A Randomized Clinical Trial Comparing Open to Mini-Open Rotator Cuff Repair for Full-Thickness Rotator Cuff Tears.

January 14, 2008 updated by: University of Calgary

Prospective Randomized Study Comparing Open Acromioplasty and Rotator Cuff Repair Versus Arthroscopic Acromioplasty and Mini-Open Rotator Cuff Repair.

This study compares standard open rotator cuff repair versus arthroscopic mini-open rotator cuff repair by measuring the disease-specific quality of life at 2 years in patients with full thickness rotator cuff tears.

Hypothesis: There is no difference in disease-specific quality of life outcome at two years between open versus arthroscopic mini-open repair for patients with full-thickness rotator cuff tears.

Study Overview

Detailed Description

Rotator cuff injury affects a diverse group of patients and leads to significant disability with respect to lost time from work and the inability to play sports, thereby affecting the individual's quality of life.

The standard treatment for full-thickness rotator cuff repair is with an open acromioplasty procedure. An alternative procedure for a full-thickness rotator cuff tear is with a combined procedure of arthroscopic acromioplasty and mini-open repair, which has the potential advantages of a preserved deltoid origin, lower perioperative morbidity, shorter hospital stays and less soft tissue dissection. The progression towards arthroscopic repair requires a comparison to the standard, open procedure for full-thickness rotator cuff tears, using validated outcomes in a randomized fashion.

This study is designed as a multi-centre randomized controlled trial with a priori sample size calculation of 28 patients per group. Patients presenting with unremitting pain, failed conservative treatment of at least 3 months, weakness of the rotator cuff and positive imaging indicating a full-thickness rotator cuff tear are eligible for the study. Previous surgery on the affected shoulder and massive rotator cuff tears are excluded. Patients are randomized using computer-generated block randomization, stratified by surgeon, to either open or mini-open rotator cuff repair.

Disease-specific quality of life is assessed using the validated Rotator Cuff Quality of Life Questionnaire, a self-administered, 34-item questionnaire designed specifically to assess patients before and after surgery. It utilizes a visual analog scale scored out of 100, with a higher score reflecting a better quality of life.

Study Type

Interventional

Enrollment (Actual)

73

Phase

  • Not Applicable

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

    • Alberta
      • Calgary, Alberta, Canada, T2N 1N4
        • University of Calgary Sport Medicine Centre
    • British Columbia
      • New Westminster, British Columbia, Canada, V3L 3W7
        • Royal Columbian Hospital
    • Ontario
      • London, Ontario, Canada, N6A 3K7
        • Fowler Kennedy Sport Medicine Centre
      • Toronto, Ontario, Canada, M4Y 1H1
        • Sunnybrook and Women's College Health Sciences Centre

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

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patients with unremitting pain in the affected shoulder who have failed conservative treatment for at least 3 months
  • Weakness of rotator cuff (MRC grades 4-, 4 or 4+)
  • Positive diagnostic imaging on the affected shoulder indicating a full-thickness rotator cuff tear which may include arthrogram, ultrasound or MRI
  • Age > 18 years
  • English speaking

Exclusion Criteria:

  • A massive rotator cuff tear as demonstrated by Grade 3 or less muscle strength on testing internal and external rotation of the affected shoulder
  • Previous surgery to the affected shoulder

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

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Open Repair
A standard vertical incision was made over the anterolateral aspect of the acromion. The deltoid muscle was split and stripped off the anterior aspect of the acromion. The anterior and inferior aspect of the acromion was removed. The coracoacromial ligament was excised. Repair of the tear in the cuff tendon(s) was accomplished by suturing leading edge of the tear into the greater tuberosity of the humerus at or near the original site of insertion of the cuff to bone. Trans-osseous sutures, suture anchors and tendon to tendon suture repair techniques were employed for a secure repair with the arm at the side. The surgeon was allowed to use whatever method(s) to create a secure repair. The deltoid was securely reattached to the acromion with the deltoid fascia repaired down the split.
Other Names:
  • Open repair
Active Comparator: Mini-open Repair
A standard arthroscopic gleno-humeral arthroscopy was performed followed by an arthroscopic acromioplasty. Three standard arthroscopic portals were used. The lateral portal was centered in line with the cuff tear, and incorporated into the mini-open incision. Initially, a partial bursectomy was performed to improve visualization. The inferior surface of the anterior acromion and the coracoacromial ligament were removed. Following the arthroscopic acromioplasty, a 3-4cm lateral incision was performed in the area of the lateral portal. The deltoid muscle was split longitudinally to expose the tear in the rotator cuff. The tear was repaired in a similar manner to the open repair with tendon to tendon sutures, trans-osseous sutures and with suture anchors.
Other Names:
  • Mini-open repair
  • Scope mini-open

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Rotator Cuff Quality of Life Questionnaire (RC-QOL)
Time Frame: Baseline, 3, 6, 12, 24 months
Baseline, 3, 6, 12, 24 months

Secondary Outcome Measures

Outcome Measure
Time Frame
American Shoulder and Elbow Surgeons Score
Time Frame: Baseline, 3, 6, 12, 24 months
Baseline, 3, 6, 12, 24 months
Shoulder Rating Questionnaire
Time Frame: Baseline, 3, 6, 12, 24 months
Baseline, 3, 6, 12, 24 months
Functional Shoulder Elevation Test
Time Frame: Baseline, 6, 12, 24 months
Baseline, 6, 12, 24 months
Range of motion
Time Frame: Baseline, 3, 6, 12, 24 months
Baseline, 3, 6, 12, 24 months
Strength
Time Frame: Baseline, 3, 6, 12, 24 months
Baseline, 3, 6, 12, 24 months

Collaborators and Investigators

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

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

March 1, 1999

Primary Completion (Actual)

October 1, 2005

Study Completion (Actual)

October 1, 2005

Study Registration Dates

First Submitted

November 7, 2005

First Submitted That Met QC Criteria

November 7, 2005

First Posted (Estimate)

November 9, 2005

Study Record Updates

Last Update Posted (Estimate)

January 17, 2008

Last Update Submitted That Met QC Criteria

January 14, 2008

Last Verified

January 1, 2008

More Information

Terms related to this study

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.

Subscribe