A comparison of thoracic or lumbar patient-controlled epidural analgesia methods after thoracic surgery

Table 2 The comparison of PaO ₂ , PaCO ₂ , serum CK-MB and troponin values preoperatively and postoperatively at 6 and 24 hour between groups

	Preoperative	*P	Postoperative 6th hour	*P	Postoperative 24th hour	*P
PaO₂ (mmHg)
TEA	126.54 ± 33.75	0.252	146.88 ± 51.2	0.185	135.37 ± 56.65	0.149
LEA	135.86 ± 51.89	0.252	134.67 ± 49.12	0.185	151.21 ± 62.17	0.149
PaCO₂ (mmHg)
TEA	41.86 ± 8.28	0.152	41.32 ± 9.39	0.131	42.11 ± 7.43	0.059
LEA	39.46 ± 9.78	0.152	43.84 ± 7.7	0.131	44.89 ± 8.47	0.059
CK-MB (U/L)
TEA	18.5 (13-55)	0.623	22.5 (12-46)	0.243	17.5 (16-35)	0.061
LEA	20 (12-25)		16 (11-26)		19.5 (23-35)	0.061
Troponin (ng/mL)
TEA	0.02 (0.01-0.6)	0.758	0.3 (0.08-0.75)	0.326	0.2 (0.05-0.60)	0.503
LEA	0.04 (0.01-0.25)		0.25 (0.09-0.55)		0.15 (0.06-0.75)	0.503

TEA, thoracic epidural group; LEA, lumbar epidural group; PaO₂, arterial partial pressure of oxygen; PaCO₂, arterial partial pressure of carbon dioxide; *P < 0.05, values are mean ± standard deviation or median (minimum-maximum).

ISSN: 1477-7819