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KMID : 0367219920090010069
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Sejong Medical Journal
1992 Volume.9 No. 1 p.69 ~ p.76
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Distribution of Diagnostically Interested Anatomic Foci in the Examination by using Transesophageal Echocardiography in the Adult Cardiology
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Abstract
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Arterial switch operation (ASO) performed in the first two weeks of life is currently accepted as the corrective surgery for transposition of the great arteries (TGA) with intact ventricular septum (IVS). However, late referral, low birth weight,
and
other associated diseases occasionally made operation performed beyond the neonatal period.
We had 5 cases of two-stage arterial switch, whose ages at first-stage operation were 5.5, 15, 51, 3 and 26 months, and the interval periods between first-stage operation (pulmonary artery banding and shunt)and second-stage operation were 42, 46,
62, 7
and 16 days, respectively. Mean left to right ventricular pressure ratio measured by cardiac catheterization in 3 patients increased from 0.32 to 0.90 after the first-stage operation.
We did not experience any early death in these patients, but there was one late death at 135 days after ASO possibly due to coronary insufficiency. Grade I-II aortic regurgitations have been observed in all patients after ASO. In a patient, we
changed
ASO to aortopulmonary window with bidirectional cavopulmonary bypass because of severe biventricular failure.
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