(Fig 5-D.20) Fracture at Tracking Pin Sites After Robotic-Assisted TKA

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📌 Robotic-Assisted Total Knee Arthroplasty (TKA)

• Robotic-assisted total knee arthroplasty (TKA) has grown in popularity over the past decade as an alternative to conventional TKA.

 

📌 Complications Associated with Robotic-Assisted TKA

• Robotic-assisted TKA has been associated with complications that are distinct from those encountered with conventional TKA. 
• One category of complication is associated with the pins used to mount the robotic tracking system. 
• These pin insertion sites present potential sites of complications, serving as a nidus for infection and/or fracture.

 

✅ Fracture Through Tracking Pin Sites

A specific complication is the fracture through tracking pin sites following a robotic-assisted total knee arthroplasty. 

The risk factors for these fractures include:

• Multiple placement attempts
• Transcortical pin trajectory
• Pin diameter greater than 4 mm
• Diaphyseal placement

 

References

• Skeletal Radiology (2022) 51:2217–2221

 

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