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. 2013 Jul;19(2):56-60.
doi: 10.4103/1117-6806.119237.

Fistula-in-Ano Complicated by Fournier's Gangrene Our Experience in North-Eastern Region of Nigeria

Abubakar A Bakari  1 , Nuhu Ali  2 , Ibrahim A Gadam  3 , Bata M Gali  2 , Chubado Tahir  2 , Kdt Yawe  2 , Adamu B Dahiru  4 , Baba S Mohammed  2 , Dauda Wadinga  2
Affiliations

Fistula-in-Ano Complicated by Fournier's Gangrene Our Experience in North-Eastern Region of Nigeria

Abubakar A Bakari et al. Niger J Surg. 2013 Jul.

Abstract

Background: Fistula-in-ano when complicated by Fournier's gangrene is an unusual finding and always carries high morbidity. This study details our experience in managing 10 cases.

Methods of study: Case files of all patients managed in University of Maiduguri Teaching Hospital and Federal Medical Center of Yola and Gombe from January, 2007 to December, 2011 were retrieved from Medical Record Departments and other Hospital Records. These were analyzed for demographic, clinical and pathological variables, the type of treatment and follow-up.

Results: A total of 10 men with a mean age of 50.5 years (35-60) were managed in the period of study. Nearly, 50% of the patients were farmers, 30% businessmen and 20% were civil servant. 7 (70%) of these patients presented with Fournier's gangrene within 4 weeks of development of fistula-in-ano and the rest within 8 weeks. 4 (40%) of these patients had inadequate drainage of their perianal abscess and 2 (20%) had incision and drainage. Another 4 (40%) had spontaneously rupture of the perianal abscess. 6 (60%) of the fistula-in-ano was submuscular, 30% subcutaneous and 10% were complex or recurrent. Nearly, 20% of patients had fistulotomy and seton application for adequate drainage. Mucosal advancement flap was performed in 5 (50%) and fistulotomy in 3 (30%) patients. Another 30% had fistulotomy and continuing sitz bath.

Conclusion: Cryptoglandular infection is an important cause of perianal abscesses and fistula-in-ano and if poorly managed results in Fournier's gangrene. Early broad spectrum parenteral antibiotic therapy and primary surgical treatment can prevent Fournier's gangrene.

Keywords: Fistula-in-ano; Fournier's gangrene; perianal abscess.

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Conflict of interest statement

Conflict of Interest: None declared.

Figures

Figure 1
Figure 1
Types of fistula-in-ano with Fournier's gangrene at presentation of the 10 patients
Figure 2
Figure 2
Cryptoglandular fistula with Fournier's gangrene
Figure 3
Figure 3
Nick of perianal abscess and Fournier's gangrene
Figure 4
Figure 4
Inadequate perineal abscess drainage and Fournier's gangrene
Figure 5
Figure 5
Extensive perineal and scrotal debridement with bare testes
Figure 6
Figure 6
Cleaned granulated scrotal and perineal wound ready for grafting
Figure 7
Figure 7
Healing anal fistula and scrotal wound with continuing sitz bath
Figure 8
Figure 8
Mesh graft of the perineal and scrotal wound
See this image and copyright information in PMC

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