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Surgical management of posterior communicating artery aneurysms based on computed tomographic angiography with three-dimensional reconstruction and without preoperative angiography



Surgical management of posterior communicating artery aneurysms based on computed tomographic angiography with three-dimensional reconstruction and without preoperative angiography



Neurocirugia 14(3): 207-215



To demonstrate the usefulness of three-dimensional computed tomographic angiography (CT-3D-angiography) in the microsurgical management of aneurysms of the posterior communicating artery (PComA). A series of 27 patients with aneurysms of the PComA diagnosed by means of CT-3D-angiography and without preoperative angiography (group A) were compared with a series of 34 cases diagnosed by cerebral angiography. The findings of the CT-3D-angiography, angiography, microsurgical exploration and clinical data were evaluated. A total of 75 aneurysms were diagnosed preoperatively in 66 patients and 3 additional lesions were found postoperatively in group A. The sensitivity of the CT-3D-angiography was 91.7% for diagnosis of any aneurysm with an specifity of 100%, being the snsibility of angiography a 100% and its specifity 94.9%. Mortality rate was 4.5% without differences between groups regarding clinical results or complications. Both the preoperative timing and hospitalization time were shorter in group A. The study of patients with acute subarachnoid hemorrhage with CT-3D-angiography allows a reliable diagnosis of PComA aneurysms. Moreover, provides usefull information for the microsurgical clipping. When compared with angiography in the diagnosis of PComA aneurysms, CT-3D-angiography allows to improve some health indicators with similar clinical results and complications.

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Accession: 050463505

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PMID: 12872169


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