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Effect of Preoperative Ultrasound-Guided Stellate Ganglion Block on Postoperative Delirium in Older Adults Undergoing Elective Peripheral Endovascular Intervention
Sponsor: Assiut University
Summary
This randomized controlled trial will evaluate whether preoperative ultrasound-guided stellate ganglion block reduces the incidence of postoperative delirium in adults aged 60 years or older undergoing elective peripheral endovascular interventions. Participants will be randomly allocated in a 1:1 ratio to receive either a right-sided ultrasound-guided stellate ganglion block at the C6 level with 5 mL of 0.375% ropivacaine or a control group. Postoperative delirium will be assessed twice daily during the first 3 postoperative days using the 3-Minute Diagnostic Interview for Confusion Assessment Method-defined Delirium (3D-CAM).
Official title: Effect of Preoperative Ultrasound-Guided Stellate Ganglion Block on Postoperative Delirium in Older Adults Undergoing Elective Peripheral Endovascular Interventions: A Randomized Controlled Trial.
Key Details
Gender
All
Age Range
65 Years - Any
Study Type
INTERVENTIONAL
Enrollment
168
Start Date
2026-10-01
Completion Date
2028-05-01
Last Updated
2026-09-29
Healthy Volunteers
No
Interventions
ropivacaine
5 mL of 0.375% ropivacaine administered during ultrasound-guided right stellate ganglion block at the C6 level approximately 30 minutes before surgery.