{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T19:57:04Z","timestamp":1792180624129,"version":"4.4.0"},"reference-count":72,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2025,5,20]],"date-time":"2025-05-20T00:00:00Z","timestamp":1747699200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2025,5,20]],"date-time":"2025-05-20T00:00:00Z","timestamp":1747699200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100011104","name":"Universitat Aut\u00f2noma de Barcelona","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100011104","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Tech Coloproctol"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Several techniques are available to reduce the risk of sphincter injury when treating anal fistula, such as ligation of the intersphincteric fistula tract (LIFT), video-assisted anal fistula treatment (VAAFT), fistula laser closure (FiLaC) and endoanal flap (EAF). The aim of this meta-analysis is to provide data on the safety, complications and failure of these techniques.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Studies published after 2017, with patients undergoing at least one among LIFT, VAAFT, FiLaC and EAF for perianal fistula and providing data regarding failure, were retrieved from PubMed and EMBASE. Primary outcome was failure; other outcomes included continence disturbance and complications.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Forty-nine articles with 3520 patients were included. The failure rates were 28.6% (range 3.8\u201375) for LIFT, 22.3% (6.2\u201365.2) for VAAFT, 43.9% (11.1\u201380) for FiLaC and 25.9% (4.7\u2013100) for EAF, with a mean follow-up of 35.4 (6\u201380.4), 32.4 (6\u201348), 31.6(6.3\u201360) and 42.4 (12\u2013155) months. The available network meta-analysis on failure showed RD of \u20130.08 (95% CI \u2212\u20090.58 to 0.42) comparing LIFT vs VAAFT and 0.30 (95% CI 0.03 to 0.58) comparing LIFT vs EAF. No patients undergoing VAAFT or FiLaC reported worsening continence, while for LIFT and EAF, the continence disturbance rate was 1.5% and 7.3%, respectively. No major complications were observed. The most common minor complications were pain (1.4%), bleeding (1.1%) and wound infection (1.2%). Overall, minor complication rates were 4.3% for LIFT, 7.2% for VAAFT, 10.2% for FiLaC and 6.2% for EAF. Crohn's disease was associated with a higher failure rate (39.5% vs 31.4%).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>FiLaC, VAAFT, LIFT and EAF may represent a valid option in the treatment of anal fistula. VAAFT showed the lowest rate of failure but with no differences from network metanalysis. Wider  homogeneous studies with long-term follow-up are necessary to obtain more robust data.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>PROSPERO number<\/jats:title>\n                    <jats:p>CRD42022375600.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s10151-025-03152-0","type":"journal-article","created":{"date-parts":[[2025,5,20]],"date-time":"2025-05-20T08:05:14Z","timestamp":1747728314000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":31,"title":["Failure rates and complications of four sphincter-sparing techniques for the treatment of fistula-in-ano: a systematic review and network meta-analysis"],"prefix":"10.1007","volume":"29","author":[{"given":"G.","family":"Fuschillo","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F.","family":"Pata","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"D\u2019Ambrosio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"Selvaggi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Pescatori","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F.","family":"Selvaggi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G.","family":"Pellino","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,5,20]]},"reference":[{"issue":"10","key":"3152_CR1","doi-asserted-by":"crossref","first-page":"2071","DOI":"10.1007\/s00384-021-03917-7","volume":"36","author":"M Pescatori","year":"2021","unstructured":"Pescatori M (2021) Surgery for anal fistulae: state of the art. 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