Underlying Causes of Myocardial Infarction with Nonobstructive Coronary Arteries: Optical Coherence Tomography and Cardiac Magnetic Resonance Imaging Pilot Study

被引:3
|
作者
Fluder-Wlodarczyk, Joanna [1 ]
Milewski, Marek [1 ]
Roleder-Dylewska, Magda [1 ]
Haberka, Maciej [2 ]
Ochala, Andrzej [1 ]
Wojakowski, Wojciech [1 ]
Gasior, Pawel [1 ]
机构
[1] Med Univ Silesiaia Katowice, Div Cardiol & Struct Heart Dis, PL-40055 Katowice, Poland
[2] Med Univ Silesiaia Katowice, Sch Hlth Sci, Dept Cardiol, PL-40055 Katowice, Poland
关键词
MINOCA; STEMI; NSTEMI; CMR; OCT; WORKING GROUP; DIAGNOSIS; DOCUMENT;
D O I
10.3390/jcm11247495
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: Scientific statements recommend multimodality imaging in myocardial infarction with non-obstructive coronary arteries (MINOCA) to define the underlying cause. Aim: We evaluated the diagnostic yield of intravascular optical coherence tomography (OCT) and cardiac magnetic resonance (CMR) in the MINOCA setting. Methods: In this prospective, single center, observational pilot study, we enrolled patients with MINOCA without previous coronary interventions. All patients underwent three vessel OCT, followed by CMR. Imaging results were combined to determine the mechanism of MINOCA, when possible. Results: We enrolled 10 patients in this pilot study. Women constituted 50% of the analyzed population. The mean age of patients was 52 years. ST-segment elevation was found in 30% of patients. A possible culprit lesion was identified by OCT in 70% of participants, most commonly plaque rupture or erosion. An ischemic pattern of CMR abnormalities was identified in 70% of participants. Myocarditis and Tako-Tsubo were identified in 30%. A cause of MINOCA was identified in all patients using multimodality imaging, while using OCT alone identification occurred in only 70% of patients. Conclusion: In this pilot study, multimodality imaging with OCT and CMR identified potential mechanisms in all patients with a diagnosis of MINOCA, and it has the potential to guide medical therapy for secondary prevention.
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页数:9
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