End-Stage Renal Disease Patients on Chronic Hemodialysis Fare Better With COVID-19: A Retrospective Cohort Study From the New York Metropolitan Region
2020
Introduction Several comorbid conditions have been identified as risk factors in patients with coronavirus disease 2019 (COVID-19) However, there is a dearth of data describing the impact of COVID-19 infection in patients with end-stage renal disease on hemodialysis (ESRD-HD) Methods This retrospective case series analyzed 362 adult patients consecutively hospitalized with confirmed COVID-19 illness between March 12, 2020, and May 13, 2020, at a teaching hospital in the New York City metropolitan area The primary outcome was severe pneumonia as defined by the World Health Organization Secondary outcomes were the (1) the Combined Outcome of Acute respiratory distress syndrome or in-hospital Death (COAD), and (2) need for high levels of oxygen supplementation (HiO(2)) Results Patients with ESRD-HD had lower odds for poor outcomes including severe pneumonia [odds ratio (OR) 0 4, confidence interval (CI) 0 2-0 9, p= 04], HiO(2) [OR 0 3, CI (0 1-0 8), p= 02] and COAD [OR 0 4, CI (0 2-1 05), p= 06], when compared to patients without ESRD In contrast, higher odds for severe pneumonia, COAD and HiO(2) were seen with advancing age African Americans were over-represented in the hospitalized patient cohort, when compared to their representation in the community (35% vs 18%) Hispanics had higher odds for severe illness and HiO(2) when compared to Caucasians Conclusions Patients with ESRD-HD had a milder course of illness with a lower likelihood of severe pneumonia and a lesser need for aggressive oxygen supplementation when compared to patients not on chronic dialysis The lower odds of severe illness in ESRD-HD patients might have a pathophysiologic basis and need to be further explored
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