Repeat Dilation of Intravascular Stents in Congenital Heart Defects

Author:

Ing Frank F.1,Grifka Ronald G.1,Nihill Michael R.1,Mullins Charles E.1

Affiliation:

1. From Schneider Children’s Hospital, Department of Pediatric Cardiology, New Hyde Park, NY (F.F.I.), and Texas Children’s Hospital, Department of Pediatric Cardiology, Houston, Tex (R.G.G., M.R.N., C.E.M.).

Abstract

Background Intravascular (Palmaz) stents have been successfully implanted in patients with congenital and acquired branch pulmonary stenosis. Early results are excellent; however, there is no information on restenosis and repeat dilation in patients with congenital heart disease. The purpose of this study is to review the incidence of restenosis and demonstrate the safety and efficacy of repeat dilation of stents in this group of patients. Methods and Results Of 94 patients with 163 implanted stents in this single-center study, 43 patients with 73 implanted stents underwent recatheterization. Only 2 of 73 restudied stents (3%) developed significant restenosis. In 20 patients, 30 stents were redilated. At stent implantation, the mean age of this subgroup was 14.2 years, the mean intraluminal diameter increased from 4.9 to 10.7 mm ( P =.0001), and the systolic gradient (mean) across the stent decreased from 52 to 11 mm Hg ( P =.0001). At recatheterization (mean, 13 months), all stents were patent. The mean diameter decreased by 1.2 mm ( P =.0001), but the increase in the gradient (mean, 3 mm Hg) was not significant ( P =.11). After repeat dilation, the diameter increased from 9.5 to 12.2 mm ( P =.0001), and the gradient decreased from 14 to 8 mm Hg ( P =.0003). The 2 stents with restenosis were redilated successfully. Two patients underwent a successful second redilation of 3 stents at 18 and 26 months. There were no complications. Conclusions All stents remained patent. The occurrence of significant restenosis is low (3%), and these restenoses can be redilated and/or restented. Repeat dilation of the Palmaz stent implanted in branch pulmonary artery stenosis can be performed with safety and efficacy (94% success rate) up to 3 years after stent implantation.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Physiology (medical),Cardiology and Cardiovascular Medicine

Cited by 123 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Pediatric Catheter Intervention;Pediatric Cardiology;2024

2. Pediatric Catheter Intervention;Pediatric Cardiology;2023

3. Catheter Intervention;Pediatric Cardiology;2023

4. Stretched to the Limit: Comparing Polytetrafluoroethylene-Covered Endovascular Stents Through Serial Dilations;Journal of the Society for Cardiovascular Angiography & Interventions;2022-03

5. The outcome of percutaneous stent implantation in congenital heart disease: experience of a single institute;Korean Journal of Pediatrics;2018

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3