Total Knee Arthroplasty Clinical Trial
Official title:
Randomized Controlled Study: Comparison of Continuous Femoral Nerve Block and Adductor Canal Block After Total Knee Replacement Therapy Relating to Early Mobilization and Analgesia
The blockade of the femoral nerve (FNB) is the most common postoperative pain therapy after
total knee replacement. Because of motor-driven weakness of the quadriceps muscle induced by
femoral nerve block mobilization of Patients is difficult even dangerous (falls) and
hospital stays are extended.
An alternative method could be an adductor canal block (ACB). Anatomical studies of the
adductor canal demonstrated that the adductor canal contains the saphenous nerve, a pure
sensory nerve for medial and anterior aspects of the knee and the tibia without any motor
function.
This prospective, double-blinded, randomized study investigates the effect of FNB and ACB on
quadriceps motor weakness and analgesia determined by Numeric Rating Scale (NRS).
We expect the ACB to be superior in muscle strength but equal in pain score. Both groups
receive an additional anterior sciatic nerve block for complete sensory block of the
operated knee
n/a
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment
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