Evidence map›Paper›PMID 37560993›Full record

ArticleSICOT-J2023

Developmental dysplasia of the hip is common in patients undergoing total hip arthroplasty under 50 years of age.

Varun Muddaluru, Oliver Boughton, Thomas Donnelly, John O'Byrne, James Cashman, Connor Green

Open access · goldAbstract read
In one paragraph

Article in SICOT-J, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
4.8field-weighted citation impact, top 4% 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, 1 synthesis or guideline pooled it, 15 citations in OpenAlex.

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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

6 authors at 1 institution in 1 country.

Varun MuddaluruNational Orthopaedic Hospital Cappagh, Finglas, Dublin - Children's Health Ireland at Temple Street, Rotunda, Dublin.ORCID 0000-0001-7611-9487
Oliver BoughtonNational Orthopaedic Hospital Cappagh, Finglas, Dublin.
Thomas DonnellyNational Orthopaedic Hospital Cappagh, Finglas, Dublin - Children's Health Ireland at Temple Street, Rotunda, Dublin.
John O'ByrneNational Orthopaedic Hospital Cappagh, Finglas, Dublin.
James CashmanNational Orthopaedic Hospital Cappagh, Finglas, Dublin.
Connor GreenNational Orthopaedic Hospital Cappagh, Finglas, Dublin - Children's Health Ireland at Temple Street, Rotunda, Dublin.
Cappagh National Orthopaedic Hospital · IE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionDevelopmental dysplasia of the hip (DDH) refers to congenital and/or developmental hip instability that can result in hip joint subluxation or dislocation. When detected neonatally, conservative treatment with hip bracing can restore normal hip anatomy. Missed detection of DDH in the neonatal period or late development of DDH often requires surgical intervention to correct the abnormal anatomy. Furthermore, despite surgical intervention, residual sequelae may persist leading to early osteoarthritis of the hip joint requiring joint replacement surgery.

aimThis study investigates the prevalence of hip dysplasia in patients undergoing total hip arthroplasty (THA) under 50 years of age.

methodsThe hip arthroplasty database at a national referral centre was investigated from January 2014 to December 2020. In patients under 50 years of age, those with an adequate pre-operative anteroposterior pelvic radiograph without previous hip arthroplasty were included, while those with inadequate radiographs were excluded. The following measurements were made on the contralateral non-operated hip: (1) lateral centre-edge angle (LCEA), (2) Tönnis angle, (3) acetabular version, (4) acetabular depth, (5) femoral head lateralisation, (6) femoral head extrusion index, and (7) acetabular depth-to-width ratio.

resultsIn total, 451 patients were included in this study. Twenty two percent of the patients had hip dysplasia, based on a LCEA of <25° and 42.6% of patients had hip dysplasia, based on a Tönnis angle of > 10°. The mean LCEA and Tönnis angle were 31.47 ± 9.64 and 9.82 ± 6.79°, respectively.

conclusionHip dysplasia is common in patients undergoing THA under the age of 50 years with over 40% having dysplasia according to the Tönnis angle. Classification of primary and secondary osteoarthritis in the joint registries will benefit our knowledge on the prevalence of DDH in the adult population.

Indexed as

DDHEarly onset osteoarthritisHip arthroplastyHip dysplasiaLateral centre-edge angleTönnis angle

Identifiers

PMID37560993
PMCPMC10414020
OpenAlexW4385715561

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LicenceCC BY
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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.