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Related Experiment Videos

Pseudoaneurysms after nephrostomy

C Cope, R M Zeit

    AJR. American Journal of Roentgenology
    |August 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Renal arterial pseudoaneurysms can complicate nephrostomy procedures. Using smaller needles and prompt angiography can prevent and manage this bleeding risk.

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    Area of Science:

    • Interventional Radiology
    • Nephrology
    • Vascular Surgery

    Background:

    • Nephrostomy procedures carry a risk of vascular complications.
    • Renal arterial pseudoaneurysms are a potential, though infrequent, complication.

    Observation:

    • Three cases of renal arterial pseudoaneurysm with significant bleeding occurred in 300 nephrostomy procedures.
    • Diagnosis occurred 6 to 21 days post-procedure.
    • Lesions were linked to deep insertion of a 16-gauge needle during renal puncture.

    Findings:

    • Two pseudoaneurysms were successfully treated with embolization.
    • One pseudoaneurysm was managed with intimal dissection.
    • Prompt renal angiography is indicated for persistent hematuria post-nephrostomy.

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    Implications:

    • Employing 22-gauge needles for renal puncture and specialized dilators may prevent pseudoaneurysm formation.
    • Early diagnosis and intervention, such as embolization, are crucial for managing bleeding pseudoaneurysms.
    • Conservative management of these lesions may result in severe complications.