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18 Cards in this Set
- Front
- Back
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What is the most likely cause of a cold, pulseless foot immediately after surgery?
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Embolized atherosclerotic plaque
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What is the best outcome measure after a total knee arthroplasty?
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Pain relief
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What is the treatment for postoperative slough of soft tissue over patellar tendon?
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Medial gastrocnemius flap
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What is the treatment for slough of soft tissue over patella itself?
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Debridement and skin graft
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What are the four reported risk factors for infection after total knee arthroplasty?
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Rheumatoid arthritis
Male Compromised skin Elevated international normalized ratio (INR) |
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What effect do drains have on risk of infection?
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Drains increase risk of infection
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What is the problem with using polymerase chain reaction (PCR) to detect infection?
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High rate of false-positives
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What is the principal determinant of postoperative stiffness?
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Preoperative stiffness
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Postoperative knee flexion due to hamstring over pull can last how long?
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4 to 6 weeks
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Where are adhesion most commonly found?
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Within the gutters
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Increased risk of heterotopic ossification after TKA has been associated with what patient characteristic?
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Increased weight
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What laboratory marker is associated with increased risk or HO after TKA?
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Postoperative C-reactive protein (CRP) values
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What two TKA complications have been associated with rheumatoid arthritis?
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Infection
Stiffness |
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What two complications have been associated with hemophilia?
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Infection
Stiffness |
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What are the five reported risk factors for periprosthetic fracture after TKA?
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Osteoporosis
Stress shielding Femoral notching Osteonecrosis Wear-related osteolysis |
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How are distal femoral periprosthetic fractures classified?
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Lewis and Rorabeck system
I: nondisplaced, intact prosthesis II: displaced, intact prosthesis III: displaced, loose prosthesis |
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How are proximal tibial periprosthetic fractures classified and subclassified?
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Felix, Stuart, and Hanssen system
I: tibial plateau II: adjacent to stem III: distal to prosthesis IV: tibial tubercle Sub classification A to C describes relative stability of prosthesis |
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When planning revision surgery for periprosthetic fracture, what are the three key considerations?
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Fracture displacement
Stability of the prosthesis Bone quality |
