To collect information on clinical practice and current management strategies in 22 Italian neurosurgical hospitals for patients with aneurysmal subarachnoid hemorrhage.
Ospedale San Gerardo, Neurorianimazione, Dipartimento di Medicina Perioperatoria e Terapie Intensive, Via Pergolesi 33, 20052 Monza, Italy. g.citerio@hsgerado.org