• A Rajesh, A Praveen, A K Purohit, and B P Sahu.
• Department of Neurosurgery, Nizam's Institute of Medical Sciences, Punjagutta, Hyderabad 500 082, India. drarajesh1306@gmail.com
• J Clin Neurosci. 2010 Oct 1; 17 (10): 1294-7.

AbstractMultiple intracranial aneurysms located bilaterally in the anterior circulation are usually clipped sequentially by separate craniotomies or a bilateral craniotomy. However, in selected patients, bilateral aneurysms can be clipped on both sides in a single sitting through a unilateral approach and unilateral craniotomy without causing morbidity. We present our technique and results of bilateral aneurysms clipped through a unilateral craniotomy from the ruptured aneurysm side. Ten patients (between 2006 and 2008) aged 20years to 67years with bilateral supratentorial anterior circulation saccular aneurysms, World Federation of Neurological Surgeons Scale (WFNS) score subarachnoid hemorrhage (SAH) grades 1 and 3, Fisher grades 2 and 3, were operated with unilateral orbito-pterional craniotomy and clipping of bilateral aneurysms. A total of 23 aneurysms, 12 located contralaterally, were successfully clipped with a good outcome in nine patients and no mortality at all. We therefore conclude that the unilateral orbito-pterional approach can be safely employed in selected patients harboring bilateral supratentorial saccular aneurysms and presenting with SAH, having WFNS grade 1 to 3, Fisher grade up to grade 3. The brain must be lax intra-operatively. Wide opening of the basal cisterns, 3rd ventriculostomy, and clipping of ruptured aneurysms are the important steps to be performed first before clipping the contralateral aneurysm thus avoiding a second craniotomy.Copyright 2010 Elsevier Ltd. All rights reserved.

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