Impact of optimizing pre-analytical phase on the diagnosis of gestational diabetes and related outcomes

Author(s):  
Dominika Szoke ◽  
Simona Borille ◽  
Manuela Cardellicchio ◽  
Giovanna Spadaccini ◽  
Emanuela Taricco ◽  
...  

Abstract Objectives Pre-analytical plasma glucose (PG) sampling methodology may significantly affect gestational diabetes mellitus (GDM) incidence, but no studies directly examined the impact on perinatal outcomes. We compared the effect on oral glucose tolerance test (OGTT) results of using for blood sampling the traditional sodium fluoride (NaF) tubes, batched at controlled temperature, and the more effective citrate-buffered tubes, in terms of GDM diagnosis and related outcomes. Methods We evaluated 578 pregnant women performing OGTT between 24- and 28-weeks’ gestation. Paired NaF and citrate blood samples were drawn and analyzed for PG. GDM diagnosis was made by applying the ‘one-step’ American Diabetes Association strategy. Data on perinatal outcomes were collected in a subset of 330 women who delivered in our hospital network. Results Using the standard NaF approach, 69 (11.9%) GDM women were detected. Using citrate PG values, 90 women were additionally identified as GDM, increasing the GDM prevalence to 27.5%. Perinatal outcomes were analyzed according to the different diagnostic allocation (NaF-diagnosed GDM, additional citrate-diagnosed GDM, and no GDM). NaF-diagnosed GDM showed a higher incidence of large for gestational age (LGA) (p=0.034), and of cesarean and preterm delivery (p<0.01) vs. no GDM. The only outcome remaining more frequent in the additional citrate diagnosed GDM when compared with no GDM group was LGA (17.2 vs. 6.8%, p=0.025). Conclusions If a health care system plans to use citrate tubes for GDM diagnosis, considerations about clinical implications are mandatory by balancing higher sensitivity in detecting a poor glycemic control with effects on outcomes to avoid “overdiagnosis”.

2021 ◽  
Vol 10 (2) ◽  
pp. 348
Author(s):  
Friederike Weschenfelder ◽  
Friederike Hein ◽  
Thomas Lehmann ◽  
Ekkehard Schleußner ◽  
Tanja Groten

The aim of diabetes care of pregnant women with gestational diabetes mellitus (GDM) is to attain pregnancy outcomes including rates of large-for-gestational-age (LGA) newborns, pre-eclampsia, C-sections (CS) and other neonatal outcomes similar to those of the non-GDM pregnant population. Obesity and excessive weight gain during pregnancy have been shown to also impact perinatal outcome. Since GDM is frequently associated with elevated body mass index (BMI), we evaluated the impact of maternal prepregnancy BMI, development of GDM and gestational weight gain (GWG) during pregnancy on perinatal outcome. We compared 614 GDM patients with 5175 non-diabetic term deliveries who gave birth between 2012 and 2016. Multivariate regression analysis was used to evaluate the independent contribution of each factor on selected perinatal outcome variables. Additionally, subgroup analysis for obese (BMI ≥ 30 kg/m2) and non-obese women (BMI < 30 kg/m2) was performed. LGA was significantly influenced by BMI, GWG and GDM, while Neonatal Intensive Care Unit (NICU) admission was solely impacted by GDM. Maternal outcomes were not dependent on GDM but on GWG and prepregnancy BMI. These results remained significant in the non-obese subgroup only. Thus, GDM still affects perinatal outcomes and requires further improvement in diabetic care and patient counseling.


2019 ◽  
Vol 47 (5) ◽  
pp. 553-557 ◽  
Author(s):  
Lina Salman ◽  
Anat Pardo ◽  
Eyal Krispin ◽  
Galia Oron ◽  
Yoel Toledano ◽  
...  

Abstract Objectives To evaluate whether gestational diabetes mellitus (GDM) diagnosed by different criteria impacts perinatal outcome. Methods This was a retrospective study of deliveries with a diagnosis of GDM (2014–2016). Perinatal outcomes were compared between patients with: (1) GDM diagnosed according to a single abnormal value on the 100-g oral glucose tolerance test (OGTT); (2) two or more abnormal OGTT values; and (3) a 50-g glucose challenge test (GCT) value ≥200 mg/dL. Results A total of 1163 women met the inclusion criteria, of whom 441 (37.9%) were diagnosed according to a single abnormal OGTT value, 627 (53.9%) had two or more abnormal OGTT values and 95 (8.17%) had a GCT value ≥200 mg/dL. Diet-only treatment was significantly higher in the single abnormal value group (70.3% vs. 65.1% vs. 50.5%) and rates of medical treatment were significantly higher in the GCT ≥ 200 mg/dL group (P < 0.05). Women in the GCT ≥ 200 mg/dL group had higher rates of neonatal intensive care unit (NICU) admission (10.5% vs. 2.7% vs. 2.8%, P < 0.001) and neonatal hypoglycemia (5.3% vs. 0.5% vs. 0.8%, P < 0.001). On multivariate logistic regression, GCT ≥ 200 mg/dL was no longer associated with higher rates of NICU admission and neonatal hypoglycemia (P > 0.05). Conclusion No difference was noted in the perinatal outcome amongst the different methods used for diagnosing GDM.


2021 ◽  
Author(s):  
Ana M Ramos-Levi ◽  
Gemma Rodriguez-Carnero ◽  
Cristina Garcia-Fontao ◽  
Antia Fernandez-Pombo ◽  
Paula Andújar-Plata ◽  
...  

Abstract Background. Obesity and gestational diabetes mellitus (GDM) are associated to increased risk of perinatal complications and obesity in the offspring. However, the impact of gestational weight gain (GWG) on maternal and fetal outcomes has led to controversial results. Research design and methods. Retrospective study of 220 women with GDM and pre-pregnancy body mass index (BMI) ≥ 30 kg/m2. Pregnant women were classified according to the Institute of Medicine (IOM) recommendations regarding prior BMI and GWG. We evaluated the impact of GWG on birth weight and perinatal outcomes. Results. Mean maternal age was 34.7±5.3 years. Pre-pregnancy obesity was classified as grade I in 55.3% of cases, grade II in 32.0%, and grade III in 12.7%. GWG was adequate (5-9kg) in 24.2%, insufficient (< 5kg) in 41.8% and excessive (> 9kg) in 34.2%. Birthweight was within normal range in 81.9%, 3.6% were small for gestational age (SGA) and 14.4% were large for gestational age (LGA). Insufficient GWG was associated to a higher rate of SGA offspring, excessive GWG was associated to LGA and adequate GWG to normal birth weight. Conclusion. GWG in women with pre-pregnancy obesity and GDM impacts neonatal birthweight. Insufficient GWG is associated to SGA and excessive GWG is associated to LGA. Women with adequate GWG according to IOM guidelines obtained better perinatal outcomes.


Gut ◽  
2018 ◽  
Vol 67 (9) ◽  
pp. 1614-1625 ◽  
Author(s):  
Jinfeng Wang ◽  
Jiayong Zheng ◽  
Wenyu Shi ◽  
Nan Du ◽  
Xiaomin Xu ◽  
...  

ObjectiveThe initial colonisation of the human microbiota and the impact of maternal health on neonatal microbiota at birth remain largely unknown. The aim of our study is to investigate the possible dysbiosis of maternal and neonatal microbiota associated with gestational diabetes mellitus (GDM) and to estimate the potential risks of the microbial shift to neonates.DesignPregnant women and neonates suffering from GDM were enrolled and 581 maternal (oral, intestinal and vaginal) and 248 neonatal (oral, pharyngeal, meconium and amniotic fluid) samples were collected. To avoid vaginal bacteria contaminations, the included neonates were predominantly delivered by C-section, with their samples collected within seconds of delivery.ResultsNumerous and diverse bacterial taxa were identified from the neonatal samples, and the samples from different neonatal body sites were grouped into distinct clusters. The microbiota of pregnant women and neonates was remarkably altered in GDM, with a strong correlation between certain discriminatory bacteria and the oral glucose tolerance test. Microbes varying by the same trend across the maternal and neonatal microbiota were observed, revealing the intergenerational concordance of microbial variation associated with GDM. Furthermore, lower evenness but more depletion of KEGG orthologues and higher abundance of some viruses (eg, herpesvirus and mastadenovirus) were observed in the meconium microbiota of neonates associated with GDM.ConclusionGDM can alter the microbiota of both pregnant women and neonates at birth, which sheds light on another form of inheritance and highlights the importance of understanding the formation of early-life microbiome.


2008 ◽  
Vol 93 (5) ◽  
pp. 1689-1695 ◽  
Author(s):  
A. Kautzky-Willer ◽  
D. Bancher-Todesca ◽  
R. Weitgasser ◽  
T. Prikoszovich ◽  
H. Steiner ◽  
...  

Abstract Objectives: In the face of the ongoing discussion on the criteria for the diagnosis of gestational diabetes (GDM), we aimed to examine whether the criteria of the Fourth International Workshop Conference of GDM (WC) select women and children at risk better than the World Health Organization (WHO) criteria. Design and Setting: This was a prospective longitudinal open study in five tertiary care centers in Austria. Patients and Outcome Measures: The impact of risk factors, different thresholds (WC vs. WHO), and numbers of abnormal glucose values (WC) during the 2-h, 75-g oral glucose tolerance test on fetal/neonatal complications and maternal postpartum glucose tolerance was studied in 1466 pregnant women. Women were treated if at least one value according to the WC (GDM-WC1) was met or exceeded. Results: Forty-six percent of all women had GDM-WC1, whereas 29% had GDM-WHO, and 21% of all women had two or three abnormal values according to WC criteria (GDM-WC2). Eighty-five percent of the GDM-WHO were also identified by GDM-WC1. Previous GDM [odds ratio (OR) 2.9], glucosuria (OR 2.4), preconceptual overweight/obesity (OR 2.3), age 30 yr or older (OR 1.9), and large-for-gestational age (LGA) fetus (OR 1.8) were the best independent predictors of the occurrence of GDM. Previous GDM (OR 4.4) and overweight/obesity (OR 4.0) also independently predicted diabetes postpartum. GDM-WC1 had a higher rate of obstetrical complications (LGA neonates, neonatal hypoglycemia, cesarean sections; P &lt; 0.001) and impaired postpartum glucose tolerance (P &lt; 0.0001) than GDM-WHO. Conclusion: These results suggest the use of more stringent WC criteria for the diagnosis of GDM with the initiation of therapy in case of one fasting or stimulated abnormal glucose value because these criteria detected more LGA neonates with hypoglycemia and mothers with impaired postpartum glucose metabolism than the WHO criteria.


Author(s):  
Victoria R. Greenberg ◽  
Lisbet S. Lundsberg ◽  
Uma M. Reddy ◽  
William A. Grobman ◽  
Corette B. Parker ◽  
...  

Objective This study aimed to determine if one abnormal value of four on the diagnostic 3-hour oral glucose tolerance test (OGTT) is associated with adverse perinatal outcomes in obese women. Study Design This is a secondary analysis of a prospective study of nulliparous women in eight geographic regions. Women with body mass index <30 kg/m2 and pregestational diabetes mellitus (GDM) were excluded. Four groups were compared: (1) normal 50-g 1-hour glucose screen, (2) elevated 1-hour glucose screen with normal 100-g 3-hour diagnostic OGTT, (3) elevated 1-hour glucose screen and one of four abnormal values on 3-hour OGTT, and (4) GDM. Using multivariable logistic regression adjusting for covariates, the women in the groups with dysglycemia were compared with those in the normal screen group for maternal and neonatal outcomes. Results Among 1,713 obese women, 1,418 (82.8%) had a normal 1-hour glucose screen, 125 (7.3%) had a normal 3-hour diagnostic OGTT, 72 (4.2%) had one abnormal value on their diagnostic OGTT, and 98 (5.7%) were diagnosed with GDM. The one abnormal value group had increased risk of large for gestational age (LGA) neonates (adjusted odds ratio [aOR] = 2.24, 95% confidence interval [CI]: 1.31–3.82), cesarean delivery (aOR = 2.19, 95% CI: 1.34–3.58), and hypertensive disorders of pregnancy (aOR = 2.19, 95% CI: 1.32–3.63) compared with normal screens. The one abnormal value group also had an increased risk of preterm birth <37 weeks (aOR = 2.63, 95% CI: 1.43–4.84), neonatal respiratory support (aOR = 2.38, 95% CI: 1.23–4.60), and neonatal hyperbilirubinemia (aOR = 2.00, 95% CI: 1.08–3.71). There was no association between one abnormal value with shoulder dystocia and neonatal hypoglycemia. Conclusion For obese women, one abnormal value on the 3-hour OGTT confers increased perinatal adverse outcomes. These women should be studied further to determine if nutrition counseling and closer fetal monitoring improve outcomes even in the absence of a diagnosis of GDM. Key Points


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