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What Is Joint Replacement?

February 5, 2010 By 1 Comment

Joint replacement is a common orthopedic procedure done worldwide. A joint replacement aims at of replacing painful, arthritic or diseased parts of the joint with artificial surfaces.

The artificial joint is called prosthesis.

Hip and knee replacements are very common form of joint replacements. In medical terms the joint replacement is called replacement arthroplasty or total arthroplasty or sometimes simply arthroplasty.

Actually arthroplasty means repair of the joint. Earlier, a popular form of arthroplasty was interpositional arthroplasty with interposition of some other tissue like skin, muscle or tendon to keep inflammatory surfaces apart. [Read more...]

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Avascular Necrosis Bilateral Head of Femur With Arthritic Changes – Xray

November 23, 2009 By 1 Comment

Avascular necrosis (AVN) of head of femur occurs when blood supply to the head is jeopardized. That may occur when blood vessels are injured or the pressure within the bone rises enough to cause narrowing of blood vessels resulting in ischaemia of the bone.

The various known causes of avascular necrosis of hip are

  • Trauma
  • Prolonged steroid use
  • Excessive alcohol use
  • Gaucher’s disease
  • Pancreatitis
  • Radiation treatments and chemotherapy

There are percentage of people in whom the cause cannot be determined and are labeled as idiopathic AVN.

avascular-necrosis-bilateral-head-femur

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Total Knee Replacements In Elderly Increases Mobility and Motor Skills

July 1, 2009 By Leave a Comment
Xray of Total Knee Arthroplsty

Xray of Total Knee Arthroplsty

Duke researches have found that total knee arthroplasty has a positive impact on qualityof life and maintainence of maintenence of independent lifestyles

The surgery was performed for osteoarthritis of the knee. Not only the surgery improved physical functioning but also the motor skills when compared to patients who do not receive TKA.

2272 patients diagnosed with osteoarthritis of the knee were included in the study, , 516 underwent replacement procedures and 1756 did not. The groups were matched on baseline functional status, other health conditions, socioeconomic characteristics, and time before TKA or diagnosis.

Among the patients who underwent TKA, baseline physical functioning measures were taken at an interview before and closest to surgery. For the comparison group, these measures were taken from an interview preceding and closest in time to the year of their first diagnosis with osteoarthritis. [Read more...]

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