Arterial duct stent versus surgical shunt for patients with duct-dependent pulmonary circulation: a meta-analysis

Table 2 The pooled estimates of baseline characteristics and secondary outcomes

Parameters	Studies	Participants	RR/MD	95% CI	p value	Model	Heterogeneity
Parameters	Studies	Participants	RR/MD	95% CI	p value	Model	I² (%)	p value
Baseline characteristics
Age	6	757	0.64	− 1.98, 3.26	0.63	Random	96	< 0.001
Weight	6	757	0.07	− 0.03, 0.17	0.18	Random	79	< 0.001
Conduit size	4	345	− 0.44	− 1.72, 0.83	0.50	Random	99	< 0.001
Cardiac anomaly
PAIVS	4	667	1.67	0.73, 3.85	0.23	Random	95	< 0.001
PAVSD	2	611	0.79	0.18, 3.46	0.75	Random	95	< 0.001
TOF/DORV	4	371	0.58	0.35, 0.96	0.03	Random	0	0.62
TGA	3	344	1.24	0.73, 2.13	0.42	Random	0	0.64
TA	4	701	0.50	0.28, 0.90	0.02	Random	0	0.48
Ventricle physiology
Single ventricle	4	701	0.82	0.68, 0.98	0.03	Fixed	0	0.50
Double ventricle	4	701	1.23	1.07, 1.41	0.004	Fixed	47	0.13
Perioperative outcomes
Procedural complications	4	476	0.49	0.30, 0.81	0.005	Fixed	0	0.46
Unplanned reintervention	5	727	1.20	0.56, 2.56	0.64	Random	77	0.005
Early mortality	5	505	0.70	0.28, 1.76	0.44	Fixed	3	0.39
ICU stay	2	611	− 4.00	− 5.96, − 2.04	< 0.001	Random	98	< 0.001
Follow-up outcomes
Time to repair	5	722	− 23.43	− 57.73, 10.87	0.18	Random	95	< 0.001
Diameter of LPA	2	289	− 0.39	− 0.68, − 0.11	0.006	Random	65	0.09
Diameter of RPA	2	289	0.49	− 0.30, 1.27	0.22	Random	96	< 0.001
Nakata index	4	673	7.32	− 13.89, 28.52	0.50	Random	96	< 0.001
McGoon ratio	2	62	0.10	− 0.13, 0.33	0.39	Fixed	0	1.00
SaO2	5	400	0.23	− 2.37, 2.83	0.86	Random	79	< 0.001

RR risk ratio, MD mean difference, CI confidential interval, PAIVS pulmonary atresia with intact ventricular septum, PAVSD pulmonary atresia with ventricular septum defect, TOF tetralogy of Fallot, DORV double outlets of right ventricle, TGA transposition of great arteries, TA tricuspid atresia, ICU intensive care unit, LPA left pulmonary artery, RPA right pulmonary artery, SaO2 oxygen saturation

ISSN: 1471-2261