International Journal of Medical Sciences

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23 October 2017

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Int J Med Sci 2017; 14(8):772-784. doi:10.7150/ijms.19229

Review

Current Understanding of Dolichoarteriopathies of the Internal Carotid Artery: A Review

Jinlu Yu1, Lai Qu2, Baofeng Xu1, Shouchun Wang3, Chao Li3, Xan Xu1,3✉, Yi Yang3✉

1. Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, P.R. China
2. Department of Intensive Care Unit, The First Hospital of Jilin University, Changchun, 130021, P.R. China
3. Neuroscience Center, Stroke Center, Department of Neurology, The First Hospital of Jilin University, Changchun, 130021, P.R. China

Abstract

Dolichoarteriopathies of the internal carotid artery (DICAs) are not uncommon, and although several studies have investigated DICAs, several questions regarding the etiology and best management course for DICAs remain unanswered. It is also difficult to correlate the occurrence of DICAs with the onset of clinical symptoms. Therefore, we surveyed the literature in PubMed and performed a review of DICAs to offer a comprehensive picture of our understanding of DICAs. We found that DICAs can be classified into three types, specifically tortuous, coiling and kinking, and are not associated with atherosclerotic risk factors. Cerebral hemodynamic changes are mainly associated with the degree of bending of DICAs. DICAs can result in symptoms of the brain and eyes due to insufficient blood supply and can co-occur with a pulsatile cervical mass, a pharyngeal bulge and pulsation. The diagnostic tools for the assessment of DICAs include Doppler ultrasonography, computed tomography angiography (CTA), magnetic resonance angiography (MRA) and digital subtraction angiography (DSA), and although DSA remains the gold standard, Doppler ultrasonography is a convenient method that provides useful data for the morphological evaluation of DICAs. CTA and MRA are efficient methods for detecting the morphology of the cervical segment of DICAs. Some DICAs should be treated surgically based on certain indications, and several methods, including correcting the bending or shortening of DICAs, have been developed for the treatment of DICAs. The appropriate treatment of DICAs results in good outcomes and is associated with low morbidity and mortality rates. However, despite the success of surgical reconstruction, an appropriate therapeutic treatment remains a subject of numerous debates due to the lack of multicentric, randomized, prospective studies.

Keywords: Dolichoarteriopathy, Internal Carotid Artery, Treatment, Review

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How to cite this article:
Yu J, Qu L, Xu B, Wang S, Li C, Xu X, Yang Y. Current Understanding of Dolichoarteriopathies of the Internal Carotid Artery: A Review. Int J Med Sci 2017; 14(8):772-784. doi:10.7150/ijms.19229. Available from http://www.medsci.org/v14p0772.htm