Items in AFP with MESH term: Diabetes Mellitus, Type 1

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Tight Control of Type 1 Diabetes: Recommendations for Patients - Article

ABSTRACT: Tight control of blood glucose levels and risk factors for cardiovascular disease (e.g., hypertension, hypercholesterolemia) can substantially reduce the incidence of microvascular and macrovascular complications from type 1 diabetes. Physicians play an important role in helping patients make essential lifestyle changes to reduce the risk of these complications. Key recommendations that family physicians can give patients to optimize their outcomes include: take control of daily decisions regarding your health, focus on preventing and controlling risk factors for cardiovascular disease, tightly control your blood glucose level, be cognizant of potentially inaccurate blood glucose test results, use physiologic insulin replacement regimens, and learn how to manage and prevent hypoglycemia.


Therapies for Diabetes: Pramlintide and Exenatide - Article

ABSTRACT: The American Diabetes Association currently recommends an A1C goal of less than 7 percent. However, many patients are unable to achieve this goal by using oral drug combinations or diet and exercise, leaving insulin as the only treatment option. In most cases, insulin is initiated later in therapy because of its inconvenience and adverse effects (e.g., weight gain, hypoglycemia, possible role in atherogenesis). Although insulin effectively helps patients attain glucose goals, the search for new agents continues. Two injectable agents, pramlintide and exenatide, were approved in 2005 for the treatment of diabetes. Pramlintide, indicated for use in patients with type 1 and 2 diabetes, is a synthetic analogue of human amylin that acts in conjunction with insulin to delay gastric emptying and inhibit the release of glucagon. Exenatide, a glucagon-like peptide-1 mimetic, has multiple mechanisms for lowering glucose levels, including the enhancement of insulin secretion, and is indicated for use in patients with type 2 diabetes. Clinical trials have shown that both agents reduce, by a statistically significant degree, A1C levels (0.3 to 0.7 percent more than placebo), fasting plasma glucose levels, and body weight (3 to 5 lb [1.4 to 2.3 kg]). No studies have examined their effects on diabetic complications, cardiovascular disease, or overall mortality. Pramlintide and exenatide may help make glycemic goals more attainable.


Diagnosis and Classification of Diabetes Mellitus: New Criteria - Article

ABSTRACT: New recommendations for the classification and diagnosis of diabetes mellitus include the preferred use of the terms "type 1" and "type 2" instead of "IDDM" and "NIDDM" to designate the two major types of diabetes mellitus; simplification of the diagnostic criteria for diabetes mellitus to two abnormal fasting plasma determinations; and a lower cutoff for fasting plasma glucose (126 mg per dL [7 mmol per L] or higher) to confirm the diagnosis of diabetes mellitus. These changes provide an easier and more reliable means of diagnosing persons at risk of complications from hyperglycemia. Currently, only one half of the people who have diabetes mellitus have been diagnosed. Screening for diabetes mellitus should begin at 45 years of age and should be repeated every three years in persons without risk factors, and should begin earlier and be repeated more often in those with risk factors. Risk factors include obesity, first-degree relatives with diabetes mellitus, hypertension, hypertriglyceridemia or previous evidence of impaired glucose homeostasis. Earlier detection of diabetes mellitus may lead to tighter control of blood glucose levels and a reduction in the severity of complications associated with this disease.


Educational Guidelines for Achieving Tight Control and Minimizing Complications of Type 1 Diabetes - Article

ABSTRACT: Tight glucose control with intensive therapy in patients with type 1 diabetes (formerly known as juvenile-onset or insulin-dependent diabetes) can delay the onset and slow the progression of retinopathy, nephropathy and neuropathy. Optimal blood glucose control is defined by a target glycosylated hemoglobin level of less than 7 percent, a preprandial glucose level of 80 to 120 mg per dL (4.4 to 6.7 mmol per L) and a bedtime glucose level of 100 to 140 mg per dL (5.6 to 7.8 mmol per L). This article provides guidelines to help family physicians teach patients with type 1 diabetes how to achieve tight glucose control to help minimize complications. Guidelines include maintaining blood glucose levels at near normal by taking doses of short-acting insulin throughout the day supplemented by a nighttime dose of intermediate-acting insulin, monitoring blood glucose levels frequently, following a prudent diet, exercising regularly and effectively managing hypoglycemia, as well as empowering patients to lead their control efforts and rigorously controlling other risk factors for cardiovascular disease. Support from physicians, family members and friends is crucial to the success of a regimen of tight glucose control.


Type 1 Diabetes Mellitus and the Use of Flexible Insulin Regimens - Article

ABSTRACT: The management of type 1 diabetes mellitus (formerly known as insulin-dependent diabetes) has changed dramatically over the past 30 years. In particular, new insulin strategies have improved the ability to maintain near-normal glycemia. Factors such as onset, peak and duration of action can influence the ability of a particular insulin regimen to help control glucose levels. Patient factors, including individual variations in insulin absorption, levels of exercise and types of meals consumed, also influence the effectiveness of an insulin regimen. Rapid-acting insulin lispro is an ideal mealtime insulin. The premeal dose of insulin lispro can be adjusted based on the content of the meal and the patient's blood glucose level. Intermediate-acting and long-acting insulins should not be given to account for the content of a specific meal. Long-acting insulin can be administered once daily at bedtime or, ideally, twice daily in addition to another type of insulin. Patients with type 1 diabetes typically require an insulin dosage of 0.5 to 1.0 unit per kg per day. Newly diagnosed patients may have lower initial requirements because of continued endogenous insulin production. Flexible insulin regimens are based on predetermined actions in response to self-monitoring of blood glucose levels and carbohydrate intake.


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Diabetes Mellitus: Diagnosis and Screening - Article

ABSTRACT: Based on etiology, diabetes is classified as type 1 diabetes mellitus, type 2 diabetes mellitus, latent autoimmune diabetes, maturity-onset diabetes of youth, and miscellaneous causes. The diagnosis is based on measurement of A1C level, fasting or random blood glucose level, or oral glucose tolerance testing. Although there are conflicting guidelines, most agree that patients with hypertension or hyperlipidemia should be screened for diabetes. Diabetes risk calculators have a high negative predictive value and help define patients who are unlikely to have diabetes. Tests that may help establish the type of diabetes or the continued need for insulin include those reflective of beta cell function, such as C peptide levels, and markers of immune-mediated beta cell destruction (e.g., autoantibodies to islet cells, insulin, glutamic acid decarboxylase, tyrosine phosphatase [IA-2a and IA-2ß]). Antibody testing is limited by availability, cost, and predictive value.


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