Evidence map›Paper›PMID 37303685›Full record

ArticleAmerican journal of translational research2023

Precise and comprehensive evaluation of perianal fistulas, classification and related complications using magnetic resonance imaging.

Wei-Wei Zhao, Jing Yu, Jun Shu, Jing-Tao Sha, Chao-Yang Li, Jin Zeng, Yi Zheng, Xiao-Qing Wang, Zhi-Yong Quan, Yong Yang

Open access · greenAbstract read
In one paragraph

Article in American journal of translational research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
3.2field-weighted citation impact, top 8% of its field
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

14 citing papers in PubMed, 10 citations in OpenAlex.

  1. Review
  2. Observational
  3. Article
  4. Review
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Gastrointestinal Fistulas-What Gastroenterologists Need to Know in 2025.Canadian journal of gastroenterology & hepatology · 2025
    Review
  11. Article
  12. Article
  13. Article
  14. 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

10 authors at 2 institutions in 1 country.

Wei-Wei ZhaoDepartment of Radiology, Xi'an Hospital of Traditional Chinese Medicine Xi'an, Shaanxi, China.
Jing YuDepartment of Radiology, Xijing Hospital, The Fourth Military Medical University Xi'an, Shaanxi, China.
Jun ShuDepartment of Radiology, Xijing Hospital, The Fourth Military Medical University Xi'an, Shaanxi, China.
Jing-Tao ShaDepartment of Anorectal Surgery, Xi'an Hospital of Traditional Chinese Medicine Xi'an, Shaanxi, China.
Chao-Yang LiDepartment of Anorectal Surgery, Xi'an Hospital of Traditional Chinese Medicine Xi'an, Shaanxi, China.
Jin ZengDepartment of Anorectal Surgery, Xi'an Hospital of Traditional Chinese Medicine Xi'an, Shaanxi, China.
Yi ZhengDepartment of Radiology, Xi'an Hospital of Traditional Chinese Medicine Xi'an, Shaanxi, China.
Xiao-Qing WangDepartment of Infection Control, Xi'an Hospital of Traditional Chinese Medicine Xi'an, Shaanxi, China.
Zhi-Yong QuanDepartment of Nuclear Medicine, Xijing Hospital, The Fourth Military Medical University Xi'an, Shaanxi, China.
Yong YangDepartment of Radiology, Xi'an Hospital of Traditional Chinese Medicine Xi'an, Shaanxi, China.
Shaanxi Provincial Hospital of Traditional Chinese Medicine · CNXijing Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThis study aimed to comprehensively evaluate perianal fistulas and their related complications using magnetic resonance imaging (MRI).

methodsWe enrolled 115 eligible patients who underwent preoperative perianal MRI. Primary fistulas, internal and external openings, and related complications were evaluated using MRI. All fistulas were classified according to Park's classification, Standard Practice Task Force classification, St. James's grade, and the position of the internal opening.

resultsIn total, 169 primary fistulas were detected in 115 patients; 73 (63.5%) patients had a single primary tract and 42 (36.5%) patients had multiple primary tracts, and 198 internal and 129 external openings were identified. Based on Park's classification, 150 (88.7%) primary fistulas were classified into the following types: intersphincteric (82, 54.7%), trans-sphincteric (58, 38.6%), suprasphincteric (8, 5.3%), extrasphincteric (1, 0.7%), and diffuse intersphincteric with trans-sphincteric (1, 0.7%) types. Based on St. James's grade, 149 fistulas were classified into grade 1 (52, 34.9%), grade 2 (30, 20.1%), grade 3 (20, 13.4%), grade 4 (38, 25.5%), and grade 5 (9, 6.1%). We detected 92 (54.4%) simple and 77 (45.6%) complex perianal fistulas and 72 (42.6%) high and 97 (57.4%) low perianal fistulas. Furthermore, we detected 32 secondary tracts in 23 (20.0%) patients and 87 abscesses in 60 (52.2%) patients. Levator ani muscle involvement and extensive soft tissue edema were detected in 12 (10.4%) and 24 (20.9%) patients, respectively.

conclusionMRI is a valuable and comprehensive tool that can not only be used to determine the general condition of perianal fistulas but also to classify them and identify related complications.

Indexed as

classificationcomplicationsmagnetic resonance imagingPerianal fistula

Identifiers

PMID37303685
PMCPMC10250967
OpenAlexW4380290610

What OpenQuestion holds

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Registered trials

None linked

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.