Follow-up of aortic coarctation repair in neonates
Abstract
The purposes of this study were to assess the growth of left heart (LH) structures, to evaluate midterm outcomes, and to define echocardiographic parameters predictive of increased risk of re-intervention in patients born with aortic coarctation and hypoplasia of LH structures that underwent neonatal coarctation repair. Neonatal coarctation is often associated with hypoplasia of LH structures. Although previous studies have shown that coarctation repair can be performed with good results in these neonates, there are little data regarding growth of the LH structures or outcomes in these patients. Patients with isolated coarctation and at least one hypoplastic LH valve (mitral or aortic Z-score <-2) who underwent a neonatal coarctation repair were identified. Clinic charts and the latest echocardiograms were reviewed. All 55 patients were alive and well, and no patient had clinical evidence of mitral stenosis. Three patients (5%) required re-intervention. Thirty-eight patients had echocardiograms that demonstrated normal left ventricular (LV) size and function with a follow-up duration of 73 +/- 19 months (range 3 to 9 years). Both mitral and aortic annulus Z-scores increased significantly: -3.1 +/- 1.5 to -0.5 +/- 1.6 (p < 0.001...Continue Reading
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