Stellate Ganglion Block in Preventing Cerebral Vasospasm Secondary to Subarachnoid Hemorrhage
Subarachnoid Hemorrhage, Aneurysmal, Cerebral Vasospasm
About this trial
This is an interventional prevention trial for Subarachnoid Hemorrhage, Aneurysmal focused on measuring Stellate Ganglion Block, Subarachnoid Hemorrhage, Cerebral Vasospasm, Transcranial Doppler Ultrasonography
Eligibility Criteria
Inclusion Criteria:
- 1.Emergency patients with subarachnoid hemorrhage caused by ruptured aneurysm, aged 18-65 years; 2. ASA : II-IV grade, Hunt-Hess : I-III grade 3. For the first case, the operation time is within 24 hours. 4.After signing informed consent, underwent interventional intravascular embolization
Exclusion Criteria:
- 1. Patients with severe bleeding disorders; 2. Patients with trauma and local infection risk in the nerve block area; 3. Patients with previous aneurysm surgery and unruptured aneurysm; 4. Aneurysm located in middle cerebral artery; 5. Patients with unconsciousness cannot cooperate with the block operation; 6. Those with a history of mental illness and epilepsy; 7. Those who have a history of severe cardiovascular and cerebrovascular diseases and severe organ diseases;
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
Stellate Ganglion Block
No Stellate Ganglion Block
Experimental patients will receive a stellate ganglion block with 0.25% ropivacaine 10mL on the same side of vasospasm at the level of the sixth cervical vertebrae (C6) before surgery. Patients were then assessed using transcranial Doppler
patients will receive a stellate ganglion block with 0.9% saline 10mL on the same side of vasospasm at the level of the sixth cervical vertebrae (C6) before surgery. Patients were then assessed using transcranial Doppler