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[Renal artery aneurysms].

K Post1, T Hupp, T Roeren

  • 1Abteilung Radiodiagnostik, Radiologische Universitätsklinik Heldelberg.

Der Radiologe
|February 1, 1991
PubMed
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Immediate treatment of renal artery aneurysms is recommended to prevent hypertension. Prompt intervention preserves renal function and can resolve existing hypertension in many patients.

Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Nephrology

Background:

  • Renal artery aneurysms (RAAs) are rare vascular lesions.
  • RAAs can lead to serious complications including rupture and renovascular hypertension.
  • Diagnosis and management strategies for RAAs require careful consideration.

Purpose of the Study:

  • To review the diagnosis and treatment of renal artery aneurysms.
  • To evaluate the outcomes of surgical and interventional treatments.
  • To emphasize the importance of timely RAA management.

Main Methods:

  • Retrospective analysis of 21 patients with 26 RAAs (1980-1990).
  • Surgical reconstruction for extrarenal aneurysms.
  • Interventional embolization for intrarenal aneurysms.

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  • Selective intraarterial angiography as the primary diagnostic tool.

    • Main Results:

    • Surgical reconstruction resolved hypertension in 80% of treated patients.
    • Embolization of bleeding intrarenal aneurysms preserved renal function, even in solitary kidneys.
    • One untreated sacciform aneurysm thrombosed spontaneously within 4 years.
    • Recurrent microembolism in an untreated patient led to fixed renal hypertension.

    Conclusions:

    • Timely treatment of renal artery aneurysms is crucial to prevent the development of renal hypertension.
    • Both surgical and interventional approaches can be effective in managing RAAs.
    • Selective intraarterial angiography is the most effective diagnostic method for RAAs.