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A 33-year-old member asked:

what to if i am having a partial knee replacement, what to expect?

4 doctor answers12 doctors weighed in
Dr. Ahmad M Hadied
Orthopedic Surgery 49 years experience
Good outcome: If it is done the wright way for the wright diagnosis.
Dr. Robert Purchase
Orthopedic Surgery 23 years experience
Steady recovery: Partial knee replacements are similar to total knee replacements with some differences. The patient will often spend some time in the hospital to recover although some patients can have it done as an outpatient. There is pain, but it can be managed with pain medicines. There is stiffness, but it will respond to pt. Your recovery will be gradual over at least 6 weeks but it can take 3-6 months.
Dr. Frederick Buechel, jr. md
Orthopedic Surgery 26 years experience
Pain relief, happy: When done well it is a wonderful way to relieve the pain of knee arthritis or avn, and restore function. The procedure resurfaces the worn cartilage surfaces with metal and polyethylene plastic so that a low friction articulation is returned that relieves pain and allows for smooth motion. Proper implant placement is critical for long term success and robotics makes it precise & reproducible.
Dr. Frederick Buechel, jr. md
Orthopedic Surgery 26 years experience
Provided original answer
Most high volume partial knee surgeons do this on an outpatient basis or one night stay. Incisions can be large or small. Accuracy of implant alignment, ligament balance, and implant tracking are the keys to long term success after a properly selected patient is chosen. Partial knee replacement has been hard to perform consistently and reproducibly over the years, and failure to do so increases the risk for early failure, bearing wear down, loosening and opposite side overloading and wear. Because of the installation difficulty, most surgeons choose the more forgiving and reproducible total knee procedure for their knee arthritis patients. With the introduction of the Robotic Arm Interactive System from Mako Surgical Corp in 2006, these issues have been solved. Surgeons trained on this system can align the implants precisely within 1 degree, balance the ligaments within a millimeter through the entire range of motion and make the implants track right down the center of one another, each and every time. This system allows surgeons to collect real-time kinematic data intra-operatively and adjust the implants for optimal positioning before the surfaces are prepared with the robotic arm. My patients have had very good results with my no tourniquet technique that is quadriceps sparing and done as an outpatient with cemented implants. With over 500 procedures that I have done in the past 2.5 years, the patients I have found recover in weeks, improve from their preop motion in 6 weeks by an average of 8 degrees, do not require more than 2-3 weeks of gentle physical therapy, and can return to activities of daily living off pain killers in 2-3 weeks most of the time. Talk to your surgeon about partial knee replacement if you have failed conservative management of your arthritis.
Aug 16, 2012
Dr. David Fisher
Orthopedic Surgery 39 years experience
6-12 week recovery: The knee will recover its function within 6-12 wks. It will continue to improve for 6 months or more. You may have pain and difficulty sleeping at night for 4-6 weeks, followed by a gradual return of energy and function. Most patients return to full activity by 3 months after surgery.

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A 25-year-old member asked:

How do you know if you have infected knee after having a partial knee replacement?

3 doctor answers5 doctors weighed in
Dr. John Ayres
Orthopedic Surgery 37 years experience
It still hurts.: Surgical site infections affect 1% of knees but the number is increasing. Mrsa infections are especially worrisome. A knee may be hot, red, and draining fluid, but sometimes unexplained but persistent pain and swelling are the only sign of infection. Work up includes aspirating the knee and sending the fluid to the lab, as well as checking your "sed rate" and "crp" which can be high if infected.
A 35-year-old member asked:

What is normal recovery after having a partial knee replacement?

2 doctor answers2 doctors weighed in
Dr. Kenneth Tepper
Orthopedic Surgery 25 years experience
Hopefully quick: Partial knee replacements tend to progress at a much faster rate than a total. Often times, within one-two weeks, you should be getting around quite well without much pain.
A 37-year-old member asked:

What is the normal recovery time for a partial knee replacement?

2 doctor answers10 doctors weighed in
Dr. Andrew DeGruccio
Orthopedic Surgery 29 years experience
1-2 months: Full function and range of motion can be restored as soon as 2 weeks, but full strength may take more than 2 months.
A 47-year-old member asked:

What should I expect after a partial knee replacement?

3 doctor answers5 doctors weighed in
Dr. Andrew DeGruccio
Orthopedic Surgery 29 years experience
Normal function: A normally functioning knee with good pain relief that should last 10-20 years 80% of the time. Swelling for first few weeks, with some stiffness. Gentle range of motion and rest initially, with advancing activities as swelling resolves.
Dr. Frederick Buechel, jr. md
Orthopedic Surgery 26 years experience
When properly installed with a well placed tibial component, a well balanced installation, and central tracking of the femoral on the tibial component, partial knees have show 90% success rates at twenty years. Robotic Arm assisted partial knee replacement installations using the Makoplasty system can guarantee more accurate installations than when done with manual tools. The accuracy is within 1mm and one degree with full range of motion ligament balancing and central tracking of the implants.
Aug 14, 2012
Denison, TX
A 35-year-old female asked:

What can I expect if I get partial knee replacement?

2 doctor answers7 doctors weighed in
Dr. Brett Levine
Orthopedic Surgery 21 years experience
Partial knee: You are very Yong for any sort of replacement. But partial knees feel the most like a normal knee. Function is excellent but you cannot do too much on it or you will wear it out very quickly.

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