Laser anal fistula surgery (aka FiLAC) is an option for complex fistulas as a sphincter preserving option. The results are similar to LIFT and flap when used in appropriately selected patients however, Clinical trial to test efficacy of fistula plug Fistula Plug Treatment in Pune, India Kaizen Fistula Care Combined endoscopic percutaneous treatment of upper gastrointestinal enterocutaneous fistula using vacuum therapy and resorbable plug insertion (Vac Plug) Scientific Reports Anal Fistula: From Diagnosis and Classification to Surgical Management IntechOpen The Use of Platelet Rich Fibrin Plugs in the Treatment of Perianal Fistula: Traditional Curettage vs. Debridement with a Graduated Set of Cylindrical Curettes