Operative or Conservative Treatment for Subacromial Impingement Syndrome?

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

NA

Total Enrollment

210 participants

Study Classification

INTERVENTIONAL

Study Start Date

2005-02-28

Study Completion Date

2024-12-31

Brief Summary

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pShoulder impingement syndrome is common and number of operations done per year is growing. The aim of this study is to compare the value of arthroscopic subacromial decompression (acromioplasty group) vs. diagnostic arthroscopy (control group) vs. supervised exercise therapy (conservative group) on subjects with chronic subacromial impingement syndrome. The results of treatment are measured at 3 months, 6 months, 12 months, 24 months, 5 years and 10 years. Primary outcome measures are pain at rest and activity (VASs) and secondary outcomes are functional assessment of the shoulder with Constant score and Simple Shoulder test (SST), global assessment of change , quality of life assessment (SF-36 and 15D) and costs. At 10 year follow-up, MRI imaging is obtained and the findings compared to baseline imaging.

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Detailed Description

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Applicant information:

Name: Mika Paavola, MD, PhD Address: Helsinki University Central Hospital, Töölö Hospital, Topeliuksenkatu 5, P.O. Box 266, FIN-00029 HUS, Finland Tel: +358 50 523 8382 Fax: +358 9 471 87481 Email: [email protected]

Trial record details:

Protocol / serial number: N/A Title: Arthroscopic decompression versus diagnostic arthroscopy without subacromial decompression versus supervised exercise therapy in treatment of subacromial impingement syndrome. A blinded randomized controlled trail.

Acronym: N/A Study hypothesis: Operative and diagnostic arthroscopy is equally effective as conservative treatment (supervised exercise therapy) alone for subacromial impingement syndrome.

Research ethics review: Ethics committee approval from the Ethics Committee of the Hospital Districts of Pirkanmaa, date 28.12.2004 (ETL code R04200) Study design: Randomized controlled trial

Participants - inclusion criteria: In the first phase orthopaedists select consecutive female or male patients who are admitted to the hospital policlinic of Helsinki University Hospital, (either Töölö Hospital or Jorvi Hospital) or District Hospital of Tampere (Hatanpää Hospital) and fulfill the following inclusion criteria:

1. Subjects are 35 to 65 years of age female or male and have a characteristic history and symptoms of subacromial impingement syndrome at least 3 months.
2. Symptoms have no relieved with appropriate conservative treatment (i.e. physiotherapy, NSAIDs and subacromial corticosteroid injection).
3. They have clinical findings of impingement syndrome; painful arc sign and pain in shoulder abduction, positive findings in two of three isometric shoulder abduction tests (0 degree, 30 degree and external rotation), and positive subacromial injection test.

Participants - exclusion criteria:

1. Previous surgery of affected shoulder
2. Symptomatic osteoarthrosis of acromio-clavicular joint
3. Full thickness rotator cuff tear based on clinical findings and MRI
4. Long-term cervical syndrome
5. Instability of shoulder
6. Reluctance to participate in any study groups (i.e. any treatment options of the study)
7. Reduced co-operation (drug or alcohol abuse, mental illness) Anticipated start date: 1/10/2005 Anticipated end date: 31/12/2009 Target number of participants: 210 Disease: Chronic (\> 3 months before inclusion) shoulder subacromial pain syndrome.

Interventions: The aim of this study is to compare the value of arthroscopic subacromial decompression (acromioplasty group) vs. diagnostic arthroscopy (control group) vs. supervised exercise therapy (conservative group) on subjects with chronic subacromial impingement syndrome. The shoulder arthroscopy is done three to six week after the baseline clinical examination by one of the seven experienced shoulder orthopaedists. At first, arthroscopy of shoulder joint is performed in patients of acromioplasty group and control group, and all pathological findings are recorded. Thereafter, arthroscopy of subacromial space is carried out. In control group, subacromial decompression is not done. In patients of supervised exercised therapy group, 3 months period of exercise therapy with home exercises, supervised by experienced physiotherapist, is initiated.

Primary outcome(s): Pain at rest and activity assessed with 10-cm visual analog scales (VASs). Participants assess maximum pain in the previous two days at rest and at exertion. Main follow-up time-point is 24 months after initiation of the treatment (i.e. operative treatment or first visit at the physiotherapist. Other time-points when the main outcome is measured are before the randomization, three month follow-up, six month follow-up and 12 month follow-up.

Secondary outcome(s): Functional assessment of the shoulder with Constant score and Simple Shoulder test (SST), global assessment of change \[symptom questionnaire and subjective contentment (10-cm visual analog scales)\], quality of life assessment (SF-36 and 15D).

Sources of funding: Finnish Office for Health Technology Assessment (National Research and Development Centre for Welfare and Health of Finland) and Sigrid Juselius Foundation Main sponsor information Name: Finnish Office for Health Technology Assessment Address: National Research and Development Centre for Welfare and Health (STAKES) - P.O. Box 220, FI-00531 Helsinki, Lintulahdenkuja 4, Finland Contact person

Contact information:

Name: Mika Paavola Address: Department of Orthopedics and Traumatology, Töölö hospital, Helsinki University Central Hospital P.O. Box 266 00029 HUS Helsinki Finland Tel: +358-50-5238382 Email: [email protected] and [email protected] Privacy level: Show all contact details

Conditions

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Subacromial Impingement Syndrome

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Arthroscopic acromioplasty

Group Type EXPERIMENTAL

Arthroscopic acromioplasty or arthroscopy alone (sham) or conservative treatment (rehabilitation)

Intervention Type PROCEDURE

Sham surgery

Shoulder arthroscopy without active treatment and subacromial arthroscopy without bursectomy, decompression or other active interventions

Group Type PLACEBO_COMPARATOR

Arthroscopic acromioplasty or arthroscopy alone (sham) or conservative treatment (rehabilitation)

Intervention Type PROCEDURE

Conservative treatment

Standardized exercise rehabilitation (supervised by physiotherapist)

Group Type ACTIVE_COMPARATOR

Arthroscopic acromioplasty or arthroscopy alone (sham) or conservative treatment (rehabilitation)

Intervention Type PROCEDURE

Interventions

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Arthroscopic acromioplasty or arthroscopy alone (sham) or conservative treatment (rehabilitation)

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

1. Subjects are 35 to 65 years of age female or male and have a characteristic history and symptoms of subacromial impingement syndrome at least 3 months.
2. Symptoms have no relieved with appropriate conservative treatment (i.e. physiotherapy, NSAIDs and subacromial corticosteroid injection).
3. They have clinical findings of impingement syndrome; painful arc sign and pain in shoulder abduction, positive findings in two of three isometric shoulder abduction tests (0 degree, 30 degree and external rotation), and positive subacromial injection test.

Exclusion Criteria

1. Previous surgery of affected shoulder
2. Symptomatic osteoarthrosis of acromio-clavicular joint
3. Full thickness rotator cuff tear based on clinical findings and MRI
4. Long-term cervical syndrome
5. Instability of shoulder
6. Reluctance to participate in any study groups (i.e. any treatment options of the study)
7. Reduced co-operation (drug or alcohol abuse, mental illness)

Minimum Eligible Age

35 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No