Complementary role of computed tomography angiography with fixed perfusion defects on SPECT myocardial perfusion imaging.

IF 1.7 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING European Journal of Hybrid Imaging Pub Date : 2022-02-01 DOI:10.1186/s41824-021-00124-z

Rami M Abazid, Yasmine T Sallam, Jonathan G Romsa, James C Warrington, Cigdem Akincioglu, Sabe De, Nikolaos Tzemos, William C Vezina

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Abstract

Purpose: We present this case series exploring the complementary role of coronary computed tomography angiography (CCTA) to SPECT myocardial perfusion imaging (MPI) in the detection of myocardial necrosis.

Methods: A cardiac hybrid imaging database search identified 144 patients with a previous history of ST-segment elevation myocardial infarction treated with coronary revascularization. CCTA and MPI scans were evaluated to determine whether CCTA had an added value to MPI in detecting myocardial necrosis.

Results: Five patients with patent stents and/or bypass grafts and both fixed perfusion defects on MPI and sub-endocardial hypo-perfusion on CCTA were identified. The extent and location of the perfusion defects were closely correlated between the CCTA and SPECT MPI images.

Conclusion: In this series, CCTA and SPECT MPI were found to play a complementary role in the assessment of fixed perfusion defect, with CCTA adding specificity to the diagnosis of myocardial necrosis.

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计算机断层血管造影固定灌注缺损对SPECT心肌灌注成像的补充作用。

目的:我们提出这个病例系列，探讨冠状动脉计算机断层血管造影(CCTA)与SPECT心肌灌注成像(MPI)在心肌坏死检测中的补充作用。方法:在心脏混合成像数据库中检索了144例既往有st段抬高型心肌梗死病史并接受冠状动脉血运重建术的患者。评估CCTA和MPI扫描，以确定CCTA在检测心肌坏死方面是否对MPI有附加价值。结果:我们发现了5例支架和/或旁路移植患者，在MPI上发现了固定灌注缺陷，在CCTA上发现了心内膜下低灌注。灌注缺损的范围和位置与CCTA和SPECT MPI图像密切相关。结论:本系列研究发现，CCTA与SPECT MPI在评估固定灌注缺损中具有互补作用，CCTA对心肌坏死的诊断具有特异性。

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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