Fistula perianal etiologia pdf

An anal fistula can be described as a narrow tunnel with its internal opening in the anal canal and its external opening in the skin near the anus. Perianal abscesses are generally manifested by intense anal pain and swelling. The fistula drainage assessment fda has been proposed to quantify fistula healing and has been utilized to standardize the clinical assessment of perianal disease in clinical trials. In general, the diagnosis of perianal fistulas is made based on signalment, clinical signs, history, and physical examination findings. Includes historic aspects, incidence, etiology and pathogenesis, symptoms, physical examination and endoscopy, auxiliary diagnosis methods, classification and therapeutic alternatives, such as fistulectomy, fistulotomy, fistulectomy with sphincter repair, endorectal. Anal fistula is a chronic abnormal communication between the epithelialised surface of the anal canal and usually the perianal skin. Anterior transanal, transsphinceric sagittal approach for fistula repair secondary to laparoscopic radical prostatectomy. Practice parameters for the treatment of perianal abscess and fistula inano revised. Magnetic resonance imaging has been shown to accurately demonstrate the anatomy of the perianal region as well as the fistulas relationship with the pelvic diaphragm and ischiorectal fossa, allowing the classification of fistulas into five types. Practice parameters for the treatment of perianal abscess and fistulainano revised. The main complication of drainage of an anorectal abscess is the formation of a fistula, which occurs in 60% of cases. Absceso perianal, fistula, tratamiento, natural, remedios.

Understanding the anatomy helps to determine the origin and the subsequent course of this disease process and also helps both to direct therapeutic interventions and to riskstratify outcomes. The instillation of hydrogen peroxide with anal ultrasonography, allows us to assess primary fistulous tracts, abscesses or adjacent cavities and internal opening hole to lumen of the anal canal. Perianal fistulas are a common problem in patients with crohns disease and low prevalence in the general population. Drainage of the abscess, either on its own or with an incision, relieves the pain and pressure. Definicion, clasificacion, diagnostico y tratamiento. Fistulas are associated with drainage of blood, pus, or mucus, but they are generally not painful. Most anorectal abscesses have cryptoglandular origin 90 to 97%. Evaluation and treatment of perianal abscessfistula disease require a thorough understanding of anal anatomy. Perianal fistula is among the most common anorectal diseases encountered in adults, men are more prone to be affected than women. Pdf perirectal abscesses and fistulas represent the acute and chronic manifestations of the same disease process, an infected anal gland. An analysis of national and international guidelines.