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Recent advances in diabetes treatments and their perioperative implications.
Kuzulugil, D, Papeix, G, Luu, J, Kerridge, RK
Current opinion in anaesthesiology. 2019;(3):398-404
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Abstract
PURPOSE OF REVIEW The implications for perioperative management of new oral antihyperglycemic medications and new insulin treatment technologies are reviewed. RECENT FINDINGS The preoperative period represents an opportunity to optimize glycemic control and potentially to reduce adverse outcomes. There is now general consensus that the optimal blood glucose target for hospitalized patients is approximately 106-180 mg/dl (6-10 mmol/l). Recommendations for the management of antihyperglycemic medications vary among national guidelines. It may not be necessary to cease all antihyperglycemic agents prior to surgery. Sodium-glucose cotransporter 2 inhibitors (SGLT2i) are associated with higher rates of ketoacidosis especially in acutely unwell and postsurgical patients. The clinical practice implications of new insulin formulations, and new systems for insulin delivery, are not clear. The optimal perioperative management of these will vary depending on local institutional factors such as staff skills and existing clinical practices. Improved hospital care delivery standards, quality assurance, process improvements, consistency in clinical practice, and coordinated multidisciplinary teamwork should be a major focus for improving outcomes of perioperative patients with diabetes. SUMMARY Sulfonylureas and SGLT2i should be ceased before moderate or major surgery. Other oral antihyperglycemic therapies may be continued or ceased. Complex patients and/or new therapies require specialized multidisciplinary management.
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Closed-loop management of inpatient hyperglycaemia.
Boughton, CK, Hovorka, R
British journal of hospital medicine (London, England : 2005). 2019;(11):665-669
Abstract
The prevalence of diabetes in the inpatient setting is increasing, and suboptimal glucose control in hospital is associated with increased morbidity and mortality. Attaining the recommended glucose levels is challenging with standard insulin therapy. Hypoglycaemia and hyperglycaemia are common and diabetes management in hospital can be a considerable workload burden for health-care professionals. Fully automated insulin delivery (closed-loop) has been shown to be safe, and achieves superior glucose control than standard insulin therapy in the hospital, including in those patients receiving haemodialysis and enteral or parenteral nutrition where glucose control can be particularly challenging. Evidence that the improved glucose control achieved using closed-loop systems can translate into improved clinical outcomes for patients is key to support widespread adoption of this technology. The closed-loop approach has the potential to provide a paradigm shift in the management of inpatient diabetes, particularly in the most challenging inpatient populations, and may reduce staff work burden and the health-care costs associated with inpatient diabetes.
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Low birth weight, a risk factor for diseases in later life, is a surrogate of insulin resistance at birth.
Tian, M, Reichetzeder, C, Li, J, Hocher, B
Journal of hypertension. 2019;(11):2123-2134
Abstract
: Low birth weight (LBW) is associated with diseases in adulthood. The birthweight attributed risk is independent of confounding such as gestational age, sex of the newborn but also social factors. The birthweight attributed risk for diseases in later life holds for the whole spectrum of birthweight. This raises the question what pathophysiological principle is actually behind the association. In this review, we provide evidence that LBW is a surrogate of insulin resistance. Insulin resistance has been identified as a key factor leading to type 2 diabetes, cardiovascular disease as well as kidney diseases. We first provide evidence linking LBW to insulin resistance during intrauterine life. This might be caused by both genetic (genetic variations of genes controlling glucose homeostasis) and/or environmental factors (due to alterations of macronutrition and micronutrition of the mother during pregnancy, but also effects of paternal nutrition prior to conception) leading via epigenetic modifications to early life insulin resistance and alterations of intrauterine growth, as insulin is a growth factor in early life. LBW is rather a surrogate of insulin resistance in early life - either due to inborn genetic or environmental reasons - rather than a player on its own.
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Management of Preexisting Diabetes in Pregnancy: A Review.
Alexopoulos, AS, Blair, R, Peters, AL
JAMA. 2019;(18):1811-1819
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Abstract
IMPORTANCE The presence of preexisting type 1 or type 2 diabetes in pregnancy increases the risk of adverse maternal and neonatal outcomes, such as preeclampsia, cesarean delivery, preterm delivery, macrosomia, and congenital defects. Approximately 0.9% of the 4 million births in the United States annually are complicated by preexisting diabetes. OBSERVATIONS Women with diabetes have increased risk for adverse maternal and neonatal outcomes, and similar risks are present with type 1 and type 2 diabetes. Both forms of diabetes require similar intensity of diabetes care. Preconception planning is very important to avoid unintended pregnancies and to minimize risk of congenital defects. Hemoglobin A1c goals are less than 6.5% at conception and less than 6.0% during pregnancy. It is also critical to screen for and manage comorbid illnesses, such as retinopathy and nephropathy. Medications known to be unsafe in pregnancy, such as angiotensin-converting enzyme inhibitors and statins, should be discontinued. Women with obesity should be screened for obstructive sleep apnea, which is often undiagnosed and can result in poor outcomes. Blood pressure goals must be considered carefully because lower treatment thresholds may be required for women with nephropathy. During pregnancy, continuous glucose monitoring can improve glycemic control and neonatal outcomes in women with type 1 diabetes. Insulin is first-line therapy for all women with preexisting diabetes; injections and insulin pump therapy are both effective approaches. Rates of severe hypoglycemia are increased during pregnancy; therefore, glucagon should be available to the patient and close contacts should be trained in its use. Low-dose aspirin is recommended soon after 12 weeks' gestation to minimize the risk of preeclampsia. The importance of discussing long-acting reversible contraception before and after pregnancy, to allow for appropriate preconception planning, cannot be overstated. CONCLUSIONS AND RELEVANCE Preexisting diabetes in pregnancy is complex and is associated with significant maternal and neonatal risk. Optimization of glycemic control, medication regimens, and careful attention to comorbid conditions can help mitigate these risks and ensure quality diabetes care before, during, and after pregnancy.
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Highlights in allergic contact dermatitis 2018/2019.
Johansen, JD, Werfel, T
Current opinion in allergy and clinical immunology. 2019;(4):334-340
Abstract
PURPOSE OF REVIEW The purpose was to highlight recent findings especially concerning new and old allergens, trends, diagnosis and causes of contact allergy. RECENT FINDINGS Nickel is still the most frequent cause of contact allergy in women and piercings remain an important risk factor. Countries with a long history of regulation of contact allergens have the lowest level of contact allergy to nickel and chromium in Europe. Among the most frequent causes of fragrance contact allergy is terpenes, which are oxidized such as limonene, linalool and in some countries: geraniol. Methylisothiazolinone is still causing considerable problems due to hidden exposures. Acrylates are emerging allergens and 2-hydroxyethyl methacrylate has been included in the 2019 update of the baseline series, as many new cases are seen due to long-lasting nail polish based on acrylates and glue (isobornyl acrylate) in insulin pumps. More than 10 new allergens have been described, which need to be considered in diagnosing contact allergy. SUMMARY Allergic contact dermatitis is a frequent problem, it also constitutes a challenge to diagnose due to many potential contact allergens. The main culprit allergens remain the same, new significant causes are found especially within acrylates.
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Origins of Brain Insulin and Its Function.
Nakabeppu, Y
Advances in experimental medicine and biology. 2019;:1-11
Abstract
The brain or central nervous system (CNS) utilizes a vast amount of energy to sustain its basic functions, and most of the energy in the brain is derived from glucose. Whole-body energy and glucose homeostasis in the periphery of the human body are regulated by insulin, while the brain had been considered as an "insulin-insensitive" organ, because bulk brain glucose uptake is not affected by insulin in either rodents and humans. However, recently it has become clear that the actions of insulin are more widespread in the CNS and are a critical part of normal development, food intake, and energy balance, as well as plasticity throughout adulthood. Moreover, there are substantial evidence demonstrating that brain insulin is derived from pancreas, neurons, and astrocytes. In this chapter, I reviewed recent progress in roles of insulin in the brain, expression of insulin genes, and multiple origins of the brain insulin.
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[Treatment of acute diabetic metabolic crises in adults (Update 2019) : Hyperglycemic hyperosmolar state and ketoacidotic metabolic disorders].
Kaser, S, Sourij, H, Clodi, M, Schneeweiß, B, Laggner, AN, Luger, A
Wiener klinische Wochenschrift. 2019;(Suppl 1):196-199
Abstract
Diabetic ketoacidosis (DKA) and the hyperglycemic hyperosmolar state (HHS) represent potentially life-threatening situations in adults. Therefore, rapid comprehensive diagnostic and therapeutic measures with close monitoring of vital and laboratory parameters are required. The treatment of DKA and HHS is essentially the same and replacement of the mostly substantial fluid deficit with several liters of a physiological crystalloid solution is the first and most important step. Serum potassium concentrations need to be carefully monitored to guide its substitution. Regular insulin or rapid acting insulin analogues can be initially administered as an i.v. bolus followed by continuous infusion. Insulin should be switched to subcutaneous injections only after correction of the acidosis and stable glucose concentrations within an acceptable range.
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[Diabetes mellitus in childhood and adolescence (Update 2019)].
Rami-Merhar, B, Fröhlich-Reiterer, E, Hofer, SE
Wiener klinische Wochenschrift. 2019;(Suppl 1):85-90
Abstract
In contrast to adults, type 1 diabetes mellitus (T1D) is the most frequent form of diabetes in childhood and adolescence (>95%). After diagnosis the management of children and adolescents with T1D should take place in highly specialized pediatric units experienced in pediatric diabetology and not in private practices. The lifelong substitution of insulin is the cornerstone of treatment whereby modalities need to be individually adapted for patient age and the family routine. Diabetes education is essential in the management of patients with diabetes and their families and needs to be performed by a multidisciplinary team consisting of a pediatric endocrinologist, diabetes educator, dietitian, psychologist and social worker. The Austrian working group for pediatric endocrinology and diabetes (APEDÖ) recommends a metabolic goal of HbA1c ≤7.0%, International Federation for Clinical Chemistry (IFCC) <53 mmol/mol, for all pediatric age groups without the presence of severe hypoglycemia. Age-related physical, cognitive and psychosocial development, avoidance of acute diabetes-related complications (severe hypoglycemia, diabetic ketoacidosis) and prevention of diabetes-related late complications to ensure high quality of life are the main goals of diabetes treatment in all pediatric age groups.
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Pediatric stroke as the presenting symptom of new-onset type 1 diabetes mellitus without DKA: case report and literature review.
Bharill, SA, Hunter, JD, Walsh, ET, Crudo, DF, Constantacos, C
Journal of pediatric endocrinology & metabolism : JPEM. 2019;(9):1035-1037
Abstract
Background Stroke and other neurologic complications are rare in pediatric type 1 diabetes mellitus (T1DM) without severe diabetic ketoacidosis (DKA) or poor glycemic control. Case presentation A previously healthy, 10-year-old female presented with acute thalamic stroke, non-acidotic new T1DM diagnosis and negative hypercoagulopathy workup. She received routine insulin therapy and aspirin, and returned to neurologic baseline within a year without stroke recurrence. Conclusions The contribution of non-acidotic hyperglycemia to stroke risk is better described in adults. Even though unable to prove causality, this case should at least raise awareness of the possible association of pediatric new-onset diabetes and stroke for optimal outcomes.
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Clinical considerations when adding a sodium-glucose co-transporter-2 inhibitor to insulin therapy in patients with diabetes mellitus.
Tan, K, Chow, WS, Leung, J, Ho, A, Ozaki, R, Kam, G, Li, J, Choi, CH, Tsang, MW, Chan, N, et al
Hong Kong medical journal = Xianggang yi xue za zhi. 2019;(4):312-319