{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T22:21:02Z","timestamp":1780352462484,"version":"3.54.1"},"reference-count":43,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2022,10,12]],"date-time":"2022-10-12T00:00:00Z","timestamp":1665532800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Colorectal Disease"],"published-print":{"date-parts":[[2023,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The most effective treatment for anal fistula is fistulotomy, but it involves a risk of anal incontinence. To reduce this morbidity, sphincter\u2010sparing treatments have been developed, but their success in real life is often less than 50%. The aim is to determine the clinical healing rate 6\u00a0months after radiofrequency treatment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We planned to evaluate 50 patients from three French proctology centres. Treatment efficacy was evaluated at 6 and 12\u2009months by means of clinical and magnetic resonance imaging examination. We evaluated morbidity and healing prognostic factors.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Fifty patients with a mean age of 51\u2009years (22\u201382) were included. Eleven patients had a low trans\u2010sphincteric fistula (LTS), 21 patients had a high trans\u2010sphincteric fistula (HTS), eight had a complex fistula and nine had Crohn's disease fistula. After 6\u00a0months, 17 patients (34.7%) had a clinically healed fistula, including five (45.5%) with LTS fistula, seven (33.3%) with HTS fistula, one (12.5%) with complex fistula, four (44.4%) with Crohn's disease, with no significant difference between these fistula types (<jats:italic>p<\/jats:italic>: 0.142). At 12\u2009months, the healing rate was identical. MRI in 15 out of 17 clinically healed patients showed a deep remission of 73.3% at 12\u2009months. Energy power was associated with the success of the treatment. There was an 8.2% incidence of post\u2010surgical complications with 4.1% being abscesses (one required surgical management). Postoperative pain was minor. No new cases or deterioration of continence have been shown.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Radiofrequency is effective in 34.7% of the cases as an anal fistula treatment in this first prospective study, with low morbidity and no effect on continence. Clinical healing was deep (MRI) in three\u2010quarters at 1\u00a0year. The increase in energy power during the procedure seems to be a key point to be analysed to optimise results.<\/jats:p><\/jats:sec>","DOI":"10.1111\/codi.16344","type":"journal-article","created":{"date-parts":[[2022,9,21]],"date-time":"2022-09-21T07:03:45Z","timestamp":1663743825000},"page":"289-297","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Prospective and multicentre study of radiofrequency treatment in anal fistula"],"prefix":"10.1111","volume":"25","author":[{"given":"Marie","family":"Sautereau","sequence":"first","affiliation":[{"name":"Department of Gastroenterology and Proctology, APHP CHU Bichat  Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dominique","family":"Bouchard","sequence":"additional","affiliation":[{"name":"Department of Proctology Bagatelle Hospital  Talence 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