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Doctor insights on: Infection Following Knee Replacement

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Dr. David Fisher
Board Certified, Orthopedic Surgery
34 years in practice
178K people helped
1

1
What should I do if I have an infection following a total knee replacement?

Dr. David Fisher
Board Certified, Orthopedic Surgery
34 years in practice
178K people helped
What should I do if I have an infection following a total knee replacement?

See your surgeon: Infection is a serious condition in a total knee replacement and needs urgent treatment. If it is caught early, a surgical washout of the joint with antibiotic therapy may cure the infection. If not, the implants may need to be removed in order to cure the infection. Once accomplished, a total knee may be redone to restore knee function. ...Read more

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Dr. Peter Kurzweil
Board Certified
45 years in practice
16M people helped
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Dr. Peter Kurzweil
Board Certified
45 years in practice
16M people helped
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Dr. Barry Waldman
Board Certified, Orthopedic Reconstructive Surgery
24 years in practice
523K people helped
2

2
How can you know if you have an infection in your knee after having a partial knee replacement?

Dr. Barry Waldman
Board Certified, Orthopedic Reconstructive Surgery
24 years in practice
523K people helped
How can you know if you have an infection in your knee after having a partial knee replacement?

Pain and Swelling: Infections in joint replacements can be very hard to diagnose. Generally, doctors with use blood tests, radiographic tests, aspirations (a tap of the fluid in the knee) and some times biopsies to determine if there is an infection. ...Read more

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Dr. Peter Kurzweil
Board Certified
45 years in practice
16M people helped
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Dr. Peter Kurzweil
Board Certified
45 years in practice
16M people helped
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Dr. Frederick Buechel
Board Certified, Orthopedic Reconstructive Surgery
21 years in practice
1M people helped
3

3
How would you know if you have an infection in your knee after having a partial knee replacement?

Dr. Frederick Buechel
Board Certified, Orthopedic Reconstructive Surgery
21 years in practice
1M people helped
How would  you know if you have an infection in your knee after having a partial knee replacement?

Red, pain, drainage: The common signs of an infection can include the following: -fever -redness around the incision -swelling with redness -drainage from a red and swollen knee -pain with weight bearing in a red swollen knee -blood test that show an elevated WBC count, elevated c-reactive protein, elevated esr - the gold standard is to drain fluid out of the knee and send it to the lab for gram stain and culture. ...Read more

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Dr. Frederick Buechel
Board Certified, Orthopedic Reconstructive Surgery
21 years in practice
1M people helped
4

4
How do you know if you have an infection in your knee after a partial knee replacement?

Dr. Frederick Buechel
Board Certified, Orthopedic Reconstructive Surgery
21 years in practice
1M people helped
How do you know if you have an infection in your knee after a partial knee replacement?

Red swollen hot pain: The clinical findings that are concerning for an infected knee are: 1. Redness/pinkness around the incision or knee. 2. Increased swelling around knee 3. Increased pain with bending or weight bearing 4. Fever, chills, lethargy, loss of appetite 5. A knee draining fluid from the incision or a new hole 6. Blood tests with elevated wbc, crp, esr. See your surgeon with any concern asap, don't wait! ...Read more

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Dr. Peter Kurzweil
Board Certified
45 years in practice
16M people helped
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Dr. Scott Russinoff
Board Certified, Orthopedic Reconstructive Surgery
16 years in practice
21K people helped
5

5
I had a knee replacement a year ago and the same knee suddenly got hot and swollen, should I be worried about an infection?

Dr. Scott Russinoff
Board Certified, Orthopedic Reconstructive Surgery
16 years in practice
21K people helped
I had a knee replacement a year ago and the same knee suddenly got hot and swollen, should I be worried about an infection?

Yes: You definitely need to worry about infection! see your surgeon who will probably order some bloodwork and aspirate your knee to have the fluid aspirated. ...Read more

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Dr. Shawn Dalton-Bethea
Board Certified, Pain Management
15 years in practice
379K people helped
6

6
How do I know that my doctor has chosen the knee replacement of a manufacturer with the fewest problems, i.e. fsilure, infection, etc. Do I have any?

Dr. Shawn Dalton-Bethea
Board Certified, Pain Management
15 years in practice
379K people helped
How do I know that my doctor has chosen the knee replacement of a manufacturer with the fewest problems, i.e. fsilure, infection, etc.  Do I have any?

Knee arthroplasty: Your orthopedic surgeon should be very open to your valid concerns. She or he should be willing to tell you which manufacturer they prefer and why. Then you can do your own research to "validate" what was stated in your patient encounter. I would hope that they prefer placing hardware that has the best outcome for you. ...Read more

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Dr. John Dearborn
Board Certified, Orthopedic Reconstructive Surgery
25 years in practice
177K people helped
7

7
How to determine if I have an infection in my knee after having a partial knee replacement?

Dr. John Dearborn
Board Certified, Orthopedic Reconstructive Surgery
25 years in practice
177K people helped
How to determine if I have an infection in my knee after having a partial knee replacement?

Pain, swelling fever: A bacterial infection always produces pain and swelling. A severe one with strep or staph aureus will create a hot knee with fever and constitutional symptoms. Taking fluid out of the knee for analysis is the most definitive test. ...Read more

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Dr. Peter Ihle
Board Certified, Orthopedic Surgery
49 years in practice
6M people helped
8

8
Total knee replacement because of mrsa, i may need a revision because of reoccurring cyst, will 2nd time be as hard? No infection now 1st is cemented

Dr. Peter Ihle
Board Certified, Orthopedic Surgery
49 years in practice
6M people helped

Very tough? : If u mean u need a revision because of MRSA infection in the knee now, the process is long. When the implants r removed cultures r taken ; no new implants. Antibiotic impregnated cement is left in ; u r treated with the proper antibiotics. When CRP ; other studies return to normal, the area may b aspirated ; cultured again ; if clean u then can talk 2 ur surgeon about the next step. ...Read more

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Dr. Tracy Lovell
Board Certified, Rheumatology
16 years in practice
6M people helped
9

9
Swelling of r ankle. Total knee replacement may 2012. Infection december 2012. Opened knee again. Now ankle swelling. Cause?

Dr. Tracy Lovell
Board Certified, Rheumatology
16 years in practice
6M people helped
Swelling of r ankle. Total  knee replacement may 2012. Infection december 2012. Opened knee again. Now ankle swelling. Cause?

See your doctor: With your history that provided, you need to see your doctor for further evaluation. ...Read more

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Dr. Virginia Klaas
Board Certified, Nuclear Medicine
27 years in practice
88K people helped
10

10
I had a bone scan on knee replacement feb, 2012. My gp said report said could be infection, loosening or trauma. Please help me understand.

Dr. Virginia Klaas
Board Certified, Nuclear Medicine
27 years in practice
88K people helped

Needs correlation: A bone scan looks at the metabolism around the replacement. If there is lots of uptake, that means there is lots of bone turn over. Unfortunately several different things can cause increased turn over..Like infection, a loose prosthesis or even recent trauma and fracture. This must be assessed along with symptoms and possibly blood work. ...Read more

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Dr. Peter Kurzweil
Board Certified,
45 years in practice
16M people helped
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