Evidence map›Paper›PMID 40392371›Full record

SynthesisTechniques in coloproctology2025

Failure rates and complications of four sphincter-sparing techniques for the treatment of fistula-in-ano: a systematic review and network meta-analysis.

G Fuschillo, F Pata, M D'Ambrosio, L Selvaggi, M Pescatori, F Selvaggi, G Pellino

Abstract readNetwork Meta-AnalysisSystematic Review
In one paragraph

Synthesis in Techniques in coloproctology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Platelet-rich fibrin matrix as treatment for complex anal fistulae: A 3-year experience at a tertiary centre.Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland · 2026
    Article
  5. Core-Out Fistulectomy Combined With Laser Ablation of the Trans-Sphincteric Fistula Tract: A Pilot Study of Efficacy and Safety.Medical science monitor : international medical journal of experimental and clinical research · 2026
    Article
  6. Article
  7. Ligation of the intersphincteric fistula tractWorld journal of gastrointestinal surgery · 2026
    Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

G Fuschillo *Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania "Luigi Vanvitelli," Policlinico CS, Piazza Miraglia 2, 80138, Naples, Italy.
F Pata *Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy.
M D'AmbrosioDepartment of Advanced Medical and Surgical Sciences, Università degli Studi della Campania "Luigi Vanvitelli," Policlinico CS, Piazza Miraglia 2, 80138, Naples, Italy.
L SelvaggiDepartment of Advanced Medical and Surgical Sciences, Università degli Studi della Campania "Luigi Vanvitelli," Policlinico CS, Piazza Miraglia 2, 80138, Naples, Italy.
M PescatoriColoproctology Units of Parioli and Cobellis Clinics, Rome and Vallo Della Lucania, Italy.
F SelvaggiDepartment of Advanced Medical and Surgical Sciences, Università degli Studi della Campania "Luigi Vanvitelli," Policlinico CS, Piazza Miraglia 2, 80138, Naples, Italy. francesco.selvaggi@unicampania.it.
G PellinoColorectal Surgery, Vall d'Hebron University Hospital, Universitat Autonoma de Barcelona UAB, Barcelona, Spain. Gianluca.Pellino@uab.cat.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSeveral 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.

methodsStudies 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.

resultsForty-nine articles with 3520 patients were included. The failure rates were 28.6% (range 3.8-75) for LIFT, 22.3% (6.2-65.2) for VAAFT, 43.9% (11.1-80) for FiLaC and 25.9% (4.7-100) for EAF, with a mean follow-up of 35.4 (6-80.4), 32.4 (6-48), 31.6(6.3-60) and 42.4 (12-155) months. The available network meta-analysis on failure showed RD of -0.08 (95% CI - 0.58 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%).

conclusionsFiLaC, 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. PROSPERO NUMBER: CRD42022375600.

Indexed as

Anal CanalOrgan Sparing TreatmentsPostoperative ComplicationsRectal FistulaAdultFecal IncontinenceFemaleHumansLaser TherapyLigationMaleMiddle AgedSurgical FlapsTreatment FailureAnal fistulaComplicationsEndoanal flapFILACLIFTRecurrenceVAAFT

Identifiers

PMID40392371
PMCPMC12092498

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.