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Pediatr Cardiol. 2010 Oct;31(7):1086-8. doi: 10.1007/s00246-010-9741-6. Epub 2010 May 28.

Transpleural pulmonary-to-systemic venous collaterals in a case with obstructed scimitar vein.

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Division of Cardiology, Department of Pediatrics, The Children's Hospital of Eastern Ontario, University of Ottawa, Ottawa, Canada.


Scimitar syndrome is a rare cause of left-to-right shunting. Surgery is indicated for a pulmonary-to-systemic blood flow ratio greater than 1.5:1 and not infrequently is complicated by postoperative obstruction. This report presents a case of scimitar syndrome and reviews how magnetic resonance imaging (MRI) can be used for initial and follow-up assessment of the syndrome with emphasis on suspected pulmonary venous obstruction. Given the potential high incidence of postoperative occlusion, MRI provides hemodynamic and anatomic information for both initial and follow-up assessment of scimitar syndrome. MRI clearly demonstrated transpleural pulmonary-to-systemic venous collaterals draining the obstructed scimitar vein.

[Indexed for MEDLINE]

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