Computed Tomographic Angiography Versus Digital Subtraction Angiography for the Postoperative Detection of Residual Aneurysms: a Single-Institution Series and Meta-Analysis

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Downloaded from jnis.bmj.com on October 1, 2011 - Published by group.bmj.com Neuroimaging Computed tomographic angiography versus digital subtraction angiography for the postoperative detection of residual aneurysms: a single-institution series and meta-analysis Nikhil Gautam Thaker,1 Jay D Turner,2 William S Cobb,3 Ibrahim Hussain,1 Nazli Janjua,1 Wenzhuan He,1 Chirag D Gandhi,1,4 Charles Joseph Prestigiacomo1,4,5 1 Department of Neurological Surgery, New Jersey Medical School, University of Medicine and Dentistry of New Jersey, Newark, New Jersey, USA 2 Department of Neurological Surgery, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, Arizona, USA 3 Department of Neurological Surgery, Cornell Medical Center, New York Presbyterian Hospital, New York, USA 4 Department of Radiology, New Jersey Medical School, University of Medicine and Dentistry of New Jersey, Newark, NJ, USA 5 Department of Neurology and Neuroscience, New Jersey Medical School, University of Medicine and Dentistry of New Jersey, Newark, NJ, USA Correspondence to Dr Charles Joseph Prestigiacomo, Department of Neurological Surgery, New Jersey Medical School, University of Medicine and Dentistry of New Jersey, 90 Bergen Street, Suite 8100, Newark, New Jersey, USA; presticj@umdnj.edu Received 13 March 2011 Revised 30 April 2011 Accepted 6 May 2011 ABSTRACT Background Computed tomographic angiography (CTA) has recently emerged as a non-invasive alternative to digital subtraction angiography (DSA) for the detection of residual cerebral aneurysms (RA). Objective To compare the diagnostic accuracy of CTA with the current ‘gold standard’, DSA, in the postoperative detection of RA. Methods Patient data from this single institution were prospectively gathered, and imaging results retrospectively blinded and analyzed. Between 2001 and 2005 eligible patients

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