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Computed tomography and Single Photon Emission CT imaging before and after endarterectomy in carotid artery stenosis
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Abstract
Computed tomography examinations were performed using Siemens ART. Slice thickness was 10 mm and 5 mm for posterior fossa imaging. A group of 16 patients was analysed. There were 6 females and 10 males aged 49-71 years (mean 58.5). Six patients had ischemic cerebral stroke and 2 patients had TIA incidents during last 3-10 months before surgical treatment. One patient had asymptomatic stenosis of ICC with pronounced murmur. In all patients stenosis of ICA of 75-85% was seen in doppler examination. Computed tomography examinations performed befor endarterectomy showed changes in 7 cases of stroke. Single Photon Emission CT examinations performed before surgery in all cases showed focal disturbances of cerebral blood flow (reduced uptake or cumulation defect of 99mTc-HMPAO). Examinations repeated after endarterectomy showed improvement of cerebral blood flow with increased marker uptake. Single Photon Emission CT is a successfull method for monitoring cerebral blood flow changes as a result of endarterectomy
Abstract
Computed tomography examinations were performed using Siemens ART. Slice thickness was 10 mm and 5 mm for posterior fossa imaging. A group of 16 patients was analysed. There were 6 females and 10 males aged 49-71 years (mean 58.5). Six patients had ischemic cerebral stroke and 2 patients had TIA incidents during last 3-10 months before surgical treatment. One patient had asymptomatic stenosis of ICC with pronounced murmur. In all patients stenosis of ICA of 75-85% was seen in doppler examination. Computed tomography examinations performed befor endarterectomy showed changes in 7 cases of stroke. Single Photon Emission CT examinations performed before surgery in all cases showed focal disturbances of cerebral blood flow (reduced uptake or cumulation defect of 99mTc-HMPAO). Examinations repeated after endarterectomy showed improvement of cerebral blood flow with increased marker uptake. Single Photon Emission CT is a successfull method for monitoring cerebral blood flow changes as a result of endarterectomy
Keywords
endarterectomy; cerebral stroke; single photon emission computed tomography (SPECT); computed tomography (CT)
About this articleTitle
Computed tomography and Single Photon Emission CT imaging before and after endarterectomy in carotid artery stenosis
Journal
Interdisciplinary Problems of Stroke
Issue
Pages
1-6
Published online
2002-04-25
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1068
Article views/downloads
2267
Bibliographic record
Udar Mózgu. Problemy Interdyscyplinarne 2001;3(1):1-6.
Keywords
endarterectomy
cerebral stroke
single photon emission computed tomography (SPECT)
computed tomography (CT)
Authors
Małgorzata Pięta
Stanisław Ochudło
Grzegorz Opala
Jan Gniadek
Krzysztof Ziaja
Ewa Piętka
Anna Zymon-Zagórska