Acute subdural haematoma exacerbates cerebral blood flow disorder and promotes the development of intraoperative brain bulge in patients with severe traumatic brain injury

Table 2 Comparison of the various indicators in the rat model

	Sham (n = 5)	DBI (n = 10)	DBI + SDH200 (n = 10)	DBI + SDH400 (n = 10)	F	P
Weight (g)	332.35 ± 12.85	328.19 ± 10.45	328.56 ± 15.15	327.06 ± 14.85	0.174	0.913
Normal MABP (mmHg)	87.74 ± 3.70	89.92 ± 5.15	90.45 ± 5.20	90.45 ± 3.28	0.492	0.690
Normal ICP (mmHg)	4.55 ± 0.96	4.31 ± 0.53	4.21 ± 0.56	4.54 ± 0.95	0.448	0.720
Normal ABG index
PH	7.40 ± 0.02	7.39 ± 0.04	7.40 ± 0.02	7.40 ± 0.03	1.89	0.152
PO2	130.00 ± 5.06	130.94 ± 8.90	135.56 ± 9.44	132.20 ± 4.96	0.844	0.480
PCO2	39.18 ± 2.36	39.75 ± 2.85	38.55 ± 3.07	38.46 ± 2.40	0.474	0.702
ABG index 6 h after modelling
PH	7.40 ± 0.07	7.36 ± 0.04	7.38 ± 0.03	7.39 ± 0.05	1.109	0.360
PO2	132.12 ± 4.56	126.59 ± 3.78	132.56 ± 8.54	128.75 ± 4.42	2.146	0.114
PCO2	36.20 ± 1.97	37.67 ± 3.52	35.88 ± 2.59	36.24 ± 2.73	0.755	0.528

ABG: arterial blood gas; DBI: diffuse brain injury; ICP: intracranial pressure; MABP: mean arterial pressure; SDH: subdural haematoma

ISSN: 2047-783X