Evidence map›Paper›PMID 35025983›Full record

ArticleRheumatology (Oxford, England)2022

Which inflamed tissues explain a positive metatarsophalangeal squeeze test? A large imaging study to clarify a common diagnostic procedure.

Bastiaan T van Dijk, Yousra J Dakkak, Doortje I Krijbolder, D Jendé van Zeben, Ilja Tchetverikov, Monique Reijnierse, Annette H M van der Helm-van Mil

Erratum issuedOpen access · hybridAbstract read
In one paragraph

Article in Rheumatology (Oxford, England), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
1.4field-weighted citation impact, top 20% 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

4 citing papers in PubMed, 8 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 4 institutions in 2 countries.

Bastiaan T van DijkDepartment of Rheumatology, Leiden University Medical Centre, Leiden.ORCID 0000-0002-5161-6791
Yousra J DakkakDepartment of Rheumatology, Leiden University Medical Centre, Leiden.ORCID 0000-0002-6140-0310
Doortje I KrijbolderDepartment of Rheumatology, Leiden University Medical Centre, Leiden.
D Jendé van ZebenDepartment of Rheumatology, Franciscus Gasthuis, Rotterdam.
Ilja TchetverikovDepartment of Rheumatology, Albert Schweitzer Hospital, Dordrecht.
Monique ReijnierseDepartment of Radiology, Leiden University Medical Centre, Leiden.
Annette H M van der Helm-van MilDepartment of Rheumatology, Leiden University Medical Centre, Leiden.
Leiden University Medical Center · NLAlbert Schweitzer Hospital · GALeiden University · NLSint Franciscus Gasthuis · NL

Funding

European Research Council 714312
6 · The paper itself

Abstract

objectivesThe squeeze test of MTP joints is frequently used because it is easy and cheap. It is traditionally perceived as a test for synovitis. Besides classic intra-articular synovitis, also tenosynovitis and intermetatarsal bursitis (IMB) represent synovial inflammation, albeit juxta-articularly located. Both are frequently present in RA and occasionally in other arthritides. Therefore we hypothesized that tenosynovitis and IMB contribute to a positive MTP squeeze test.

methodsA cross-sectional study design was used. A total of 192 early arthritis patients and 693 clinically suspect arthralgia patients underwent the MTP squeeze test and forefoot MRI at first presentation. MRI measurements in age-matched healthy controls were used to define positivity for synovitis, tenosynovitis and IMB. Logistic regression was used.

resultsIn early arthritis patients, synovitis [odds ratio (OR) 4.8 (95% CI 2.5, 9.5)], tenosynovitis [2.4 (1.2, 4.7)] and IMB [1.7 (1.2, 2.6)] associated with MTP squeeze test positivity. Synovitis [OR 3.2 (95% CI 1.4, 7.2)] and IMB [3.9 (1.7, 8.8)] remained associated in multivariable analyses. Of patients with a positive MTP squeeze test, 79% had synovitis or IMB: 12% synovitis, 15% IMB and 52% both synovitis and IMB. In clinically suspect arthralgia patients, subclinical synovitis [OR 3.0 (95% CI 2.0, 4.7)], tenosynovitis [2.7 (1.6, 4.6)] and IMB [1.7 (1.2, 2.6)] associated with MTP squeeze test positivity, with the strongest association for synovitis in multivariable analysis. Of positive MTP squeeze tests, 39% had synovitis or IMB (10% synovitis, 15% IMB and 13% both synovitis and IMB).

conclusionBesides synovitis, IMB contributes to pain upon compression in early arthritis, presumably due to its location between MTP joints. This is the first evidence showing that MTP squeeze test positivity is not only explained by intra- but also juxta-articular inflammation.

Indexed as

Arthritis, RheumatoidSynovitisTenosynovitisArthralgiaCross-Sectional StudiesHumansInflammationMagnetic Resonance Imagingarthralgiaarthritisimagingintermetatarsal bursitisMTPsqueeze testsynovitistenosynovitis

Identifiers

PMID35025983
PMCPMC9536781
OpenAlexW4206535905

What OpenQuestion holds

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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.