Angiographic Predictors of Viability During Intervention for a ST Elevation Myocardial Infarction.

Q3 Medicine Sultan Qaboos University Medical Journal Pub Date : 2023-12-01 Epub Date: 2023-11-30 DOI:10.18295/squmj.12.2023.078

Suhaib Al-Maashari, Yasir Al-Malki, Hatim Al Lawati, Adil Al-Riyami, Sunil K Nadar

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Abstract

Objectives: This study aimed to identify angiographic features that would predict myocardial viability after coronary intervention for ST elevation myocardial infarction (STEMI).

Methods: This retrospective study included patients who attended Sultan Qaboos University Hospital, Muscat, Oman, between January and December 2019 with a STEMI.

Results: A total of 72 patients (61 male; mean age = 54.9 ± 12.7 years) were included in the study; 11 patients had evidence of non-viability on echocardiography. There were 13 patients with viable myocardium and 3 with non-viable myocardium who had a myocardial blush grade (MBG) of 2 or lower. Similarly, 10 patients with viability and 1 with non-viable myocardium had thrombolysis in myocardial infarction (TIMI) flow of 2 or lower in the infarct related artery (IRA). However, none of these were statistically significant. The TIMI flow in the IRA at the end of the procedure correlated with the MBG.

Conclusion: There were no clear angiographic features during primary angioplasty that could predict myocardial viability.

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ST 段抬高心肌梗死介入治疗期间血管造影预测存活率。

研究目的本研究旨在确定可预测ST段抬高型心肌梗死（STEMI）冠状动脉介入治疗后心肌存活率的血管造影特征：这项回顾性研究纳入了2019年1月至12月期间在阿曼马斯喀特苏丹卡布斯大学医院就诊的STEMI患者：研究共纳入 72 名患者（61 名男性；平均年龄 = 54.9 ± 12.7 岁），其中 11 名患者超声心动图显示心肌无活力。有 13 名患者的心肌存活，3 名患者的心肌未存活，其心肌胭脂分级（MBG）为 2 或更低。同样，10 名心肌存活的患者和 1 名心肌未存活的患者心肌梗死溶栓（TIMI）流量在梗死相关动脉（IRA）为 2 或更低。不过，这些数据均无统计学意义。手术结束时，IRA的TIMI血流与MBG相关：结论：在初级血管成形术中，没有明确的血管造影特征可以预测心肌存活能力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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