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Updated: Mar 28, 2026
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Technical Aspects of the Mouse Aortocaval Fistula
Published on: July 11, 2013
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Asymptomatic spinal arteriovenous fistula presenting only as continuous murmur
Dai Asada1, Toshiyuki Itoi1, Kenji Hamaoka1
1Department of Pediatric Cardiology and Nephrology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.
Summary
Spinal arteriovenous fistula is rare in children, often presenting without symptoms. Early detection through auscultation and echocardiography is crucial for this rare vascular anomaly.
Area of Science:
- Pediatric Cardiology
- Pediatric Neurology
- Vascular Surgery
Background:
- Spinal arteriovenous fistulas (SAVF) are exceptionally rare in pediatric populations.
- Clinical presentations in children typically involve lower extremity weakness and sensory disturbances, but asymptomatic cases are common.
Observation:
- An 18-month-old boy presented with an audible continuous murmur without motor or sensory deficits.
- Echocardiography revealed ascending continuous blood flow and innominate vein dilatation, prompting suspicion of SAVF.
Findings:
- Computed tomography angiography confirmed the diagnosis of spinal arteriovenous fistula.
- The case highlights the successful detection of SAVF using non-invasive methods like auscultation and echocardiography.
Implications:
- This case underscores the importance of considering SAVF in pediatric patients with continuous murmurs, even without neurological symptoms.
- Early suspicion and diagnostic confirmation are vital for timely intervention in pediatric SAVF.
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