Surgical or Exercise Therapy on Patients With Degenerative Meniscus Tears

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

140 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-11-30

Study Completion Date

2024-01-31

Brief Summary

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This study is conducted as a collaboration between NAR, Orthopedic Department, Oslo University Hospital,Ullevaal, Hjelp24Nimi Oslo, Martina Hansens Hospital Norway, and University of Southern Denmark, Odense, Denmark.

The investigators hypothesize that exercise is more effective than arthroscopic partial meniscectomy: a) on self-reported outcomes, functional performance and muscle strength in middle-aged patients subsequent to arthroscopic partial meniscectomy for a degenerative meniscus tear, and b) in preventing further development of knee osteoarthritis (OA).

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Detailed Description

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The aims of the study are:

1. At 3 months, to investigate the effect of arthroscopic partial meniscectomy versus exercise therapy on muscle strength and knee function in middle-aged patients with degenerative meniscus lesions.
2. At 2 years, to investigate the effect of arthroscopic partial meniscectomy versus exercise therapy on self-reported outcomes in middle aged patients with degenerative meniscus lesions.
3. At 5 years, to describe radiographic changes in knee osteoarthritis development after arthroscopic partial meniscectomy or exercise therapy in middle-aged patients with degenerative meniscus lesions.
4. 4\. At 10 years, to describe radiographic changes in knee osteoarthritis development after arthroscopic partial meniscectomy or exercise therapy in middle-aged patients with degenerative meniscus lesions.

Patients included in the study will be randomized into one of two groups. The interventions are: arthroscopic partial meniscectomy and supervised neuromuscular- and strength training. Subjects will be tested before and after intervention, at 12 months, 24 months, five and 10 years.

Long-term follow-up studies are particularly important for this patient population. Both meniscal tears and partial meniscectomy has been demonstrated as risk factors for incident knee osteoarthritis and progression. However, it is not known whether the increased risk is due to the meniscal tear per se or resection of the meniscus. Furthermore, patients presenting with symptomatic degenerative meniscal tears have reduced knee muscle strength, which may be an additional risk factor for knee osteoarthritis. While knee muscle weakness has been shown to persist following surgery, the knowledge of long-term changes following surgical and non-surgical interventions for degenerative meniscal tears is limited. Accordingly, long-term between-group differences in muscle strength changes (at 5 and 10 years) and radiographic knee osteoarthritis changes (10 years) will also be investigated

Conditions

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Degenerative Meniscal Tear

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Arthroscopic partial meniscectomy

Standard arthroscopic partial meniscectomy - NGD 1

Group Type EXPERIMENTAL

Arthroscopic partial menisectomy

Intervention Type PROCEDURE

Standard arthroscopic partial meniscectomy, NGD 1. Carried out at Ullevaal University Hospital and Martina Hansens Hospital.

Exercise Therapy

Supervised neuromuscular- and strength training

Group Type EXPERIMENTAL

Supervised neuromuscular and strength training

Intervention Type OTHER

Supervised exercise therapy in 12 weeks, both neuromuscular- and strength training. Carried out at Nimi Ullevaal Oslo or Gnist trending- og fysioterapi, Baerum

Interventions

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Arthroscopic partial menisectomy

Standard arthroscopic partial meniscectomy, NGD 1. Carried out at Ullevaal University Hospital and Martina Hansens Hospital.

Intervention Type PROCEDURE

Supervised neuromuscular and strength training

Supervised exercise therapy in 12 weeks, both neuromuscular- and strength training. Carried out at Nimi Ullevaal Oslo or Gnist trending- og fysioterapi, Baerum

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Age 35-60 years
* Knee pain for more than 2 months without a significant trauma
* Medial meniscal tear on MRI
* Eligible for arthroscopic partial meniscectomy
* Grade 0-2 radiographic severity (specification after Kellgren Lawrence)

Exclusion Criteria

* Those requiring acute trauma surgeries, including those treated as acute cases in the ER
* Ligament injuries
* Tumours (MRI)
* Pain or other musculoskeletal comorbidities severely affecting lower extremity muscle function overriding the symptoms from the knee
* Grade 3 or 4 radiographic severity (specification after Kellgren Lawrence)
* Comorbidities excluding physical activities and exercise.
* Previous knee surgery within two years
* Not able to speak or read Norwegian, drug abuse or mental problems

Minimum Eligible Age

35 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No