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Post hoc subgroup analysis of the HEART2D trial demonstrates lower cardiovascular risk in older patients targeting postprandial versus fasting/premeal glycemia.
Raz, I, Ceriello, A, Wilson, PW, Battioui, C, Su, EW, Kerr, L, Jones, CA, Milicevic, Z, Jacober, SJ
Diabetes care. 2011;(7):1511-3
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Abstract
OBJECTIVE To identify the Hyperglycemia and Its Effect After Acute Myocardial Infarction on Cardiovascular Outcomes in Patients With Type 2 Diabetes Mellitus (HEART2D) trial subgroups with treatment difference. RESEARCH DESIGN AND METHODS In 1,115 type 2 diabetic patients who had suffered from an acute myocardial infarction (AMI), the HEART2D trial compared two insulin strategies targeting postprandial or fasting/premeal glycemia on time until first cardiovascular event (cardiovascular death, nonfatal MI, nonfatal stroke, coronary revascularization, or hospitalization for acute coronary syndrome). The HEART2D trial ended prematurely for futility. We used the classification and regression tree (CART) to identify baseline subgroups with potential treatment differences. RESULTS CART estimated the age of >65.7 years to best predict the difference in time to first event. In the subgroup aged>65.7 years (prandial, n=189; basal, n=210), prandial patients had a significantly longer time to first event and a lower proportion experienced a first event (n=56 [29.6%] vs. n=85 [40.5%]; hazard ratio 0.69 [95% CI 0.49-0.96]; P=0.029), despite similar A1C levels. CONCLUSIONS Older type 2 diabetic AMI survivors may have a lower risk for a subsequent cardiovascular event with insulin targeting postprandial versus fasting/premeal glycemia.
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Diabetes Interactive Diary: a new telemedicine system enabling flexible diet and insulin therapy while improving quality of life: an open-label, international, multicenter, randomized study.
Rossi, MC, Nicolucci, A, Di Bartolo, P, Bruttomesso, D, Girelli, A, Ampudia, FJ, Kerr, D, Ceriello, A, Mayor, Cde L, Pellegrini, F, et al
Diabetes care. 2010;(1):109-15
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Abstract
OBJECTIVE Widespread use of carbohydrate counting is limited by its complex education. In this study we compared a Diabetes Interactive Diary (DID) with standard carbohydrate counting in terms of metabolic and weight control, time required for education, quality of life, and treatment satisfaction. RESEARCH DESIGN AND METHODS Adults with type 1 diabetes were randomly assigned to DID (group A, n = 67) or standard education (group B, n = 63) and followed for 6 months. A subgroup also completed the SF-36 Health Survey (SF-36) and World Health Organization-Diabetes Treatment Satisfaction Questionnaire (WHO-DTSQ) at each visit. RESULTS Of 130 patients (aged 35.7 +/- 9.4 years; diabetes duration 16.5 +/- 10.5 years), 11 dropped out. Time for education was 6 h (range 2-15 h) in group A and 12 h (2.5-25 h) in group B (P = 0.07). A1C reduction was similar in both groups (group A from 8.2 +/- 0.8 to 7.8 +/- 0.8% and group B from 8.4 +/- 0.7 to 7.9 +/- 1.1%; P = 0.68). Nonsignificant differences in favor of group A were documented for fasting blood glucose and body weight. No severe hypoglycemic episode occurred. WHO-DTSQ scores increased significantly more in group A (from 26.7 +/- 4.4 to 30.3 +/- 4.5) than in group B (from 27.5 +/- 4.8 to 28.6 +/- 5.1) (P = 0.04). Role Physical, General Health, Vitality, and Role Emotional SF-36 scores improved significantly more in group A than in group B. CONCLUSIONS DID is at least as effective as traditional carbohydrate counting education, allowing dietary freedom for a larger proportion of type 1 diabetic patients. DID is safe, requires less time for education, and is associated with lower weight gain. DID significantly improved treatment satisfaction and several quality-of-life dimensions.