TABLE 2.

Classification of pulmonary hypertension among the study population.

	All (n = 71)	Successful RFCA (n = 54)	Failed RFCA (n = 6)	None RFCA (n = 11)
Idiopathic and heritable pulmonary arterial hypertension	22 (31.0%)	17 (31.5%)	1 (16.7%)	4 (18.2%)
Pulmonary arterial hypertension associated with congenital heart disease	38 (53.5%)	28 (51.9%)	5 (83.3%)	5 (45.5%)
Pulmonary hypertension due to left heart disease	4 (5.6%)	2 (3.7%)	0 (0.0%)	2 (50.0%)
Pulmonary hypertension due to lung disease/hypoxia	1 (1.4%)	0 (0%)	0 (0%)	0 (0%)
Chronic thromboembolic pulmonary hypertension	4 (5.6%)	4 (7.4%)	0 (0%)	0 (0%)
Pulmonary hypertension due to pulmonary vasculitis	2 (2.8%)	2 (2.7%)	0 (0%)	0 (0%)

Data are presented as the n (%). RFCA, radiofrequency catheter ablation.