Gonarthrosis Therapy – Knee Osteoarthritis Treatment
Gonarthrosis therapy covers all treatments for knee joint cartilage degeneration. The goals are pain relief, preservation of function, and improved quality of life.
Things worth knowing about "Gonarthrosis Therapy"
Gonarthrosis therapy covers all treatments for knee joint cartilage degeneration. The goals are pain relief, preservation of function, and improved quality of life.
What Is Gonarthrosis?
Gonarthrosis is a degenerative disease of the knee joint in which the articular cartilage gradually breaks down. This leads to pain, stiffness, and reduced mobility. It is one of the most common joint diseases and primarily affects people over the age of 50. Gonarthrosis therapy aims to relieve symptoms, slow the progression of the disease, and improve the quality of life of those affected.
Causes of Gonarthrosis
Gonarthrosis can develop for a variety of reasons:
- Primary gonarthrosis: Age-related cartilage wear without a specific underlying disease
- Secondary gonarthrosis: Resulting from injuries, joint malalignment (e.g., bow legs or knock knees), inflammatory conditions, or obesity
- Genetic factors: A familial predisposition is well recognized
- Excess body weight: Increased mechanical load on the joint accelerates cartilage breakdown
Symptoms
Typical complaints in gonarthrosis include:
- Knee pain, especially during physical activity and when climbing stairs
- Morning stiffness or start-up pain after periods of rest
- Swelling and warmth of the knee joint
- Grating or cracking sounds in the knee (crepitus)
- Progressive limitation of movement
Diagnosis
The diagnosis of gonarthrosis is made through a combination of:
- Clinical examination: Palpation, range-of-motion testing, and pain localization
- X-ray imaging: Standard method for detecting joint space narrowing, osteophytes, and subchondral sclerosis
- MRI (Magnetic Resonance Imaging): Assessment of cartilage, menisci, and soft tissue structures
- Laboratory tests: To exclude inflammatory conditions such as rheumatoid arthritis
Treatment of Gonarthrosis
Gonarthrosis therapy follows a stepwise concept encompassing both conservative and surgical measures.
Conservative Treatment
In early and intermediate stages, non-surgical approaches are the primary focus:
- Physiotherapy: Exercises to strengthen joint-stabilizing muscles, improve flexibility, and correct gait patterns
- Weight reduction: Reducing body weight to decrease mechanical stress on the joint
- Assistive devices: Orthoses, insoles, and walking aids to offload the knee joint
- Physical therapy: Heat and cold therapy, electrotherapy, and ultrasound treatment
- Pain management: Non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen or diclofenac for pain relief and reduction of inflammation
- Intra-articular injections: Corticosteroids for short-term anti-inflammatory effect, or hyaluronic acid to improve joint lubrication
- Dietary supplements: Glucosamine and chondroitin are discussed, though evidence remains inconsistent
Surgical Treatment
When conservative measures are insufficient, surgical options may be considered:
- Arthroscopy: Minimally invasive joint examination for removal of loose bodies or meniscus treatment (of limited benefit in advanced stages)
- Osteotomy: Correction of leg axis malalignment to reduce load on the affected compartment
- Unicompartmental knee arthroplasty: Replacement of only one compartment in localized arthritis
- Total knee arthroplasty (TKA): Complete joint replacement in advanced stages; associated with high long-term success rates
Complementary and Alternative Approaches
In addition to standard therapies, various complementary methods are used:
- Acupuncture: May contribute to pain relief; evidence is moderate
- Balneotherapy: Therapeutic baths and thermal water treatments for relaxation and pain relief
- Exercise programs: Aquatic gymnastics, cycling, and walking as joint-friendly physical activities
Prognosis and Disease Course
Gonarthrosis is a chronic, progressive condition. However, consistent treatment can significantly slow its progression. Many patients can maintain a good quality of life for many years through conservative measures alone. When indicated correctly, knee joint replacement surgery provides excellent long-term outcomes in terms of pain relief and restored mobility.
References
- Deutsche Gesellschaft für Orthopädie und Orthopädische Chirurgie (DGOOC): S2k Guideline Gonarthrosis (2018, updated 2021). AWMF Registration No. 033-004.
- Hochberg, M.C. et al.: American College of Rheumatology 2012 Recommendations for the Use of Nonpharmacologic and Pharmacologic Therapies in Osteoarthritis of the Hand, Hip, and Knee. Arthritis Care & Research, 2012.
- Felson, D.T.: Osteoarthritis of the Knee. New England Journal of Medicine, 2006; 354(8): 841-848.
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