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ID 111113
Author
Kawatani, Yohei Tokushima University
Kameta, Kanako Tokushima University
Ono, Akemi Tokushima University
Fujita, Hiroshi Imabari Daiichi Hospital
Sogabe, Hitoshi Imabari Daiichi Hospital
Keywords
congenital mitral stenosis
open mitral commissurotomy
hypoplastic left ventricle
short chordae
long-term results
Content Type
Journal Article
Description
The strategy for an infant with congenital mitral stenosis should be determined by three important factors : left ventricular volume, the degree of the systemic outflow tract obstruction, and the type of mitral valve dysfunction. A successful staged biventricular repair in early infancy for a patient who had congenital mitral stenosis with short chordae, hypoplastic left ventricle and coarctation of the aorta, and the long-term results are described. There were the following important hemodynamic factors that led to the successful biventricular repair in the patient. Total systemic output was barely supplied through the hypoplastic left ventricle after closure of the ductus arteriosus on admission. The neonate underwent repair of coarctation of the aorta alone as the initial stage at 9 days after birth. Also, spontaneous closure of the foramen ovale following repair of coarctation of the aorta accelerated the progressive left ventricular growth. Open mitral commissurotomy with an interatrial fenestration using the modified Brawley’s approach was performed for a 40-day-old infant. Good left ventricular growth and good mitral valve function have been observed for 18 years after open mitral commissurotomy. Appropriate early augmentation of left ventricular inflow through the mitral valve might be effective for growth of a hypoplastic left ventricle.
Journal Title
The Journal of Medical Investigation
ISSN
13496867
13431420
NCID
AA11166929
AA12022913
Publisher
Faculty of Medicine Tokushima University
Volume
64
Issue
1-2
Start Page
187
End Page
191
Sort Key
187
Published Date
2017-02
EDB ID
DOI (Published Version)
URL ( Publisher's Version )
FullText File
language
eng
TextVersion
Publisher
departments
Medical Sciences
University Hospital