Comparison Between Combined Biceps Femoris Short Head Block and Adductor Canal Block Versus Genicular Nerve Block

Enhanced Analgesia in Elderly After Total Knee Arthroplasty Using Combined Biceps Femoris Short Head Block and Adductor Canal Block Versus Genicular Nerve Block

The purpose of this study is to compare the analgesic outcomes (time to first analgesic request, total amount of analgesic consumption, and pain scores) following total knee arthroplasty by either combined biceps femoris short head block and adductor canal block or genicular nerve block in elderly patients.

Inclusion Criteria:

• patient acceptance
• Physical status: ASA I, II and Ⅲ.
• Body mass index (BMI): 18.5 - 35 kg/m2.
• Type of operations: total knee arthroplasty.

Exclusion Criteria:

• Known hypersensitivity to dexamethasone or bupivacaine.
• Coagulation disorders or taking drugs affect surgical hemostasis.
• Patients with pre-existing neurological deficits.
• Uncooperative patient or with altered mental status.
• Patient with advanced cardiovascular or respiratory diseases or uncontrolled diabetes