 Following balloon angioplasty of coarctation of the aorta, there was slight fall in the mixed venous saturation and an increase in systemic arterial saturation as the fall in left ventricular systolic pressure from 99 mmHg to 92 mmHg. 
Following balloon angioplasty of coarctation of the aorta , there was slight fall in the mixed venous saturation and an increase in systemic arterial saturation as the fall in left ventricular systolic pressure from 99 mmHg to 92 mmHg .