Rare Knee Replacement Complication: Pseudoaneurysm of Medial Superior Genicular Artery
A rare but serious complication of knee replacement surgery is a pseudoaneurysm of the superior genicular artery. This artery, a branch of the popliteal artery, supplies crucial blood to the knee joint and surrounding muscles. A pseudoaneurysm occurs when the artery becomes dilated or enlarged due to injury, leading to blood leakage outside the arterial wall.
The superior genicular artery runs in front of the semimembranosus and semitendinosus hamstring muscles and underneath the adductor magnus tendon. It merges with other genicular arteries, including the lateral superior genicular artery, the medial inferior genicular artery, and the highest genicular artery. Treatment options for a pseudoaneurysm may involve surgery, medication, or prolonged pressure application to the affected site.
Pseudoaneurysms can cause pain, swelling, and a pulsating mass around the knee. They require prompt medical attention to prevent further complications or rupture. While there is no publicly available information specifying the name of the surgeon or institution that has treated the most cases, specialists in vascular or orthopedic surgery typically handle these cases.
A pseudoaneurysm of the superior genicular artery is a potential complication of knee replacement surgery that requires immediate medical attention. Understanding the anatomy and potential treatments is crucial for patients and healthcare providers to ensure the best possible outcome.
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