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renal artery aneurysm


  • these are rare (0.1% of the population in autopsy studies), usually present in hypovolaemic shock with abdominal pain, but may also have haematuria or urinary obstruction
  • rupture occurs in 3-5% with these aneurysms and has a 10% mortality, thus rupture prevalence and mortality rates are much lower than with splenic artery aneurysms
  • mainly in those over 60yrs, 90% have hypertension
  • most younger patients are women and two-thirds have fibromuscular dysplasia 1)

indications for intervention for non-ruptured renal artery aneurysm:

  • size > 2cm
  • symptoms
  • refractory hypertension with significant renal artery stenosis or thromboembolism
  • women in childbearing age

usual specialty referral

  • younger patients under 60yrs with presumed fibromuscular dysplasia ⇒ nephrology
  • PH trauma induced aneurysm or calcified atherosclerotic lesions ⇒ urology
renala_aneurysm.txt · Last modified: 2022/08/06 01:18 by wh

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