complications of tka total knee arthroplasty n.
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Complications of TKA (Total knee arthroplasty) - PowerPoint PPT Presentation


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Complications of TKA (Total knee arthroplasty). Gao Bin. C omplications i n knee replacement are similar to those associated with all joint replacements. It includes: d eep v ein thrombosis fractures loss of motion instability infection. Deep Vein thrombosis.

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Presentation Transcript
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Complications in kneereplacement are similar to those associated with all joint replacements.
  • It includes:

deep veinthrombosis

fractures

loss of motion

instability

infection

..........

deep vein thrombosis
Deep Vein thrombosis
  • According to the American Academy of Orthopedic Surgeons (AAOS), "blood clots in the leg veins are the most common complication of knee replacement surgery.
fractures
Fractures
  • Periprosthetic fractures are becoming more frequent with the aging patient population and can occur intraoperatively or postoperatively.
loss of motion
Loss of Motion
  • The knee at times may not recover its normal range of motion (0 - 135 degrees usually) after total knee replacement. Much of this is dependent on pre-operative function. Most patients can achieve 0 - 110 degrees, but stiffness 僵硬 of the joint can occur.
instability
Instability
  • In some patients, the patella is unstable post-surgery and dislocates to the outer side of the knee. This is painful and usually needs to be treated by surgery to realign 重新调整 the patella. However this is quite rare.
infection
Infection
  • While it is relatively rare, periprosthetic infection remains one of the most challenging complications of joint arthroplasty. A detailed clinical history and physical remain the most reliable tool to recognize a potential periprosthetic infection. In some cases the classic signs of fever, chills 寒战, painful joint, and a draining sinus窦道 may be present, and diagnostic studies are simply done to confirm the diagnosis.