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Prevalence and timing of postpartum glucose testing and sustained glucose dysregulation after gestational diabetes mellitus.

ABSTRACT: OBJECTIVE To estimate the prevalence of postpartum glucose testing within 6 months of pregnancies complicated by gestational diabetes mellitus (GDM), assess factors associated with testing and timing of testing after delivery, and report the test results among tested women. RESEARCH DESIGN AND METHODS This was a retrospective study of 11,825 women who were identified as having GDM using the 100-g oral glucose tolerance test (OGTT) from 1999 to 2006. Postpartum testing (75-g 2-h OGTT or fasting plasma glucose [FPG]) within 6 months of delivery and test results from laboratory databases are reported. Postpartum test results are categorized as normal, impaired fasting glucose (IFG) and/or impaired glucose tolerance (IGT), and provisionally diabetic. RESULTS About half (n = 5,939) the women were tested with either a FPG or 75-g OGTT from 7 days to 6 months postpartum. Of these women, 46% were tested during the 6- to 12-week postpartum period. Odds of testing were independently associated with age, race/ethnicity, household income, education, foreign-born status, parity, mode of delivery, having a postpartum visit, having GDM coded at discharge, and pharmacotherapy for GDM. Of the 5,857 women with test results, 16.3% (n = 956) had IFG/IGT and 1.1% (n = 66) had provisional diabetes. After adjustment for demographic and clinical factors, abnormal postpartum test results was associated with having required insulin, glyburide, or metformin during pregnancy and with longer period from delivery to postpartum testing. CONCLUSIONS After a pregnancy complicated by GDM, automated orders for postpartum testing with notification to physicians and electronically generated telephone and e-mail reminder messages to patients may improve the rates of postpartum testing for persistence of glucose intolerance.

SUBMITTER: Lawrence JM

PROVIDER: S-EPMC2827509 | biostudies-literature | 2010 Mar

REPOSITORIES: biostudies-literature

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Prevalence and timing of postpartum glucose testing and sustained glucose dysregulation after gestational diabetes mellitus.

Lawrence Jean M JM Black Mary Helen MH Hsu Jin-Wen JW Chen Wansu W Sacks David A DA

Diabetes care 20091229 3

OBJECTIVE To estimate the prevalence of postpartum glucose testing within 6 months of pregnancies complicated by gestational diabetes mellitus (GDM), assess factors associated with testing and timing of testing after delivery, and report the test results among tested women. RESEARCH DESIGN AND METHODS This was a retrospective study of 11,825 women who were identified as having GDM using the 100-g oral glucose tolerance test (OGTT) from 1999 to 2006. Postpartum testing (75-g 2-h OGTT or fasting p ...[more]

PMID: 20040657

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Project description:Early gestational diabetes mellitus (eGDM) is diagnosed when fasting plasma glucose before 24 weeks of gestation (WG) is ≥ 5.1 mmol/L, whilst standard GDM is diagnosed between 24 and 28 WG by oral glucose tolerance test (OGTT). eGDM seems to have worse obstetric outcomes than standard GDM. We compared the rates of postpartum glucose metabolism disorders between women with early versus standard GDM in this prospective study on women with GDM from three university hospitals between 2014 and 2016. Patients were included if they were < 24 WG with at least one risk factor for GDM and excluded if they had type 2 diabetes. Patients were assigned to Group 1 (G1) for eGDM according to IADPSG: fasting blood glucose < 24 WG between 5.1 and 7 mmol/L. Group 2 (G2) consisted of patients presenting a standard GDM at 24-28 WG on OGTT results according to IADPSG: T0 ≥ 5.1 mmol/L or T60 ≥ 10.0 mmol g/L or T120 ≥ 8.5 mmol/L. The primary outcome was postpartum OGTT result. Five hundred patients were analysed, with 273 patients undergoing OGTT at 4-18 weeks postpartum: 192 patients in G1 (early) and 81 in G2 (standard). Patients in G1 experienced more insulin therapy during pregnancy than G2 (52.2% versus 32.5%, p < 0.001), but no patients were taking insulin postpartum in either group. G1 patients experienced less preterm labour (2.6% versus 9.1%, p = 0.043), more induced deliveries (38% versus 25%, p = 0.049) and reduced foetal complications (29.2% versus 42.0%, p = 0.048). There was no significant difference in the rate of postpartum glucose metabolism disorders (type 2 diabetes, impaired glucose tolerance, impaired fasting glycaemia) between groups: 48/192 (25%) in G1 and 17/81 (21%) in G2, p = 0.58. Thus the frequency of early postpartum glucose metabolism disorders is high, without difference between eGDM and standard GDM. This supports measurement of fasting plasma glucose before 24 WG and the threshold of 5.1 mmol/L seems appropriate until verification in future studies.Trial registration: NCT01839448, ClinicalTrials.gov on 22/04/2013.

Project description:BackgroundGestational diabetes mellitus (GDM) is a risk factor for diabetes mellitus. The 75-g, 2-h oral glucose tolerance test is recommended for mothers with a history of GDM to screen for diabetes in the postnatal period. The aim of this study was to investigate the rate of glucose screening within 6 months postpartum among Chinese mothers with a history of GDM, and to identify its predictors.MethodsA prospective cohort study was conducted in a regional teaching hospital in Guangzhou, China, between July 2016 and June 2017. The participants were Chinese mothers (n = 237) who were diagnosed with GDM, were aged 18 years or older with no serious physical or mental disease and had not been diagnosed with type 1 or type 2 diabetes prior to their pregnancy. The revised Chinese version of the Champion's Health Belief Model Scale and social-demographic and perinatal characteristics factors were collected and used to predict postpartum glucose screening (yes or no). Adjust odds ratio (AOR) and 95% confidence interval (95% CI) were calculated.ResultsThe mean age of the 237 mothers was 32.70 years (range from 22 to 44). Almost half of the mothers (45.6%) were college graduates or higher. Chinese mothers reported a high level of perceived benefits, self-efficacy, and health motivation towards postpartum glucose screening, with a mean score above 3.5. Chinese mothers were more likely to undertake postpartum glucose screening if they were a first-time mother [AOR 2.618 (95% CI: 1.398-4.901)], had a high perceived susceptibility score [AOR 2.173 (95% CI: 1.076-4.389)], a high perceived seriousness score [AOR 1.988 (95%CI: 1.020-3.875)] and high perceived benefits score [AOR 2.978 (95%CI: 1.540-5.759)].ConclusionThe results of this study will lead to better identification of mothers with a history of GDM who may not screen for postpartum glucose abnormality. Health care professionals should be cognizant of issues that may affect postpartum glucose screening among mothers with a history of GDM, including parity, perceived susceptibility, perceived seriousness and perceived benefits.

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Prevalence and timing of postpartum glucose testing and sustained glucose dysregulation after gestational diabetes mellitus.

Publications

Prevalence and timing of postpartum glucose testing and sustained glucose dysregulation after gestational diabetes mellitus.

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