Overall mortality was significantly higher in patients with diabetes as primary renal disease compared with those with diabetes as a co-morbid condition. This suggests that survival in diabetic dialysis patients is affected by the extent to which diabetes has induced organ damage.
Balancing immunosuppression to prevent rejection in solid organ transplant (SOT) recipients remains challenging. Torque teno virus (TTV), a commensal non-pathogenic virus, has been proposed as marker of functional immunity: higher loads correspond to over-immunosuppression, and lower loads to under-immunosuppression. This review offers an overview of the current evidence of the association between TTV-load and infection and rejection after SOT. A systematic literature search strategy, deposited in the PROSPERO registry, resulted in 548 records. After screening, 23 original and peer-reviewed articles were assessed investigating the association between TTV-load, infection and/or rejection in SOT. The Quality in Prognostic Studies (QUIPS)-tool was used to assess the risk of bias. Meta-analysis with random-effects was performed on results with similar outcomes and exposure measures. Most of the included studies involved retrospective cohorts in which the TTV-load was measured longitudinally, within the first 2 years post-transplantation. Infection outcomes differed between studies and included viral, bacterial, parasitic and fungal infections. Rejection was defined by biopsy confirmation or initiation of rejection treatment. Twelve out of 16 studies reported an association between high TTV-load and infections, whereas 13 out of 15 reported an association between low TTV-load and rejection. Meta-analysis showed an increased risk of infection (OR: 1.16, 95% CI:1.03-1.32; HR: 1.05, 95% CI: 0.97-1.14) and a decreased risk of rejection (OR: 0.90, 95% CI: 0.87-0.94; HR: 0.74, 95% CI: 0.71-0.76) per 1 log TTV-load increase. The qualitative assessment showed varying risks of bias in the included studies. This systematic review and meta-analysis indicates that blood TTV-load measured within the first 2 years after SOT is associated with the risk of infection or allograft rejection, although substantial risk of bias in the studies included warrant cautious interpretation. The results in this review provide a rationale for larger, prospective, studies into TTV as marker of infection and rejection after SOT.
Objective To assess employment status in new end-stage renal disease (ESRD) patients at the start of dialysis and after 1 year, and to determine whether demographic and clinical variables and physical and psychosocial functioning at the start of dialysis are risk factors for loss of employment after 1 year of dialysis. Design Prospective follow-up study in which 38 of 48 Dutch dialysis centers participate. Patients 659 patients who had started on dialysis and who were between 18 and 65 years old were included. Patients were re-examined after 12 months. Main Outcome Measures Demographic data, physical and psychosocial functioning with the Short-Form Health Survey (SF-36), and data on employment status were obtained using questionnaires. Nephrologists provided the clinical data. Results At the start of dialysis, 35% of patients were employed, in contrast to 61% of the general Dutch population. Within 1 year, the proportion of employed patients decreased from 31% to 25% of hemodialysis patients, and from 48% to 40% of peritoneal dialysis patients. In patients who were working at the start of dialysis, independent risk factors for loss of work within 1 year were impaired physical and psychosocial functioning [odds ratio physical: 3.4, 95% confidence interval (%CI), 1.0 – 11.2; odds ratio psychosocial: 4.2, 95% CI, 1.2 – 14.2]. Conclusions As the percentage of employed patients at the start of dialysis is about half the expected percent-age, loss of work is an important issue in both predialysis and dialysis patients. Improvements in physical and psychosocial functioning are potentially preventive of loss of work in patients who are employed when they start dialysis.
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