[Necessity for conducting bilateral cerebral angiography in patients with subarachnoid hemorrhage].

In a 47-year-old women two subarachnoid haemorrhages developed with paralysis of the right oculomotor nerve. A big aneurysm on the right internal carotid artery was closed with a clip from intracranial approach. Seven months later the left oculomotor nerve was paralysed without haemorrhage. Another operation was done on the contralateral side clipping the aneurysm on the left carotid artery. The patient tolerated well both operations. The necessary of control postoperative angiography is stressed.