Three Different Approaches for Ultrasound Guided Femoral Nerve Block for Patients Undergoing Total Knee Arthroplasty

Chicago Anesthesia Pain Specialists108 enrolled

Overview

Patients scheduled to have a surgery for Total Knee Arthroplasty will be assigned to one of three groups, each group will use a different approach using the ultrasound to guide the femoral nerve block as part of their treatment for controlling pain post-operatively.

This will be a prospective, single-blinded, randomized study. The patients will be randomly assigned to one of three groups: Group I - single shot femoral nerve block Group II - continuous femoral nerve block - non stimulating catheter Group III - continuous femoral nerve block - stimulating catheter

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

SUPPORTIVE_CARE

Masking

SINGLE

Enrollment

108

Conditions

Knee Arthroplasty

Interventions

Femoral nerve blockPROCEDURE

A visible or palpable cephalad movement of the patella will confirm needle placement.

Femoral nerve block non stimulating catheterPROCEDURE

A visible or palpable cephalad movement of the patella will confirm needle placement. The catheter will be placed with the nerve stimulator powered off.

Femoral nerve block stimulating catheterPROCEDURE

A visible or palpable cephalad movement of the patella will confirm needle placement. The catheter will be placed with the nerve stimulator powered on.

Eligibility

Sex: ALLMin age: 18 YearsMax age: 90 Years

Medical Language ↔ Plain English

Inclusion Criteria: * 18- 90 years old * Scheduled for total knee arthroplasty Exclusion Criteria: * Redo surgery on the same knee * BMI ≥45 * Radicular pain in the same leg * Allergy to local anesthetics * Opioid habituation * Pregnancy * Contraindication to regional block * Inability to communicate with hospital staff or investigators. * Neuropathy of any etiology in the surgical extremity.

Locations (1)

Chicago Anesthesia Pain Specialists

Chicago, Illinois, United States

Outcomes

Primary Outcomes

Change in the Numeric Rating Pain Score

At the conclusion of the surgery time 0, at 15, 30, and 45 minutes, at 1, 12, 24, 48 hours, and day 3, 7, 14, and 30 after the surgery.

Time frame: Postoperative

Secondary Outcomes

Change in the ability to move the knee

At the conclusion of the surgery time 0, at 15, 30, and 45 minutes, at 1, 12, 24, 48 hours, and day 3, 7, 14, and 30 after the surgery.

Time frame: Postoperative

Change in Supplemental pain medications

At the conclusion of the surgery time 0, at 15, 30, and 45 minutes, at 1, 12, 24, 48 hours, and day 3, 7, 14, and 30 after the surgery.

Time frame: Postoperative

Data from ClinicalTrials.gov

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