Do barbed sutures with different surface textures have different effects on adhesion formation and histological features? An experimental blinded study in an animal model.

BACKGROUND: The obstetrics and gynecology literature has expanded in recent years to include clinical trials assessing the use of barbed sutures. The difficulty of intracorporeal suturing continues to be a barrier to a wider use of laparoscopy. Although the use of barbed sutures has been shown to ease the process of laparoscopic suturing considerably, concerns have been raised regarding a potentially increased risk of adhesions or inflammation as a result of their use.

OBJECTIVES: The aim of this study was to determine whether differences in surface textures, resulting from the variations in the geometric configurations of barbs, lead to differences in intra-abdominal adhesion formation.

MATERIAL AND METHODS: A total of 27 non-pregnant female Wistar Hannover rats, weighing 200-250 g, with intact uteri were used as an adhesion formation model. The rats were randomly assigned to 3 groups: barbed suture group 1, barbed suture group 2 and control group (no intracorporeal suture). A 2-centimeter vertical incision was performed on the anti-mesosalpingeal side of one of the uterine horns. The incision on the uterine horn was reapproximated with a running suture, entailing 3 needle punctures and left untied at one end. Six weeks after the operation, intra-abdominal adhesion formations were investigated both clinically and histopathologically.

RESULTS: Clinical adhesion scores and histopathological parameters in both the barbed suture groups were statistically significantly higher than in the control group (p < 0.05). There was no significant difference between the barbed suture groups regarding the adhesion scores.

CONCLUSIONS: The 2 types of barbed sutures with different surface textures, used for myometrial closure, form a similar profile with respect to postoperative adhesion formation.