Abstract
Neuroimaging plays a pivotal role in Transient Ischemic Attack (TIA). Generally, clinicians focus on the specific changes in morphology and function, but the diagnosis of TIA often depends on imaging evidence. Whereas Traditional Chinese Medicine (TCM) is concerned with the performance of clinical symptoms, they began to use imaging methods to diagnose TIA. CT and MRI are the recommended modality to diagnose TIA and image ischemic lesions. In addition, Transcranial Doppler sonography (TCD) and Digital Subtraction Angiography (DSA) are two acceptable alternatives for diagnosing TIA patients. This article elaborates the update of imaging modalities in clinic and the development of imaging modalities in TCM. Besides, multiple joint imaging technologies also will be evaluated whether enhanced diagnostic yields availably.
Highlights
Cerebrovascular disease is the third commonest cause of death following malignant tumors and cancer, especially ischemic cerebrovascular disease, which has a high risk of paralysis [1].There are nearly 7.5 million Transient Ischemic Attacks (TIAs) worldwide each year [2]
An increasing number of Traditional Chinese Medicine (TCM) doctors have found that imaging is more conducive to the classification and early identification of diseases, which is of great benefit to TCM treatment of TIA
Both clinicians and TCM provide an overview that early detection and treatment of TIA are critical for potential stroke [6]
Summary
Cerebrovascular disease is the third commonest cause of death following malignant tumors and cancer, especially ischemic cerebrovascular disease, which has a high risk of paralysis [1].There are nearly 7.5 million Transient Ischemic Attacks (TIAs) worldwide each year [2]. An increasing number of TCM doctors have found that imaging is more conducive to the classification and early identification of diseases, which is of great benefit to TCM treatment of TIA. Cerebral vascular conditions include the location of stenosis, the degree of stenosis, the time of formation, the collateral circulation, the luminal diameter, and blood flow. The ability to maintain relatively normal cerebral blood flow can be used to evaluate the patient’s risk status and it can be described as a function of perfusion pressures as shown in Figure 1 [18]. Current imaging evaluation methods include Positron emission tomography (PET), Xenon-CT (Xe-CT), and single positron emission computer tomography (SPECT) These techniques are used to evaluate patients by measuring the change of cerebral perfusion loading. Rapid occlusion of internal carotid artery (ICA) trunk may result in a significant decrease in hemodynamic reserve capacity before significant nerve injury occurs
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