Abstract
Currently, a popular form of pain control following total knee arthroplasty is the use of periarticular injections; how the medications are injected is a critical step in the efficacy of this modality. The setup includes the injection fluid and two control syringes with a 22-gauge needle. Inject around the femur before placing the implants. This is another area of rich innervation that needs to be injected carefully. Use a similar technique of slow small-volume injections, watching for the periosteal wheal or elevation off the bone. Include the lateral gutter and proximal extensor mechanism as well as around the patella, with minimal injection into the skin. Careful injection technique improves the outcome of periarticular injections for pain control. Indications ContraindicationsPitfalls & Challenges.
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