Background: We aimed to assess the incidence of developing postoperative urethrocutaneous fistulae (UCF) while using either polyglactin 910 or polydioxanone for the repair of subcoronal hypospadias in paediatric patients. Methods: A multicenter, two-group posttest-only randomized experimental design was adopted for the study. The study was conducted at PNS Shifa Hospital Karachi, Combined Military Hospital Malir, Military Hospital Rawalpindi and Combined Military Hospital Multan from 2009 to 2016. Boys between the ages of 1 – 10 years with confirmed diagnosis of subcoronal hypospadias suitable for single stage repair with the Snodgrass technique and also completing a minimum follow up of 6 months were targeted for the study. The subjects were later randomized into PG group (those undergoing urethral repair with polyglactin 901) and PD group (those in whom polydioxanone was used). Both descriptive and inferential statistics were used for data analysis. SPSS v. 21.0 was used for data analysis with p > 0.05 taken as significant value. Results: Two hundred patients with confirmed diagnosis of subcoronal hypospadias were recruited for the study in the proposed study period. Twenty-nine patients (29%) in the PG and 26 (26%) in the PD group developed UCF. There were seven (7%) cases of wound infection in the PG group compared to four cases (4%) in the PD Group; all eleven of the said were among those who developed UCF. Meatal stenosis was observed in six patients (6%) in the PG group and in nine patients (9%) of the PD group. No significant difference in the incidence of postoperative urethral fistula formation with the use of polyglactin 910 versus polydioxanone was however reported by the study findings. Conclusion: As there was no significant difference in the incidence UCF between Polyglactin 910 and Polydioxanone, the choice of suture material should be based on economical variations and availability of the two products.
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