High Versus Low Adductor Canal Block

Status unconfirmed · Phase 4

Conditions studied: Osteo Arthritis Knee

In brief

The investigators will be comparing the efficacy of two different techniques for performing an adductor canal block to the saphenous nerve as a part of the multimodal pain control regimen for total knee arthroplasty. The investigators will be comparing a "low adductor canal block" in which the surgeon administers local anesthetic to the distal aspect of the nerve from the operative site to a "high adductor canal block" in which the anesthesiologist administers the local anesthetic more proximally along the thigh using ultrasound guidance. The investigators will power the study for non-inferiority to compare the newer "low" block to the more commonly performed and more widely studied "high" block.

Key facts

Study ID

NCT04155983

Run by

Carilion Clinic

People needed

140

Starts

2020-03-11

Expected to finish

2021-12-31

Last updated by the study team

2020-10-30

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• All patients undergoing unilateral primary TKA for primary osteoarthritis
• Age over 18

You may not qualify if…

• Pre-operative narcotic use
• Bilateral procedure
• Non-Primary arthroplasty
• Workman's comp
• Inability to have spinal anesthesia (blood thinners)
• Unsuccessful spinal anesthesia
• Inflammatory or Post Traumatic arthritis
• ASA score of 4
• Pregnancy

Where it is running

• Carilion Institute for Orthopaedics & Neurosciences — Roanoke, Virginia, United States (enrolling)

Full record on ClinicalTrials.gov

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