Laboratory diagnosis of gestational diabetes mellitus

Daly, Niamh; Turner, Michael J.

doi:10.1111/1471-0528.13907

Cited by 8 publications

(6 citation statements)

References 14 publications

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“…15 This is explained by the impact of glycolysis on the fasting sample under customary conditions. 22 The current IADPSG diagnostic criteria for GDM were based on previous NACB laboratory standards (use of an ice slurry and cell separation within 60 minutes). 12 It is possible, therefore, that the higher incidence of GDM using the IADPSG criteria and stricter NACB standards (use of an ice slurry and cell separation within 30 minutes) in this study, has resulted in a 'recalibration' of the fasting value.…”

Section: Discussionmentioning

confidence: 99%

“…National surveys in Europe have shown that the customary pre-analytical handling of glucose samples does not adhere to the NACB recommendations. 22 One possible solution to the challenge of in vitro glycolysis in OGTT samples is point-of-care (POC) testing. 14,15,[19][20][21] We have therefore suggested that the customary practice of using FE tubes without strict implementation of the NACB recommendations (placement on an ice-slurry, centrifugation and analysis within 30 minutes) should be abandoned.…”

Section: Introductionmentioning

confidence: 99%

“…14,15,[19][20][21] We have therefore suggested that the customary practice of using FE tubes without strict implementation of the NACB recommendations (placement on an ice-slurry, centrifugation and analysis within 30 minutes) should be abandoned. 22 One possible solution to the challenge of in vitro glycolysis in OGTT samples is point-of-care (POC) testing. To date, POC glucose testing has been disappointing for diagnostic purposes.…”

Section: Introductionmentioning

confidence: 99%

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

Daly

Carroll

Flynn

et al. 2016

BJOG

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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

Daly

Carroll

Flynn

et al. 2016

BJOG

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“…We excluded 95 studies in total (including nine duplicates); 31 were conducted in high income setting; 17 studies were excluded because they did not follow EPOC study design recommendations (Akter et al, 2012;Caut et al, 2019;Della Libera et al, 2011;Gila-Diaz et al, 2021;Jindal et al, 2021;Kamudoni et al, 2016;Nair et al, 2020;NCT04694235, 2021;Parra et al, 2005;Rifayanto et al, 2021;Santos et al, 2013;Selvakumar, 2015;Shimpuku et al, 2019;Thaver et al, 2020;Wijaya-Erhardt et al, 2014); 14 studies targeted participants that were not relevant to this review (dos Santos et al, 2019;Fayasari et al, 2019;Fernald et al, 2016;Kimani-Murage et al, 2013;Kimani-Murage et al, 2015;Lin et al, 2017;Mwangi et al, 2020;Nguyen et al, 2021;Nugraheni et al, 2020;Owais et al, 2017;Scherbaum et al, 2017;Stewart et al, 2020); 10 did not have a nutrition counseling intervention for pregnant women (Abrha et al, 2020;Diddana et al, 2018;Fan et al, 2010;Ferrari et al, 2020;Gomes et al, 2019;Hajian et al, 2020;Pawalia et al, 2020;RBR-5jy777, 2019;Sahran et al, 2021;Swaminathan, 2015;…”

Section: Excluded Studiesmentioning

confidence: 99%

Effectiveness of nutrition counseling for pregnant women in low‐ and middle‐income countries to improve maternal and infant behavioral, nutritional, and health outcomes: A systematic review

Dewidar,

John,

Baqar

et al. 2023

Campbell Systematic Reviews

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BackgroundNutritional counseling, which includes two‐way interactive education, has been hypothesized to improve the health and nutritional status of pregnant women, but little is known about the impact such practice of care might have on maternal and infant health and behavioral outcomes of pregnant women living in low income, low‐middle income, and upper‐middle‐income countries (LMIC)s.ObjectivesWe conducted a systematic review to appraise the effectiveness and impact on health equity of two‐way nutritional counseling practices in LMICs on maternal and infant behavioral, nutritional, and health outcomes.Search MethodsWe conducted electronic searches for relevant studies on Medline, Embase, CINAHL, PsychInfo, and the Cochrane CENTRAL for randomized and non‐randomized trials on the effectiveness of two‐way interactive nutritional counseling among pregnant women from the date of database inception up to June 22, 2021. In addition, we searched references of included studies in systematic reviews, gray literature resources, and unpublished studies or reports that satisfied our eligibility criteria using a focused Google search.Selection CriteriaWe included randomized and non‐randomized controlled studies (NRS), controlled before and after, and interrupted time series that assessed the effectiveness of two‐way interactive nutrition counseling targeting pregnant women in LMICs.Data Collection and AnalysisData extraction and risk of bias were conducted in duplicate. The risk of bias (ROB) for randomized trials (RCT) was assessed according to the Cochrane Handbook of Systematic Reviews, and ROB for NRS was assessed using the Newcastle‐Ottawa scale (NOS). RCT and NRS were meta‐analyzed separately.Main ResultsOur search identified 6418 records and 52 studies met our inclusion criteria, but only 28 were used in the quantitative analysis. Twenty‐eight studies were conducted in Asia, the most in Iran. Eight studies were conducted in Africa. Two‐way interactive nutritional counseling during pregnancy may improve dietary caloric intake (mean difference [MD]: 81.65 calories, 95% confidence interval [CI], 15.37–147.93, three RCTs; I2 = 42%; moderate certainty of evidence using GRADE assessment), may reduce hemorrhage (relative risk [RR]: 0.63; 95% CI, 0.25–1.54, two RCTs; I2 = 40%; very low certainty of evidence using GRADE assessment), may improve protein (MD: 10.44 g, 95% CI, 1.83–19.05, two RCTs; I2 = 95%; high certainty of evidence using GRADE assessment), fat intake (MD: 3.42 g, 95% CI, −0.20 to 7.04, two RCTs; I2 = 0%; high certainty of evidence using GRADE assessment), and may improve gestational weight gain within recommendations (RR: 1.84; 95% CI, 1.10–3.09, three RCTs; I2 = 69%). Nutrition counseling probably leads to the initiation of breastfeeding immediately after birth (RR: 1.72; 95% CI, 1.42–2.09, one RCT). There was little to no effect on reducing anemia (RR: 0.77; 95% CI, 0.50–1.20, three RCTs; I2 = 67%; very low certainty of evidence using GRADE assessment) risk of stillbirths (RR: 0.81; 95% CI, 0.52–1.27, three RCTs; I2 = 0%; moderate certainty of evidence using GRADE assessment) and risk of cesarean section delivery (RR: 0.96; 95% CI, 0.76–1.20, four RCTs; I2 = 36%; moderate certainty of evidence using GRADE assessment).Authors’ ConclusionsOur review highlights improvements in maternal behavioral and health outcomes through interactive nutrition counseling during pregnancy. However, we are uncertain about the effects of nutrition counseling due to the low certainty of evidence and a low number of studies for some key outcomes. Moreover, the effects on health equity remain unknown. More methodologically rigorous trials that focus on a precise selection of outcomes driven by the theory of change of nutrition counseling to improve maternal and infant behavioral and health outcomes and consider equity are required.

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“…However, they do not specify which method to be used to analyze P-glucose [2,5,6]. Some studies indicate that the glucose levels in capillary and venous plasma are not interchangeable, especially not in the non-fasting condition [7,8], but there is controversy about whether capillary plasma samples can be used for diagnosing GDM [9]. There are several advantages with capillary sampling, as it is easier to perform and requires simpler equipment.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Venous and Capillary Sampling in Oral Glucose Testing for the Diagnosis of Gestational Diabetes Mellitus: A Diagnostic Accuracy Cross-Sectional Study Using Accu-Chek Inform II

et al. 2020

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Gestational diabetes mellitus (GDM) is a common complication with negative impacts on mother and child. The primary aim of this study was to examine whether plasma glucose cutoffs for GDM diagnosis based on venous sampling can be replaced by cutoffs based on capillary sampling. A prospective cross-sectional study was performed at an antenatal care clinic including 175 pregnant women undergoing an oral glucose tolerance test (OGTT). Duplicate samples were collected by capillary and venous puncture while fasting and 1 h and 2 h after an OGTT. Both samples were analyzed on Accu-Chek Inform II. The cutoffs for a GDM diagnosis using capillary samples were corrected from 5.1 to 5.3 mmol/L for the fasting sample, from 10.0 to 11.1 mmol/L for the 1 h sample, and from 8.5 to 9.4 mmol/L for the 2-h sample using half of the dataset. Applying these cutoffs to the remaining dataset resulted in a sensitivity, specificity, and accuracy of 85.0%, 95.0%, and 90.3%, respectively, with a positive predictive value (PPV) of 83%, an negative predictive value (NPV) of 96%, and a positive negative likelihood ratio (LHR) of 16.4 using capillary sampling for the GDM diagnosis at fasting and 2-h after. Corrected cutoffs and capillary samples can be used for the diagnosis of GDM with maintained diagnostic accuracy using Accu-Chek Inform II.

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Laboratory diagnosis of gestational diabetes mellitus

Cited by 8 publications

References 14 publications

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

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

Effectiveness of nutrition counseling for pregnant women in low‐ and middle‐income countries to improve maternal and infant behavioral, nutritional, and health outcomes: A systematic review

Comparison of Venous and Capillary Sampling in Oral Glucose Testing for the Diagnosis of Gestational Diabetes Mellitus: A Diagnostic Accuracy Cross-Sectional Study Using Accu-Chek Inform II

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