Premium Nahrungsergänzungsmittel | artgerecht

Arthrofibrosis: Causes, Symptoms & Treatment

Arthrofibrosis is a pathological condition in which excessive scar tissue forms inside a joint, causing pain and significant loss of movement. It often develops after surgery or injury.

Regular tips about health Regular tips about health

Things worth knowing about "Arthrofibrosis"

Arthrofibrosis is a pathological condition in which excessive scar tissue forms inside a joint, causing pain and significant loss of movement. It often develops after surgery or injury.

What is Arthrofibrosis?

Arthrofibrosis is a pathological condition characterized by the excessive formation of scar tissue (fibrosis) within a joint. This abnormal buildup of connective tissue severely restricts the normal range of motion of the affected joint and frequently causes chronic pain. The knee joint is most commonly affected, but arthrofibrosis can occur in any joint, including the hip, shoulder, and ankle.

Causes

Arthrofibrosis develops as a result of an abnormal or excessive healing response following joint injury or surgery. The most common triggers include:

Joint surgeries, particularly anterior cruciate ligament (ACL) reconstruction, knee replacement (arthroplasty), or arthroscopic procedures
Joint fractures and severe trauma
Joint infections (septic arthritis)
Inflammatory joint diseases such as rheumatoid arthritis
Prolonged immobilization of the joint following injury or surgery
Genetic predisposition to excessive scar tissue formation

At a cellular level, arthrofibrosis is driven by the overactivation of fibroblasts and myofibroblasts, which produce large quantities of collagen, leading to thickening and scarring of the joint capsule and surrounding tissue.

Symptoms

The symptoms of arthrofibrosis can vary in severity but are often significantly debilitating:

Reduced range of motion in the affected joint (limited flexion and extension)
Persistent pain, even at rest
Swelling and warmth around the joint
Stiffness, especially in the morning or after prolonged sitting
Muscle wasting (atrophy) of the surrounding musculature due to protective posturing
Gait instability and impairment of daily activities

Diagnosis

The diagnosis of arthrofibrosis is established through a combination of clinical and imaging assessments:

Clinical examination: Measurement of range of motion, assessment of swelling and pain levels
Imaging studies: MRI (Magnetic Resonance Imaging) to visualize scar tissue and joint capsule thickening; X-rays to rule out bony abnormalities
Arthroscopy: Direct visual inspection of the joint interior using a camera; considered the gold standard for definitive diagnosis
Histological analysis: Tissue biopsy for microscopic confirmation of fibrotic processes

Treatment

Conservative Treatment

In early stages, conservative management is the preferred first approach:

Physiotherapy: Targeted mobilization and stretching exercises, often combined with manual therapy techniques
Anti-inflammatory medications: Non-steroidal anti-inflammatory drugs (NSAIDs) or corticosteroids to reduce inflammation and pain
Heat and cold therapy to relieve pain and improve tissue elasticity
Occupational therapy to support functional performance in daily activities

Surgical Treatment

When conservative measures are insufficient, surgical intervention may be required:

Arthroscopic arthrolysis: Minimally invasive removal of scar tissue under direct camera visualization
Open arthrolysis: Surgical release of adhesions in more severe or complex cases
Manipulation under anaesthesia (MUA): Mobilization of the joint under general anaesthesia to break up adhesions – an approach that is increasingly viewed with caution

Rehabilitation and Follow-Up Care

Following surgical treatment, consistent rehabilitation is essential for a successful outcome. Ongoing physiotherapy, pain-adapted mobility exercises, and close medical supervision are critical to prevent recurrence of fibrosis.

Prevention

Although arthrofibrosis cannot always be prevented, the following measures can significantly reduce the risk and severity:

Early postoperative mobilization of the joint
Optimal inflammation management after surgery or injury
Regular physiotherapy throughout the healing process
Avoidance of excessive or prolonged joint immobilization

References

Magit, D.P. & Skendzel, J.G. (2013): Arthrofibrosis of the Knee. In: Journal of the American Academy of Orthopaedic Surgeons, 21(2), 87–97.
Steadman, J.R. et al. (2008): Arthrofibrosis and the Infrapatellar Contracture Syndrome. In: Operative Techniques in Sports Medicine, 16(4), 176–183.
Mayr, H.O. et al. (2020): Arthrofibrosis of the Knee Joint. In: Der Orthopaede, 49(8), 722–731.

Building Blocks for a Healthy Life

As an integrated manufacturer, we develop & produce evidence-based, patented, and non-patented formulations. We work exclusively with plant and natural extracts according to the strictest purity & quality standards.
The combination of science & modern technology with the laws of nature creates solutions consistently tailored to humans – for the highest good: health.