Opioid-free general anaesthesia for transthoracic oesophagectomy: does it improve postoperative analgesia and other recovery criteria? A prospective randomised study

Ain-Shams Journal of Anesthesiology

Table 3 Postoperative patients’ respiratory criteria and the incidence of early postoperative hypoxia and mechanical ventilation within first 6 h postoperatively

	Respiratory rate (RR)		P value	O2 saturation (SPO₂%)		P value
	Group (A) OFA	Group (B) OBA	P value	Group (A) OFA	Group (B) OBA	P value
Immediate post-extubation Mean ± SD	23.80 ± 2.37	24.20 ± 1.90	0.614	96.80 ± 0.77	97.20 ± 0.77	0.168
10 min postoperative Mean ± SD	21.87 ± 2.64	20.67 ± 1.99	0.172	95.47 ± 1.36	95.20 ± 0.86	0.526
20 min postoperative Mean ± SD	22.27 ± 2.15	25.33 ± 1.05	< 0.001	95.40 ± 0.83	93.33 ± 1.23	< 0.001^*
30 min postoperative Mean ± SD	23.20 ± 1.90	28.40 ± 2.38	< 0.001	93.73 ± 0.96	91.47 ± 1.19	< 0.001*
1 h postoperative Mean ± SD	22.27 ± 3.15	28.47 ± 2.56	< 0.001	94.27 ± 0.80	91.13 ± 1.13	< 0.001*
2 h postoperative Mean ± SD	25.60 ± 2.23	31.20 ± 2.21	< 0.001	91.60 ± 2.20	89.33 ± 2.23	0.009^*
3 h postoperative Mean ± SD	24.73 ± 2.052	25.133 ± 1.457	0.544	93.467 ± 1.408	92.600 ± 1.352	0.097
4 h postoperative** Mean ± SD	24.73 ± 1.4864	25.13 ± 2.232	0.569	92.067 ± 1.438	91.33 ± 2.257	0.299
5 h postoperative Mean ± SD	24.267 ± 2.282	25.93 ± 3.453	0.132	91.67 ± 1.397	91.4 ± 2.165	.692
6 h postoperative Mean ± SD	24.13 ± 2.326	25.067 ± 2.434	0.292	92.6 ± 1.298	92.53 ± 1.246	0.887
Incidence of postoperative hypoxia (SPO₂ ≤ 90%)	3 (20.0%)			6 (40.0%)		0.036*
Incidence of postoperative MV	2 (13.3%)			5 (33.3%)		0.029*

T student t test, X² = Chi square test, P was significant if < 0.05,*Significant at level 0.05