期刊
KIDNEY INTERNATIONAL REPORTS
卷 6, 期 1, 页码 46-55出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ekir.2020.10.032
关键词
COVID-19; dialysis; immunosuppression; kidney transplantation; outcomes; transplant waitlist
资金
- National Institute for Health Research Biomedical Research Centre based at Imperial College Healthcare NHS Trust
- Imperial College London
While COVID-19 infection was more commonly diagnosed in waitlist patients, transplant recipients had a higher COVID-19-associated mortality rate, resulting in comparable overall mortality rates.
Introduction: There are limited data pertaining to comparative outcomes of remaining on dialysis versus kidney transplantation as the threat of coronavirus disease 2019 (COVID-19) remains. In this study we delineate the differential risks involved using serologic methods to help define exposure rates. Methods: From a cohort of 1433 patients with end-stage kidney disease (ESKD), we analyzed COVID-19 infection rates and outcomes in 299 waitlist patients compared with 237 transplant recipients within their first year post-transplant. Patients were followed over a 68-day period from the time our transplant program closed due to COVID-19. Results: The overall mortality rates in waitlist and transplant populations were equivalent (P = 0.69). However, COVID-19 infection was more commonly diagnosed in the waitlist patients (P= 0.001), who were more likely to be tested by reverse transcriptase polymerase chain reaction (P= 0.0004). Once infection was confirmed, mortality risk was higher in the transplant patients (P = 0.015). The seroprevalence in dialysis and transplant patients with undetected infection was 18.3% and 4.6%, respectively (P = 0.0001). After adjusting for potential screening bias, the relative risk of death after a diagnosis of COVID-19 remained higher in transplant recipients (hazard ratio = 3.36 [95% confidence interval = 1.19-9.50], P= 0.022). Conclusions: Although COVID-19 infection was more common in the waitlist patients, a higher COVID-19- associated mortality rate was seen in the transplant recipients, resulting in comparable overall mortality rates.
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