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1.
Obstet Med ; 17(2): 108-111, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38784189

ABSTRACT

Maternal Graves' autoantibodies are well known to cause fetal and neonatal thyroid disturbances. Despite radioiodine therapy, Graves' autoantibodies are known to persist, which can cross the placenta and cause hyperthyroidism in the fetus. We present the case of a 26-year-old woman in her first pregnancy, clinically and biochemically euthyroid with history of treated Graves' disease, where the fetus showed signs of hyperthyroidism on antenatal scans. This was confirmed by amniotic fluid testing as fetal blood sampling was not feasible and successfully treated with maternal carbimazole whilst continuing thyroxine for the mother (block-replacement). We discuss the challenges in the diagnosis of fetal hyperthyroidism and treatment whilst maternal thyroid status is maintained on thyroxine.

2.
Hepatology ; 74(5): 2923, 2021 11.
Article in English | MEDLINE | ID: mdl-34218454
3.
AACE Clin Case Rep ; 6(1): e30-e32, 2020.
Article in English | MEDLINE | ID: mdl-32984519

ABSTRACT

OBJECTIVE: Immunotherapy is a novel treatment that can cause autoimmune diabetes in rare cases. More cases occur following use of the inhibitor to the protein programmed cell death-1 rather than the inhibitor to programmed cell death-ligand 1. METHODS: We report a unique case of autoimmune diabetes following atezolizumab use. RESULTS: A 55-year-old, Aboriginal Australian female with no prior history of diabetes was commenced on atezolizumab for recurrent squamous cell lung carcinoma. Two months following its commencement, there was the onset of fatigue, polyuria, polydipsia, and new hyperglycemia. Subsequently she was found to have a borderline-low C peptide level of 0.6 nmol/L (reference range is 0.5 to 1.0 nmol/L), and positive zinc transporter-8 antibodies. Following the diagnosis of autoimmune diabetes, 5 units of glargine insulin was commenced which maintained euglycemia and resolved her symptoms of hyperglycemia. CONCLUSION: There are few case reports of atezolizumab-induced autoimmune diabetes. We present the first case associated with zinc transporter-8 antibodies, and a unique case of autoimmune diabetes in a patient of Aboriginal Australian background.

5.
AACE Clin Case Rep ; 5(6): e375-e379, 2019.
Article in English | MEDLINE | ID: mdl-31967075

ABSTRACT

OBJECTIVE: Adult nesidioblastosis is characterized by endogenous hyperinsulinemia typically causing post-prandial hypoglycemia, and most commonly occurs post-Roux-en-Y gastric bypass. METHODS: We report a unique case of nesidioblastosis occurring in a 67-year-old female. RESULTS: A 5-year history of symptomatic hypoglycemia occurred in a patient with short bowel syndrome and type 2 diabetes mellitus (T2DM) managed previously with a glucagon-like peptide 1 (GLP-1) agonist, which achieved significant weight loss. Continuous glucose monitoring captured 42 hypoglycemia episodes in a 2-week period, and following an oral glucose tolerance test there was the suggestion of a hyperinsulinemia state. She was managed with an open distal pancreatectomy, and subsequently required medical therapy to maintain euglycemia. CONCLUSION: We present the first case of nesidioblastosis occurring in a patient with short bowel syndrome, pre-existing T2DM managed with a GLP-1 agonist which achieved significant weight loss, all of which we speculate could have predisposed to hypoglycemia and development of nesidioblastosis.

6.
Cardiovasc Diabetol ; 9: 69, 2010 Oct 29.
Article in English | MEDLINE | ID: mdl-21029470

ABSTRACT

BACKGROUND: Epidemiological evidence suggests that fibrinogen and CRP are associated with coronary heart disease risk. High CRP in Indigenous Australians has been reported in previous studies including our 'Diabetes and Related diseases in Urban Indigenous population in Darwin region' (DRUID) Study. We studied levels of fibrinogen and its cross-sectional relationship with traditional and non-traditional cardiovascular risk factors in an urban Indigenous Australian cohort. METHODS: Fibrinogen data were available from 287 males and 628 females (aged ≥ 15 years) from the DRUID study. Analysis was performed for associations with the following risk factors: diabetes, HbA1c, age, BMI, waist circumference, waist-hip ratio, total cholesterol, triglyceride, HDL cholesterol, C-reactive protein, homocysteine, blood pressure, heart rate, urine ACR, smoking status, alcohol abstinence. RESULTS: Fibrinogen generally increased with age in both genders; levels by age group were higher than those previously reported in other populations, including Native Americans. Fibrinogen was higher in those with than without diabetes (4.24 vs 3.56 g/L, p < 0.001). After adjusting for age and sex, the following were significantly associated with fibrinogen: BMI, waist, waist-hip ratio, systolic blood pressure, heart rate, fasting triglycerides, HDL cholesterol, HbA1c, CRP, ACR and alcohol abstinence. On multivariate regression (age and sex-adjusted) CRP and HbA1c were significant independent predictors of fibrinogen, explaining 27% of its variance; CRP alone explained 25% of fibrinogen variance. On factor analysis, both CRP and fibrinogen clustered with obesity in women (this factor explained 20% of variance); but in men, CRP clustered with obesity (factor explained 18% of variance) whilst fibrinogen clustered with HbA1c and urine ACR (factor explained 13% of variance). CONCLUSIONS: Fibrinogen is associated with traditional and non-traditional cardiovascular risk factors in this urban Indigenous cohort and may be a useful biomarker of CVD in this high-risk population. The apparent different associations of fibrinogen with cardiovascular disease risk markers in men and women should be explored further.


Subject(s)
Coronary Disease/blood , Coronary Disease/ethnology , Fibrinogen/analysis , Population Groups/statistics & numerical data , Urban Population/statistics & numerical data , Adolescent , Adult , Age Distribution , Age Factors , Aged , Alcohol Drinking/ethnology , Biomarkers/blood , Blood Pressure , Body Mass Index , C-Reactive Protein/analysis , Cohort Studies , Cross-Sectional Studies , Female , Glycated Hemoglobin/analysis , Heart Rate , Humans , Lipids/blood , Male , Middle Aged , Northern Territory/epidemiology , Principal Component Analysis , Regression Analysis , Risk Assessment , Risk Factors , Sex Distribution , Sex Factors , Smoking/ethnology , Up-Regulation , Waist Circumference/ethnology , Waist-Hip Ratio , Young Adult
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