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Femoral Nerve Block: Anatomical Insertion Point - A Prospective Randomised Double-Blind Controlled Trial

NCT00732706 · Status: UNKNOWN · Phase: NA · Type: INTERVENTIONAL · Enrollment: 60

Last updated 2008-08-12

No results posted yet for this study

Summary

Nerve blocks are an effective way to control pain after surgery. There are two major nerves that provide sensation to the knee: the femoral nerve provides sensation to the front of the knee and sciatic nerve provides sensation to the back of the knee. The femoral nerve has two branches. To locate the nerve, we use a machine called (Nerve stimulator) which is attached to the needle used for nerve block. Use of a nerve stimulator is standard practice for this procedure. Ultrasound is being increasingly used to locate nerves but is not used universally. We will use the nerve stimulator and ultrasound to locate the femoral nerve but patients will randomly be selected to enter a group looking at the stimulation of one or the other branches of the femoral nerve. The two branches when stimulated produce different muscle contractions in the thigh. We do not know from research which is the optimal contraction to position the needle to get the best block. After the knee replacement patients will still have the same analgesic medication available as patients would have received if they were not in the study.

Conditions

  • Femoral Nerve Disease

Interventions

PROCEDURE

Sartorius Muscle Twitch

Stimulation of the femoral nerve branch responsible for activating the Sartorius Muscle fascia with the lowest possible current.

PROCEDURE

Quadriceps Muscle Twitch

Stimulation of the femoral nerve branch responsible for activating the Quadriceps Muscle fascia with the lowest possible current.

Sponsors & Collaborators

  • The Physicians' Services Incorporated Foundation

    collaborator OTHER

  • Sunnybrook Health Sciences Centre

    lead OTHER

Principal Investigators

  • Imad Awad, MD · Sunnybrook Health Sciences Centre

Study Design

Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2008-08-31
Primary Completion
2009-02-28
Completion
2009-02-28

Countries

  • Canada

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00732706 on ClinicalTrials.gov