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[Right ventricular outflow tract reconstruction].

Authors: Yusuke, Yamamoto; Masaaki, Yamagishi;

[Right ventricular outflow tract reconstruction].

Abstract

With the increase of adult patients who need repeated surgery long after definitive repair of congenital heart defects in their childhood, right ventricular outflow tract reconstruction (RVOTR) is gaining more importance. From the viewpoint of timing and indication of surgical intervention, early primary repair and annulus preserving procedure have been the 2 current standards of RVOTR;however, long term outcome of both procedures has to be determined by further study. Although a wide variety for materials are used for pulmonary valve replacement in RVOTR, deficient longevity is one of the most common problems, especially when used for young patients mainly due to immunological rejection. In our institute, we originally developed and manufactured expanded polytetrafluoroethylene (ePTFE) valved patches/conduits, which showed excellent clinical results in a former multicenter study in Japan. This improved outcome may partly be attributable to the biocompatibility and low antigenicity of ePTFE and also to the fluid dynamical properties arising from the 2 characteristic structures:bulging sinus and fan-shaped valve. However, to achieve better patients prognosis with good quality of life,there still remains a lot of problems to be solved concerning RVOTR, such as indication and timing of definitive repair and choice of materials for pulmonary valve replacement. This review describes recent surgical strategies and remaining problems of RVOTR.

Keywords

Heart Defects, Congenital, Heart Valve Prosthesis, Humans, Plastic Surgery Procedures, Polytetrafluoroethylene, Ventricular Outflow Obstruction

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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