coarctation

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coarctation

[‚kō·ärk′tā·shən]
(medicine)
A compression of the wall of a vessel, narrowing the lumen and reducing the volume (or flow).
A stricture or occlusion resulting from an outside force deforming a vessel.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Our primary endpoint was re coarctation (arm-leg BP difference >20 mm Hg and >20 mm Hg PG across the stented segment on TTE or invasive gradient measurements by cardiac catheterizatiion and >10% of the stent lumen obstruction within the stent on CT angio).
11 (44%) had near atretic coarctation (3mm or less dia).
The usual presence of arch hypoplasia or tubular coarctation also entails excessive pulling and tension on the suture lines.
Even with declining interest in SFA in most centers we believe SFA still has a role in repairing coarctation in neonates and small infants.
Coarctation of the aorta: from fetal life to adulthood.
Early diagnosis of coarctation of the aorta in children: a continuing dilemma.
Case reports suggest that subatretic coarctation, can be perforated with stiff guidewire, thus creating neoaortic lumen, and then it is possible to be treated by stent placement.
* Retrograde and antegrade angiography revealed subatretic coarctation
As a part of workup for hypertension, an echocardiogram revealed coarctation of abdominal aorta.
DISCUSSION: Coarctation of aorta is a defect of constricted aortic segment with localized medial layer thickening causing posterior in folding or posterior shelf.
Although ostium secundum atrial septal defects are among the commonest congenital cardiac malformations in adults accounting for 30-40% of naturally surviving patients over age 40 years (5), it is extremely rare in association with coarctation of aorta.
Both anatomic continuity and luminal patency of the aorta are preserved in coarctation of aorta.