Electrical Stimulation-Guided Approach to Pulmonary Artery Catheter Ablation in Patients with Idiopathic Pulmonary Arterial Hypertension: A Pilot Feasibility Study with a 12-Month Follow-Up

Table 1

Patient clinical characteristics.

	Age, years	PAH classification	PAH therapy	Concomitant diseases	Time from PAH symptoms, years	History of syncope	Loop diuretics
Patient 1	40	IPAH long-term responder to CCB	Amlodipine	Anemia	13	No	No
Patient 2	32	IPAH	Sildenafil + ambrisentan	No	1.3	Yes	Yes
Patient 3	41	IPAH long-term responder to CCB	Diltiazem	Exogenous allergic alveolitis	2	No	No

IPAH: idiopathic pulmonary arterial hypertension; FC (WHO): functional class of pulmonary arterial hypertension according to World Health Organization; 6MWT: 6-min walk distance; CCB: calcium channel blockers.