In type 2 diabetes, postlunch PG and extended postlunch PG are better predictors of glycemic control than fasting plasma glucose (FPG). We therefore suggest that they be more widely used to supplement, or substitute for, FPG in evaluating the metabolic control of type 2 diabetic patients.

Aims: Extracellular matrix (ECM) turnover is a major determinant of diastolic dysfunction and pumping capacity, thus potentially contributing to the progression of congestive heart failure (CHF). Patients with both arterial hypertension and diabetes have a high risk of heart failure. Whether these patients have changes in cardiac ECM has not been studied previously. Our objective was to compare blood markers of collagen turnover among patients with CHF, patients with hypertension and type II diabetes (HD), and healthy individuals. Methods and results: Measurements were performed in 239 CHF patients; 64 HD patients and 92 healthy subjects. We showed by adjusted ANOVA that PIIINP levels were significantly higher in CHF and HD patients than in controls, and higher in CHF patients than in HD patients. MMP1 levels were significantly lower in CHF and HD patients than in controls. Collagen type I markers (PICP and PINP) were not influenced by CHF but were lower in HD patients as compared to controls ( p < 0.05 for all comparisons). Conclusion: In heart failure, markers of cardiac collagen synthesis are increased and markers of degradation are decreased, potentially contributing to cardiac fibrosis and thus to poor outcome. Changes in collagen turnover may also occur early in the disease process in highrisk patients before heart failure is clinically detectable.

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In coronary artery disease patients: (1) BNP is not only a marker of left ventricular dysfunction, but also a marker of VT; (2) combined 'high PINP and low PIIINP' is a strong VT marker; and 3) inflammatory process is involved in VT pathogenesis.