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Related Experiment Videos

A continuous murmur after surgery for dissecting ascending aortic aneurysm.

K L Chan1

  • 1University of Ottawa Heart Institute, Ontario, Canada. kchan@ottawaheart.ca

The Annals of Thoracic Surgery
|July 13, 2000
PubMed
Summary

A subcutaneous arteriovenous fistula is a rare complication following aortic surgery. Early diagnosis through physical examination and imaging can distinguish it from more severe conditions causing continuous murmurs.

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Area of Science:

  • Vascular Surgery
  • Cardiovascular Medicine
  • Diagnostic Imaging

Background:

  • Aortic surgery is a complex procedure with potential complications.
  • Continuous murmurs post-aortic surgery can indicate serious vascular issues.
  • Arteriovenous fistulas are abnormal connections between arteries and veins.

Observation:

  • A case of a subcutaneous arteriovenous fistula developing after aortic surgery is presented.
  • The fistula presented as a continuous murmur, mimicking other serious complications.
  • Physical examination and selective imaging were crucial for diagnosis.

Findings:

  • Subcutaneous arteriovenous fistulas are a potential, though uncommon, complication of aortic surgery.
  • These fistulas can manifest as continuous murmurs.

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  • Diagnostic tools like ultrasound and angiography aid in differentiating this from other causes.

    • Implications:

    • Early recognition of subcutaneous arteriovenous fistulas is important for appropriate management.
    • Distinguishing this benign complication from severe vascular events ensures correct patient treatment.
    • This case highlights the importance of thorough physical assessment and targeted imaging in post-aortic surgery patients.