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BACKGROUND It is well known that both insulin resistance and insulin deficiency are involved in the pathogenesis of post-transplant diabetes mellitus (PTDM), but the relative importance of the two different mechanisms is still under debate. The present prospective longitudinal study was performed over 6 years to investigate the impact of impaired insulin(More)
BACKGROUND Morbid obesity is associated with low circulating concentrations of 25-hydroxyvitamin D. Few data on the concentrations of other vitamins in morbidly obese patients are available. OBJECTIVE The objective was to compare serum and blood vitamin concentrations in morbidly obese patients with those in healthy subjects. DESIGN In 2 public hospital(More)
BACKGROUND Fasting plasma glucose (fPG) is recommended to identify new-onset posttransplant diabetes mellitus (PTDM), but an oral glucose tolerance test (OGTT) has higher diagnostic sensitivity. We aimed to assess the accuracy of fPG and glycosylated hemoglobin (HbA1c) for the selection of patients who should undergo a diagnostic OGTT 10 weeks after renal(More)
BACKGROUND Retrospective studies on the prevalence of posttransplant diabetes mellitus (PTDM) in patients on triple-drug immunosuppressive therapy have shown great dispersity, while the incidence of posttransplant impaired glucose tolerance (IGT) is unknown. The aim of our study was to prospectively examine the incidence of posttransplant glucose(More)
The impact of early-diagnosed new-onset post-transplantation diabetes mellitus (PTDM) on cardiovascular (CV) disease is not well described. The objectives of the present prospective single-center observational study were to assess the long-term effects of early-diagnosed new-onset PTDM on major cardiac events (MCE; cardiac death or nonfatal acute myocardial(More)
OBJECTIVE The purpose of the present study was to validate various surrogate estimates of insulin sensitivity (IS) in a renal transplant population and to assess the influence of immunosuppressive and antihypertensive therapy on insulin resistance (IR) after renal transplantation. RESEARCH DESIGN AND METHODS A total of 167 consecutive renal transplant(More)
BACKGROUND Renal insufficiency predisposes to insulin resistance, hyperparathyroidism and derangements in calcium phosphate and nitrogenous compound balance, leading to pre-transplant hyperglycaemia. These metabolic risk factors are not fully corrected after renal transplantation. The present study aimed to assess the role of pre-transplant glycaemia and(More)
AIMS/HYPOTHESIS The human cytomegalovirus (CMV) may increase the risk of diabetes mellitus, but the literature is scarce. The present study was designed to test the hypothesis that asymptomatic CMV infection is associated with increased risk of new-onset diabetes after renal transplantation, and to assess the impact of asymptomatic CMV infection on(More)
Cardiovascular disease is a prevalent and serious complication after solid organ transplantation. Treatment with glucocorticoids is associated with increased risk for diabetes mellitus, insulin resistance, weight gain, hypercholesterolemia, and hypertension, all shown to be independent risk factors for cardiovascular disease. We sought to test the(More)