Popliteal Artery Pseudoaneurysm After Total Knee Arthroplasty
Mohannad B Ammori1, Aled R Evans1, Alexander D Mclain1
1Royal Gwent Hospital, Newport, United Kingdom.
The Journal of Arthroplasty
|March 30, 2016
Summary
Popliteal artery pseudoaneurysm is a rare complication after total knee arthroplasty. Early recognition of this condition is crucial for effective management and preventing severe outcomes.
Area of Science:
- Vascular Surgery
- Orthopedic Surgery
- Medical Imaging
Background:
- Popliteal artery pseudoaneurysm is a rare but serious complication following total knee arthroplasty.
- Delayed diagnosis can lead to compartment syndrome and soft tissue ischemia.
- Effective management hinges on early recognition and prompt intervention.
Purpose of the Study:
- To evaluate the complication rate of popliteal artery pseudoaneurysm after total knee arthroplasty.
- To assess the methods of recognition and management of this complication.
- To identify strategies for reducing the interval to diagnosis.
Main Methods:
- Retrospective review of 7937 total knee arthroplasties between January 2004 and October 2014.
- Cross-referencing surgical data with radiology reports for keywords 'popliteal' and 'aneurysm'.
- Analysis of diagnostic imaging modalities including duplex imaging, arteriogram, and CT angiogram.
Main Results:
- Seven cases (0.088%) of symptomatic popliteal artery pseudoaneurysm were identified.
- The median interval from total knee arthroplasty to diagnosis was 15 days.
- Three patients required fasciotomies as part of their treatment.
Conclusions:
- The complication rate is consistent with existing literature.
- Delayed recognition of popliteal artery pseudoaneurysm poses a significant challenge.
- Increased awareness and inclusion in differential diagnoses for postoperative complications are essential for orthopedic surgeons.
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