Does Maturity Affect Cephalic Perfusion and T/QRS Ratio during Prolonged Umbilical Cord Occlusion in Fetal Sheep?

Table 1

Baseline physiological data.

Group	Weight (g)	T/QRS ratio	FHR (bpm)	MAP (mmHg)	CaBF (mL/min)
0.6 GA	1283±155^∗†	0.03±0.0^†	189.5±3.4^†	35.5±0.7^∗†	11.0±1.5^∗†
0.7 GA	1623±126^‡	0.04±0.0^‡	191.3±4.0^‡	37.3±0.5^‡	42.2±3.8^‡
0.8 GA	3329±170	−0.11±0.0	171.7±5.5	43.6±0.6	59.1±7.5

GA: gestation; FHR: fetal heart rate; MAP: mean arterial pressure; CaBF: carotid blood flow. Baseline values represent averaged data of one hour before occlusion. Data are means ± SEM; between group comparisons by one-way ANOVA and LSD test. *𝑃<0.05; 0.6 GA versus 0.7 GA, ^†𝑃<0.05; 0.6 GA versus 0.8 GA, and ^‡𝑃<0.05; 0.7 GA versus 0.8 GA.