Plasma apoA-IV levels are increased in NIDDM patients. This increase in apoA-IV is related mainly to hypertriglyceridemia and, to a lesser extent, to HDL cholesterol level. The apoA-IV phenotype distribution is not different between NIDDM patients and nondiabetic control subjects. The potential protective lipid profile (characterized by increased HDL and HDL2 cholesterol levels) linked with apoA-IV-1-2 phenotype in control subjects is no longer found in NIDDM patients. We suggest that the metabolic state of NIDDM has erased the potential protective lipid profile associated with the apoA-IV-1-2 phenotype.
Diabetes is a unique disorder in how much it requires a high degree of individual self management strategies. Anxiety and stress can affect glycemic control, and thus management of emotions may be key to good glycemic control. This study is the first to examine how anxiety and coping style, and their interaction, can affect long-term glycemic control. We measured anxiety, coping, and HbA1C, a measure for mean blood glucose levels in the previous 6-8 weeks, in 115 patients with Type 1 diabetes at baseline and roughly 5 years later. We found that coping predicted outcomes, especially for those high in trait anxiety. Trait anxiety predicted limited increases in HbA1C (mean increase = 0.02%). Lower levels of emotion-oriented coping predicted clinically significant increases in HbA1C, but only for those high on baseline trait anxiety (mean increase = 0.92%). Task-oriented coping predicted decreases in state anxiety. Use of task- and emotion-oriented coping appears especially important for highly anxious patients, both for emotional regulation and glycemic control. So, coping styles, basal anxiety and their interactions should be considered in designing follow-up and interventions with diabetic patients.
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