Evaluation of point-of-care maternal glucose measurements for the diagnosis of gestational diabetes mellitus

2016 ◽  
Vol 124 (11) ◽  
pp. 1746-1752 ◽  
Author(s):  
N Daly ◽  
C Carroll ◽  
I Flynn ◽  
R Harley ◽  
PJ Maguire ◽  
...  
2020 ◽  
Vol 66 (2) ◽  
pp. 316-323 ◽  
Author(s):  
Eimer G O’Malley ◽  
Ciara M E Reynolds ◽  
Ruth O’Kelly ◽  
Anne Killalea ◽  
Sharon R Sheehan ◽  
...  

Abstract Background Point-of-care (POC) measurement of glucose is currently recommended only for the monitoring of gestational diabetes mellitus (GDM). This prospective observational study evaluated the use of POC measurements of maternal glucose to diagnose GDM in women being screened selectively with a 1-step 75 g oral glucose tolerance test (OGTT). Methods The strictest preanalytic and analytic international laboratory standards were applied to measure maternal plasma glucose at fasting and at 1 and 2 h post glucose load. The recent International Association of Diabetes and Pregnancy Study Groups diagnostic criteria were used. At the same time, maternal capillary glucose was measured. Because of differences in plasma and capillary glucose measurements, regression analysis of POC capillary glucose results vs laboratory plasma glucose results was conducted. The regression equations for plasma glucose were derived in a derivation cohort (n = 102). These equations were applied in the validation cohort (n = 100). Predicted and actual plasma glucose values were compared. Results Of the 202 women screened, 36.6% were nulliparous, 56.4% were obese, and 81.2% were Irish-born. Two thirds had a single risk factor for GDM, and a third had multiple risk factors. Based on the plasma measurements, 53.5% had GDM. As a predictor of GDM, the diagnostic accuracy of POC measurement was 83.0% (95% confidence interval, 74.2–89.8). Conclusions In high-resource settings where measures to inhibit glycolysis are implemented, the use of POC measurements for the diagnosis of GDM is not justified based on this study. In low- and medium-resource settings, where measures to inhibit glycolysis are not achievable, regression analysis using POC measurements may be acceptable compared with plasma samples subject to glycolysis.


2015 ◽  
Vol 7 (1) ◽  
Author(s):  
Gisele Seabra ◽  
Cláudia Saunders ◽  
Patrícia de Carvalho Padilha ◽  
Lenita Zajdenverg ◽  
Letícia Barbosa Gabriel da Silva ◽  
...  

2020 ◽  
Vol 2020 ◽  
pp. 1-10
Author(s):  
Karl Kristensen ◽  
Anne-Marie Wangel ◽  
Anastasia Katsarou ◽  
Nael Shaat ◽  
David Simmons ◽  
...  

Background. In Sweden, both glucose analyzers in accredited laboratories and point-of-care glucose devices are used for gestational diabetes mellitus (GDM) diagnosis. The aim of this study was to compare the diagnostic performance of the HemoCue Glucose 201+ (HC201+) and RT (HC201RT) systems with that of the hospital central laboratory hexokinase method (CL) based on lyophilized citrate tubes, using the isotope dilution gas chromatography-mass spectrometry (ID GC-MS) as reference. Methods. A 75 g oral glucose tolerance test was performed on 135 women screened positive for GDM. Diagnosis was based on the World Health Organization 2013 diagnostic thresholds for fasting (n=135), 1 h (n=52), and 2 h (n=135) glucose measurements. Bland-Altman analysis and surveillance error grids were used to evaluate analytical and clinical accuracy. Results. Significantly more women were diagnosed with GDM by HC201+ (80%) and CL (80%) than with the reference (65%, P<0.001) based on fasting and/or 2 h thresholds, whereas the percentage diagnosed by HC201RT (60%) did not differ significantly from the reference. In Bland-Altman analysis, a positive bias was observed for HC201+ (4.2%) and CL (6.1%) and a negative bias for HC201RT (−1.8%). In the surveillance error grid, 95.9% of the HC201+ values were in the no-risk zone as compared to 98.1% for HC201RT and 97.5% for CL. Conclusions. A substantial positive bias was found for CL measurements resulting in overdiagnosis of GDM. Our findings suggest better performance of HC201RT than HC201+ in GDM diagnosis. The results may have possible implications for GDM diagnosis in Sweden and require further elucidation.


2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Shuang Zhang ◽  
Huikun Liu ◽  
Cuiping Zhang ◽  
Leishen Wang ◽  
Nan Li ◽  
...  

Objective. To examine the association of maternal glycemia during pregnancy and after delivery with anthropometry in the offspring of mothers with gestational diabetes mellitus (GDM).Methods. A total of 1,263 GDM mothers and their children finished the health survey at 1–5 years after delivery.Results. Offspring of GDM mothers who were diagnosed with diabetes during pregnancy had higher prevalence of overweight, higher mean weight for heightZscores, and higher mean BMI for ageZscores at 1–5 years old than the offspring of GDM mothers who were diagnosed with impaired glucose tolerance (IGT) during pregnancy. Offspring of GDM mothers who developed diabetes 1–5 years after delivery had higher mean values ofZscores for weight for height and BMI for age at 1–5 years old than the offspring of GDM mothers who had normal glucose or prediabetes after delivery.Conclusions. Offspring of GDM mothers who were diagnosed with diabetes during pregnancy or after delivery had an increased risk of childhood overweight or weight gain at 1–5 years old compared with children of GDM mothers with IGT during pregnancy or with normal glucose or prediabetes after delivery.


2016 ◽  
Vol 214 (1) ◽  
pp. S343
Author(s):  
Niamh Daly ◽  
Iseult Flynn ◽  
Ciara Carroll ◽  
Maria Farren ◽  
Sharon R. Sheehan ◽  
...  

Author(s):  
Jie Wen ◽  
Xiaoxia Bai

Gestational diabetes mellitus (GDM) is a type of diabetes that occurs during pregnancy due to abnormal maternal glucose metabolism. This study aimed to investigate the effect of miR-520h and its potential target gene on the progression of GDM. The blood samples were taken from healthy pregnant women and GDM patients. Human villous trophoblasts HTR-8/SVNEO cells were treated with 25 mM glucose and were considered as the GDM cell model. The miR-520h level was detected using qRT-PCR in the serum and GDM cell model. The correlation analysis between fasting blood-glucose (FBG) level and miR-520h expression was analyzed. The target relationship between miR-520h and mTOR was verified using dual luciferase reporter assay. HG-induced cells were transfected with miR-520h mimic or miR-520h inhibitor and pCDNA3-mTOR vector or their NCs. Cell viability, apoptosis and mTOR expression level were detected using CCK-8, flow cytometry and western blotting, respectively. The results showed that the miR-520h serum level was up-regulated in the GDM patients’ serum and GDM cell model, and was positively correlated with FBG of GDM patients. High glucose (HG) inhibited HTR-8/SVNEO cell viability and decreased mTOR expression, while it promoted apoptosis. Then, the effects of HG on HTR-8/SVNEO cells were reversed by miR-520h inhibitor. Moreover, mTOR was identified as a target gene downstream of miR-520h. The overexpression of mTOR alleviated miR-520h mimic-induced reduction in cell viability and enhancement in cell apoptosis in the GDM cell model. In conclusion, miR-520h could inhibit cell viability and promote cell apoptosis by regulating mTOR expression in the GDM cell model. Hence, miR-520h might be a potential and important marker for the diagnosis and treatment of GDM.


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