Can Computed Tomographic Angiogram Diagnose Cerebral Vasospasm? Correlation between Vessel Measurements using Conventional Angiography and Computed Tomographic Angiography

Neurosurgery ◽  
2006 ◽  
Vol 58 (2) ◽  
pp. 411
Author(s):  
Sherise Ferguson ◽  
David S. Rosen ◽  
Diana Bardo ◽  
R Loch Macdonald
Keyword(s):  
Cerebral Vasospasm ◽  
Computed Tomographic Angiography ◽  
Conventional Angiography ◽  
Computed Tomographic ◽  
Tomographic Angiography

Evaluation of Vasospasm after Subarachnoid Hemorrhage by Use of Multislice Computed Tomographic Angiography

Neurosurgery ◽  
2002 ◽  
Vol 51 (4) ◽  
pp. 939-943 ◽  
Author(s):  
Yasunari Otawara ◽  
Kuniaki Ogasawara ◽  
Akira Ogawa ◽  
Makoto Sasaki ◽  
Kei Takahashi
Keyword(s):  
Subarachnoid Hemorrhage ◽  
Cerebral Vasospasm ◽  
Aneurysmal Subarachnoid Hemorrhage ◽  
Cerebral Arteries ◽  
Computed Tomographic Angiography ◽  
Computed Tomographic ◽  
Tomography System ◽  
Middle Cerebral Arteries ◽  
Multislice Images ◽  
Tomographic Angiography

Abstract OBJECTIVE Multislice computed tomographic angiography (CTA) can provide clearer vascular images, even of the peripheral arteries, than conventional CTA. Multislice CTA was compared with digital subtraction angiography (DSA) for the detection of cerebral vasospasm in patients with acute aneurysmal subarachnoid hemorrhage (SAH) to analyze whether multislice CTA can replace DSA in the detection of vasospasm after SAH. METHODS Within 72 hours after the onset of symptoms, multislice CTA and DSA were performed in 20 patients with SAH. Multislice CTA and DSA were repeated on Day 7 to assess cerebral vasospasm. Regions of interest were established in the proximal and distal segments of the anterior and middle cerebral arteries on both multislice CTA and DSA images, and the agreement between the severity of vasospasm on multislice CTA and DSA images was statistically compared. The multislice Aquilon computed tomography system (Toshiba, Inc., Tokyo, Japan) used the following parameters: 1 mm collimation and 3.5 mm per rotation table increment (pitch, 3.5). RESULTS The degree of vasospasm as revealed by multislice CTA correlated significantly with the degree of vasospasm revealed by DSA (P < 0.0001). The agreement between the severity of vasospasm on multislice images obtained via CTA and DSA in the overall, proximal, and distal segments of the cerebral arteries was 91.6, 90.8, and 92.3%, respectively. CONCLUSION Multislice CTA can detect angiographic vasospasm after SAH with accuracy equal to that of DSA.

scholarly journals Assessing the quality of angiographic display of brain blood vessels aneurysms compared to intraoperative state

2013 ◽  
Vol 70 (12) ◽  
pp. 1117-1123 ◽  
Author(s):  
Igor Nikolic ◽  
Goran Tasic ◽  
Vladimir Jovanovic ◽  
Nikola Repac ◽  
Aleksandar Janicijevic ◽  
...  
Keyword(s):  
Blood Vessels ◽  
Computed Tomographic Angiography ◽  
Conventional Angiography ◽  
Computed Tomographic ◽  
Advantages And Disadvantages ◽  
Spatial Reconstruction ◽  
Clinical Center ◽  
Preoperative Diagnostic ◽  
Clear Visibility ◽  
Tomographic Angiography

Background/Aim. Aneurysms in brain blood vessels are expanding bags composed of a neck, body and fundus. Clear visibility of the neck, the position of the aneurysm and surrounding structures are necessary for a proper choice of methods for excluding the aneurysm from the circulation. The aim of this study was to evaluate the reliability of spatial reconstruction of blood vessels of the brain based on the original software for 3D reconstruction of the equipment manufacturer and a personal computer model developed earlier in the Clinic for Neurosurgery, Clinical Center of Serbia, Belgrade, compared to intraoperative identification of these aneurysms. Methods. This study included 137 patients of both sexes. The presence of an aneurysm was verified by angiographic methods [computed tomographic angiography (CTA), multislice computed tomography angiography (MSCTA), magnetic resonance imaging angiography (MRA), or digital subtraction angiography (DSA)]. Results. The quality score (0 to 5) for CTA was 3.180 ? 0.961, MSCTA 4.062 ? 0.928, and for DSA 4.588 ? 0.758 (p < 0.01). The results of this study favorite conventional angiography as the gold standard for diagnostic of intracranial aneurysms. Conclusion. The results of this study are consistent with current publications review and clearly recognize the advantages and disadvantages of diagnostic neuroradiological procedures, with DSA of brain blood vessels as a binding preoperative diagnostic procedure in cases in who it is not possible to clearly visualize the supporting blood vessel and neck of the aneurysm by using the findings of CTA, MRA and MSCTA.

Utility of Three-dimensional Computed Tomographic Angiography for Assessment of Relationships between the Vertebrobasilar System and the Cranial Base

Neurosurgery ◽  
2001 ◽  
Vol 48 (2) ◽  
pp. 318-327 ◽  
Author(s):  
Alan T. Villavicencio ◽  
Linda Gray ◽  
Jean-Christophe Leveque ◽  
Takanori Fukushima ◽  
Sohaib Kureshi ◽  
...  
Keyword(s):  
Basilar Artery ◽  
Three Dimensional ◽  
Cranial Base ◽  
Computed Tomographic Angiography ◽  
Conventional Angiography ◽  
Computed Tomographic ◽  
Vertebrobasilar System ◽  
Tomographic Angiography ◽  
Relationship Of ◽  
The Relationship

Abstract OBJECTIVE The optimal surgical exposure for basilar tip aneurysms is dictated by the relationship of the basilar bifurcation to the cranial base. This study was designed to evaluate three-dimensional computed tomographic angiography as a means of obtaining detailed anatomic information on the basilar artery and the surrounding cranial base in individual patients before surgery. METHODS We studied 30 patients using three-dimensional computed tomographic angiographic reconstructions from 1-mm computed tomographic slices. Detailed anatomic measurements were performed to define the relationship between the basilar artery and the cranial base. Particular attention was paid to the height of the dorsum sellae and its relationship to the basilar bifurcation. RESULTS The heights of the basilar apex and the vertebrobasilar junction, relative to the cranial base, were extremely variable. Considerable asymmetries in the heights of the left and right posterior clinoid processes were identified; in one case, this difference was more than 1 cm (mean difference in height, 0.9 mm; range, 0–10.3 mm). The heights of the posterior clinoid processes above the sellar floor ranged from 5.8 to 14.1 mm (mean height, 9.5 mm). We were able to determine the feasibility of the pterional/orbitozygomatic, middle fossa/anterior petrosal, and presigmoid retrolabyrinthine approaches to an individual basilar bifurcation. We also estimated the amount of bone removal required and determined the operative distances via those approaches. CONCLUSION Three-dimensional computed tomographic angiography is a useful tool for assessing critical anatomic relationships and represents an adjunct to conventional angiography in the planning of individualized, precisely tailored, cranial base approaches to the vertebrobasilar system.

Sign in / Sign up

Export Citation Format

Share Document