Table 1: Demographic and Procedural Outcomes in Patients with Cardiogenic Shock Treated with Veno-arterial Extracorporeal Membrane Oxygenation Undergoing Atrial Septostomy.

	Koenig et al.[14]	Lin et al.[15]	Prasad et al.[17]
n	4	15	9
Baseline characteristics
Age (years)	4 days–5 years	51 (40–58)	46 (31–68)
Male sex (%)	–	60	56
Myocarditis/ICMP/DCMP/VT/CA/AR	4/0/0/0/0/0	5/7/1/2/0/0	–
Procedural characteristics
Procedural success	4/4	15/16	9/9
Haemodynamic outcomes
	LAP (mmHg): Baseline Post-procedural	– –	29* 13*	32(28–42) 21(13–28)
	VPW (mm): Baseline Post-procedural	– –	– –	76.6 (68.5–91.7) 57.9 (56.4–71.2)
	Clinical outcomes
Veno-arterial extracorporeal membrane oxygenation duration (days)	4–8	15 (10–22)	14 (10–21)
In-hospital death, n (%)	1 (25)	7 (46.7)	5 (55.6%)

*Measured in three patients. Values are median (interquartile range) or range. AR = acute rejection; CA = cardiac arrest; DCMP = dilated cardiomyopathy; ICMP = ischaemic cardiomyopathy; LAP = left atrial pressure; VPW = vascular pedicle width; VT = ventricular tachycardia.