Total Knee Replacement: Preparing for Surgery and Navigating Recovery
When Knee Replacement Becomes the Right Choice
Total knee replacement — technically called total knee arthroplasty — is recommended when the cartilage in your knee has deteriorated to the point where conservative treatments no longer provide adequate relief. For most patients, this means chronic pain that interferes with sleep, difficulty walking short distances, and inability to perform daily activities like climbing stairs or standing from a chair.
The surgery itself involves removing the worn cartilage and a thin layer of bone from the ends of the femur (thighbone) and tibia (shinbone), then capping those surfaces with metal components and placing a durable plastic spacer between them. The result is a resurfaced joint that moves smoothly without bone-on-bone contact. The procedure typically takes one to two hours and is performed under spinal or general anesthesia.
Deciding to proceed with surgery is a process. Most surgeons will want to see imaging — typically standing X-rays — documenting the extent of arthritis, along with a record of prior conservative treatments. If you have tried physical therapy, anti-inflammatory medications, and joint injections without sufficient relief, and your X-rays confirm significant joint space loss, you are likely a reasonable surgical candidate.
Getting Ready Before Surgery
Preparation in the weeks before your procedure improves your outcomes. Strengthening the muscles around your knee beforehand — sometimes called "prehabilitation" — reduces how much muscle function you lose during the surgical recovery period and can shorten your hospital stay.
Your surgical team will give you specific instructions about medications to pause, dietary restrictions the night before, and what to arrange at home. Setting up your living space in advance matters: move items you use frequently to accessible locations, arrange a firm chair with armrests for sitting, and plan to have someone assist you for the first week or two. If you have stairs at home, discuss this with your surgeon so you can plan accordingly.
What Recovery Looks Like
Most patients now go home the same day as surgery or after one night in the hospital. Physical therapy starts within hours of your procedure — early movement is intentional, not premature. Walking with a walker or cane the day of surgery reduces blood clot risk and keeps the joint from stiffening.
The first two weeks at home involve managing swelling with ice and elevation, performing prescribed exercises, and gradually increasing activity. Outpatient physical therapy typically begins around week two and continues for six to eight weeks. By six weeks, most patients are walking without an assistive device and managing daily tasks independently. Full recovery — including the ability to walk comfortably without pain — typically occurs by three to six months.
Return to low-impact activities such as walking, swimming, and cycling is expected. High-impact activities and contact sports are generally discouraged to protect the implant's longevity.
Long-Term Outcomes
Total knee replacement is one of the most successful procedures in orthopedic surgery, with high rates of patient satisfaction and durable results. Modern implant designs are built to last fifteen to twenty years or more in most patients. Following your surgeon's guidance on activity modification, maintaining a healthy weight, and staying physically active all contribute to getting the most out of your new knee.
If you're experiencing knee pain that limits your daily life, the specialists at Maryland Orthopedic Specialists can help. Call (301) 515-0900 or [schedule an appointment online](https://www.mdorthospecialists.com/contact).
