All issues > Volume 35(6); 1992

Original Article

J Korean Pediatr Soc. 1992;35(6):795-803. Published online June 15, 1992.

Short-Term Results of Arterial Switch Operation for Transposition of Great Arteries

Yong Soo YS Yun¹, Yong Won YW Park¹, Chul Il CI Noh¹, Jung Yun JY Choi¹, Yong Jin YJ Kim², Joon Ryang JR Rho², Kyung Pil KP Suh²

¹Department of Peidatrics, Seoul National University College of Medicine, Seoul, Korea
²Department of Thoracic and Cardiovascular Surgery, Seoul National University College of Medicine, Seoul, Korea

Abstract

The operative results of 50 cases who underwent arterial switch operation from January, 1986 to March, 1991 were evaluated. The results were summarized as follows ; 1) Three main combined cardiac defects of ASO cases were PDA(60%), VSD(56%) and ASD(46%), and most common type of VSD was perimembranous(64.3%) and most frequent pattern of coronary artery was usual pattern of TGA (84%). 2) The average mortality rate was 44.0%, which comprised 54.5% in TGA with IVS group including two late deaths, 40.0% in TGA with VSD group and 0% in DORV (Taussig-Bing type) group. 3) The annual mortality rate showed decreasing tendency ; 100% in 1986, 60%, in 1987, 66.7% in 1988, 40% in 1989, and 34.8% after 1990. 4) During short term follow-up period, survivors showed relatively good postoperative status including LV contractility without significant RVOT or LVOT obstruction, in spite of several complications.

Keywords :Transposition of the great arteries, Arterial switch operation