Trans-nasal Sphenopalatine Ganglion Block for Prevention of Emergence Agitation Following Functional Endoscopic Sinus Surgery

Exclusion Criteria

• •ASA physical status III or higher.
• •Known allergy or contraindication to local anesthetics.
• •Coagulopathy or anticoagulant therapy.
• •Psychiatric illness or cognitive impairment affecting agitation assessment.
• •Chronic opioid use or substance abuse.
• •Pregnancy or lactation.
• •Revision nasal surgery or anatomical abnormalities preventing SPGB.
• •Intraoperative complications requiring deviation from the study protocol.