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1.
iScience ; 27(5): 109762, 2024 May 17.
Artigo em Inglês | MEDLINE | ID: mdl-38741712

RESUMO

Cardiometabolic risk accrues across the life course and childhood and adolescence are key periods for effective prevention. Obesity is associated with inflammation in adults, but pediatric data are scarce. In a cross-sectional and longitudinal study, we investigated immune cell composition and activation in 31 adolescents with obesity (41.9% male, BMIz>2.5, 14.4 years) and 22 controls with healthy weight (45.1% male, -1.5

3.
Obes Res Clin Pract ; 17(4): 343-348, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37633821

RESUMO

BACKGROUND: Obesity-associated chronic inflammation mediates the development of adverse cardiometabolic outcomes. There are sparse data on associations between severe obesity and inflammatory biomarkers in adolescence; most are cross-sectional and limited to acute phase reactants. Here, we investigate associations between adiposity measures and inflammatory biomarkers in children and adolescents with severe obesity both cross-sectionally and longitudinally. METHODS: From the Childhood Overweight Biorepository of Australia (COBRA) study, a total of n = 262 participants, mean age 11.5 years (SD 3.5) with obesity had measures of adiposity (body mass index, BMI; % above the 95th BMI-centile, %>95th BMI-centile; waist circumference, WC; waist/height ratio, WtH; % total body fat, %BF; % truncal body fat, %TF) and inflammation biomarkers (glycoprotein acetyls, GlycA; high-sensitivity C-Reactive Protein, hsCRP; white blood cell count, WBC; and neutrophil/lymphocyte ratio, NLR) assessed at baseline. Ninety-eight individuals at mean age of 15.9 years (3.7) participated in a follow-up study 5.6 (2.1) years later. Sixty-two individuals had longitudinal data. Linear regression models, adjusted for age and sex for cross-sectional analyses were applied. To estimate longitudinal associations between change in adiposity measures with inflammation biomarkers, models were adjusted for baseline measures of adiposity and inflammation. RESULTS: All adiposity measures were cross-sectionally associated with GlycA, hsCRP and WBC at both time points. Change in BMI, %>95th BMI-centile, WC, WtH and %TF were associated with concomitant change in GlycA and WBC, but not in hsCRP and NLR. CONCLUSION: GlycA and WBC but not hsCRP and NLR may be useful in assessing adiposity-related severity of chronic inflammation over time.


Assuntos
Obesidade Mórbida , Obesidade Infantil , Criança , Humanos , Adolescente , Proteína C-Reativa/metabolismo , Adiposidade , Obesidade Mórbida/complicações , Seguimentos , Estudos Transversais , Inflamação , Obesidade Infantil/complicações , Biomarcadores , Índice de Massa Corporal , Glicoproteínas/metabolismo , Circunferência da Cintura
4.
J Paediatr Child Health ; 59(2): 271-275, 2023 02.
Artigo em Inglês | MEDLINE | ID: mdl-36427023

RESUMO

AIM: To determine the prevalence of risk factors for type 2 diabetes in overweight and obese adolescents attending hospital-based paediatric care in Western Melbourne. METHODS: One hundred overweight and obese adolescents (aged 10-17 years) who attended an outpatient clinic at Sunshine Hospital between May 2019 and May 2020 were randomly selected following a retrospective chart review of 10-17 years old for whom a height and weight had been documented. Additional risk factors for type 2 diabetes were ascertained via structured telephone interview. Data were analysed to determine the overall prevalence of risk factors for type 2 diabetes, and to evaluate for associations between each parameter with body mass index and the number of risk factors. RESULTS: Of the 487 adolescents who had height and weight data recorded, 45% were overweight or obese. 77% of those who were interviewed had an additional risk factor for type 2 diabetes. No association between the number of risk factors and body mass index standard deviation score was found. Additionally, there was no association between the number of risk factors for type 2 diabetes and either family history of type 2 diabetes or ethnicity. CONCLUSIONS: This paediatric subpopulation had a high rate of risk factors for type 2 diabetes in addition to overweight and obesity, and are at risk of premature mortality and chronic morbidity should they develop type 2 diabetes.


Assuntos
Diabetes Mellitus Tipo 2 , Sobrepeso , Humanos , Adolescente , Criança , Sobrepeso/epidemiologia , Diabetes Mellitus Tipo 2/etiologia , Diabetes Mellitus Tipo 2/complicações , Estudos Retrospectivos , Prevalência , Obesidade/epidemiologia , Fatores de Risco , Índice de Massa Corporal
5.
Pediatr Obes ; 17(10): e12932, 2022 10.
Artigo em Inglês | MEDLINE | ID: mdl-35644889

RESUMO

BACKGROUND: Few studies have assessed whether children exposed to in utero hyperglycaemia experience different growth trajectories compared to unexposed children. OBJECTIVES: To assess association of type 2 diabetes (T2D) and gestational diabetes mellitus (GDM) with early childhood weight, length/height and body mass index (BMI) trajectories, and with timing and magnitude of peak BMI in infancy. METHODS: PANDORA is a birth cohort recruited from an Australian hyperglycaemia in pregnancy register, and women with normoglycaemia recruited from the community. Offspring growth measures were obtained from health records over a median follow-up of 3.0 years (interquartile range 1.9-4.0). This analysis included children born to Aboriginal mothers with in utero normoglycaemia (n = 95), GDM (n = 228) or T2D (n = 131). Growth trajectories (weight, length/height and BMI) were estimated using linear mixed models with cubic spline functions of child age. RESULTS: After adjustment for maternal factors (age, BMI, parity, smoking, and socioeconomic measures) and child factors (age, gestational age at birth, and sex), children born to mothers with T2D or GDM had lower weight, length/height and BMI trajectories in infancy than children born to mothers with normoglycaemia, but similar weight and BMI by completion of follow-up. Children exposed to T2D had lower mean peak BMI 17.6 kg/m2 (95% confidence interval [CI] 17.3-18.0) than children exposed to normoglycaemia (18.6 kg/m2 [18.1-18.9]) (p = 0.001). CONCLUSIONS: Maternal hyperglycaemia was associated with differences in early childhood growth trajectories after adjustment for maternal BMI. Exploration of associations between in utero hyperglycaemia exposure and growth trajectories into later childhood is required.


Assuntos
Diabetes Mellitus Tipo 2 , Diabetes Gestacional , Hiperglicemia , Austrália/epidemiologia , Peso ao Nascer , Índice de Massa Corporal , Criança , Pré-Escolar , Diabetes Mellitus Tipo 2/epidemiologia , Diabetes Gestacional/epidemiologia , Feminino , Humanos , Hiperglicemia/epidemiologia , Recém-Nascido , Gravidez , Fatores de Risco
6.
Pediatr Obes ; 17(6): e12891, 2022 06.
Artigo em Inglês | MEDLINE | ID: mdl-35187835

RESUMO

BACKGROUND: Benefits of breastfeeding on infant growth in children born to mothers with gestational diabetes mellitus (GDM) are uncertain. OBJECTIVES: To describe growth trajectories between birth and 14 months according to breastfeeding and maternal hyperglycaemia in pregnancy, and assess associations between breastfeeding and 14 month growth outcomes among children born to mothers with GDM. SUBJECTS/METHODS: Data on 258 Aboriginal and Torres Strait Islander infants from the PANDORA study born to mothers with normoglycaemia (n = 73), GDM (n = 122), or with pre-existing type 2 diabetes (n = 63) in pregnancy were assessed. Infant weight and BMI growth trajectories according to predominant breastfeeding at 6 months and hyperglycaemia in pregnancy were developed using mixed-effect models and cubic splines. Associations between breastfeeding and 14-month growth outcomes (z-scores: weight-for-age, weight-for-length and BMI) were evaluated using linear regression in a subgroup of infants born to mothers with GDM. RESULTS: Predominantly breastfed infants had lower BMI trajectories compared to those not predominantly breastfed, irrespective of maternal hyperglycaemia in pregnancy status (p < 0.01 for all groups), and lower weight trajectories among those born to mothers with GDM (p = 0.006). Among offspring of women with GDM, predominant breastfeeding was only associated with lower weight-for-age at 14 months, however adjusting for maternal obesity, smoking, and parity attenuated observed associations. Maternal obesity remained significantly associated with greater infant growth. CONCLUSIONS: Predominant breastfeeding was associated with reduced growth among children born to women with and without hyperglycaemia in pregnancy. However, among children exposed to GDM in utero, maternal obesity largely explained this association.


Assuntos
Diabetes Mellitus Tipo 2 , Diabetes Gestacional , Hiperglicemia , Obesidade Materna , Estado Pré-Diabético , Peso ao Nascer , Índice de Massa Corporal , Aleitamento Materno , Criança , Diabetes Mellitus Tipo 2/epidemiologia , Diabetes Gestacional/epidemiologia , Feminino , Humanos , Hiperglicemia/epidemiologia , Lactente , Recém-Nascido , Mães , Gravidez
7.
Diabetes Res Clin Pract ; 181: 109092, 2021 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-34653565

RESUMO

AIMS: To determine among First Nations and Europid pregnant women the cumulative incidence and predictors of postpartum type 2 diabetes and prediabetes and describe postpartum cardiovascular disease (CVD) risk profiles. METHODS: PANDORA is a prospective longitudinal cohort of women recruited in pregnancy. Ethnic-specific rates of postpartum type 2 diabetes and prediabetes were reported for women with diabetes in pregnancy (DIP), gestational diabetes (GDM) or normoglycaemia in pregnancy over a short follow-up of 2.5 years (n = 325). Pregnancy characteristics and CVD risk profiles according to glycaemic status, and factors associated with postpartum diabetes/prediabetes were examined in First Nations women. RESULTS: The cumulative incidence of postpartum type 2 diabetes among women with DIP or GDM were higher for First Nations women (48%, 13/27, women with DIP, 13%, 11/82, GDM), compared to Europid women (nil DIP or GDM p < 0.001). Characteristics associated with type 2 diabetes/prediabetes among First Nations women with GDM/DIP included, older age, multiparity, family history of diabetes, higher glucose values, insulin use and body mass index (BMI). CONCLUSIONS: First Nations women experience a high incidence of postpartum type 2 diabetes after GDM/DIP, highlighting the need for culturally responsive policies at an individual and systems level, to prevent diabetes and its complications.


Assuntos
Diabetes Mellitus Tipo 2 , Diabetes Gestacional , Estado Pré-Diabético , Gravidez em Diabéticas , Idoso , Diabetes Mellitus Tipo 2/epidemiologia , Diabetes Gestacional/epidemiologia , Feminino , Humanos , Período Pós-Parto , Gravidez , Estudos Prospectivos , Fatores de Risco
8.
Int J Gynaecol Obstet ; 155(2): 296-304, 2021 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-34328645

RESUMO

OBJECTIVE: To assess associations of hyperglycemia in pregnancy with the risk of postpartum hemorrhage (PPH) in a prospective cohort of Indigenous and non-Indigenous women, compared with normoglycemia. METHODS: Data were from 1102 (48% Indigenous) women of the Pregnancy And Neonatal Diabetes Outcomes in Remote Australia (PANDORA) Study. Age-adjusted associations of gestational diabetes mellitus (GDM) or pre-existing type 2 diabetes mellitus (T2DM), obstetric and demographic covariables with PPH (blood loss ≥500 ml) were assessed using logistic regression. Multivariable-adjusted models included Indigenous ethnicity, diabetes type and their interaction. RESULTS: A higher proportion of Indigenous women developed PPH than non-Indigenous women (32% versus 22%; P < 0.001). Compared with non-Indigenous women with normoglycemia, risks of PPH for Indigenous women with GDM or T2DM were higher (odds ratio [OR] 1.83, 95% confidence intervals [CI] 1.11-3.02, and OR 1.72, 95% CI 0.99-3.00 after age adjustment, OR 1.84, 95% CI 1.06-3.19, and OR 1.33, 95% CI 0.70-2.54 after adjustment for school education and delivery mode, and OR 1.62, 95% CI 0.95-2.77, and OR 0.99, 95% CI 0.53-1.86 after adjustment for birth weight). Importantly, Indigenous women without hyperglycemia in pregnancy were not at increased risk of PPH. CONCLUSION: The significantly higher rates of PPH experienced by Indigenous women compared with non-Indigenous women may be explained by a greater effect of GDM among Indigenous women that was only partly accounted for by birth weight.


Assuntos
Diabetes Mellitus Tipo 2 , Diabetes Gestacional , Hemorragia Pós-Parto , Austrália/epidemiologia , Diabetes Mellitus Tipo 2/epidemiologia , Diabetes Gestacional/epidemiologia , Feminino , Humanos , Recém-Nascido , Hemorragia Pós-Parto/epidemiologia , Gravidez , Estudos Prospectivos
9.
Diabetes Care ; 44(6): 1281-1290, 2021 06.
Artigo em Inglês | MEDLINE | ID: mdl-33858854

RESUMO

OBJECTIVE: Obesity is an established risk factor for severe coronavirus disease 2019 (COVID-19), but the contribution of overweight and/or diabetes remains unclear. In a multicenter, international study, we investigated if overweight, obesity, and diabetes were independently associated with COVID-19 severity and whether the BMI-associated risk was increased among those with diabetes. RESEARCH DESIGN AND METHODS: We retrospectively extracted data from health care records and regional databases of hospitalized adult patients with COVID-19 from 18 sites in 11 countries. We used standardized definitions and analyses to generate site-specific estimates, modeling the odds of each outcome (supplemental oxygen/noninvasive ventilatory support, invasive mechanical ventilatory support, and in-hospital mortality) by BMI category (reference, overweight, obese), adjusting for age, sex, and prespecified comorbidities. Subgroup analysis was performed on patients with preexisting diabetes. Site-specific estimates were combined in a meta-analysis. RESULTS: Among 7,244 patients (65.6% overweight/obese), those with overweight were more likely to require oxygen/noninvasive ventilatory support (random effects adjusted odds ratio [aOR], 1.44; 95% CI 1.15-1.80) and invasive mechanical ventilatory support (aOR, 1.22; 95% CI 1.03-1.46). There was no association between overweight and in-hospital mortality (aOR, 0.88; 95% CI 0.74-1.04). Similar effects were observed in patients with obesity or diabetes. In the subgroup analysis, the aOR for any outcome was not additionally increased in those with diabetes and overweight or obesity. CONCLUSIONS: In adults hospitalized with COVID-19, overweight, obesity, and diabetes were associated with increased odds of requiring respiratory support but were not associated with death. In patients with diabetes, the odds of severe COVID-19 were not increased above the BMI-associated risk.


Assuntos
COVID-19 , Diabetes Mellitus , Adulto , Índice de Massa Corporal , Hospitais , Humanos , Obesidade/complicações , Obesidade/epidemiologia , Sobrepeso/epidemiologia , Estudos Retrospectivos , Fatores de Risco , SARS-CoV-2
10.
Diabetologia ; 63(12): 2571-2581, 2020 12.
Artigo em Inglês | MEDLINE | ID: mdl-32910247

RESUMO

AIMS/HYPOTHESIS: Women with gestational diabetes mellitus (GDM) and obesity experience lower rates of breastfeeding. Little is known about breastfeeding among mothers with type 2 diabetes. Australian Indigenous women have a high prevalence of type 2 diabetes in pregnancy. We aimed to evaluate the association of hyperglycaemia, including type 2 diabetes, with breastfeeding outcomes. METHODS: Indigenous (n = 495) and non-Indigenous (n = 555) participants of the Pregnancy And Neonatal Diabetes Outcomes in Remote Australia (PANDORA) cohort included women without hyperglycaemia in pregnancy (n = 222), with GDM (n = 684) and with type 2 diabetes (n = 144). The associations of hyperglycaemia in pregnancy and breastfeeding at hospital discharge, 6 weeks and 6 months post-partum were evaluated with logistic regression, after adjustment for maternal obesity, ethnicity, maternal and neonatal characteristics. RESULTS: Indigenous women were more likely to predominantly breastfeed at 6 weeks across all levels of hyperglycaemia. Compared with women with no hyperglycaemia in pregnancy, women with type 2 diabetes had lower odds for exclusive breastfeeding at discharge (adjusted OR for exclusive breastfeeding 0.4 [95% CI 0.2, 0.8] p = 0.006). At 6 weeks and 6 months, the relationship between type 2 diabetes and predominant breastfeeding was not statistically significant (6 weeks 0.7 [0.3, 1.6] p = 0.40, 6 months 0.8 [0.4, 1.6] p = 0.60). Women with gestational diabetes were as likely to achieve predominant breastfeeding at 6 weeks and 6 months as women without hyperglycaemia in pregnancy. CONCLUSIONS/INTERPRETATION: Indigenous women had high rates of breastfeeding. Women with type 2 diabetes had difficulty establishing exclusive breastfeeding at hospital discharge. Further research is needed to assess the impact on long-term breastfeeding outcomes. Graphical abstract.


Assuntos
Aleitamento Materno , Diabetes Mellitus Tipo 2/epidemiologia , Diabetes Gestacional/epidemiologia , Feminino , Hospitais/estatística & dados numéricos , Humanos , Hiperglicemia/epidemiologia , Gravidez
11.
Diabetes Res Clin Pract ; 161: 108028, 2020 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-31962087

RESUMO

BACKGROUND: Australian Indigenous women experience high rates of social disadvantage and type 2 diabetes (T2D) in pregnancy, but it is not known how social factors and maternal behaviours impact neonatal adiposity in offspring of women with hyperglycaemia in pregnancy. METHODS: Participants were Indigenous (n = 404) and Europid (n = 240) women with gestational diabetes mellitus (GDM) or T2D in pregnancy and their offspring in the Pregnancy and Neonatal Diabetes Outcomes in Remote Australia (PANDORA) study. Social, economic factors, and maternal behaviours were measured in pregnancy and six neonatal anthropometric outcomes were examined after birth. RESULTS: On univariate analysis, maternal education < 12 years (p = 0.03), unemployment (p = 0.001), welfare income vs no welfare income (p = 0.001), lower area based socio-economic score (p < 0.001), and fast food intake > 2 times/week (p = 0.002) were associated with increased sum of skinfolds (SSF) in offspring. Smoking was significantly associated with a reduction in anthropometric measures, except SSF. In multivariable models adjusted for ethnicity, BMI and hyperglycaemia, social and economic factors were no longer significant predictors of neonatal outcomes. Smoking was independently associated with a reduction in length, head circumference and fat free mass. Frequent fast food intake remained independently associated with SSF (ß-coefficient 1.08 mm, p = 0.02). CONCLUSION: In women with hyperglycaemia in pregnancy, social factors were associated with neonatal adiposity, particularly skinfold measures. Promoting smoking cessation and limited intake of energy-dense, nutrient-poor foods in pregnancy are important to improve neonatal adiposity and lean mass outcomes. Addressing inequities in social and economic factors are likely to be important, particularly for Indigenous women or women experiencing social disadvantage.


Assuntos
Adiposidade/fisiologia , Diabetes Mellitus Tipo 2 , Diabetes Gestacional , Recém-Nascido/metabolismo , Comportamento Materno/fisiologia , Gravidez em Diabéticas , Efeitos Tardios da Exposição Pré-Natal/metabolismo , Adiposidade/etnologia , Adulto , Austrália/epidemiologia , Peso ao Nascer/fisiologia , Índice de Massa Corporal , Estudos de Coortes , Diabetes Mellitus Tipo 2/complicações , Diabetes Mellitus Tipo 2/epidemiologia , Diabetes Mellitus Tipo 2/metabolismo , Diabetes Gestacional/epidemiologia , Diabetes Gestacional/metabolismo , Feminino , Humanos , Hiperglicemia/complicações , Hiperglicemia/epidemiologia , Hiperglicemia/metabolismo , Masculino , Obesidade/complicações , Obesidade/epidemiologia , Obesidade/metabolismo , Grupos Populacionais/estatística & dados numéricos , Gravidez , Resultado da Gravidez/epidemiologia , Resultado da Gravidez/etnologia , Gravidez em Diabéticas/epidemiologia , Gravidez em Diabéticas/metabolismo , Efeitos Tardios da Exposição Pré-Natal/epidemiologia , Fumar/efeitos adversos , Fumar/epidemiologia , Fumar/etnologia , Fatores Socioeconômicos , Adulto Jovem
12.
Diabetologia ; 63(3): 497-507, 2020 03.
Artigo em Inglês | MEDLINE | ID: mdl-31915893

RESUMO

AIMS/HYPOTHESIS: We aimed to assess associations between cord blood metabolic markers and fetal overgrowth, and whether cord markers mediated the impact of maternal adiposity on neonatal anthropometric outcomes among children born to Indigenous and Non-Indigenous Australian women with normal glucose tolerance (NGT), gestational diabetes mellitus (GDM) and pregestational type 2 diabetes mellitus. METHODS: From the Pregnancy and Neonatal Outcomes in Remote Australia (PANDORA) study, an observational cohort of 1135 mother-baby pairs, venous cord blood was available for 645 singleton babies (49% Indigenous Australian) of women with NGT (n = 129), GDM (n = 419) and type 2 diabetes (n = 97). Cord glucose, triacylglycerol, HDL-cholesterol, C-reactive protein (CRP) and C-peptide were measured. Multivariable logistic and linear regression were used to assess the associations between cord blood metabolic markers and the outcomes of birthweight z score, sum of skinfold thickness (SSF), being large for gestational age (LGA) and percentage of body fat. Pathway analysis assessed whether cord markers mediated the associations between maternal and neonatal adiposity. RESULTS: Elevated cord C-peptide was significantly associated with increasing birthweight z score (ß 0.57 [95% CI 0.42, 0.71]), SSF (ß 0.83 [95% CI 0.41, 1.25]), percentage of body fat (ß 1.20 [95% CI 0.69, 1.71]) and risk for LGA [OR 3.14 [95% CI 2.11, 4.68]), after adjusting for age, ethnicity and diabetes type. Cord triacylglycerol was negatively associated with birthweight z score for Indigenous Australian women only. No associations between cord glucose, HDL-cholesterol and CRP >0.3 mg/l (2.9 nmol/l) with neonatal outcomes were observed. C-peptide mediated 18% (95% CI 13, 36) of the association of maternal BMI with LGA and 11% (95% CI 8, 17) of the association with per cent neonatal fat. CONCLUSIONS/INTERPRETATION: Cord blood C-peptide is an important mediator of the association between maternal and infant adiposity, across the spectrum of maternal glucose tolerance.


Assuntos
Adiposidade/fisiologia , Sangue Fetal/metabolismo , Desenvolvimento Fetal/fisiologia , Glucose/metabolismo , Complicações na Gravidez/metabolismo , Adulto , Austrália/epidemiologia , Biomarcadores/análise , Biomarcadores/metabolismo , Peso ao Nascer/fisiologia , Índice de Massa Corporal , Estudos de Coortes , Diabetes Mellitus Tipo 2/diagnóstico , Diabetes Mellitus Tipo 2/epidemiologia , Diabetes Mellitus Tipo 2/metabolismo , Diabetes Gestacional/diagnóstico , Diabetes Gestacional/epidemiologia , Diabetes Gestacional/metabolismo , Feminino , Intolerância à Glucose/diagnóstico , Intolerância à Glucose/epidemiologia , Intolerância à Glucose/metabolismo , Humanos , Hiperglicemia/diagnóstico , Hiperglicemia/epidemiologia , Hiperglicemia/metabolismo , Recém-Nascido , Masculino , Obesidade/complicações , Obesidade/diagnóstico , Obesidade/epidemiologia , Obesidade/metabolismo , Gravidez , Complicações na Gravidez/diagnóstico , Complicações na Gravidez/epidemiologia , Resultado da Gravidez/epidemiologia , Gravidez em Diabéticas/diagnóstico , Gravidez em Diabéticas/epidemiologia , Gravidez em Diabéticas/metabolismo , Prognóstico , Adulto Jovem
13.
J Diabetes ; 11(9): 761-770, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-30680949

RESUMO

BACKGROUND: In Australia's Northern Territory, Indigenous mothers account for 33% of births and have high rates of hyperglycemia in pregnancy. The prevalence of type 2 diabetes (T2D) in pregnancy is up to 10-fold higher in Indigenous than non-Indigenous Australian mothers, and the use of metformin is common. We assessed birth outcomes in relation to metformin use during pregnancy from a clinical register. METHODS: The study included women with gestational diabetes (GDM), newly diagnosed diabetes in pregnancy (DIP), or pre-existing T2D from 2012 to 2016. Data were analyzed for metformin use in the third trimester. Regression models were adjusted for maternal age, body mass index, parity, and insulin use. RESULTS: Of 1649 pregnancies, 814 (49.4%) were to Indigenous women, of whom 234 (28.7%) had T2D (vs 4.6% non-Indigenous women; P < 0.001). Metformin use was high in Indigenous women (84%-90% T2D, 42%-48% GDM/DIP) and increased over time in non-Indigenous women (43%-100% T2D, 14%-35% GDM/DIP). Among Indigenous women with GDM/DIP, there were no significant differences between groups with and without metformin in cesarean section (51% vs 39%; adjusted odds ratio [aOR] 1.25, 95% confidence interval [CI] 0.87-1.81), large for gestational age (24% vs 13%; aOR 1.5, 95% CI 0.9-2.5), or serious neonatal adverse events (9.4% vs 5.9%; aOR 1.32, 95% CI 0.68-2.57). Metformin use was independently associated with earlier gestational age (37.7 vs 38.5 weeks), but the risk did not remain independently higher after exclusion of women managed with medical nutrition therapy alone, and the increase in births <37 weeks was not significant on multivariate analysis. CONCLUSIONS: We found no clear evidence of any adverse outcomes related to the use of metformin for the treatment of hyperglycemia in pregnancy.


Assuntos
Biomarcadores/sangue , Diabetes Mellitus Tipo 2/tratamento farmacológico , Diabetes Gestacional/tratamento farmacológico , Hipoglicemiantes/uso terapêutico , Metformina/uso terapêutico , Estado Pré-Diabético/tratamento farmacológico , Adulto , Austrália/epidemiologia , Peso ao Nascer , Glicemia/metabolismo , Estudos de Casos e Controles , Diabetes Mellitus Tipo 2/sangue , Diabetes Mellitus Tipo 2/epidemiologia , Diabetes Gestacional/sangue , Diabetes Gestacional/epidemiologia , Feminino , Seguimentos , Idade Gestacional , Humanos , Northern Territory , Grupos Populacionais , Estado Pré-Diabético/sangue , Estado Pré-Diabético/epidemiologia , Gravidez , Resultado da Gravidez , Prognóstico
14.
Pediatr Obes ; 14(4): e12490, 2019 04.
Artigo em Inglês | MEDLINE | ID: mdl-30650263

RESUMO

BACKGROUND: In-utero exposures likely influence the onset and severity of obesity in youth. With increasing rates of type 2 diabetes mellitus (T2DM) and maternal adiposity in pregnancy globally, it is important to assess the impact of these factors on neonatal adipose measures. OBJECTIVES: To evaluate the contribution of maternal ethnicity, body mass index (BMI), gestational weight gain, and hyperglycaemia to neonatal adiposity. METHODS: Pregnancy and Neonatal Diabetes Outcomes in Remote Australia (PANDORA) is a longitudinal cohort study of Australian mother and neonate pairs. In this analysis, Indigenous (n = 519) and Europid (n = 358) women were included, of whom 644 had hyperglycaemia (type 2 diabetes [T2DM], diabetes in pregnancy [DIP], or gestational diabetes [GDM]). Associations between maternal ethnicity, hyperglycaemia, BMI and gestational weight gain, and the neonatal outcomes of length, head circumference, sum of skinfolds, total body fat, and percentage body fat were examined. Models were adjusted for maternal age, smoking status, parity, education, neonatal gender, and gestational age. RESULTS: Among those with hyperglycaemia in pregnancy, Indigenous women had a higher proportion of T2DM and DIP (36%, 13%) compared with Europid women (4%, 3%). In multivariate analysis, maternal T2DM (compared with no hyperglycaemia), BMI during pregnancy, and excess compared with appropriate gestational weight gain, were significantly associated with greater neonatal measures. DIP was associated with greater sum of skinfolds, total body fat, and percentage body fat. Indigenous ethnicity was associated with greater sum of skinfolds. CONCLUSIONS: Maternal BMI, excess gestational weight gain, and hyperglycaemia operated as independent factors influencing neonatal adiposity. Interventions addressing these factors are needed to reduce neonatal adiposity.


Assuntos
Adiposidade/fisiologia , Índice de Massa Corporal , Diabetes Mellitus/fisiopatologia , Ganho de Peso na Gestação/fisiologia , Hiperglicemia/complicações , Adulto , Austrália , Peso ao Nascer , Estudos de Coortes , Diabetes Mellitus/epidemiologia , Feminino , Idade Gestacional , Humanos , Recém-Nascido , Estudos Longitudinais , Masculino , Mães , Gravidez , Fatores de Risco
15.
Int J Epidemiol ; 48(1): 307-318, 2019 02 01.
Artigo em Inglês | MEDLINE | ID: mdl-30508095

RESUMO

BACKGROUND: In Australia's Northern Territory, 33% of babies are born to Indigenous mothers, who experience high rates of hyperglycemia in pregnancy. We aimed to determine the extent to which pregnancy outcomes for Indigenous Australian women are explained by relative frequencies of diabetes type [type 2 diabetes (T2DM) and gestational diabetes (GDM)]. METHODS: This prospective birth cohort study examined participants recruited from a hyperglycemia in pregnancy register. Baseline data collected were antenatal and perinatal clinical information, cord blood and neonatal anthropometry. Of 1135 women (48% Indigenous), 900 had diabetes: 175 T2DM, 86 newly diagnosed diabetes in pregnancy (DIP) and 639 had GDM. A group of 235 women without hyperglycemia in pregnancy was also recruited. RESULTS: Diabetes type differed for Indigenous and non-Indigenous women (T2DM, 36 vs 5%; DIP, 15 vs 7%; GDM, 49 vs 88%, p < 0.001). Within each diabetes type, Indigenous women were younger and had higher smoking rates. Among women with GDM/DIP, Indigenous women demonstrated poorer birth outcomes than non-Indigenous women: large for gestational age, 19 vs 11%, p = 0·002; neonatal fat 11.3 vs 10.2%, p < 0.001. In the full cohort, on multivariate regression, T2DM and DIP were independently associated (and Indigenous ethnicity was not) with pregnancy outcomes. CONCLUSIONS: Higher rates of T2DM among Indigenous women predominantly contribute to absolute poorer pregnancy outcomes among Indigenous women with hyperglycemia. As with Indigenous and minority populations globally, prevention or delay of type 2 diabetes in younger women is vital to improve pregnancy outcomes and possibly to improve the long-term health of their offspring.


Assuntos
Diabetes Gestacional/epidemiologia , Hiperglicemia/complicações , Gravidez em Diabéticas/epidemiologia , Antropometria , Peso ao Nascer , Aleitamento Materno , Desenvolvimento Infantil , Diabetes Gestacional/diagnóstico , Feminino , Idade Gestacional , Teste de Tolerância a Glucose , Humanos , Recém-Nascido , Modelos Logísticos , Análise Multivariada , Havaiano Nativo ou Outro Ilhéu do Pacífico , Northern Territory/epidemiologia , Complicações do Trabalho de Parto/epidemiologia , Gravidez , Resultado da Gravidez/epidemiologia , Estudos Prospectivos
17.
BMC Pregnancy Childbirth ; 13: 221, 2013 Dec 01.
Artigo em Inglês | MEDLINE | ID: mdl-24289168

RESUMO

BACKGROUND: Diabetes in pregnancy carries an increased risk of adverse pregnancy outcomes for both the mother and foetus, but it also provides an excellent early opportunity for intervention in the life course for both mother and baby. In the context of the escalating epidemic of chronic diseases among Indigenous Australians, it is vital that this risk is reduced as early as possible in the life course of the individual. The aims of the PANDORA Study are to: (i) accurately assess rates of diabetes in pregnancy in the Northern Territory (NT) of Australia, where 38% of babies are born to Indigenous mothers; (ii) assess demographic, clinical, biochemical, anthropometric, socioeconomic and early life development factors that may contribute to key maternal and neonatal birth outcomes associated with diabetes in pregnancy; and (iii) monitor relevant post-partum clinical outcomes for both the mothers and their babies. METHODS/DESIGN: Eligible participants are all NT women with diabetes in pregnancy aged 16 years and over. Information collected includes: standard antenatal clinical information, diagnosis and management of diabetes in pregnancy, socio-economic status, standard clinical birth information (delivery, gestational age, birth weight, adverse antenatal and birth outcomes). Cord blood is collected at the time of delivery and detailed neonatal anthropometric measurements performed within 72 hours of birth. Information will also be collected regarding maternal post-partum glucose tolerance and cardio-metabolic risk factor status, breastfeeding and growth of the baby up to 2 years post-partum in the first instance. DISCUSSION: This study will accurately document rates and outcomes of diabetes in pregnancy in the NT of Australia, including the high-risk Indigenous Australian population. The results of this study should contribute to policy and clinical guidelines with the goal of reducing the future risk of obesity and diabetes in both mothers and their offspring.


Assuntos
Diabetes Gestacional/epidemiologia , Gravidez em Diabéticas/epidemiologia , Projetos de Pesquisa , Antropometria , Peso ao Nascer , Aleitamento Materno , Desenvolvimento Infantil , Diabetes Gestacional/diagnóstico , Feminino , Idade Gestacional , Teste de Tolerância a Glucose , Humanos , Lactente , Recém-Nascido , Northern Territory/epidemiologia , Complicações do Trabalho de Parto/epidemiologia , Gravidez , Resultado da Gravidez/epidemiologia , Classe Social
18.
Pediatr Transplant ; 17(8): 731-6, 2013 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-24164826

RESUMO

PTLD is a potentially life-limiting complication of pediatric transplantation. Previous registry-based studies in renal transplantation have suggested a link between rhGH use and PTLD. In this study, demographic and transplant data on those aged <18 yr and transplanted between 1991 and 2008 were collected from the ANZDATA Registry. Associations between gender, age at time of transplant, recipient CMV and EBV status, use of monoclonal antibody therapy, and use of rhGH were studied as potential predictors of PTLD. Among 650 transplants, there were 20 cases (3.1%) of PTLD, with half presenting within two yr post-transplant. Eight patients exposed to rhGH at any time developed PTLD, and this association was not statistically significant (RR = 1.5[0.6-3.4], p = 0.36). On multivariate analysis, there were no significant predictors for PTLD. In this study, previously identified potential risk factors were not identified as significant predictors for the development of PTLD. Although limited sample size may affect our ability to infer safety, this large retrospective cohort study does not suggest an increased risk of PTLD in pediatric kidney transplant recipients who received rhGH treatment.


Assuntos
Hormônio do Crescimento Humano/efeitos adversos , Transplante de Rim , Transtornos Linfoproliferativos/etiologia , Insuficiência Renal/terapia , Adolescente , Austrália , Criança , Pré-Escolar , Estudos de Coortes , Citomegalovirus , Feminino , Herpesvirus Humano 4 , Hormônio do Crescimento Humano/uso terapêutico , Humanos , Imunoglobulina G/sangue , Lactente , Masculino , Análise Multivariada , Nova Zelândia , Proteínas Recombinantes/efeitos adversos , Proteínas Recombinantes/uso terapêutico , Sistema de Registros , Estudos Retrospectivos , Fatores de Risco
19.
J Pediatr Endocrinol Metab ; 23(3): 293-5, 2010 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-20480730
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