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This protocol outlines the systematic administration of Ropivacaine injections for effective anesthesia during knee and hip surgical procedures. Utilizing 100 ml of 0.2% Ropivacaine with 0.5 mg of adrenaline, injections are strategically placed in the posterior capsule, PCL, and soft tissue surrounding surgical sites. The technique includes infiltration along the medial and lateral margins of the incision and around key anatomical landmarks, enhancing pain management. Follow-up infusions are also detailed to maintain optimal anesthesia throughout the procedure.
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Injections No 1 & 2 • 100 ml Ropivacaine 0.2% • 0.5mg adrenaline • + - Ketoralac 30 mg
1st 50 mls: posterior capsule, PCL, deep to collaterals and retractor sites (medial and lateral proximal tibial metaphysis)
2nd 50 mls: Along medial and lateral margins of incision through quads tendon and capsule, then, fat pad & suprapatellar synovium + margins of lateral release incision if performed
Injection 3 & 4 • 100ml 0.2% ropivacaine • No adrenaline
3rdinjection Superficial infiltration50 to 100 mls 0.2% ropivacaine
Infusion • Knee 100ml 1% Ropivacaine 0.5 mg adrenaline • Hip 100ml 0.2% Ropivacaine 10ml 1.0% Ropivacaine 0.5 mg adrenaline