ISSN: 1859 - 2872
The change in myocardial strain in patients with acute ST elevation myocardial infarction after primary percutaneous coronary intervention
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Abstract
Objective: To survey the change in myocardial strain by 2D speckle tracking echocardiography in patients with acute ST elevation myocardial infarction (STEMI) were treated with primary percutaneous coronary intervention (PCI). Subject and method: 118 STEMI patients after primary percutaneous coronary intervention hospitalized in Vietnam National Heart Institute from January 2016 to March 2019 were included. A cross-sectional descriptive and prospective cohort sudy. Two dimentional (2D) speckle tracking echocardiography was done for all patients within 24 hours after PCI, after 3 days, after 1 month, after 3 months and after 6 months. Echocardiography images were analyzed to assess GLS by EchoPAC 112 software (GE, USA). Result: Mean age: 64.73 ± 11.88 years. Male: 81.4%; Killip I: 75.4%; mean Wall Motion Score Index (WMSI): 1.45 ± 0.23; mean EF: 45.29 ± 6.96%. GLS of the patients after 1 day was worse than that of control subjects. GLS improved over time. GLS after 3 days, after 1 month, 3 months, 6 months were -12.23 ± 2.79%; -13.36 ± 2.87%, -14.10 ± 2.55%; -14.50 ± 2.40, respectively. GLS of culprit artery groups (LAD, LCX and RCA) were not the same at the evaluation times (p<0.001). GLS of TMP < III group was worse than that of TMP III group (p<0.05). GLS of different EF groups were not the same at the evaluation times (p<0.001). Conclusion: GLS by 2D speckle tracking echocardiography in STEMI patients after primary PCI was worse than that of normal people and improving trend over time. GLS of culprit artery groups, different EF groups, TMP < III and TMP III group were not the same at the evaluation times.
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References
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