Evidence map›Paper›PMID 40426717›Full record

ArticleChildren (Basel, Switzerland)2025

Impact of the COVID-19 Pandemic on the Dutch Screening Program for Developmental Dysplasia of the Hip-Delayed Screening and One-Year Outcomes.

Jan H Hinloopen, Demi J Donker, Joost H van Linge, Christiaan J A van Bergen, Florens Q M P van Douveren, Margret Foreman-van Drongelen, Frederike E C M Mulder, Jaap J Tolk, Pieter Bas de Witte

Abstract read
In one paragraph

Article in Children (Basel, Switzerland), 2025. 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
–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

2 citing papers in PubMed.

  1. Article
  2. 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

9 authors.

Jan H HinloopenDepartment of Orthopaedics, Leiden University Medical Center, Albinusdreef 2, P.O. Box 9600, Postzone J-11-S, 2300 RC Leiden, The Netherlands.
Demi J DonkerDepartment of Orthopaedics, Leiden University Medical Center, Albinusdreef 2, P.O. Box 9600, Postzone J-11-S, 2300 RC Leiden, The Netherlands.
Joost H van LingeDepartment of Orthopaedics, Reinier Haga Orthopedisch Centrum, Toneellaan 2, 2725 NA Zoetermeer, The Netherlands.
Christiaan J A van BergenDepartment of Orthopaedics, Amphia Ziekenhuis, Molengracht 21, 4818 CK Breda, The Netherlands.ORCID 0000-0001-8336-9070
Florens Q M P van DouverenDepartment of Orthopaedic Surgery & Trauma, Máxima Medical Centre, P.O. Box 7777, 5500 MB Veldhoven, The Netherlands.
Margret Foreman-van DrongelenDepartment of Hip Sonography, Diagnostiek voor U (Medical Diagnostic Center), Boschdijk 1119, 5626 AG Eindhoven, The Netherlands.
Frederike E C M MulderDepartment of Orthopaedic Surgery, Care and Public Health Research Institute (CAPHRI), Maastricht University, 6200 MD Maastricht, The Netherlands.
Jaap J TolkDepartment of Orthopedics and Sports Medicine, Erasmus MC-Sophia Kinderziekenhuis, Dr. Molewaterplein 60, 3015 GJ Rotterdam, The Netherlands.ORCID 0000-0003-1685-7490
Pieter Bas de WitteDepartment of Orthopaedics, Leiden University Medical Center, Albinusdreef 2, P.O. Box 9600, Postzone J-11-S, 2300 RC Leiden, The Netherlands.ORCID 0000-0001-9550-1630

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND/

objectivesIn the Netherlands, selective ultrasound (US) screening for developmental dysplasia of the hip (DDH) typically occurs at 3 months of age. During the COVID-19 pandemic, US screening was temporarily halted in Dutch hospitals, with consequent delay in DDH screening and possibly inferior outcomes in DDH patients.

methodsWe analyzed 1849 infants screened for DDH during the COVID-19 pandemic (March-August 2020) and 1663 infants screened before the pandemic (March-August 2019). We compared mean age and timing of screening (standard vs. delayed (delayed defined as ≥15 weeks)). For secondary outcomes, we compared DDH patients with delayed screening to standard screening, assessing severity at diagnosis, treatment method and duration, and outcomes at the age of one year, including acetabular index (AI) on radiographs.

resultsMean age at screening was 17.3 weeks during the COVID-19 crisis (2020) vs. 15.8 weeks in the 2019 cohort (mean difference 1.5, 95% CI 1.1-1.8,

conclusionsThis study revealed that disruption of healthcare caused by the COVID-19 pandemic resulted in a delay in the Dutch DDH-screening program. However, in this study, delayed screening was not associated with inferior outcomes at the age of one year.

Indexed as

COVID-19DDHdevelopmental dysplasia of the hipscreening

Identifiers

PMID40426717
PMCPMC12110357

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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.