A contemporaneous narrative review of Fournier’s gangrene

Abstract

Introduction: Fournier’s gangrene is a necrotizing infection of the external genitalia, perineal or perianal regions and is mainly seen in males. Its main risk factors include diabetes, chronic alcoholism, HIV and other immune-compromised states. Fournier’s gangrene has an aggressive course associated with a mortality rate of 20%−30%, making early diagnosis and management very important. The Fournier Gangrene Severity Index (FGSI) has been traditionally used to predict the severity and prognosis. More recently, simplified FGSI (sFGSI) has been proposed and is helpful. However, timely diagnosis, supportive medical management and complete surgical debridement are still the cornerstones of treatment. These must be complemented with early and timely re-look debridements and appropriate reconstruction to cover soft tissue defects. This literature review aims to look at recent relevant research regards risk factors and prognostic features of Fournier’s gangrene. Methods: A search was conducted on Google Scholar and PubMed databases for all articles related to Fournier’s Gangrene. These included clinical reviews, case reports, case series and retrospective studies. Reports or studies which were not published in English were not reviewed. Various reconstructive techniques to cover the defects have also been revisited. Results: Broad-spectrum antibiotics and urgent surgical debridement are the core management principles of Fournier’s gangrene. Repeat debridement after 24 h is also recommended. Adjunctive therapies such as hyperbaric oxygen and vacuum-assisted closure are supported in most aspects of recent literature. Expectedly, there is a lack of randomised controlled studies in such emergency surgical conditions, which limits the widespread use of newer therapies to patients unresponsive to conventional management. Conclusion: Fournier’s gangrene is a urological emergency with a high mortality rate. The aggressive nature of the infection necessitates early recognition and immediate surgical intervention. Negative pressure dressing and occasional hyperbaric oxygen as adjuncts should be used more routinely, especially if there is a delayed response to conventional treatment or in severe infections.