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Query: UMLS:C0011854 (type 1 diabetes)
 20,749 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 3 year old girl was admitted to hospital in an emaciated condition and with polydipsia in October 1974. Following the diagnosis of diabetes mellitus, she received treatment with insulin. On the first admission, a systolic murmur was noted at the apex of the heart. In 1981, the murmur was found to be continuous with a systolic click, and echocardiography demonstrated a mitral valve prolapse. In 1982, electrocardiography revealed left ventricular hypertrophy, and the patient's X-ray showed vertebral kyphoscoliosis. Ophthalmological examination revealed slightly impaired visual acuity and a mild case of cataracts in 1986. The patient grew to be tall and thin with arachnodactylia of the hands, fingers, feet and toes. These symptoms and findings were compatible with Marfan syndrome, although the ophthalmological findings are not specific for this disease. This patient is the first case in Japan of Marfan syndrome associated with insulin-dependent diabetes mellitus, although the relation between Marfan syndrome and IDDM remains unclear.
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PMID:Report of a Japanese girl with Marfan syndrome associated with insulin-dependent diabetes mellitus. 144 30

Insulin-dependent diabetes mellitus is common in Tunisia. Eighty-six pediatric cases managed at the diabetes clinic of a department of pediatrics in Tunis from 1979 through 1989 were studied. Relevant clinical and biological findings were abstracted from case-records. Admissions of patients with diabetes mellitus accounted for approximately 0.44% of admissions to the pediatric ward during the study period. Mean age of patients was 7 years. Sex ratio was 0.89. Polyuria with polydipsia and ketoacidosis were the two most common presenting manifestations. Mean blood glucose level at diagnosis was 22.44 mmol/l. Rate of consanguinity was 48%. HLA typing studies demonstrated a high prevalence of DR3 and DR4 alleles and especially of simultaneous expression of both these alleles. Several factors are incriminated in the development of childhood insulin-dependent diabetes mellitus.
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PMID:[An analytic study of cases of childhood diabetes in a pediatric department in Tunis]. 175 Jul 45

An 11-year-old boy developed influenza with glucosuria. An oral glucose test performed during the infection revealed values within the diabetic range. Type 1 diabetes was wrongly diagnosed and insulin therapy initiated. A 19-year-old overweight adolescent developed pneumonia with hyperglycemia but without polydipsia or polyuria. Further investigation revealed incipient type 1 diabetes. As insulin therapy was not initiated the diabetes rapidly decompensated. It is recommended that further investigations be conducted in patients with hyperglycemia following infections.
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PMID:[Diabetes or hyperglycemia?]. 335 3

The Wolfram, or DIDMOAD, syndrome consists of diabetes insipidus, diabetes mellitus, optic atrophy, and deafness. Diabetes mellitus usually occurs as the first manifestation of this syndrome, followed by the development of optic atrophy, neurosensory hearing loss, and finally diabetes insipidus. We report on four cases with a review of the literature. The diabetes mellitus occurring in these patients is clinically indistinguishable from classic type I diabetes mellitus. Two of three patients continue to have measurable C-peptide secretion 8 yr after onset of diabetes. Two of three patients with Wolfram syndrome had the HLA-DR2 antigen. Combining our cases with those described in the literature, 7 of 11 patients have the HLA-DR2 antigen. The preponderance of the HLA-DR2 antigen in the Wolfram syndrome is different from classic type I diabetes. This is further evidence of the genetic heterogeneity of diabetes mellitus. Although the Wolfram syndrome is rare, it should be considered in diabetic patients with unexplained optic atrophy and hearing loss or with polyuria and polydipsia in the presence of adequate blood sugar control.
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PMID:Wolfram syndrome: report of four new cases and a review of literature. 346 31

The case is reported of a 32-year old women of Dutch origin who presented with diabetes insipidus, diabetes mellitus, atrophy of the optic nerve, and dilatation of the urinary tract, the combination known as "DIDMOAD syndrome". Unusual features of this case were regional atrophy of the cerebellum and the pons, and hydrocephalus internus which were associated with alterations of personality and mental function. The clinical symptoms of the syndrome simulated "essential" type 1 diabetes with advanced complications such as retinopathy and autonomous and peripheral neuropathy. The presence of diabetes insipidus with polyuria and polydipsia was not recognized for years because the symptoms were ascribed to diabetes mellitus. The neurologic and psychological symptoms in this patient suggest a more generalized defect of the central nervous system in this syndrome than has been observed previously. Recognition of the condition is of importance because it requires specific therapeutic measures (e.g. for diabetes insipidus), and because of the genetic and prognostic implications.
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PMID:[DIDMOAD syndrome (diabetes insipidus, diabetes mellitus, optic atrophy, deafness) with cerebello-pontine atrophy]. 707 80

We have evaluated the suitability of different rat models for the study of effects of antihypertensives on cardiovascular and metabolic complications of diabetes mellitus and hypertension. IDDM was induced in Wistar and spontaneously hypertensive (SH) rats by single tail vein injection of STZ (45 mg/kg, i.v.). Neonatal STZ-diabetes (nSTZ) was induced by administering STZ, 70 mg/kg (i.p.) to 5 day old Wistar rat pups. DOCA-hypertension was induced in Wistar and STZ-diabetic rats using deoxycorticosterone acetate (DOCA, 5 mg/kg, s.c.) and NaCl (2%) in drinking water. Intravenous injection of STZ produced cardinal signs of diabetes mellitus including hyperglycemia, loss of body weight, polyphagia and polydipsia. STZ-diabetic rats also showed hyperlipidemia and hypoinsulinemia. STZ-treated rats developed hypertension and bradycardia. nSTZ rats were found to have mild hyperglycemia and were hypertensive and hyperinsulinemic. The OGTT and ITT revealed that nSTZ rats are insulin resistant. SH rats were also found to be hyperinsulinemic and hypertensive. Although, these rats were found to be insulin resistant, they did not demonstrate hyperglycemia. DOCA-treated STZ-diabetic rats were found to have milder hyperglycemia when compared to STZ-diabetic rats not treated with DOCA. Although, DOCA treatment was not found to alter serum levels of glucose and insulin, results of OGTT revealed enhanced glucose disposal in DOCA-treated Wistar rats, suggesting that DOCA probably produces some effect on glucose homeostasis in rats. The present data also suggest that STZ-diabetic rat may be considered a suitable model for IDDM. On the other hand, nSTZ and SH rats were hyperinsulinemic and insulin resistant and may be used as models to study insulin sensitivity. DOCA-hypertensive rat may not be a suitable model for studying the effects of various drug interventions on glucose homeostasis and insulin sensitivity as DOCA itself appears to influence these factors.
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PMID:Comparative evaluation of different rat models with co-existing diabetes-mellitus and hypertension. 1084 25

The prevalence of thyroid disease is increased in Down's syndrome. Compared with adults, thyroid dysfunction in children with Down's syndrome is less frequently reported. Insulin dependent diabetes mellitus is also uncommon in Down's syndrome children. Coexistent insulin dependent diabetes mellitus and hyperthyroidism in Down's syndrome was only reported once previously in literature. We report an 8-year-old girl with Down's syndrome that had polyuria, polydipsia, abdominal pain and urinary incontinence one and half a month prior to admission. Physical examination revealed typical face of Mongolism and tachycardia. Thyroid glands were not palpable. Laboratory data revealed diabetic ketoacidosis with plasma glucose: 860 mg/dl. She had thyroid hyperfunction with TSH: < 0.1 microU/ml, T3: 219.7 ng/dl, T4: 15 micrograms/dl. Thyroid autoimmune antibodies were also increased. There was markedly increased radiotracer uptake in the bilateral thyroid glands in Tc-99 thyroid scan. We suggest that Down's syndrome children with insulin dependent diabetes mellitus should be evaluated carefully for thyroid function and autoimmune disease.
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PMID:Coexistent insulin dependent diabetes mellitus and hyperthyroidism in a patient with Down's syndrome. 1093 53

The clinical presentation of type 1 diabetes usually involves symptoms such as polyuria and polydipsia. However, investigators in the Diabetes Prevention Trial of Type 1 Diabetes (DPT-1) have detected a group of subjects with type 1 diabetes who have a different phenotype. These subjects are asymptomatic, have normal (<6.1 mmol/l) (group A) or impaired (6.1- <7.0 mmol/l) (group B) fasting glucose, but have 2-h glucose values >11.1 mmol/l on their oral glucose tolerance tests (OGTT). Of the 585 OGTTs performed on islet cell antibody (ICA)-positive relatives with insulin autoantibodies (IAA) or low first-phase insulin response (FPIR), normal glucose tolerance (NGT) was found in 427 subjects; impaired glucose tolerance (IGT) was found in 87 subjects, and diabetes was found by 2-h OGTT criteria alone in 61 subjects. Despite marked differences in 2-h glucose values (NGT 5.8 +/- 1.1 mmol/l, IGT 8.9 +/- 0.9 mmol/l, and group A 13.5 +/- 2.5 mmol/l), there were no significant differences in fasting glucose values among NGT (4.8 +/- 0.5 mmol/l), IGT (5.03 +/- 0.5 mmol/l), and group A (4.99 +/- 0.7 mmol/l) categories. Mean FPIR was higher in subjects with NGT compared with subjects with IGT and subjects diagnosed by 2-h OGTT criteria alone. However, the correlation between FPIR and 2-h glucose value was low (r2 = 0.114). Multivariate analysis demonstrated that additional independent variables provide smaller contributions to the 2-h glucose value. In conclusion, there are asymptomatic type 1 diabetic subjects whose diabetes was diagnosed by the 2-h criteria on OGTT alone. Despite the importance of beta-cell dysfunction in the pathogenesis of type I diabetes, factors other than impaired FPIR must also contribute to postprandial glucose tolerance in these subjects.
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PMID:Type I diabetes manifested solely by 2-h oral glucose tolerance test criteria. 1127 62

We describe a patient with type I diabetes, clinical findings consistent with velocardiofacial syndrome, and a chromosome 22q11.2 deletion. A nine-year-old boy presented with a history of polyuria, polydipsia, weight loss, hyperglycemia, ketosis, serum insulin antibodies, and a low C-peptide level. He had distinctive facial features, learning disabilities, short stature, and a history of glottic web and clubfoot. Although a normal karyotype was obtained, fluorescence in situ hybridization (FISH) revealed a submicroscopic deletion in the DiGeorge/velocardiofacial syndrome critical region at 22q11.2. His maternal half-brother also carried a chromosome 22q11.2 deletion. His mother has similar facial features and hypoparathyroidism. Autoimmune problems associated with chromosome 22q11.2 deletions have been reported. We suggest that the defects in immune regulation due to T-cell deficiency in chromosome 22q11.2 deletion syndrome may predispose to autoimmune disorders, including type I diabetes mellitus.
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PMID:Type I diabetes mellitus in a patient with chromosome 22q11.2 deletion syndrome. 1134 31

This study was undertaken to determine which type 1 diabetes-associated autoantibodies and what clinical characteristics are most useful to identify patients with type 1(1/2) diabetes. We studied 125 patients, recently diagnosed clinically with type 2 diabetes for the presence of islet cell antibodies (ICA), insulin autoantibodies (IAA), antibodies to glutamic acid decarboxylase(GADAb), and IA-2a (IA-2Ab). Patients with a diagnosis of type 2 diabetes who met all of the following criteria at diagnosis were studied: age > or = 30 years, no history of ketonuria or ketoacidosis, and not requiring insulin treatment. Thirty-six patients (29%) were positive for at least 1 antibody. Thirty-two (26%) were ICA positive and 20 (16%) GADAb positive. Insulin autoantibodies and IA-2Ab occurred less frequently in 2 (1.6%) and 8 (6.4%) patients, respectively. There was no significant difference in the ages at diagnosis between the Ab(+) and Ab(-) patients, age in years (range) 47.2 (32 to 64) versus 51.2 (31 to 77), respectively, P =.06. Body mass index (BMI) was different in the 2 groups, with Ab(+) patients being less obese, BMI (range) 28.3 kg/m(2) (17.6 to 54.9) versus 32.0 kg/m(2) (19.2 to 68.8), respectively, P =.01. Clinical presentation of diabetes was more commonly symptomatic with polyuria and polydipsia in Ab(+) patients, while in Ab(-) patients, diagnosis was more often incidental, P =.002. However, more than 95% of patients overlapped in both age and BMI irrespective of antibody status. Similarly, 42% of Ab(+) patients had their diabetes diagnosed incidentally, while 29% of Ab(-) patients presented with polyuria and polydipsia. We therefore conclude that screening with antibodies, mainly ICA and GAD, but not age, BMI, or clinical presentation should be used to identify type 1(1/2) diabetes.
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PMID:Islet cell antibodies and glutamic acid decarboxylase antibodies, but not the clinical phenotype, help to identify type 1(1/2) diabetes in patients presenting with type 2 diabetes. 1155 30


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