Prevention of seroma after laparoscopic totally extraperitoneal hernia repair: a retrospective analysis

doi:10.16139/j.1007-9610.2025.05.08

Abstract

Abstract:

Objective To evaluate the efficacy of intraoperative negative pressure drainage in preventing seroma after laparoscopic totally extraperitoneal (TEP) hernia repair. Methods A total of 200 patients undergoing TEP repair in our hospital from January 2022 to December 2022 were divided into two groups (n=100 each). The study group received intraoperative negative pressure drainage, while the control group did not. Therapeutic outcomes and postoperative complications were compared between the two groups. Results There were no significant differences between the two groups in operative time, pain scores, incidence of wound infection, or recurrence rates (P > 0.05). However, the study group showed a significantly lower incidence of postoperative seroma compared to the control group (P < 0.05). For direct hernias, the operative time in the study group was significantly shorter than that in the control group (P < 0.05). No mesh infections were observed in either group. Conclusions Prophylactic negative pressure drainage significantly reduces seroma formation without increasing other postoperative complications and is easy to be performed. The application of negative pressure drainage is recommended in cases of scrotal and direct hernias.

Key words: Laparoscopic totally extraperitoneal(TEP) hernia repair, Inguinal hernia, Seroma, Negative pressure drainage

CLC Number:

R656.2

LIU Dejun, HU Xingchen. Prevention of seroma after laparoscopic totally extraperitoneal hernia repair: a retrospective analysis[J]. Journal of Surgery Concepts & Practice, 2025, 30(05): 423-427.

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Group	Study group(n=100)	Control group(n=100)	Statistical value	P value
Male/Female	97 (97.0) / 3 (3.0)	94 (94.0) / 6 (6.0)	χ²=0.15	>0.05
Indirect hernia/Direct hernia/Compound hernia	76 (76.0) / 20 (20.0) / 4 (4.0)	79 (79.0) / 16 (16.0) / 5 (5.0)	χ²=0.61	>0.05
Routine hernia/Scrotal hernia	85(85.0) / 15(15.0)	84(84.0) / 16(16.0)	-	-
Age (years)	63.8±7.6	64.8±5.3	t=0.35	>0.05
Body mass index (kg/m²)	23.1±2.8	22.8±2.7	t=1.32	>0.05

Type	Study group (n=100)	Control group (n=100)	t value	P value
Indirect hernia (min)	36.4±1.2	36.2±1.1	1.01	>0.05
Direct hernia (min)	29.1±0.7	33.4±3.1	-6.01	<0.05
Compound hernia (min)	38.7±0.4	40.7±1.1	0.76	>0.05
Total operative time (min)	34.9±3.2	35.9±2.2	-2.52	>0.05

Time point	Pain score	Study group (n=100)	Control group (n=100)	χ² value	P value
24 hours postoperative	1	3 (3.0)	2 (2.0)	0.76	>0.05
	2	75 (75.0)	80 (80.0)
	3	22 (22.0)	18 (18.0)
	4	0	0
	5	0	0
1 week postoperative	1	56 (56.0)	55 (55.0)	0.39	>0.05
	2	42 (42.0)	44 (44.0)
	3	2 (2.0)	1 (1.0)
	4	0	0
	5	0	0

Complication type	Study group (n=100)	Control group (n=100)	χ² value	P value
Urinary retention	4 (4.0)	4 (4.0)	0.00	>0.05
Incision infection	2 (2.0)	1 (1.0)	0.39	>0.05
Mesh infection	0	0	-	-
Hernia recurrence	0	0	-	-

Time point	Study group (n=100) (indirect hernia/direct hernia)	Control group (n=100) (indirect hernia/direct hernia)	χ² value	P value
24 hours postoperative	4 (4/0)	25 (24/1)	17.79	0.000
1 week postoperative	5 (5/0)	30 (29/1)	21.65	0.000
1 month postoperative	1 (1/0)	10 (9/1)	7.79	0.005
3 months postoperative	0	2 (2/0)	2.02	0.155