ABSTRACT
Giant and complex aneurysm of the posterior circulation can pose several technical challenges with high operative morbidity. Recent advances in cardiac surgery have raised interest in the technique of deep hypothermic circulatory arrest for the management of giant and complex intracranial aneurysms of posterior circulation. The criteria for selecting patients for this procedure can be based on a preoperative analysis of available studies that suggests high risk with standard intervention. Using the technique of deep hypothermic circulatory arrest, we have successfully operated on a case of complex basilar tip aneurysm with MoyaMoya disease resulting in no significant neurological complications. We therefore suggest that patients with giant and complex intracranial aneurysms of posterior circulation might benefit from the use of deep hypothermic circulatory arrest technique.