Geniculate Artery Embolization Flashcards

1
Q

Etiology of recurrent hemarthrosis after TKA

A

Etiology not completely understood but reported causes:

  1. bleeding of hypertrophic synovium which may be impinged between prothesis components
  2. AV fistula
  3. pseudoaneurysm
  4. PVNS
  5. prosthesis complications
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2
Q

First best step in hemarthrosis after TKA

A

Conservative management (33% successful)

  • rest
  • ice
  • elevation
  • joint aspiration
  • cessation of anticoagulation
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3
Q

Other options other than GAE for recurrent hemarthrosis after TKA

A
  • surgery (arthroscopic or open synovectomy)
  • ## radiation synovectomy with Y90 injection
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4
Q

Targeted arteries for geniculate artery embolization

A
  1. Descending genicular artery
  2. Lateral Superior Geniculate Artery
  3. Medial Superior Geniculate Artery
  4. Lateral Inferior Geniculate Artery
  5. Medial Inferior Geniculate Artery
  6. Recurrent Branch of the anterior tibial artery
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5
Q

most common angiographic findings with recurrent hemarthrosis after TKA

A

synovial hypervascularity (diffuse periarticular blush) with tortuous or hypertrophied feeding vessels

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6
Q

Most common artery embolized during GAE for recurrent hemarthrosis

A
  1. Lateral Superior GA
  2. Lateral Inferior GA
  3. Descending GA
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