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Aim: To study the clinical features of gout concurrent with carbohydrate metabolic disturbances.
Subjects And Methods: One hundred and ninety-five patients with gout were examined. Their mean age was 54.8 +/- 10.4 years; disease duration was 10 (6-15) years. Anthropometry was estimated; the levels of uric acid (UA), creatinine, and lipid metabolic parameters were measured fasting; the concentrations of glucose were estimated fasting and 2 hours after use of 75 g of glucose; UA excretion and glomerular filtration rate were calculated.
Results: Carbohydrate metabolic disorders were found in 112 (57.4%) patients with gout: type 2 diabetes (T2D) in 67 (34.3%); impaired fasting glycemia in 23 (11.8%); impaired glucose tolerance in 22 (11.3%); the diagnosis of T2D was first detected in 35 patients with gout, i 12 of the 35 (34%) cases after oral glucose tolerance test (OGTT). The detection rate of carbohydrate metabolic disturbances was in direct proportion to serum UA levels. This value was 513.7 +/- 122.2 pmicromol/l in gouty patients with carbohydrate metabolic disturbances and 472.4 +/- 121.9 micromol/l in normoglycemic patients (p = 0.026). High body mass index and elevated serum were significantly determined in hyperglycemic patients; coronary heart disease (CHD) and arterial hypertension were more frequently diagnosed.
Conclusion: OGTT causes a 34% increase in the detection rate of T2D in patients with gout. Carbohydrate metabolic disturbances are revealed in the majority of patients with gout and associated with obesity, hypertriglyceridemia, high serum UA levels, chronic disease forms, the high incidence of CHD and arterial hypertension.
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