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Deitch JM, Lee IL, Yates CJ, Kathpal E, Lawton P, Shahid I, Hamblin PS, Dutta D, Krishnamurthy B, Said JM, Steele C, Teale GR, Kevat D. Simplified gestational diabetes screening with a triaging fasting plasma glucose reduces the burden of oral glucose tolerance tests during pregnancy - A large tertiary comparative cohort study. Diabetes Res Clin Pract 2024; 209:111120. [PMID: 38307138 DOI: 10.1016/j.diabres.2024.111120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/21/2024] [Accepted: 01/25/2024] [Indexed: 02/04/2024]
Abstract
AIMS The study aimed to evaluate the impact of a simplified screeningapproach for gestational diabetes (GDM) compared to conventional screening on OGTT rates, GDM prevalence, and perinatal outcomes. METHOD A retrospective comparative cohort study included singleton births from 20 weeks' gestation. Pregnancies without diagnostic glucose results from 13 weeks' gestation or incomplete screenings were excluded. Simplified screening consisted of a triaging fasting plasma glucose (FPG), where only those with FPG levels between 4.7 and 5.0 mmol/L proceeded to the 2hr 75 g oral glucose tolerance test (OGTT).The study period was divided into conventional screening (1st January 2019-30th June 2020) and simplified screening (1st January 2021-31st December 2021). RESULTS Out of 15,138 pregnancies, 12,035 met the inclusion criteria: 7385 underwent conventional and 4650 underwent simplified screening. In the simplified group, 82.9 % avoided an OGTT. The simplified screening group also had a lower GDM prevalence compared to the conventional group ((18.7 % vs. 21.7 %, p < 0.001). Perinatal outcomes, including the rate of large-for-gestational-age infants, were similar between the groups. CONCLUSION The simplified GDM screening strategy for significantly reduced OGTTs by over 80% without impacting perinatal outcomes. It suggests that prospective studies are necessary to further evaluate this approach.
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Affiliation(s)
- Jessica M Deitch
- Department of Diabetes & Endocrinology, Western Health, St Albans, Victoria, Australia; Department of Medicine, University of Melbourne, Parkville, Victoria, Australia
| | - I-Lynn Lee
- Department of Diabetes & Endocrinology, Western Health, St Albans, Victoria, Australia; Department of Medicine, University of Melbourne, Parkville, Victoria, Australia.
| | - Christopher J Yates
- Department of Diabetes & Endocrinology, Western Health, St Albans, Victoria, Australia; Department of Medicine, University of Melbourne, Parkville, Victoria, Australia
| | - Esha Kathpal
- Department of Diabetes & Endocrinology, Western Health, St Albans, Victoria, Australia
| | - Paul Lawton
- Department of Diabetes & Endocrinology, Western Health, St Albans, Victoria, Australia
| | - Ibrahim Shahid
- Department of Diabetes & Endocrinology, Western Health, St Albans, Victoria, Australia
| | - Peter S Hamblin
- Department of Diabetes & Endocrinology, Western Health, St Albans, Victoria, Australia; Department of Medicine, University of Melbourne, Parkville, Victoria, Australia
| | - Deepak Dutta
- Department of Diabetes & Endocrinology, Western Health, St Albans, Victoria, Australia
| | | | - Joanne M Said
- Department of Obstetrics & Gynaecology, Western Health, St Albans, Victoria, Australia; Department of Obstetrics & Gynaecology, University of Melbourne, Parkville, Victoria, Australia; Department of Maternal Fetal Medicine, Western Health, St Albans, Victoria, Australia
| | - Cheryl Steele
- Department of Diabetes & Endocrinology, Western Health, St Albans, Victoria, Australia
| | - Glyn R Teale
- Department of Obstetrics & Gynaecology, Western Health, St Albans, Victoria, Australia
| | - Dev Kevat
- Department of Diabetes & Endocrinology, Western Health, St Albans, Victoria, Australia; Department of Medicine, University of Melbourne, Parkville, Victoria, Australia; Department of Obstetric Medicine, Western Health, St Albans, Victoria, Australia
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