Evidence map›Paper›PMID 35141338›Full record

ArticleOrthopaedic journal of sports medicine2022

Cleft Sign and Bone Marrow Edema of the Pubic Symphysis Are Associated With Sports and Bony Morphology in Patients With Femoroacetabular Impingement and Labral Tears.

Keisuke Nakayama, Hajime Utsunomiya, Yoichi Murata, Shinichiro Takada, Manabu Tsukamoto, Akinori Sakai, Soshi Uchida

Open access · goldAbstract read
In one paragraph

Article in Orthopaedic journal of sports medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.7field-weighted citation impact, top 33% 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

2 citing papers in PubMed, 3 citations in OpenAlex.

  1. Article
  2. The Role of MRI in Groin Pain Syndrome in Athletes.Diagnostics (Basel, Switzerland) · 2024
    Review
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 at 1 institution in 1 country.

Keisuke NakayamaDepartment of Orthopaedic Surgery, Wakamatsu Hospital for the University of Occupational and Environmental Health, Kitakyushu, Japan.
Hajime UtsunomiyaDepartment of Orthopaedic Surgery, Wakamatsu Hospital for the University of Occupational and Environmental Health, Kitakyushu, Japan.
Yoichi MurataDepartment of Orthopaedic Surgery, Wakamatsu Hospital for the University of Occupational and Environmental Health, Kitakyushu, Japan.
Shinichiro TakadaDepartment of Orthopaedic Surgery, Wakamatsu Hospital for the University of Occupational and Environmental Health, Kitakyushu, Japan.
Manabu TsukamotoDepartment of Orthopaedic Surgery, University of Occupational and Environmental Health, Kitakyushu, Japan.
Akinori SakaiDepartment of Orthopaedic Surgery, University of Occupational and Environmental Health, Kitakyushu, Japan.
Soshi UchidaDepartment of Orthopaedic Surgery, Wakamatsu Hospital for the University of Occupational and Environmental Health, Kitakyushu, Japan.
University of Occupational and Environmental Health Japan · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe cleft sign (CS) and bone marrow edema (BME) are considered magnetic resonance imaging (MRI) findings signifying a pubic pathology, which is associated with groin pain; however, their relationship with bony morphology related to femoroacetabular impingement (FAI) has not been established. PURPOSE: To investigate the prevalence of CS and BME in symptomatic patients with acetabular labral tears and assess their possible association with bone morphology and sport-specific activities. STUDY

designCross-sectional study; Level of evidence, 3.

methodsThis study enrolled 418 patients (469 hips) undergoing hip arthroscopic surgery for labral tears. Also included were patients with labral tears in the setting of either hip dysplasia or borderline hip dysplasia who were undergoing endoscopic shelf acetabuloplasty combined with hip arthroscopic labral repair, cam osteoplasty, and capsular plication. All patients were screened for superior CS (SCS), inferior CS (ICS), and BME of the ipsilateral side of the pubis using 3-T MRI. We measured the following angles: lateral center edge (LCE), Sharp, Tönnis, vertical-central-anterior, and alpha. Then, we evaluated the relationship between patient characteristics and abnormal findings on MRI scans (preoperatively vs 1 year postoperatively).

resultsAn overall 397 hips were included: 200 in men and 197 in women (mean ± SD age, 35.3 ± 16.0 years). There were hips in 214 athletes (53.9%) and hips in 183 nonathletes (46.1%). MRI findings revealed SCS, ICS, and BME in 18 (4.5%), 13 (3.3%), and 34 hips (8.6%), respectively. Abnormal MRI findings at the pubis were seen more often in athletes than nonathletes (23.8% vs 3.3%), and contact sports athletes had the most frequent abnormalities. There was no SCS in patients with an LCE angle <22°. SCS was more frequently seen in those who had an alpha angle ≥71°. More than 60% of abnormal findings at the pubis diminished after arthroscopic surgery that included FAI correction and labral repair.

conclusionIn patients with labral tears, CS and BME were seen more frequently in athletes versus nonathletes, especially contact athletes with FAI-related bony abnormalities. More than 60% of abnormal MRI pubis findings resolved after arthroscopic treatment of FAI.

Indexed as

femoroacetabular impingementinferior cleft signpubic bone marrow edemasuperior cleft sign

Identifiers

PMID35141338
PMCPMC8819768
OpenAlexW4211133754

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

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.