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CC BY 4.0 · Aorta (Stamford) 2022; 10(05): 235-241
DOI: 10.1055/s-0042-1750097
Original Research Article

Evaluating the Effectiveness of Stenting for Aortic Coarctation

Constantinos Contrafouris
1   1st Cardiac Surgery Department, “Onassis” Cardiac Surgery Center, Athens, Greece
,
Constantine N. Antonopoulos
2   Department of Vascular Surgery, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
,
Spyridon Rammos
3   Department of Pediatric Cardiology, “Onassis” Cardiac Surgery Center, Athens, Greece
,
Meletios Kanakis
4   Department of Pediatric and Congenital Heart Surgery, “Onassis” Cardiac Surgery Center, Athens, Greece
,
Konstantinos Petsios
5   Nursing Clinical Research Office, “Onassis” Cardiac Surgery Center, Athens, Greece
,
John D. Kakisis
2   Department of Vascular Surgery, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
,
George Geroulakos
2   Department of Vascular Surgery, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
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Abstract

Background Coarctation of the aorta (CoA) is a congenital cardiovascular malformation involving narrowing of the thoracic aorta just distal to the left subclavian artery. The aim of our study was to evaluate the hemodynamic effects of endovascular treatment for CoA by using invasive aortic catheterization.

Methods All patients with CoA who underwent treatment by aortic stent implantation between September 1, 2003, and February 1, 2019, at the “Onassis Cardiac Surgery Center,” in Athens, Greece, were evaluated. Patients were treated with either bare (uncovered) Cheatham-Platinum (bCP) or covered Cheatham-Platinum (cCP) stent implantations. Invasive aortic pressure measurements were recorded before and after the endovascular intervention.

Results A total of 48, eight zig CP stents, comprising 24 bCP and 24 cCP stents were implanted in 47 patients. The mean aortic diameter (mm) at the CoA lesion increased from 9.7 ± 3.3 to 19.2 ± 2.9 mm (p <0.01) after the endovascular procedure. The invasive mean blood pressure (BP; mm Hg) from catheterization in the descending aorta increased (before = 114.2 ± 12.8 vs. after = 135.5 ± 28.1; p <0.01), while the invasive mean BP (mm Hg) from catheterization in the ascending aorta was decreased (before = 156.8 ± 25.0 vs. after = 138.4 ± 27.5; p <0.01) after the intervention. The mean aortic BP gradient decreased in both types of stents after intervention (BP gradient among patients with cCP stents = 30.9 +/− 23.6 mmHg and BP gradient among patients with bCP stents = 38.0 +/−23.1 mmHg). However, there was no statistically significant difference between the two types of stents; p = 0.36.

Conclusions Invasive aortic catheterization provided evidence that endovascular stenting with either bare or covered stents is efficient in treating patients with CoA.

Keywords

aortic coarctation - endovascular - stent - covered - uncovered


Publication History

Received: 30 May 2021

Accepted: 27 March 2022

Article published online:
20 December 2022

© 2022. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

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