Table 1.

Clinical characteristics of the study population

			Subpulmonary pressure overloaded RV
	ccTGA	TGA	Total	TOF	Other*
Number	9	12	27	13	14
Men/women	4/5	7/5	13/14	5/8	8/6
Age (years)	25.9 (6.1)	22.8 (3.4)	28.3 (8.7)	27.1 (9.8)	29.4 (7.7)
RVSP (mm Hg) (range)	113.9 (110–125)	114.4 (90–134)	56.1 (35–100)	52.3 (35–76)	59.8 (35–100)
NYHA class I/II	5/4	3/9	21/6	10/3	11/3
SVT/no SVT	1/8	1/11	5/27	3/10	2/12
VT/no VT	2/7	0/12	2/27	0/13	2/12

Values are mean (SD).

ccTGA, congenitally corrected transposition of the great arteries; NYHA, New York Heart Association; RV, right ventricle; RVSP, right ventricular systolic pressure; SVT, supraventricular tachycardia; TGA, surgically corrected transposition of the great arteries; TOF, tetralogy of Fallot; VT, ventricular tachycardia.

*Nine patients with residual pulmonary valve stenosis, four with peripheral pulmonary stenosis, and one with primary pulmonary hypertension.