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Thyroglossal Duct Cyst
Joseph Junewick, MD FACR
over 4 years ago
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Aortic dissection

Case Detail

Anatomy: Vascular-Lymphatic
Junewick
Joseph Junewick, MD FACR
Diagnostic Category: Trauma
Created: over 8 years ago
Updated: over 8 years ago
Tags: PEDS
Modality/Study Types: US
Activities:
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History

Premature infant with diminished lower extremity pulses.


Case Images


Diagnosis

Aortic dissection secondary to umbilical artery catheter.

Clinical Notes

Recent umbilical artery catheter placement.

Findings

Mural thickening and increased echogenicity of the infrarenal aorta with resultant luminal narrowing.

Discussion

While improved catheter construction and placement techniques have improved, catheter complications remain real and can be especially significant in fragile premature newborns. Complications of umbilical catheters include infection, thrombosis and vascular injury. Vascular injury can result in dissesction, pseudoaneurym formation, end-organ ischemia and vessel rupture. In this case, disruption of the intima led to separation of the intima and media by exposure to pressurized blood giving rise to an intramural hematoma and luminal narrowing.



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