ArticleQuantitative imaging in medicine and surgery2026
Left ventricular blood flow kinetic energy by 4D flow magnetic resonance imaging in patients with acute myocardial infarction after revascularization.
Article in Quantitative imaging in medicine and surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Percutaneous coronary intervention (PCI) can quickly restore epicardial coronary blood flow in patients with acute ST-segment elevation myocardial infarction (STEMI) to rescue the ischemic myocardium but it also frequently results in microvascular damage and further myocyte necrosis. The changes in left ventricular (LV) hemodynamics in these patients after PCI are not clearly understood. The main objective of this study was to characterize the parameters of LV blood flow kinetic energy (KE) and to explore the predictive value of these parameters on 4D flow cardiac magnetic resonance (CMR) imaging for poor prognosis in patients with STEMI after PCI. Methods: This prospective study included 32 acute STEMI patients who underwent PCI and 21 healthy controls without heart or lung diseases. All participants underwent CMR examinations and were grouped based on the presence of anterior wall myocardial infarction, microvascular obstruction (MVO), and intra-myocardial hemorrhage (IMH) as well as the LV ejection fraction (EF). KE values were normalized to the LV end-diastolic volume (EDV) to obtain KEi Results: The delayed ejection flow component was significantly higher in the anterior group ( Conclusions: LV KEi
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