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Pseudoaneurysm of the medial superior genicular artery after arthroscopic partial meniscectomy

Kee Byoung Lee1, Si Young Song, Duck Joo Kwon

  • 1Department of Orthopedic Surgery, Hallym University Sacred Heart Hospital, Anyang, Korea.

Clinics in Orthopedic Surgery
|November 4, 2009
PubMed

Insights

A rare pseudoaneurysm of the medial superior genicular artery occurred after knee arthroscopy. This case highlights a unique location at the anteromedial portal, successfully treated with transcatheter embolization.

Area of Science:

  • Orthopedic Surgery
  • Vascular Surgery
  • Interventional Radiology

Background:

  • Arthroscopic knee surgery, particularly partial meniscectomy, is a common orthopedic procedure.
  • Pseudoaneurysms, abnormal arterial dilatations, are potential but uncommon complications following arthroscopic interventions.
  • The medial superior genicular artery is a key vessel supplying the knee, with potential injury during arthroscopy.

Observation:

  • A 43-year-old male developed a pseudoaneurysm of the medial superior genicular artery.
  • The pseudoaneurysm was identified at the site of the anteromedial portal used during arthroscopic partial meniscectomy.
  • This represents a unique presentation, as pseudoaneurysms in this artery have typically been reported at the superomedial portal site.

Findings:

  • The case details the diagnostic process and confirmation of the pseudoaneurysm.
  • Successful treatment was achieved using transcatheter embolization, a minimally invasive endovascular technique.
  • This intervention effectively occluded the pseudoaneurysm, resolving the complication.

Implications:

  • Highlights the risk of medial superior genicular artery pseudoaneurysm formation at the anteromedial arthroscopic portal.
  • Demonstrates the efficacy of transcatheter embolization as a primary treatment modality for genicular artery pseudoaneurysms.
  • Emphasizes the importance of considering vascular complications in patients presenting with persistent hemarthrosis or pain post-arthroscopy.
Keywords:
ArthroscopyEmbolizationGenicular arteryKneePsuedoaneurysm

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