Physiologic Responses to Infrarenal Aortic Cross-Clamping during Laparoscopic or Conventional Vascular Surgery in Experimental Animal Model: Comparative Study

Table 2

Central venous pressure (CVP), cardiac output (CO) in pigs anesthetized with sevoflurane, fentanyl, and vecuronium and undergoing aortic cross-clamping through laparotomy (Group I) or laparoscopy with (Group II) or without aortic cross-clamping (Group III).

	CVP (cm H2O)			CO (L/min)
Times	Group I	Group II	Group III	Group I	Group II	Group III
T1	5.3±1.4	3.6±0.5	4.0±0.5	4.16±0.61	4.06±0.62	3.57±0.48
T2	5.0±1.8	6.4±3.2^*	7.3±1.2^*	4.13±0.52	3.49±0.73	3.08±0.36
T3	4.2±2.1	6.2±3.4^*	6.6±0.4^*	4.12±1.04	2.80±1.21^*	2.67±0.15^*
T4	5.8±2.7	4.8±2.5	5.5±0.6	3.40±1.21	3.12±1.42^*	2.88±0.26
T5	4.8±3.2	4.8±3.5	3.4±1.6	6.50±2.12^*	5.50±1.88^*	3.18±0.40^†
T6	5.5±3.0	1.6±0.5	2.7±0.9	5.28±1.67	4.88±1.86	3.40±0.67^†
T7	5.8±2.6	2.6±1.5	2.6±1.5	4.90±1.11	4.54±1.01	3.45±0.60^†

Data are expressed as mean ± SD.
^*Significant changes from baseline (𝑃<.05).