Prospective evaluation of a new device for the treatment of anal fistulas

Carlo Ratto, Francesco Litta, Lorenza Donisi, Angelo Parello

Risultato della ricerca: Contributo in rivistaArticolo in rivista

7 Citazioni (Scopus)


AIM: To evaluate the safety of the implantation of a new device for the treatment of anal fistulas. The short-term clinical efficacy was also assessed. METHODS: This study took place at a tertiary care university hospital. Patients with a complex anal fistula of cryptoglandular origin were enrolled in the study and were treated with insertion of the new device. All patients were evaluated by clinical and physical examination, including an endoanal ultrasound at the baseline, and then at the 2 wk and 1, 2, 3 and 6-mo follow-up visits. RESULTS: Morbidity, continence status, and success rate were the main outcome measures. Ten patients underwent the placement of the new device. The fistulas were transphincteric in eight patients and extrasphincteric in the remaining two. The median duration of the surgical procedure was 34.5 (range, 27-42) min. Neither intra- nor postoperative complications occurred, and all patients were discharged the day after the procedure. At the 6-mo follow-up evaluation, the final success rate was 70%. Three failures were registered: a device expulsion (on the 10th postoperative day), the persistence of inflammatory tissue around the fistula tract (at the 2-mo follow up), and the persistence of serum discharge (at the 6-mo follow up). No patient experienced any change incontinence, as assessed by the Cleveland Clinic Fecal Incontinence score. CONCLUSION: The technical procedure is simple and has low risk of perioperative morbidity. The pre- and post-operative continence status did not change in any of the patients. The initial results at the 6-mo follow up seem to be promising. However, a longer follow-up period and a larger sample size are needed to confirm these preliminary results.
Lingua originaleEnglish
pagine (da-a)6936-6943
Numero di pagine8
RivistaWorld Journal of Gastroenterology
Stato di pubblicazionePubblicato - 2016


  • Adult
  • Aged
  • Aged, 80 and over
  • Anal fistula
  • Device
  • Digestive System Surgical Procedures
  • Endoanal ultrasound
  • Faecal incontinence
  • Female
  • Fistula plug
  • Follow-Up Studies
  • Gastroenterology
  • Humans
  • Male
  • Middle Aged
  • Prospective Studies
  • Rectal Fistula
  • Recurrence
  • Surgical Instruments


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