Abdominal compartment syndrome in patients with severe acute pancreatitis in early stage

Table 3 Changes in physiological variables after invasive decompressive procedure in patients with ACS (n = 13, mean ± SD)

Variable	Before decompression	After decompression	t value	P value
MAP (mmHg)	53.77 ± 8.98	74.15 ± 6.68	7.23	< 0.001
UBP (mmHg)	36.69 ± 5.33	18.31 ± 3.25	- 8.77	< 0.001
UO (mL/h)	21.76 ± 13.42	85.78 ± 18.46	13.29	< 0.001
CVP (mmHg)	15.01 ± 5.24	13.02 ± 5.01	- 1.97	0.072
BE	-9.31 ± 3.09	-1.69 ± 2.59	6.67	< 0.001
PH	7.28 ± 0.10	7.36 ± 0.06	2.35	0.037
PaO2/FiO2 (mmHg)	129.22 ± 41.30	229.24 ± 63.47	4.33	0.001
PAP (cmH2O)	41.23 ± 12.90	24.46 ± 5.41	- 4.25	0.001
HR (bpm)	132.38 ± 13.68	111.62 ± 12.85	- 5.19	< 0.001
PaCO2 (mmHg)	47.61 ± 11.24	38.63 ± 5.78	- 2.38	0.034
Lactate (mmol/L)	4.48 ± 0.95	2.02 ± 0.80	- 8.11	< 0.001

MAP: Mean arterial pressure; UBP: Urinary bladder pressure; UO: Urine output; CVP: Central venous pressure; BE: Arterial base deficits; pH: Arterial Ph; PaO₂/FiO₂ (MRI): Arterial oxygen partial pressure/fraction of inspired oxygen; PAP: Peak airway pressure; HR: Heart rate; PaCO₂: Arterial carbon dioxide partial pressure; Lactate: Arterial lactic acid.