Results During hospitalization, there were no significant differences in the MACE rates, LVEDD, and EF values and in the follow-up outcomes at 1, 3, 6, and 12 months postoperatively among the patients in the 2 groups (P > 0.05). A significantly lower number of stents were implanted in the IVUS group than in the non- IVUS group patients (P < 0.05). Conclusion During the IVUS-guided emergency intervention, enhanced antithrombotic therapy and best medical care for low-risk STEMI patients may be feasible.
- Subjects
MYOCARDIAL infarction diagnosis; CHI-squared test; ELECTROCARDIOGRAPHY; HOSPITAL emergency services; SURGICAL stents; T-test (Statistics); ULTRASONIC imaging; CONTROL groups; INTRAVASCULAR space; DATA analysis software; DESCRIPTIVE statistics
- Publication
Echocardiography, 2015, Vol 32, Issue 6, p1003
- ISSN
0742-2822
- Publication type
Article
- DOI
10.1111/echo.12794