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Cardiovascular changes in children with coarctation of the aorta treated by endovascular stenting

Journal of Human Hypertension volume 28, pages 372–377 (2014)Cite this article

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Abstract

The aim of this study was to investigate the echocardiographic, biochemical short- and mid-term effects of the stenting procedure on left ventricular function, aortic stiffness, elasticity and systemic hypertension in children with coarctation of the aorta (CoA). Fifteen patients with native or recurrent CoA and 30 healthy controls who were sex and age matched were included in the study. The blood pressure values, echocardiographic measurements, elastic functions of ascending aorta and serum N-Terminal ProBNP (NT-ProBNP) levels were recorded prospectively before and at the first and sixth month after stenting. The mean arterial pressure recorded before stenting was 134.4±16.3 mm Hg; at the sixth month it was 115.5±9.5 mm Hg and in the control group it was 107.3±9.4 mm Hg. Although blood pressure levels were lower compared with the pre-stenting measurements (P<0.05), they were still significantly higher compared with the control group (P<0.05). Although a significant reduction was detected in the LVMIz at the end of the sixth month (50.4±14.3 g m−2.7) compared with the baseline (66.6±17.9 g m−2.7; P<0.05), it was still higher compared with the control group (35.7±6.2 g m−2.7; P<0.05). The baseline aortic elasticity (6.4±3.4 cm2 dyn−1 10−6) was lower compared with the control group (10.0±1.7 cm2 dyn−1 10−6; P<0.05), and prestenting aortic stiffness was higher than that of the control group (5.6±1.6 dyn−1 10−6; 2.5±0.45 dyn−1 10−6; P<0.05). A statistically significant negative correlation was detected between the pressure gradient at the lesion site and aortic elasticity (r: −0.53, P: 0.04). Although resolution of the coarctation by endovascular stenting led to a reduction in the arteriopathy that had already begun before treatment, it was demonstrated that these children did not completely return to normal.

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Authors and Affiliations

  1. Department of Pediatric Cardiology, Erciyes University Medical Faculty, Kayseri, Turkey

    S S Sezer, N Narin, A Ozyurt, S H Onan, O Pamukcu, M Argun, A Baykan & K Uzum

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  1. S S Sezer
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Correspondence to A Ozyurt.

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Sezer, S., Narin, N., Ozyurt, A. et al. Cardiovascular changes in children with coarctation of the aorta treated by endovascular stenting. J Hum Hypertens 28, 372–377 (2014). https://doi.org/10.1038/jhh.2013.119

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  • DOI: https://doi.org/10.1038/jhh.2013.119

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