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In a follow-up study of patients with type 2 diabetes, mortality benefits in those originally assigned to antihypertensive therapy were evident at the end of follow-up, but in-trial glucose differences did not result in long-term benefits in mortality or macrovascular events. Post-trial follow-up studies involving patients with diabetes have previously shown long-term beneficial effects of earlier periods of intensive glucose control, but not blood-pressure lowering, on a range of outcomes, including mortality and macrovascular events. 1 – 3 The Epidemiology of Diabetes Interventions and Complications (EDIC) study, an extension of the Diabetes Control and Complications Trial (DCCT) involving young patients with type 1 diabetes and no history of cardiovascular disease, hypertension, or hypercholesterolemia, showed a lower risk of macrovascular events, as well as a sustained benefit with respect to microvascular complications, beyond the period of intensive glucose control. 1 The post-intervention follow-up of the . . .

To assess whether intermittent real-time continuous glucose monitoring (CGM) improves glycemic control and pregnancy outcome in unselected women with pregestational diabetes. A total of 123 women with type 1 diabetes and 31 women with type 2 diabetes were randomized to use real-time CGM for 6 days at 8, 12, 21, 27, and 33 weeks in addition to routine care, including self-monitored plasma glucose seven times daily, or routine care only. To optimize glycemic control, real-time CGM readings were evaluated by a diabetes caregiver. HbA1c, self-monitored plasma glucose, severe hypoglycemia, and pregnancy outcomes were recorded, with large-for-gestational-age infants as the primary outcome. Women assigned to real-time CGM (n = 79) had baseline HbA1c similar to that of women in the control arm (n = 75) (median 6.6 [range 5.3-10.0] vs. 6.8% [5.3-10.7]; P = 0.67) (49 [34-86] vs. 51 mmol/mol [34-93]). Forty-nine (64%) women used real-time CGM per protocol. At 33 weeks, HbA1c (6.1 [5.1-7.8] vs. 6.1% [4.8-8.2]; P = 0.39) (43 [32-62] vs. 43 mmol/mol [29-66]) and self-monitored plasma glucose (6.2 [4.7-7.9] vs. 6.2 mmol/L [4.9-7.9]; P = 0.64) were comparable regardless of real-time CGM use, and a similar fraction of women had experienced severe hypoglycemia (16 vs. 16%; P = 0.91). The prevalence of large-for-gestational-age infants (45 vs. 34%; P = 0.19) and other perinatal outcomes were comparable between the arms. In this randomized trial, intermittent use of real-time CGM in pregnancy, in addition to self-monitored plasma glucose seven times daily, did not improve glycemic control or pregnancy outcome in women with pregestational diabetes.

In this study, patients with type 1 diabetes and a glycated hemoglobin level of 6.9% or lower (≤52 mmol per mole) were found to have a risk of death from any cause or from cardiovascular causes that was twice as high as that for matched controls. Type 1 diabetes is associated with a substantially increased risk of premature death as compared with that in the general population. 1 – 8 Among persons with diabetes who are younger than 30 years of age, excess mortality is largely explained by acute complications of diabetes, including diabetic ketoacidosis and hypoglycemia 7 – 9 ; cardiovascular disease is the main cause of death later in life. 7 – 9 Improving glycemic control in patients with type 1 diabetes substantially reduces their risk of microvascular complications and cardiovascular disease. 10 , 11 Accordingly, diabetes treatment guidelines emphasize good glycemic control, 12 – 15 which is indicated by the glycated hemoglobin level, . . .

In two studies, a wearable, automated, bihormonal, “bionic” pancreas used in adults and adolescents with type 1 diabetes mellitus in unrestricted outpatient settings improved mean glycemic control, with fewer hypoglycemic episodes, as compared with usual care. Maintaining glycemic values as close to the nondiabetic range as possible is effective in preventing or delaying long-term complications of type 1 diabetes mellitus, 1 – 3 but achieving near normoglycemia is challenging. Most patients are unable to meet glycemic targets 4 – 6 and have frequent episodes of hypoglycemia, which can be life-threatening. 7 – 11 The availability of accurate continuous glucose monitoring has made feasible the development of bionic endocrine pancreatic systems that are designed to improve glycemic control and reduce the burden on patients. Tests of glycemic regulation lasting 1 day or more with the use of such systems have been limited to . . .

At 3 years of follow-up, among obese patients with uncontrolled type 2 diabetes who were randomly assigned to receive intensive medical therapy with or without bariatric surgery, significantly more patients in the surgery groups achieved glycemic control. Bariatric surgery has recently emerged as a potentially useful treatment for type 2 diabetes mellitus. 1 Observational studies 2 – 5 and randomized, controlled trials 6 – 10 have shown that procedures including Roux-en-Y gastric bypass, sleeve gastrectomy, gastric banding, and biliopancreatic diversion significantly improve glycemic control and favorably affect cardiovascular risk factors. In the Surgical Treatment and Medications Potentially Eradicate Diabetes Efficiently (STAMPEDE) trial, we found that 1 year after randomization, gastric bypass and sleeve gastrectomy were superior to intensive medical therapy alone in achieving glycemic control and reducing cardiovascular risk factors while decreasing dependency on pharmacotherapy for diabetes management. 7 Although bariatric surgery yields . . .

OBJECTIVE: To report frequencies of gestational diabetes mellitus (GDM) among the 15 centers that participated in the Hyperglycemia and Adverse Pregnancy Outcome (HAPO) Study using the new International Association of the Diabetes and Pregnancy Study Groups (IADPSG) criteria. RESEARCH DESIGN AND METHODS: All participants underwent a 75-g oral glucose tolerance test between 24 and 32 weeks’ gestation. GDM was retrospectively classified using the IADPSG criteria (one or more fasting, 1-h, or 2-h plasma glucose concentrations equal to or greater than threshold values of 5.1, 10.0, or 8.5 mmol/L, respectively). RESULTS: Overall frequency of GDM was 17.8% (range 9.3–25.5%). There was substantial center-to-center variation in which glucose measures met diagnostic thresholds. CONCLUSIONS: Although the new diagnostic criteria for GDM apply globally, center-to-center differences occur in GDM frequency and relative diagnostic importance of fasting, 1-h, and 2-h glucose levels. This may impact strategies used for the diagnosis of GDM.

The epidemic of type 2 diabetes is clearly linked to increasing rates of overweight and obesity in the U.S. population, but projections by the Centers for Disease Control and Prevention (CDC) suggest that even if diabetes incidence rates level off, the prevalence of diabetes will double in the next 20 years, in part due to the aging of the population (6). [...]older adults with diabetes may either have incident disease (diagnosed after age 65 years) or long-standing diabetes with onset in middle age or earlier.

Diabetes is a much more heterogeneous disease than the present subdivision into types 1 and 2 assumes; type 1 and type 2 diabetes probably represent extremes on a range of diabetic disorders. Both type 1 and type 2 diabetes seem to result from a collision between genes and environment. Although genetic predisposition establishes susceptibility, rapid changes in the environment (ie, lifestyle factors) are the most probable explanation for the increase in incidence of both forms of diabetes. Many patients have genetic predispositions to both forms of diabetes, resulting in hybrid forms of diabetes (eg, latent autoimmune diabetes in adults). Obesity is a strong modifier of diabetes risk, and can account for not only a large proportion of the epidemic of type 2 diabetes in Asia but also the ever-increasing number of adolescents with type 2 diabetes. With improved characterisation of patients with diabetes, the range of diabetic subgroups will become even more diverse in the future.

In this study of treatments for recent-onset type 2 diabetes, metformin monotherapy was associated with durable glycemic control in about 50% of patients. The addition of rosiglitazone, but not intensive lifestyle intervention, to metformin was superior to metformin alone. Increases in childhood obesity have been accompanied by an increased incidence of type 2 diabetes in youth. 1 , 2 Because the risk of microvascular and macrovascular complications in adults increases with both the duration of diabetes and lack of glycemic control, 3 , 4 it is imperative to achieve and sustain metabolic control in youth. Addressing the physiological and psychological changes that normally occur during adolescence requires a high level of family involvement and makes the achievement of stringent treatment goals especially difficult in the case of adolescents with diabetes. 5 , 6 These challenges are heightened in disadvantaged populations, which are over-represented among adolescents . . .

To determine associations of gestational diabetes mellitus (GDM) and obesity with adverse pregnancy outcomes in the Hyperglycemia and Adverse Pregnancy Outcome (HAPO) Study. Participants underwent a 75-g oral glucose tolerance test (OGTT) between 24 and 32 weeks. GDM was diagnosed post hoc using International Association of Diabetes and Pregnancy Study Groups criteria. Neonatal anthropometrics and cord serum C-peptide were measured. Adverse pregnancy outcomes included birth weight, newborn percent body fat, and cord C-peptide >90th percentiles, primary cesarean delivery, preeclampsia, and shoulder dystocia/birth injury. BMI was determined at the OGTT. Multiple logistic regression was used to examine associations of GDM and obesity with outcomes. Mean maternal BMI was 27.7, 13.7% were obese (BMI ≥33.0 kg/m(2)), and GDM was diagnosed in 16.1%. Relative to non-GDM and nonobese women, odds ratio for birth weight >90th percentile for GDM alone was 2.19 (1.93-2.47), for obesity alone 1.73 (1.50-2.00), and for both GDM and obesity 3.62 (3.04-4.32). Results for primary cesarean delivery and preeclampsia and for cord C-peptide and newborn percent body fat >90th percentiles were similar. Odds for birth weight >90th percentile were progressively greater with both higher OGTT glucose and higher maternal BMI. There was a 339-g difference in birth weight for babies of obese GDM women, compared with babies of normal/underweight women (64.2% of all women) with normal glucose based on a composite OGTT measure of fasting plasma glucose and 1- and 2-h plasma glucose values (61.8% of all women). Both maternal GDM and obesity are independently associated with adverse pregnancy outcomes. Their combination has a greater impact than either one alone.