내경동맥 협착 환자의 경대퇴뇌혈관조영술을 통해 분석한 측부순환 형태Patterns of Collateral Pathway on Transfemoral Cerebral Angiography in Patients with Internal Carotid Artery Stenosis
- Other Titles
- Patterns of Collateral Pathway on Transfemoral Cerebral Angiography in Patients with Internal Carotid Artery Stenosis
- Authors
- 손민기; 김재명; 황희영; 신동진
- Issue Date
- Dec-2012
- Publisher
- 대한뇌졸중학회
- Keywords
- 경동맥 협착; 측부순환; 뇌혈관조영술; 단일광자단층촬영; Carotid stenosis; Collateral circulation; Cerebral angiography; Single photon emission computed tomography
- Citation
- 대한뇌졸중학회지, v.14, no.3, pp.142 - 148
- Journal Title
- 대한뇌졸중학회지
- Volume
- 14
- Number
- 3
- Start Page
- 142
- End Page
- 148
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/79429
- DOI
- 10.5853/kjs.2012.14.3.142
- ISSN
- 2287-6391
- Abstract
- Background: In recent studies, by utilizing single photon emission computed tomography (SPECT) and magnetic resonance angiography (MRA), anatomical and functional evaluation became possible. Although MRA is increasingly being used to evaluate vascular status, conventional angiography is still gold standard for investigating anatomical structures. We studied the correlation between internal carotid artery (ICA) stenosis, patterns of collateral pathway, and cerebrovascular reserve using transfemoral cerebral angiography (TFCA) and SPECT. Methods: We studied 54 patients with symptomatic ICA stenosis who were visit to our hospital between Sep 2009 and May 2011. Forms of collateral pathway were classified into primary and secondary pathway group. Severity of ICA stenosis was divided into 4 stages. Vascular reserve on SPECT was classified into favorable and poor groups. Results: As a result of TFCA, collateral pathways were observed in 44 of 54 patients. Collateral flow via anterior communicating artery (AcoA) pattern occupied the highest proportion and other major patterns were collaterals via posterior cerebral artery-middle cerebral artery (PCA-MCA) and via posterior communicating artery (PCoA) pattern. Twentyeight patients were primary pathway group and 16 patients were secondary pathway group. In both groups, most patients had moderate or severe ICA stenosis. As a result of SPECT, favorable vascular reserves were observed in 17 of 54 patients. Most of them had mild ICA stenosis and/or primary collateral pathway. Contrarily, most of secondary pathway group had poor vascular reserve even if their ICA stenosis severity was mild. Conclusion: In patients with symptomatic ICA stenosis with collateral pathways, rate of primary collateral pathways was higher than secondary collateral pathways. Secondary collateral pathways had insufficient compensatory effect about reduced cerebral blood perfusion.
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