Medial Patellofemoral Ligament Reconstruction: A Review of Technique, Accuracy, and Outcome (MPFL)

February 12, 2014 updated by: Robert Burks, University of Utah
The purpose of this retrospective study was to determine the accuracy of femoral tunnel placement utilizing Redfern et al's radiographic method for anatomic femoral attachment during MPFL reconstruction in addition to the resultant outcome.

Study Overview

Status

Completed

Conditions

Detailed Description

Reconstruction of the medial patellofemoral ligament (MPFL) has been shown to be an effective treatment for recurrent patellar instability, There has been some concern in the literature about the accuracy of femoral tunnel placement and the effect that it might have on patient outcomes.

The investigators evaluated the accuracy of MPFL placement using an intraopetative fluoroscopy technique and to assess subsequent patient outcomes.

All patients undergoing MPFL reconstruction using an intraoperative fluoroscopically guided technique between 2005 and 2010 were identified. A retrospective review of their charts and radiographs were performed and the subjects were brought back for a follow up exam, radiographic series, and Kujala questionaire.

Study Type

Observational

Enrollment (Actual)

13

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Utah
      • Salt Lake City, Utah, United States, 84108
        • University Of Utah Orthopedics Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 80 years (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

A single surgeon experience beginning in 2005 with patient's undergoing MPFL reconstruction using intra-operative fluoroscopy for proper placement of the femoral tunnel.

Description

Inclusion Criteria:

  • Patients having undergone the MPFL procedure, starting January 1, 2005 through February 3, 2010
  • Minimum follow up of 24 months

Exclusion Criteria:

  • Pregnant women
  • Under 18 years of age
  • Previously undergone prior MPFL surgery
  • Participated in any previous research studies involving the use of ionizing radiation (either radioisotopes or diagnostic x-rays during the past 12 months.
  • The participant should not volunteer for other research studies involving the use of ionizing radiation within 12 months of completing the current study.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Radiograph measurements
Time Frame: 5 years
5 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Utah

Investigators

  • Principal Investigator: Robert T Burks, MD, University of Utah Orthopaedic Center

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

May 1, 2010

Primary Completion (Actual)

December 1, 2013

Study Completion (Actual)

December 1, 2013

Study Registration Dates

First Submitted

July 27, 2011

First Submitted That Met QC Criteria

July 28, 2011

First Posted (Estimate)

July 29, 2011

Study Record Updates

Last Update Posted (Estimate)

February 14, 2014

Last Update Submitted That Met QC Criteria

February 12, 2014

Last Verified

February 1, 2014

More Information

Terms related to this study

Other Study ID Numbers

  • 39977

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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