© 2002 by Heart
EDITORIAL
Vessel restenosis versus "streamlining"
Correspondence to:
Correspondence to:
Charles E Mullins, MD, Baylor College of Medicine, Cardiac Catheterization Laboratories, Texas Children’s Hospital, 6621 Fannin Street, Houston, Texas 77030, USA;
cmullins@houston.rr.com
Paediatric patients grow, therefore implanted stents must be capable of being redilated in order to accommodate this growth
Keywords: stents; congenital heart disease; restenosis; streamlining
| The first 150 words of the full text of this article appear below. |
Restenosis secondary to intimal hyperplasia within small diameter intravascular stents is a major problem in the adult population with atherosclerotic vascular disease. In contrast, most large series of stent implants in congenital lesions suggest that restenosis is rarely a problem. Schneider and colleagues, in this issue of Heart,1 point out that paediatric patients grow and that stents implanted in the paediatric population must be capable of being redilated to accommodate for the growth of the patient. Vessel growth occurs in proportion to the patient’s relative somatic growth rather than simply in relation to weight gain, and growth related relative stenosis of the appropriately stented vessel is unlikely until the patient’s body (and his vessels) have grown 30–50%.2
In a large series with medium to long term follow up at the Texas Children’s Hospital, excessive intimal hyperplasia within stents occurred only rarely.3–5 When it does occur, there is usually some
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