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Changing diagnostic criteria for gestational diabetes in Sweden: a stepped wedge national cluster randomised controlled trial-the CDC4G study protocol
Örebro universitet, Institutionen för medicinska vetenskaper. Region Örebro län. Department of Obstetrics and Gynaecology.ORCID-id: 0000-0002-2691-7525
Örebro universitet, Institutionen för medicinska vetenskaper. Department of Obstetrics and Gynaecology.
Örebro universitet, Institutionen för medicinska vetenskaper. Clinical Epidemiology and Biostatistics, School of Medical Sciences, Örebro University, Örebro, Sweden; Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden; Department of Epidemiology and Public Health, University College London, London, UK.ORCID-id: 0000-0001-6328-5494
Clinical Epidemiology and Biostatistics, University Hospital Örebro, Örebro, Sweden.
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2019 (Engelska)Ingår i: BMC Pregnancy and Childbirth, ISSN 1471-2393, E-ISSN 1471-2393, Vol. 19, nr 1, artikel-id 398Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Background: The optimal criteria to diagnose gestational diabetes mellitus (GDM) remain contested. The Swedish National Board of Health introduced the 2013 WHO criteria in 2015 as a recommendation for initiation of treatment for hyperglycaemia during pregnancy. With variation in GDM screening and diagnostic practice across the country, it was agreed that the shift to new guidelines should be in a scientific and structured way. The aim of the Changing Diagnostic Criteria for Gestational Diabetes (CDC4G) in Sweden () is to evaluate the clinical and health economic impacts of changing diagnostic criteria for GDM in Sweden and to create a prospective cohort to compare the many long-term outcomes in mother and baby under the old and new diagnostic approaches.

Methods: This is a stepped wedge cluster randomised controlled trial, comparing pregnancy outcomes before and after the switch in GDM criteria across 11 centres in a randomised manner. The trial includes all pregnant women screened for GDM across the participating centres during January-December 2018, approximately two thirds of all pregnancies in Sweden in a year. Women with pre-existing diabetes will be excluded. Data will be collected through the national Swedish Pregnancy register and for follow up studies other health registers will be included.

Discussion: The stepped wedge RCT was chosen to be the best study design for evaluating the shift from old to new diagnostic criteria of GDM in Sweden. The national quality registers provide data on the whole pregnant population and gives a possibility for follow up studies of both mother and child. The health economic analysis from the study will give a solid evidence base for future changes in order to improve immediate pregnancy, as well as long term, outcomes for mother and child.

Ort, förlag, år, upplaga, sidor
BMC , 2019. Vol. 19, nr 1, artikel-id 398
Nyckelord [en]
Gestational diabetes mellitus, Pregnancy outcomes, Diagnostic criteria, WHO 2013 criteria, Stepped wedge cluster randomised controlled trial, LGA, Health economics, Obesity
Nationell ämneskategori
Reproduktionsmedicin och gynekologi
Identifikatorer
URN: urn:nbn:se:oru:diva-77999DOI: 10.1186/s12884-019-2547-5ISI: 000494447700004PubMedID: 31675922Scopus ID: 2-s2.0-85074418210OAI: oai:DiVA.org:oru-77999DiVA, id: diva2:1372296
Forskningsfinansiär
Vetenskapsrådet, 2018-00470
Anmärkning

Funding Agencies:

Fru Mary von Sydows, född Wijk, donation fond  1017 4917 2618

Nyckelfonden Region Örebro County  OLL-597601

Region Örebro County Research committee  OLL-693551 OLL-786911

Regional Research committee Uppsala-Örebro  RFR-749241

Tillgänglig från: 2019-11-22 Skapad: 2019-11-22 Senast uppdaterad: 2019-11-22Bibliografiskt granskad

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Fadl, HelenaSaeedi, MaryamMontgomery, ScottJansson, Stefan P. O.Ryen, LindaHildén, KarinSimmons, David

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Fadl, HelenaSaeedi, MaryamMontgomery, ScottJansson, Stefan P. O.Ryen, LindaHildén, KarinSimmons, David
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Institutionen för medicinska vetenskaperRegion Örebro länInstitutionen för hälsovetenskaper
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