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OBJECTIVE To compare the intensity of pain, the healing process and women’s satisfaction with the repair of perineal trauma during vaginal delivery using surgical glue or suture. METHOD Cross-sectional study aligned with a clinical trial conducted at a maternity in Itapecerica da Serra, São Paulo. The sample consisted of women who were evaluated between 10 and 20 days after delivery. The outcomes were analyzed according to the distribution of women in the experimental group (EG: perineal repair with Glubran-2® surgical glue; n=55) and in the control group (CG: perineal repair with Vicryl® suture thread; n=55). RESULTS 110 puerperal women were evaluated. There was no difference between EG and CG regarding sociodemographic and clinical-obstetric characteristics. The intensity of perineal pain, assessed by the visual numeric scale was lower among women in the EG compared to the CG (p<0.001). According to the REEDA scale, there was no significant difference in perineal healing (p=0.267) between EG and CG. The satisfaction of women with perineal repair, assessed using a five-point scale, was higher with the use of surgical glue (p=0.035). CONCLUSION Surgical glue showed advantages in relation to perineal pain and greater satisfaction for women compared to the use of suture. The healing process was similar for both types of repair.

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Background Surgical glue has been used in several body tissues, including perineal repair, and can benefit women. Objectives To evaluate the effectiveness of n-butyl-2-cyanoacrylate surgical glue compared to the polyglactin 910 suture in repairing first- and second-degree perineal tears and episiotomy in vaginal births. Design A parallel randomised controlled open trial. Setting Birth centre in Itapecerica da Serra, São Paulo, Brazil. Participants and methods The participants were 140 postpartum women allocated into four groups: two experimental groups repaired with surgical glue (n = 35 women with a first-degree tear; n = 35 women with a second-degree tear or episiotomy); two control groups sutured with thread (n = 35 women with a first-degree tear; n = 35 women with a second-degree tear or episiotomy). The outcomes were perineal pain and the healing process. Data collection was conducted in six stages: (1) up to 2 h after perineal repair; (2) from 12 to 24 h postpartum; (3) from 36 to 48 h; (4) from 10 to 20 days; (5) from 50 to 70 days; and (6) from 6 to 8 months. ANOVA, Student's t, Monte Carlo, x-square and Wald tests were used for the statistical analysis. Results One hundred forty women participated in the first three stages, 110 in stage 4, 122 in stage 5, and 54 in stage 6. The women treated with surgical glue had less perineal pain (p ≤ 0.001). There was no difference in the healing process, but the CG obtained a better result in the coaptation item (p ≤ 0.001). Conclusions Perineal repair with surgical glue has low pain intensity and results in a healing process similar to suture threads. Trial registration Brazilian Registry of Clinical Trials (UTN code: U1111-1184-2507; RBR-2q5wy8o); date of registration 01/25/2018; www.ensaiosclinicos.gov.br/rg/RBR-2q5wy8/