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Joint replacement and injections by stage
| Stage | Usual approach | Role of injections | Joint replacement |
|---|---|---|---|
| Early (1–2) | Exercise, weight loss, pain relief | Sometimes PRP or hyaluronic acid | Not needed |
| Moderate (2–3) | As above, load management, braces | May reduce pain for months | Usually not needed |
| Advanced (3–4) | If pain is constant and limits life, surgery is discussed | Weak and short effect | Discussed if treatment does not help |
| End stage (4) with deformity | Surgery | Do not help | Main option |
What to consider when deciding
- Joint replacement is decided by pain, limitation of daily life and images together, not by the X-ray grade alone.
- In a 2015 trial knee replacement reduced pain more than exercise alone, but complications were more frequent.
- Age alone is neither a contraindication nor a reason to wait.
- Promises to “grow cartilage” with cells instead of joint replacement are not supported by studies.
We send your images to several clinics — orthopaedic and joint replacement centres — and help you compare their offers. More on knee osteoarthritis and hip osteoarthritis.
Scientific evidence
Studies and guidelines this comparison is based on:
- Skou ST et al. A randomized, controlled trial of total knee replacement. N Engl J Med, 2015.
- Bannuru RR et al. OARSI guidelines for the non-surgical management of knee, hip, and polyarticular osteoarthritis. Osteoarthritis Cartilage, 2019.
- Pas HI et al. Stem cell injections in knee osteoarthritis: a systematic review of the literature. Br J Sports Med, 2017.
Frequently asked questions about joint replacement and injections
Can injections postpone joint replacement?
Sometimes in early and moderate stages, yes. In severe osteoarthritis the effect is usually short.
How long does a joint replacement last?
Most modern implants work for 15–20 years or longer; it depends on load and other factors.
Will stem cells help in grade 4?
There is no evidence for this. In end-stage disease cell preparations do not replace joint replacement.
Where is joint replacement done in Germany?
In many orthopaedic clinics and joint replacement centres. We request offers from several clinics.
How can RegenPAS help?
RegenPAS is a patient service centre in Munich, not a clinic. We review your images and symptoms and send a request to several partner clinics at once. Clinics that can accept you send their own conditions and price; prices differ between clinics, and you choose the option that suits you. The coordinator replies within 24 hours, and a clinic physician’s preliminary opinion follows in 1–3 business days. We then arrange the appointment, visa invitation, interpreter, transfers and accommodation. Treatment decisions are made by the clinic physician. Contact a coordinator.
Discussing joint replacement? Send your images — we will get opinions from several clinics
Send your MRI or ultrasound and describe where and when it hurts. The coordinator replies within 24 hours; a clinic physician gives an opinion in 1–3 business days.
Send images