Analgesic effect of ultrasound-guided bilateral transversus abdominis plane block in laparoscopic gastric cancer

Table 1 Comparison of general data between two groups

Group	Gender (male/female)	Age (yr, mean ± SD)	BMI (kg/m2, mean ± SD)	ASA grade (I/II)	Operation time (min, mean ± SD)	Intraoperative bleeding (mL, mean ± SD)	Sufentanil consumption (μg, mean ± SD)
TAPB group (n = 45)	25/20	59.56 ± 6.82	23.08 ± 0.58	23/22	148.52 ± 22.63	135.81 ± 22.56	25.36 ± 4.88
Epidural anesthesia group (n = 40)	23/17	59.08 ± 6.94	22.84 ± 0.65	21/19	150.97 ± 20.51	136.44 ± 22.79	27.12 ± 4.15
Statistical value	0.033	0.321	1.799	0.017	0.521	0.128	1.779
P value	0.857	0.749	0.076	0.898	0.604	0.899	0.079

BMI: Body mass index; ASA: American Society of Anesthesiologists; SD: Standard deviation; TAPB: Transversus abdominal plane block.

Table 2 Comparison of visual analog scale scores between two groups (points, mean ± SD)

Group	6 h after surgery	12 h after surgery	24 h after surgery	48 h after surgery
TAPB group (n = 45)	2.53 ± 0.44	2.31 ± 0.39	2.01 ± 0.31	1.32 ± 0.29
Epidural anesthesia group (n = 40)	2.78 ± 0.39	2.69 ± 0.45	2.55 ± 0.37	1.92 ± 0.36
t value	2.757	4.171	7.319	8.501
P value	0.007	< 0.001	< 0.001	< 0.001

SD: Standard deviation; TAPB: Transversus abdominal plane block.

Table 3 Comparison of cognitive function between two groups

Group	Incidence of POCD, n (%)	MMSE score
		Before surgery	24 h after surgery
TAPB group (n = 45)	2 (4.44)	27.94 ± 0.78	25.63 ± 1.25
Epidural anesthesia group (n = 40)	9 (22.50)	27.82 ± 0.84	24.45 ± 2.97
Statistical value	6.128	0.683	2.435
P value	0.013	0.497	0.017

TAPB: Transversus abdominal plane block; POCD: Postoperative cognitive dysfunction; MMSE: Mini-mental State Examination.

Table 4 Comparison of intestinal barrier function indicators between two groups (mg/L, mean ± SD)

Group	DAO		D-LA
	Before surgery	24 h after surgery	Before surgery	24 h after surgery
TAPB group (n = 45)	4.64 ± 0.85	3.17 ± 0.72	5.28 ± 0.67	4.21 ± 0.44
Epidural anesthesia group (n = 40)	4.52 ± 0.91	3.85 ± 0.64	5.09 ± 0.78	4.63 ± 0.32
t value	0.628	4.578	1.208	4.978
P value	0.531	< 0.001	0.230	< 0.001

SD: Standard deviation; TAPB: Transversus abdominal plane block; DAO: Diamine oxidase; D-LA: D-lactate.

Table 5 Comparison of postoperative recovery quality between two groups

Group	Agitation score	Incidence of agitation during the recovery period, n (%)
TAPB group (n = 45)	4.21 ± 0.85	0 (0.00)
Epidural anesthesia group (n = 40)	5.08 ± 0.66	5 (12.50)
Statistical value	5.222	5.977
P value	< 0.001	0.015

TAPB: Transversus abdominal plane block.

Table 6 Comparison of postoperative complication rates between two groups

Group	Nausea and vomiting (cases)	Respiratory depression (cases)	Hypotension (cases)	Total incidence rate (%)
TAPB group (n = 45)	2	0	0	4.44
Epidural anesthesia group (n = 40)	5	0	3	20.00
χ2 value				4.936
P value				0.026

TAPB: Transversus abdominal plane block.