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JOURNAL OF NEUROSURGICAL SCIENCES
Rivista di Neurochirurgia
Indexed/Abstracted in: e-psyche, EMBASE, PubMed/MEDLINE, Neuroscience Citation Index, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,651
Journal of Neurosurgical Sciences 2002 Marzo;46(1):4-9
Use of spiral computerized tomography angiography in patients with cerebral aneurysm. Our experience
Caruso R. 1, Colonnese C. 2, Elefante A. 2, Innocenzi G. 1, Raguso M. 1, Gagliardi F. M. 1
1 Department of Neurosurgery, IRCCS Neuromed, Molise;
2 Department of Neuroradiology, IRCCS Neuromed, Molise
Background. The purpose is to highlight the usefulness of CT angiography (CTA) in the diagnosis and surgical treatment of cerebral aneurysms.
Methods. Thirty-one patients with subarachnoid haemorrhages were subjected to CT angiography and in those cases where this test did not reveal the aneurysm or did not supply sufficient information relating to it, subsequently a digital subtraction angiography was also performed. Each aneurysm-positive CTA was re-processed using the 3-D techniques, with the neuro-radiologist and the neuro-surgeon working in close co-operation.
Results. In 27 cases the CTA diagnosed an aneurysm, and in the 4 cases where no vascular malformations were revealed, also the traditional angiography did not show any pathology.
In 17 out of 18 cases operated on in order to clip the aneurysm, the CTA supplied all the information needed for the surgery and it was possibile to reconstruct images similar to those of the surgical field. This led to improvement in the programming of the surgical intervention; in 1 case only was it also necessary to perform the DSA before the operation.
Conclusions. CT angiography, because it is non-invasive, easy to perform, diagnostically reliable, and because the 3-D re-constructions offer the chance to create images of the possible operating field, is the first-choice test to be adopted in the treatment of subarachnoid haemorrhages, even though in some cases the use of the traditional angiography is still necessary and should be carried out whenever the CTA does not reveal vascular malformations.