Thyroid dysfunction has a major impact on CysC levels. Therefore, thyroid function has to be considered when CysC is used as a marker of kidney function. In contrast to creatinine concentrations, CysC levels are lower in the hypothyroid and higher in the hyperthyroid state as compared with the euthyroid state.

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This study demonstrates that losartan significantly improved endothelial function in type 2 diabetes patients with hypertension compared with atenolol. This must be independent of the blood pressure-lowering effect of losartan and is probably caused by an antioxidative effect of the angiotensin receptor blocker.

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Systematic evaluation of cognitive function by the MMSE at the beginning and at the termination of the fast allows objective determination and documentation of the deterioration of the cognitive state in patients with hypoglycaemic disorders. A decline in the cognitive performance by > or =6 points in the MMSE score rather than a distinct plasma glucose concentration should be used as the criterion to terminate the prolonged fast before 72 h.

Prevention and the correct treatment of the diabetic foot have important social and economic consequences. Risk stratification is essential for choosing the appropriate treatment strategy. History and careful clinical examination identify the risk in each individual patient with diabetes. Peripheral neuropathy (PNP), foot deformation, peripheral arterial disease (PAD) and a history of previous ulcer or amputation are the most important risk factors. PAD must be diagnosed and treated by percutan transluminal angioplasty or bypass surgery where necessary. Primary foot deformation or secondary due to PNP require shoe modifications. Good metabolic control of diabetes and treatment of other cardiovascular risk factors (dyslipidemia, hypertension) delay or prevent the development of PNP and PAD. Therefore an early multidisciplinary approach is essential for each patient with diabetes and foot problems. In the presence of a foot ulcer, it's important to diagnose osteomyelitis by clinical or radiological examination. The choice and duration of antibiotic treatment and surgical intervention depends on the localisation and extension of infection around the ulcer and the presence of osteomyelitis. In case of limb threatening infection, the patient should be referred to a specialized treatment facility immediately.

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