Molar Sodium Lactate Filling in Severe Meningeal Hemorrhage

Inclusion Criteria

• •Any patient over 18 years of age with severe meningeal hemorrhage defined by a WFNS≥3 score will be included in the study.
• •Treated by endovascular embolization or surgically within 48 hours
• •After obtaining the informed consent of the patient, or his relatives if he is not searchable (coma).
• •Affiliation to a social security system
• •After an adapted preliminary medical examination