Table I.

Arterial blood gas levels (n=10).

Item	Control group	IIR group	IIR+NS group	IIR+DEX (10 µg/kg) group	IIR+DEX (30 µg/kg) group	IIR+DEX (90 µg/kg) group
pH	7.36+0.019	7.22+0.012a	7.21+0.033a	7.24+0.009 a	7.31+0.022b,c	7.29+0.013a
PaO2	97.34+2.76	74.33+1.63a	74.05+1.24a	76.42+1.72a	88.46+1.56a,c,e	82.74+1.20a,c,e
PaCO2	37.04+0.84	45.15+1.00a	44.22+1.78a	42.91+0.88a	39.79+1.00d	40.01+1.04d

^aP<0.01

^bP<0.05 vs. control group

^cP<0.01

^dP<0.05 vs. IIR + NS group.

^eP<0.05 vs. IIR + DEX (30 µg/kg) group. IIR, intestine ischemia reperfusion; DEX, dexmedetomidine; NS, normal saline.