A Trial Comparing Adductor Canal Catheter and Intraarticular Catheter Following Primary Total Knee Arthroplasty

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

UNKNOWN

Clinical Phase

PHASE4

Total Enrollment

110 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-01-31

Study Completion Date

2015-11-30

Brief Summary

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The study is a prospective randomized controlled trial comparing intraarticular catheters and adductor canal catheters for postoperative analgesia following a primary Total Knee Arthroplasty (TKA).

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Detailed Description

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The study is a prospective, randomized controlled clinical trial comparing two methods of postoperative analgesia following primary TKA. Eligible primary TKA patients must be ASA I - III and require less than 20 mg oxycodone daily (or its equivalent). Exclusion criteria are: allergy to anesthetics, contraindication to regional anesthesia, sensory/motor disorder involving operative limb, non-english speaking, ASA IV or greater, psychiatric or cognitive disorders, incarceration, renal insufficiency with Cr \> 2.0 and hepatic failure. When patients agree to participate in the study the following data will be collected by the research staff: ASA physical status, age, height, weight, gender, quantitative opiate use, numeric pain score with visual descriptors, painDETECT score (form included), WOMAC score (form included) and baseline Pain Management Questionnaire. When designated through randomization, intra-articular catheters will be placed intraoperatively by the surgeons, per usual protocol. ACC's will be placed postoperatively in the PACU. The catheters will exit the bandage in a similar fashion to blind the personnel collecting data, postoperatively. Those collecting data will not be blinded from identifying patients in the control group, as no catheter will exit the bandage. Potential risks for each procedure, which will be explained to the patient, include: bleeding, local infection, local anesthetic toxicity in the form of seizure and cardiac arrest and neuropathy. The preceding are commonly listed though infrequent complications of both procedures. Continuous ultrasound will guide the placement of the ACC.

Conditions

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Acute Pain Regional Anesthesia Morbidity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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Adductor Canal Catheter

Postoperatively, patients will be brought to the PACU. The needle insertion site, approximately 10cm proximal to their operative knee, will be exposed. A sterile field will be utilized and the femoral artery is identified with a high frequency linear transducer proximal to the operative knee. 18g insulated Tuohy needle will be inserted in an out-of-plane approach through the sartorius muscle to a final location in close proximity to the saphenous nerve. Once satisfied with needle placement and following negative aspiration, 15 cc's of 0.5% ropivicaine will be injected through the needle under visualization. A 20-g multi-orifice catheter will be inserted approximately 4 cm beyond the needle tip and secured.

Group Type EXPERIMENTAL

Adductor Canal Catheter

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Inclusion Criteria

* Age 40-85
* American Society of Anesthesiologists (ASA) Physical Status (PS) 1-3.
* Undergoing Unilateral, Primary, Total Knee Arthroplasty
* English as native language