Table 2.

Blood gases and statistically analysis.

		baseline mean ± SD	10 min mean ± SD	20 min mean ± SD	% change baseline-10 min median	% change baseline-20 min median
pCO2 arterial	Shunt PA -LΑ	32.98 ± 7.61	33.23 ± 6.06	34.25 ± 6.84	0.0	5.1
	Shunt RA -LΑ	32.98 ± 7.61	31.28 ± 7.07	32.65 ± 6.20	-1,39	0.30
	p-value	NS	NS	NS	NS	NS
pO2 arterial	Shunt PA -LΑ	377.02 ± 82.72	352.31 ± 76.01	335.65 ± 55.35*	-5.18	-8.78
	Shunt RA -LΑ	377.02 ± 82.72	362.27 ± 90.92	362.86 ± 90.10	0.0	0.0
	p-value	NS	NS	NS	NS	NS
O2Sat arterial	Shunt PA -LΑ	99.45 ± 0.94	99.24 ± 0.95	99.32 ± 0.88	-0.10	0.0
	Shunt RA -LΑ	99.45 ± 0.94	99.43 ± 0.90	99.59 ± 0.58	0.0	0.0
	p-value	NS	NS	NS	NS	NS
pH pulmonary artery (distal)	Shunt PA -LΑ	7.50 ± 0.09	7.44 ± 0.07	7.44 ± 0.08	-0.27	-0.66
	Shunt RA -LΑ	7.50 ± 0.09	7.44 ± 0.06	7.42 ± 0.07	-0.27	-0.94
	p-value	NS	NS	NS	NS	NS
pCO2 pulmonary artery (distal)	Shunt PA -LΑ	36.54 ± 8.25	43.22 ± 7.19*	42.78 ± 8.26*	11.11	11.11
	Shunt RA -LΑ	36.54 ± 8.25	40.13 ± 8.40	41.25 ± 7.61*	4.06	10.62
	p-value	NS	NS	NS	NS	NS
pO2 pulmonary artery (distal)	Shunt PA -LΑ	39.66 ± 6.40	33.40 ± 5.11**	33.19 ± 6.22**	-9.97	-14.65
	Shunt RA -LΑ	39.66 ± 6.40	33.48 ± 4.44**	35.66 ± 6.31*	-15.21	-5.47
	p-value	NS	NS	NS	NS	NS
O2Sat pulmonary artery (distal)	Shunt PA -LΑ	76.86 ± 9.63	65.58 ± 9.69**	64.98 ± 10.75**	-14.74	-14.28
	Shunt RA -LΑ	76.86 ± 9.63	64.75 ± 8.78**	65.83 ± 12.19*	-16.86	-7.39
	p-value	NS	NS	NS	NS	NS
pCO2 left atrium	Shunt PA -LΑ	36.10 ± 4.07	40.68 ± 4.31**	39.54 ± 5.15*	10.40	3.32
	Shunt RA -LΑ	36.10 ± 4.07	37.30 ± 4.80	35.84 ± 5.11	1.07	-6.63
	p-value	NS	0.052	0.058	0.016	0.023
pO2 left atrium	Shunt PA -LΑ	172.85 ± 43.10	99.27 ± 19.83**	118.23 ± 24.57**	-42.05	-25.50
	Shunt RA -LΑ	172.85 ± 43.10	114.47 ± 10.96**	121.30 ± 17.01**	-36.57	-29.94
	p-value	NS	0.015	NS	0.050	NS
O2Sat left atrium	Shunt PA -LΑ	99.10 ± 0.97	97.01 ± 2.20*	97.74 ± 1.88	-2.61	-1.00
	Shunt RA -LΑ	99.10 ± 0.97	97.46 ± 2.65	98.71 ± 0.89	-0.51	-0.31
	p-value	NS	NS	NS	NS	NS

** p < 0.005 vs. baseline, * p < 0.05 vs. baseline, $ p < 0.05 vs. 20 min