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Prosthetic Infection

Is this an infected prosthesis ?

Infection around a joint prosthesis (knee, hip, shoulder, elbow, ankle, etc.), is a relatively rare, but potentially devastating condition.

 

Although relatively rare, infection is among the first three reasons for failure of joint prosthesis.

  

More than 10,000 new peri-prosthetic joint infections (PJIs) are diagnosed each year in Europe with an increasing trend.

 

Often classical signs and symptoms of infection, like

  • Pain
  • Redness
  • Warmth
  • Swelling
  • Stiffness

may not be present or can be mild or moderate.

 

In fact, the presence of bacterial biofilm around the prosthesis,

may make the diagnosis of prosthetic infection difficult, masking the underlying infective process.

 

A painful joint, where a prosthetis has been implanted, should always

be investigated to exclude a local infection.

 

In case of unexplicable pain around a joint where a prosthesis has been implanted, the patient should consult his/her physician, that will eventually prescribe further investigations.

 

Read more...

 


Now an App, that can be down-loaded to your smartphone allows to calculate of the relative chance of having an infected prosthesis.

  

Learn more on CDT App

 


 

 

Joint Aspiration


In case of painful joint prosthesis, the orthopaedic surgeon may consider doing radiographic examinations and a"joint aspiration" with fine needle, to collect and analyze fluid around the prosthesis.

 

Protesi totale di ginocchio settica

Prelievo di liquido articolare

 

 

 

 

 

 

Infected Hip Prosthesis

The hip prosthesis are among the most frequently implanted in the world, with hundreds of thousands of new cases each year.

Infection is, according to recent studies, the third leading cause of failure of the hip prosthesis.

Each prosthesis could be a painful infected prosthesis and therefore must be carried out suitable tests to exclude a peri-prosthetic infection. Not always, in fact, the infection is visible from the outside.

Treatments options include:

- Debridement and irrigation;

- Removal of the infected prosthesis and revision in one- or two-stage;

- Removal of the infected prosthesis;

- Amputation (very rare).

The most performed procedure is a "two-stage exchange" of the prosthesis, that provides approximately 93% good results at 10 years follow-up in specialized Centers.

Infected Knee Prosthesis

Knee prosthesis are widely performed in the world, with hundreds of thousands of new cases each year.

Infection is, according to recent studies, the first reasons fo failure of the knee prosthesis.

Each prosthesis could be a painful infected prosthesis and therefore must be carried out suitable tests to exclude a peri-prosthetic infection. Not always, in fact, the infection is visible from the outside.

Treatments options include:

- Debridement and irrigation;

- Removal of the infected prosthesis and revision in one- or two-stage;

- Arthrodesis or fixed prosthesis;

- Amputation (very rare).

The most performed procedure is a "two-stage exchange" of the prosthesis, that provides approximately 93% good results at > 5 years follow-up in specialized Centers (data from The Knee)

Bone and Joint Infections

Galeazzi Institute - Milano - Italy

Bone and Joint Infections

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