J Korean Orthop Assoc.  2018 Feb;53(1):71-75. 10.4055/jkoa.2018.53.1.71.

Pseudoaneurysm after Knee Arthroscopic Synovectomy in a Septic Arthritis Patient

  • 1Department of Orthopedic Surgery, Yeungnam University Medical Center, Daegu, Korea. karaz101@ynu.ac.kr
  • 2Division of Transplantation and Vascular Surgery, Department of Surgery, Yeungnam University Medical Center, Daegu, Korea.


Arthroscopic synovectomy is a widely-used method to treat septic knee arthritis. To date, many authors have reported minimal complications related to arthroscopic treatment, especially vascular injuries. A three-dimensional computed tomography angiography revealed a pseudoaneurysm that arise from the popliteal artery near the arthroscopic site in septic arthritis patients with atherosclerosis and neurofibromatosis. A careful arthroscopic procedure via the posteromedial or posterolateral portal is recommended for the prevention of this complication. We, therefore, recommend close observation after arthroscopic procedure, despite the occurrence of complications; nonetheless, early diagnosis and treatment are important. We report a case of pseudoaneurysm of the popliteal artery with a complicating arthroscopic synovectomy in septic arthritis with literature review.


knee; arthroscopy; debridement; pseudoaneurysm
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