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. 2023 Feb 9;39(1):107.
doi: 10.1007/s00383-023-05389-y.

Biocompatible dressing for pediatric hypospadias repair

Shilpa Sharma  1 , Jogender Rathore  2 , Varun Arora  2 , Bhawna  3 , Hemlata Jangir  4 , Arulselvi Subramanian  4 , Hardeep Singh Jhinjer  2 , Ashish Datt Upadhyay  5 , Ashwini K Agrawal  2 , Manjeet Jassal  2
Affiliations

Biocompatible dressing for pediatric hypospadias repair

Shilpa Sharma et al. Pediatr Surg Int. .

Abstract

Purpose: The search for an ideal Hypospadias repair dressing continues. We aimed to develop a hypoallergenic optimized biocompatible dressing (BD).

Method: BD with a multi-layered structure of hydrophilic treated Polypropylene with three-layered technologies; Absorbent-spunlaced hydroentangled polyester/viscose blend, outer Polypropylene, Polyester, Acrylic, and Spandex, with super Absorbent Polymer and Acrylic adhesive. Wistar rat abdominal wound model was divided into two groups: control (normal gauze dressing with adhesive) and Study (BD). The physical properties and wound characteristics were compared.

Results: Average mass: thickness of BD was 626.7 ± 5.6 g m-2: 2.6 ± 0.015 mm. Absorption was 1425.2 ± 127.6%. Percentage desorption of solution A from dressings at 24:40 h was 1249 ± 150%:1417 ± 230%. BD was hydrophilic with no particles/residue after immersion and pH neutral. The average air permeability was 11.6 ± 1.6 cm3/cm2/sec. The tensile force was 200N-220N with an extension on the breaking point at 24 mm. BD was superior for ease of removability on Day 6 (p = 0.012) and sticking quality (p = 0.036), absorption (p = 0.036), ease of removability(p = 0.036), and sustenance (p = 0.030) on Day 10. BD dressing demonstrated better wound healing (p = 0.015) and decreased redness (p = 0.002) on Day 10. Histopathological healing was better with BD on Day 14(p = 0.025) and Day 20 (p = 0.034).

Conclusion: BD demonstrated better desirable physical and wound healing qualities with less inflammation compared with control normal dressing.

Keywords: Biocompatible; Healing; Hypospadias repair; Wound dressing.

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