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Biphasic flow velocity pattern in the descending aorta in double aortic arch
H Igarashi1, H Shiraishi, H Endoh
1Department of Pediatrics, Jichi Medical School, Tochigi, Japan.
Pediatric Cardiology
|March 1, 1995
Summary
Corrective surgery for double aortic arch normalized descending aorta blood flow. Left aortic arch hypoplasia may affect flow velocity acceleration time.
Area of Science:
- Cardiovascular Surgery
- Pediatric Cardiology
- Medical Imaging
Background:
- Double aortic arch is a rare congenital vascular anomaly.
- Surgical correction is the standard treatment for symptomatic cases.
- Hemodynamic assessment is crucial for evaluating surgical outcomes.
Observation:
- A case of double aortic arch presented with a biphasic flow velocity pattern in the descending aorta.
- This pattern reflects the complex hemodynamics associated with the vascular anomaly.
Findings:
- Following corrective surgery, the descending aorta exhibited a monophasic flow velocity pattern.
- This indicates a normalization of blood flow dynamics post-intervention.
- Left aortic arch hypoplasia was associated with prolonged flow velocity acceleration time in the left arch.
Implications:
- The study highlights the utility of Doppler echocardiography in assessing surgical outcomes for double aortic arch.
- Findings suggest that residual hypoplasia can impact flow dynamics, warranting further investigation.
- This case contributes to understanding the long-term hemodynamic consequences of double aortic arch repair.