Arthroscopic knee injuries, such as the anterior cruciate ligament (ACL) injury, are common and often result in postoperative pain. Regional anesthetic techniques, such as femoral nerve block (FNB) and adductor canal block (ACB), can help alleviate pain and reduce opioid consumption. ACB, which blocks the saphenous nerve and obturator nerve branches, is preferred over FNB due to its potential to decrease mobility and increase falls risk. Dexamethasone, a potent glucocorticoid, is used as an adjuvant for ACB, but its perineural administration may carry neurotoxicity risks. Some pain physicians prefer intravenous administration to prolong the action of local anesthetics used in peripheral nerve blocks.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
123
Dexamethasone, a potent glucocorticoid, decreases the inflammatory response, tissue damage, and pain after surgical procedures; which can be injected locally or Intravenously.
Isobaric bupivacaine (0.375%) is injected into the adductor canal deeply to the sartorius muscle around the saphenous nerve after ensuring negative aspiration space.
20 ml of Bupivacain 0.5% was mixed with dexamethasone 8 mg is injected into the adductor canal deeply to the sartorius muscle around the saphenous nerve after ensuring negative aspiration space.
Benha faculty of Medicine
Banhā, El Qalyoubia, Egypt
Proportion of patients reporting at least a 50% reduction in pain (measured by Numerical Rating Scale) post-arthroscopic ACL management.
Value of administration of dexamethasone enhancing the analgesic action of bupivacaine used in ACB after arthroscopic management of the ACL.
Time frame: 6 months
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