Introduction
Arthroplasty—often called joint replacement—removes damaged joint surfaces and replaces them with metal, ceramic, or plastic components. Hip and knee replacement are the most common examples.
This overview explains arthroplasty in general. Specific joint procedures (shoulder, elbow, ankle) differ in technique and recovery. A separate "arthroplasty" page covers the same topic from a procedure-list perspective; both emphasize shared principles rather than one-size-fits-all promises.
Why it is done / when it is considered
Joint Replacement (Arthroplasty Overview) is commonly discussed in situations such as:
- Severe osteoarthritis or inflammatory arthritis limiting daily function
- Pain and stiffness not relieved by medicines, injections, or physiotherapy
- Joint deformity or bone damage on imaging
- Selected fractures or avascular necrosis requiring joint reconstruction
How the procedure is done
- Damaged bone and cartilage are removed under spinal or general anesthesia
- Implants are fixed with cement or press-fit into bone
- Blood-loss reduction protocols and thrombosis prevention are standard
- Early mobilization and physiotherapy begin soon after surgery
Preparation
- Treat dental, skin, or urinary infections before elective surgery
- Optimize anemia, diabetes, weight, and smoking status
- Plan home safety: rails, raised toilet seat, help for early weeks
- Review blood thinners and metal allergies with your surgical team
Risks and possible complications
Risks differ by procedure. Your age, other illnesses, and anaesthesia plan change the picture—your care team will explain what applies to you.
- Infection, bleeding, and blood clots
- Implant loosening, wear, or dislocation depending on joint
- Nerve or vessel injury; leg-length difference after hip replacement
- Persistent pain or need for revision surgery
Recovery
- Hospital stay of a few days; walking aids used early
- Physiotherapy continues for weeks to months
- Driving and work timelines depend on joint operated and job demands
Aftercare and follow-up
- Watch for fever or wound drainage
- Use compression stockings or blood thinners as prescribed
- Ask about antibiotics before dental work if your surgeon recommends them
- Attend follow-up X-rays and function checks
Frequently asked questions
How long do joint implants last?
Many last years to decades, but there is no lifetime guarantee for every patient.
Can both knees be replaced at once?
Selected healthy patients may have bilateral surgery; risks and rehab are heavier.
What if I have a metal allergy?
Tell your team—alternative bearing surfaces may be discussed.
Important caution
This article is general health information. It is not personal medical advice, a surgery recommendation, or a cost promise.
Decide on need, alternatives, risks, and cost with your doctor and hospital. If you have emergency symptoms, go to hospital without delay.