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Updated: May 19, 2026
07:30
Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique
Published on: April 1, 2022
Arteriovenous fistula complication following MRI
Danielle Kirkman1, Naushad Junglee, Paul Mullins
1School of Sport, Health and Exercise Sciences, Bangor University, Bangor, Gwynedd, UK.
BMJ Case Reports
|August 29, 2012
Summary
Health professionals should monitor patients with arteriovenous fistulas during MRI scans. Magnetic Resonance Imaging (MRI) may cause vascular access complications, necessitating careful observation post-procedure.
Area of Science:
- Nephrology
- Radiology
- Vascular Surgery
Background:
- Vascular access is crucial for hemodialysis patients.
- Arteriovenous fistulas are common vascular access points.
- Medical imaging procedures carry potential risks for vascular access.
Observation:
- A hemodialysis patient experienced pain, swelling, and bruising around a radiocephalic fistula after an MRI scan.
- Similar symptoms recurred during a subsequent MRI scan three months later.
- Juxta-anastomotic venous stenosis was identified after the second MRI, though a direct causal link was uncertain.
Findings:
- Magnetic Resonance Imaging (MRI) may induce complications in arteriovenous fistulas.
- Potential mechanisms include radiofrequency-induced currents or peripheral nerve stimulation.
- These observations highlight a previously undocumented risk associated with MRI in this patient population.
Implications:
- Increased awareness among healthcare providers regarding MRI risks for patients with arteriovenous fistulas.
- The need for vigilant patient and fistula monitoring following MRI scans.
- Further research may be warranted to elucidate the precise mechanisms and establish safety guidelines.
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