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Query: UMLS:C0011854 (type 1 diabetes)
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Episodes of severe hypoglycaemia, resulting in coma and/or convulsions, were documented in an unselected, population-based group of 376 children and adolescents with Type 1 diabetes mellitus (Type 1 DM) treated at the Aurora Hospital, City of Helsinki. A prospective study in 1994-95 yielded 493 patient-years and a retrospective study in 1990-93, 904 patient-years of data. Of these patients, 77-85% received insulin in three or more daily doses. During 1990-95, 43 patients had a total of 48 severe hypoglycaemic episodes. For each episode (n = 48), one control Type 1 DM patient who had never experienced any severe hypoglycaemia, matched by age, diabetes duration and puberty, was sought from the study population. Incidence of severe hypoglycaemia was 3.1/100 patients years prospectively and 3.6/100 retrospectively. At the time of the episode, median age was 13.3 (range 2.2-21) years, and median diabetes duration 6.1 (0.5-14.6) years. Rates were similar in different age groups (< 6, 6-12.9 and > or = 13 years). A potential explanation for the hypoglycaemia was found in 79% of the episodes. Insulin dose was higher (p = 0.04) and HbA1c lower (p = 0.005) in patients with severe hypoglycaemia than in controls. In conclusion, multiple-dose insulin therapy in young patients with Type 1 DM can be associated with a low rate of severe hypoglycaemia. The majority of such episodes seem to be preventable.
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PMID:Severe hypoglycaemia in children and adolescents during multiple-dose insulin therapy. 970 75

The annual pilgrimage to Makkah (Mecca), Hajj, is a very stressful endeavour and requires strenuous physical effort, especially for the diabetic, the elderly and persons with other chronic illnesses. To identify the complications and to assess the needs of the Omani diabetics during Hajj (DOH), a special diabetes clinic was established in the camping site of Omani pilgrims (Hajjees) in Mina, where all Omani Hajjees convene for three days. The socio-demographic characteristics, the diabetes profile and the knowledge about complications of diabetes of all DOH were ascertained; their random blood sugar (RBS) was tested. Of 10,800 Omani who performed the Hajj in 1996, the 169 Hajjees with diabetes mellitus (prevalence rate 16 per 1000) included four per cent insulin dependent (IDDM), seven per cent on dietary control, and 89% on oral hypoglycaemic agents. Almost all DOH (98%) were medically examined before their departure for Hajj. All Hajjees with IDDM and 96% on oral hypoglycaemic agents brought their medicines with them. During the Hajj period, 2.4% of DOH had RBS < 75 mg/dl, 14% 75-110 mg/dl, and 49% were hyperglycaemic (RBS > 200 mg/dL). About half of the DOH (48%) knew the clinical presentation of hyperglycaemia, a fourth (24%) about symptoms of hypoglycaemia. Only 9.5% were trained to test themselves for blood sugar. The median age of DOH was 54 years (inter-quartile range 50-62). Some 7.5% females and 4.9% of males were obese (body mass index > 30). Forty seven (28%) of the DOH had other coronary heart diseases, hypertension or both. DOH moved between Holy places (four journeys; 5-15 km long) on foot (40%), by car or bus (31%), or both (29%). All DOH except one were not wearing protective shoes, 70% did not have identification wrist bands that show their diabetic status and regimen for treatment. Four per cent lost their way during Hajj, four per cent suffered from heat exhaustion, three per cent had cut wounds, 1.2% had pneumonia, and two per cent went into coma. There is a need for a special health education programme and for special services for the diabetics during Hajj. Hajjees should learn about symptoms and signs of hypoglycaemia, were protective shoes and identifying wrist bands. Specialised services for the diabetics would alleviate a lot of the stress during Hajj among the diabetics.
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PMID:Profile of diabetic Omani pilgrims to Mecca. 974 36

We report the case of a 49-yr-old man affected by coma and hypoglycemia unawareness following repetitive hypoglycemic episodes due to dumping syndrome. The dumping syndrome, which was due to partial gastrectomy and vagotomy performed for recurrent peptic ulcer, was responsible for reactive hyperinsulinemia as demonstrated by an oral glucose tolerance test. While the glucose counterregulatory hormones were all normally sensitive to specific stimulation tests, insulin-induced hypoglycemia failed to induce an adequate counterregulatory response, causing no response in plasma norepinephrine, a slight and short increase in plasma cortisol, ACTH and glucagon and an insufficient increase in plasma epinephrine and GH. This case demonstrates that hypoglycemia unawareness has to be taken into account not only in patients affected by IDDM or insulinoma but also in any case of reactive hypoglycemia.
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PMID:Hypoglycemia unawareness in a patient with dumping syndrome: report of a case. 976 63

Intensive insulin treatment of IDDM is associated with increased frequency of hypoglycemic coma. The extent of possible cerebral sequelae after recovery is still unknown. We studied the impact of previous hypoglycemic coma on neurophysiological measures of cognitive brain function in 108 patients with adult-onset IDDM receiving intensive insulin treatment. In the study, 55 IDDM patients (age 38 +/- 14 years, mean +/- SD) who had a history of > or =1 (median 3, range 1-35) comatose hypoglycemic event were compared with 53 IDDM patients (age 34 +/- 12 years) with no history of hypoglycemic events using P300 event-related potentials and psychometric tests (the Mini-Mental State Exam and trailmaking test, part A). Findings on these patients were compared with those from 108 matched healthy control subjects. No difference was observed in P300 latencies and psychometric tests between patients with and without a history of hypoglycemic coma (P300 latency, 346 vs. 342 ms; trailmaking test, 31 vs. 30 s; Mini-Mental State Exam, 29.5 vs. 29.6; NS). In diabetic patients, however, P300 latencies were delayed compared with those of healthy control subjects (344 vs. 332 ms; P < 0.001) and were correlated to diabetes duration but not to total hypoglycemic episodes. Scores on the Mini-Mental State Exam (29.5 vs. 29.6; P = 0.59) and trailmaking test (31 vs. 28 s; P = 0.10) were not different between patients and control subjects. In conclusion, previous episodes of hypoglycemic coma are not associated with permanent impairment of cognitive brain function in patients with adult-onset IDDM receiving intensive insulin treatment compared with patients without such episodes. Cognitive brain function, however, is subclinically impaired in relation to duration of diabetes.
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PMID:Previous episodes of hypoglycemic coma are not associated with permanent cognitive brain dysfunction in IDDM patients on intensive insulin treatment. 983 23

A 21-year-old female with Type 1 diabetes mellitus (DM) presented in ketoacidosis. She received intravenous normal saline and insulin at 6 U/h and 1.26% sodium bicarbonate solution. After the blood glucose had fallen to 9.5 mmol/l, the saline infusion was changed to 5% glucose solution and the insulin infusion rate to 2 to 3 U/h. The next day the patient became more drowsy (Glasgow coma scale 13/15, later falling to 4/15). Computed tomography (CT) scan suggested cerebral oedema and the patient was treated with dexamethasone and mannitol. She remained critically ill for 48 h, eventually making a full recovery. Insulin was given at rates of 8 to 14 U/h, with 10% or 20% glucose infusion to maintain the blood glucose above 5 mmol/l; despite this it was not until the fifth day that her serum bicarbonate became normal. Textbooks usually advise starting insulin at 6 U/h and reducing the infusion rate to 1-4 U/h when the blood glucose falls below a certain level. In this case, even with high rates of insulin infusion, it took 5 days before the patient's serum bicarbonate returned to normal. Thus, in severe diabetic ketoacidosis (DKA), protocols should advise that the insulin infusion be continued at high dose (4 to 6 U/h or more), with appropriate glucose infusion to prevent hypoglycaemia, until the serum bicarbonate is normal or nearly so.
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PMID:Severe diabetic ketoacidosis: the need for large doses of insulin. 1082 2

Quality management has been applied in recent years to improve the care of children and adolescents with insulin dependent diabetes mellitus (IDDM). In 1995 the German Paediatric Diabetology Working Group published standards on quality control, in which relevant parameters on structure, process and outcome of care were defined. A computer software programme-developed at the University of Ulm under the auspices of the German Secretary of Health-has been used for quality control with central anonymous analysis in a nationwide survey. Data from 23 paediatric centres with 2407 patients seen between January and June 1996 were evaluated. The results showed an admission rate to hospital of 23.8 per 100 patient-years with an average duration of in-patient stay of 2.74 days/year. 80% of the patients were treated with an intensive insulin therapy regimen comprising three or more injections daily. The overall metabolic control was reasonably good with a mean HbA1c value of 7.8%. The rate of severe hypoglycaemia complicated by coma and/or convulsions was six per 100 patient-years and of ketoacidosis one per 100 patient-years. Unfortunately screening for diabetic retinopathy and nephropathy was not carried out consistently. The incidence was 44% and 33% respectively.
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PMID:Quality of paediatric IDDM care in Germany: a multicentre analysis. German Paediatric Diabetology Group. 1039 46

Concern has been expressed about the welfare of young adults with Type 1 diabetes mellitus who leave home to attend university or college for tertiary education. This has been highlighted by the local experience in Edinburgh of two male students with Type 1 diabetes, both of whom died from metabolic complications of diabetes during their first term at universities distant from their homes. One student died following the development of cerebral oedema secondary to diabetic ketoacidosis, which was probably precipitated by prolonged coma after an episode of severe hypoglycaemia. Another student, who was found 'dead in bed', had a history of previous severe hypoglycaemia. At a Fatal Accident Inquiry in Edinburgh, held following the death of the first student, recommendations were made to improve the care and personal safety of students with diabetes living in university accommodation. Despite the report being circulated to all Scottish universities, the second student died within three years of the inquiry. Further efforts to protect the welfare of students with Type 1 diabetes who are attending centres for tertiary education away from their home environment may require the more active participation by diabetes healthcare professionals.
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PMID:The care of students with insulin-treated diabetes mellitus living in university accommodation: scope for improvement? 1069 Nov 63

To ascertain if significant hypoglycaemic episodes can be avoided or managed more appropriately in children with insulin dependent diabetes mellitus (IDDM). A retrospective chart audit was performed on all children with IDDM admitted with hypoglycaemia between 1.1.90 and 31.8.97. Of the 21 children studied, 9 presented with seizures and 1 with coma. In 9 the hypoglycaemia was unexplained. Only 6 parents used glucagon. Five children were readmitted during the review with a further hypoglycaemic episode. Four of these had their first admission significantly sooner after diagnosis than those without recurrent episodes. Hypoglycaemic episodes are often unexplained and are unlikely to be completely avoidable. Improved support services during intercurrent illness may reduce the frequency of some hypoglycaemic episodes and increased use of glucagon at home may reduce the severity of some. Children who have their first hypoglycaemic episode within one year of diagnosis are at risk of having recurrent episodes.
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PMID:Hypoglycaemic episodes in children with insulin dependent diabetes mellitus--can the frequency or severity be reduced? 1132 Nov 69

In the last two years we discovered that three of our patients with type 1 diabetes mellitus (0.8%) suffered an unexpected worsening in their glycemic control due to a reduction of their insulin dosage in favour of some "alternative" diabetes treatments using herbs, vitamins, fantastic diets and trace elements prescribed by non-medical practitioners. The first patient, a 6.6 year old boy, was admitted to hospital because of a severe ketoacidosis with first degree coma as a result of his parents having reduced his insulin dosage by 77% and replacing the insulin with an ayurvedic herbal preparation (Bardana Actium Lapp). The second patient, a 10.4 year old boy, was admitted to hospital after his teachers noticed that he appeared tired, thinner and polyuric. During hospital admission for mild ketoacidosis the mother, reluctant at first, finally confessed that her son was under the care of a "clinical ecologist". Having identified several food allergies this "clinical ecologist" had placed the child on a spartan diet of bread, water and salt, and had reduced his insulin dosage by 68%. The third patient, a 21 year old male, upon transfer to the Adult Diabetic Center, reported that he had been under the care of a pranotherapist for several years. The pranotherapist had prescribed a cellular nutrition preparation (called "Madonna drops"), a meditation program and also a 50% reduction in his insulin dosage. During this period his HbAlc values had increased from 6.4% to 12%. Current orthodox diabetes treatments are considered unsatisfactory by many people and it is thus not surprising that they search for "miracle" cures. It is important, however, that hospital staff do not ridicule the patients or their parents for trying these alternative therapies. Nevertheless, it would be useful for staff to discuss in advance these "therapies" with patients, highlighting their ineffectiveness and strongly discouraging cures that call for a reduction or elimination of the insulin treatment.
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PMID:[Diabetes and alternative medicine: diabetic patients experiences with Ayur-Ved, "clinical ecology" and "cellular nutrition" methods]. 1198 32

Diabetic ketoacidosis is the most serious complication at the onset of type 1 diabetes mellitus (DM). In Germany, population-based data on its occurrence at DM onset are not yet available. In a population-based study in a North Rhine-Westphalian region, Germany, during 1993-95, data on the clinical presentation at type 1 DM onset were obtained from hospital records for 262 patients under 15 years of age (81% of eligible patients). Information on social status was obtained from 148 families by a standardized questionnaire. The most frequently reported symptoms were polyuria (93.9%), fatigue (64.2%) and weight loss (59.4%). Mean duration of symptoms was 3.5 weeks. At diagnosis 18.3% of the children presented impaired consciousness and 3.5% coma. Mean glucose level was 25.1 mmol/l. Severe ketoacidosis (pH < or = 7.2) was present in 16.0% of the children. Metabolic derangement was more severe in children under 5 years. Low social status was significantly associated with increased risk of severe ketoacidosis (OR = 3.54, 95% CI: 1.10-11.35). Frequency of ketoacidosis at DM onset needs to be reduced through increased public and medical awareness of the presenting characteristics of childhood DM.
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PMID:Clinical characteristics and predictors of severe ketoacidosis at onset of type 1 diabetes mellitus in children in a North Rhine-Westphalian region, Germany. 1238 11


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