[Preoperative treatment of arterial spasm and preparation of the patient for surgery of intracranial aneurysm].

In spite of various clinical status and timing in surgical treatment of ruptured intracranial aneurysm, some general rules can be put in practice at the preoperative period. Rebleeding prevention by sedation and bedrest seems better than antifibrinolytic therapy which can induce delayed ischemic syndrome and/or hydrocephalus. Most important of treatment regimen appears to be a good hemodynamic stability with hypervolemic hemodilution and hydroelectrolytic control for compensating hyponatremia. Calcium blockers precociously given can be discussed in case of high ICP.