Ductal Stenting in Complex Cardiac Lesions

AUTHORS

K Sayadpour Zanjani 1 , *

1 Iran

How to Cite: Sayadpour Zanjani K. Ductal Stenting in Complex Cardiac Lesions, Multidiscip Cardio Annal. 2015 ; 6(1):e9048.

ARTICLE INFORMATION

Multidisciplinary Cardiovascular Annals: 6 (1); e9048
Published Online: September 24, 2016
Article Type: Abstract
Received: September 24, 2016
Accepted: February 05, 2015

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Abstract

Children's Medical Center, Tehran University of Medical SciencesChildren with diminished pulmonary blood flow (different forms of severe pulmonary stenosis or atresia) suffer from severe life-threatening cyanosis and need interventions to increase this flow. The classic way is a surgical modified BT shunt. However, this operation carries a 10% risk of death and a higher risk of morbidities like chylothorax, phrenic nerve palsy, and others .
A substitute to the surgery is ductal stenting. In many neonates, ductus arteriosus can be left open with the aid of prostaglandins and then by coronary or small peripheral stents to provide enough pulmonary blood flow. The procedure is less traumatic and equally successful. Based on the angle of ductus to the aorta and cardiac anatomy, it can be done via venous or arterial approach. The most fearing complication of the arterial approach is vascular injury which can be reduced almost to nil using small radial sheaths. Heart block is a frequent complication of the venous approach which may fail the procedure. Turtuosity of the ductus with acute angles may hamper its stenting. The whole length of the ductus should be stented; otherwise the unstented areas will contract and diminish the flow. Origin stenosis of the branch pulmonary arteries is a relative contraindication as ductal stenting may obliterate one or both branches.
In summary, ductal stenting is a reliable substitute to surgical shunt in many neonates with diminished pulmonary flow.

Keywords

Ductal Stenting

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