The need for repeat angiography in subarachnoid haemorrhage |
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Authors: | H. Urbach J. Zentner L. Solymosi |
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Affiliation: | (1) Department of Neuroradiology, University of Bonn, Sigmund-Freud-Strasse 25, D-53127 Bonn, Germany Tel. +49-228-287-65 18; fax +49-228-287-55 98, DE;(2) Department of Neurosurgery, University of Bonn, Sigmund-Freud-Strasse 25, D-53127 Bonn, Germany, DE |
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Abstract: | This study was designed to assess the necessity for a second angiogram study in patients in whom initial angiography after primary subarachnoid haemorrhage (SAH) was negative. During a 12-year period, 122 of 694 patients (17.5 %) had negative initial angiograms. CT, available for 98 patients, showed a preponderance of subarachnoid blood in the perimesencephalic cisterns in 50 of 73 patients (68.5 %) in whom blood was visible on CT. Angiography, repeated in 67 patients, revealed an aneurysm in 4 (6 %): 2 had an aneurysm of the anterior communicating artery, 1 of the posterior inferior cerebellar artery, and 1 of the P2 segment of the posterior cerebral artery. CT showed subarachnoid blood in the interpeduncular and ambient cisterns in this last case, and a preponderance of subarachnoid blood outside the perimesencephalic cisterns in the remaining 3 patients. Received: 14 March 1997 Accepted: 2 May 1997 |
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Keywords: | Subarachnoid haemorrhage Angiography Computed tomography |
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