Research Progress of Multimodal Imaging in the Evaluation of Coronary Microcirculation Disorders
Coronary microcirculation dysfunction(CMD)is a clinical syndrome of myocardial ischemia caused by abnormal structure or function of coronary arterioles under the joint action of a variety of pathogenic factors.Patients with CMD have significantly increased risk of adverse cardiovascular events.Myocardial perfusion imaging is an important noninvasive method to evaluate myocardial microcirculation and to determine the prognosis and adverse events of cardiovascular diseases.At present,the commonly used imaging techniques include computed tomography,cardiac magnetic resonance,single photon emission computed tomography,positron emission computed tomography,transthoracic Doppler ultrasound and other methods,which have high accuracy in the evaluation of myocardial ischemia.With the continuous development of imaging technology,imaging omics has played an increasingly important role in clinical diagnosis,which provides the possibility for early prediction and prognosis of diseases.This article reviewed the application of different imaging techniques in the diagnosis of CMD,discussed their different roles in clinical diagnosis,and looked forward to the potential value of radiomics in the evaluation of CMD.Through comparative analysis,it aimed to provide a more comprehensive diagnostic strategy for CMD in clinical practice and provide reference for future research directions.
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