title: Endovascular treatment of Hunt and Hess grade IV and V aneurysms.
authors.forename: J
authors.initials: J
authors.lastname: van Loon
authors.forename: G
authors.initials: G
authors.lastname: Wilms
mesh_terms: D004621:Embolization, Therapeutic; D006438:Hemodilution; D006801:Humans; D002532:Intracranial Aneurysm / Q000145:classification / Q000401:mortality / Q000628:therapy*; D010043:Outcome and Process Assessment, Health Care; D013345:Subarachnoid Hemorrhage / Q000145:classification / Q000401:mortality / Q000628:therapy*; D015996:Survival Rate; D020301:Vasospasm, Intracranial / Q000401:mortality / Q000517:prevention & control