Tonometry to estimate intestinal perfusion in newborn piglets

Table 1

Mean (SD) SMA flow, gastric intramucosal pH, rCO₂, serum lactate

Time (min)		% change in SMA flow				Gastric intramucosal pH			rCO₂		Lactate (mM/l)
Time (min)		Controls	Epinephrine			Controls	Epinephrine		Controls	Epinephrine	Controls	Epinephrine
0	0	0^a		7.32 (0.06)^a	7.28 (0.17)^a		1.36 (0.35)	1.26 (0.24)^a	3.71 (1.5)^a	3.46 (1.1)^a
60	20.3 (18.7)	10.5 (17.6)^a		7.22 (0.07)^b	7.13 (0.12)^b		1.64 (0.53)	1.82 (0.39)^b	3.36 (2.0)^a	4.39 (1.2)^b
120	17.9 (19.1)^*	−21.5 (25.2)^{^*b}		7.19 (0.08)^b	7.10 (0.11)^b		1.71 (0.27)	1.88 (0.38)^b	2.83 (1.4)^b	4.97 (1.4)^b
180	15.8 (27.9)^*	−47.7 (16.7)^{^*c}		7.20 (0.06)^b	7.05 (0.13)^b		1.66 (0.16)^*	2.22 (0.49)^{^*b}	2.13 (1.2)^{^*b}	5.49 (1.6)^{^*b}
240	14.7 (38.8)	−14.8 (24.2)^a ^b		7.18 (0.07)^b	7.09 (0.16)^b		1.71 (0.32)	2.15 (0.72)^b	2.17 (1.6)^{^*b}	5.09 (1.6)^{^*b}

SMA: superior mesenteric artery; rCO₂: ratio of PCO₂ in tonometer over PCO₂ in arterial blood;^*p<0.05 v controls
^a,b,c: numbers with different superscript are significantly different within the same column

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Tonometry to estimate intestinal perfusion in newborn piglets

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