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CHARACTERISTICS OF CORONARY ARTERY LESIONSIN PATIENTS WITH POSTERIOR ST ELEVATION ACUTE MYOCARDIAL INFARCTION
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Abstract
Objective: To evaluate rate and some characteristics of coronary artery lesion in patients with acuteposterior ST elevation myocardial infarctionat Thong Nhat Hospital in Ho Chi Minh city. Subjects and methods: Cross-sectional and longitudinal studyin all patients with Posterior ST elevation acute myocardial infarction admitted to Thong Nhat Hospital from 1/2017 to 6/2020. Results: The average age of the patients was 61.0 ± 12.7 (age). The rate of acute posterior ST elevation myocardial infarction was 20.5%. Cardiac shock accounted for 22.7%. The culprit coronary branch was the left circumflex artery (LCx) 59.1%, the right coronary artery (RCA) 40.9%, RCA dominated than LCx (61.4% versus 38.6%, p=0,037). The common lesion location in LCx was the middle 48%, type C lesions 56%, TIMI flow 0 was44%; meanwhile, the common lesion location in the RCA was at the proximal segment 47.4%, type C 63,2%, TIMI flow 0 was36.8%. Conclusions: Posterior ST elevation acute myocardial infarction accounted for more than a quarter of hospitalized ST elevation myocardial infarction. The culprit lesion was the left circumflex coronary artery in the majority of cases with the most common location of lesion being in the mid-segment.
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Keywords
Posterior ST elevation acute myocardial infarction, Left circumflex artery (LCx), Right coronary artery (RCA)
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