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Tacrolimus has been used in pregnant organ recipients for >20 years, and the relationship between fetal complications and the amount of tacrolimus crossing the placenta is still controversial. We report the case of a kidney transplant recipient who used tacrolimus and gave birth to an offspring that developed, shortly after birth, an acute kidney injury caused by tacrolimus exposure, which was detected by measuring tacrolimus levels in the umbilical vein, as well as in maternal blood. Even if whole-blood levels of tacrolimus are within the therapeutic range throughout pregnancy, the amount of tacrolimus could reach toxic levels. © The Author(s) 2019. Published by Oxford University Press on behalf of ERA-EDTA.Background The impact of arteriovenous fistula (AVF) or graft (AVG) thrombosis on mortality has been sparsely studied. This study investigated the association between AVF/AVG thrombosis and all-cause and cardiovascular mortality. Methods The data from 2439 patients with AVF or AVG undergoing maintenance haemodialysis (HD) included in the A Study to Evaluate the Use of Rosuvastatin in Subjects on Regular Hemodialysis An Assessment of Survival and Cardiovascular Events trial (AURORA) were analysed using a time-dependent Cox model. The incidence of vascular access (VA) thrombosis was a pre-specified secondary outcome. Results During follow-up, 278 AVF and 94 AVG thromboses were documented. VA was restored at 22 ± 64 days after thrombosis (27 patients had no restoration with subsequent permanent central catheter). In multivariable survival analysis adjusted for potential confounders, the occurrence of AVF/AVG thrombosis was associated with increased early and late all-cause mortality, with a more pronounced association with early all-cause mortality hazard ratio [HR] 7 days after thrombosis. Clinicians should pay particular attention to the timing of VA restoration and the management of these patients during this high-risk period. The potential benefit of targeting overall patient risk with more aggressive treatment after AVF/AVG restoration should be further explored. © The Author(s) 2019. Published by Oxford University Press on behalf of ERA-EDTA.Severe and life-threatening hypercalcaemia can develop in haemodialysis patients dialysed against a dialysate with a high calcium concentration, the so-called hard water syndrome. Here we describe the development of hard water syndrome in 30 patients following sequential failure of the reverse osmosis unit and water softeners. Serum calcium levels rose from 2.43 ± 0.19 to 3.92 ± 0.51 mmol/L after exposure. All patients required emergency haemodialysis and four acutely deteriorated, one of whom was 24 weeks pregnant. This is the largest reported series of patients affected by this rare and severe condition. This event led to the introduction of processes to minimize future risks. © The Author(s) 2019. Published by Oxford University Press on behalf of ERA-EDTA.Transition is an intrinsic process in the life of a patient with kidney disease and should be planned and anticipated when possible. A single therapy option might not be adequate across a patient's entire lifespan and many patients will require a switch in their treatment modality to adapt the treatment to their clinical and psychosocial needs. There are several reasons behind changing a patient's treatment modality, and the consequences of each decision should be evaluated, considering both short- and long-term benefits and risks. Dialysis modality transition is not only to allow for technical optimization or improved patient survival, the patient's experience associated with the transition should also be taken into account. Transition should not be considered as treatment failure, but rather as an expected progression in the patient's treatment options. © The Author(s) 2019. Published by Oxford University Press on behalf of ERA-EDTA.Background Exercise rehabilitation may help maintain physical function in chronic kidney disease (CKD), but long-term clinical effectiveness is unknown. We evaluated the effect of an exercise rehabilitation program on physical function over 1 year in individuals with CKD. Methods This clinical program evaluation included adults with CKD (any stage) registered in a provincial renal program from 1 January 2011 to 31 March 2016. Attenders were referred to and attended a 10-week exercise rehabilitation program (n = 117). Nonattenders were referred, but did not attend the program (n = 133). Individuals enrolled in a longitudinal frailty study (n = 318) composed a second control group. Primary outcome Change in physical function [short physical performance battery (SPPB) score]. Secondary outcomes included change in health-related quality of life, physical activity, exercise behaviour, hospitalization over 1 year. Predictors of improved SPPB were assessed using logistic regression. Results In sum, 53, 40 and 207 participants completed 1-year follow-up in attender, nonattender and second control groups, respectively. Baseline median SPPB [interquartile range (IQR)] scores were 10.5 (9-12), 10 (8-12) and 9 (7-11) in attender, nonattender and second control groups, respectively (P = 0.02). Mean change in SPPB score over 1 year was not significantly different between groups (P = 0.7). Attenders with baseline SPPB score less then 12, trended toward increased likelihood of improved SPPB score at 1 year [odds ratio (OR) 2.18; 95% confidence interval (CI) 0.95-5.02; P = 0.07]. More attenders (60%) exercised regularly at 1 year than nonattenders (35%) (P = 0.03). Conclusions The impact of clinical exercise rehabilitation programs on physical function at 1 year needs further delineation. However, our observation of improved exercise behaviour at 1 year suggests sustained benefits with such programs in CKD. © The Author(s) 2019. Published by Oxford University Press on behalf of ERA-EDTA.Background Etelcalcetide is an intravenous calcimimetic approved for treatment of secondary hyperparathyroidism (sHPT) in patients receiving hemodialysis. Besides lowering parathyroid hormone (PTH), etelcalcetide also significantly reduces fibroblast growth factor 23 (FGF23), but the mechanisms are unknown. Methods To investigate potential mediators of etelcalcetide-induced FGF23 reduction, we performed secondary analyses of the 26-week randomized trials that compared the effects on PTH of etelcalcetide (n = 509) versus placebo (n = 514) and etelcalcetide (n = 340) versus cinacalcet (n = 343) in adults with sHPT receiving hemodialysis. selleck We analyzed changes in FGF23 in relation to changes in PTH, calcium, phosphate and bone turnover markers. We also investigated how concomitant treatments aimed at mitigating hypocalcemia altered the FGF23-lowering effects of etelcalcetide. Results Etelcalcetide reduced FGF23 [median % change (quartile 1-quartile 3)] from baseline to the end of the trial significantly more than placebo [-56% (-85 to -7) versus +2% (-40 to +65); P  less then  0.

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