Effects of Nerve Block on Knee Function After Knee Replacement

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

NA

Study Classification

INTERVENTIONAL

Brief Summary

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Early physical therapy after knee surgery is very painful on top of pain from surgery. Pain following surgery can limit recovery. One way to treat pain is by giving intravenous (IV) pain medication with morphine. Another method is to use a "nerve block" which involves placing a thin catheter (tube) into the lower back near the nerves that sense pain in the knee and give a local anesthetic to numb the nerves. Sometimes both methods are used together. This research is being done to determine whether nerve blocks with a local anesthetic improve knee recovery in addition to providing pain relief as compared to IV pain medicine alone

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Detailed Description

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Conditions

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Postoperative Pain

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Blinding Strategy

DOUBLE

Interventions

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Nerve block

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Age 21-80 year old
* ASA Physical Status ASA I and II
* Mentally competent
* Intellectually competent
* Body mass index \<35
* No severe cardiac diseases
* No severe pulmonary diseases
* Unilateral knee disease
* No other lower extremity joint disease
* No chronic narcotic therapy or illicit drug use

Exclusion Criteria

* Age \<21 or \>80 year old
* ASA Physical Status \>ASA II
* Mentally incompetent
* Intellectually incompetent or cognitively impaired
* Non-English speaking patient
* Worker's compensation patient
* Body mass index \> 35
* Bilateral knee disease
* Has other lower extremity joint disease
* Severe cardiac diseases
* Severe pulmonary diseases
* Chronic narcotic therapy or illicit drug use
* Pregnancy

Minimum Eligible Age

21 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No