Blood levels of glucometabolic hormones and urinary saturation with stone forming phases after an oral test meal in male patients with recurrent idiopathic calcium urolithiasis and in healthy controls.

摘要: Male patients with recurrent calcium (Ca) urolithiasis (RCU) idiopathic hypercalciuria (I-HC, n = 12) or normocalciuria (NC, 12), and age, sex, weight-matched controls (C, were evaluated before after a carbohydrate-rich synthetic meal for blood glucose, free fatty acids (FFA), alpha-amino-nitrogen, several glucometabolic hormones parathyroid hormone (PTH), urine Ca, phosphate, oxalate, cyclic adenosine monophosphate (cAMP) levels as well saturation. Fasting serum Ca was significantly higher PTH lower in I-HC than controls, whereas fasting cAMP phosphate unchanged. There only minor differences between glucose postprandial tolerance of RCU controls. However, insulin elevated versus C, but C-peptide, plasma glucagon, somatostatin comparable C. FFA Postprandial phosphaturia ...