This case report details our experience using a two-stage Biodegradable Temporizing Matrix (NovoSorb((R)) PolyNovo Ltd) and autograft for acute reconstruction of a complex perineal burn wound in an elderly comorbid patient. A 77-year-old man sustained 42 full-thickness burns extending circumferentially from bilateral thighs and buttocks, across the entire perineal and genital regions up to his mid-trunk, following self-immolation using an accelerant. Early total burn wound excision was carried out with acute application of Biodegradable Temporizing Matrix to all affected sites. Excellent integration and vascularization of Biodegradable Temporizing Matrix took place despite the challenge of intermittent fecal contamination affecting the perineal and buttock burn sites and matrix colonization with multidrug-resistant organisms. Delamination and serial split-thickness skin autografting were carried out 42 days after the first matrix application with complete and robust graft take. Perineal burns present a reconstructive challenge due to the proximity of specialized structures such as the genitalia, urethral, and anal orifices. Restoration of complex anatomy and function may be required after debridement with increased risks of infection, contracture formation, and mortality compared with burns affecting other anatomical sites. Two-stage Biodegradable Temporizing Matrix represents a reliable reconstruction option for complex extensive perineal wounds in frail elderly patients, despite an unfavorable local microbial environment.
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