Safety and efficacy of balloon angioplasty compared to stent-based-strategies with pulmonary vein stenosis: A systematic review and meta-analysis

Table 1 Main demographics of patients treated with either balloon angioplasty or stenting included in meta-analysis

Ref.	Patients (n)	Mean age (yr)	Males (%)	Frequency of clinical symptoms; Dyspnea (%)	Hemoptysis (%)	Asymptomatic (%)	Severe PVS treated (n)
Qureshi et al[19]	19	51 ± 13	NA	95	63	5	37
Prieto et al[7]	44	53 ± 11	70	88	23	7	68
Neumann et al[6]	12	58	70	77	8	17	15
Fender et al[20]	113	50	77	67	27	0	178
Cory et al[5]	30	Median age-6.4 m	50	NA	NA	NA	58
Schoene et al[15]	39	62.1 ± 9.0	60	79	26	NA	61
Kurita et al[9]	31	7 mo	65	NA	NA	NA	53
Suntharos et al[8]	199	55 ± 12	78	83	13	13	319

NA: Not available; PVS: Pulmonary vein stenosis.