Dexamethasone Versus Demedetomidine Addition for Adductor Canal Block

Dexmedetomedine Versus Dexamethasone in Ultrasound Guided Adductor Canal Block for Patients Undergoing Knee Arthroscope

Single-injection peripheral nerve block (PNB) is commonly used for perioperative analgesia and anesthesia. Three approaches for extending the duration of PNB include continuous PNB with catheter-based techniques, novel local anesthetics delivery systems and addition of novel adjuvants to local anesthetics.

Inclusion Criteria:

• elective operation
• ASA STATUS I and II

Exclusion Criteria:

• patient refusal
• ASA status III and IV
• contraindications to local anesthesia