Impact of COVID-19 infection on the dialysis population prospective, observational, nationwide study

Int Urol Nephrol. 2023 Mar;55(3):721-727. doi: 10.1007/s11255-022-03368-1. Epub 2022 Sep 22.

Abstract

Introduction: Hemodialysis (HD) patients are at increased risk of severe COVID-19 infection but infection rates vary. Our objectives are to describe COVID-19 positive HD patients' characteristics, infection rates, and factors associated with mortality in HD COVID-19 cases in Kuwait.

Methods: Data on demographics, comorbidities, and treatments received, as well as mortality for HD patients admitted to hospitals for COVID-19, from 1/March to 31/July 2020, prospectively collected and analyzed.

Results: A total of 141 infected HD patients were admitted (Mean age 58 ± 16.1; Males 56%), representing 7% of the total HD population and 0.2% of all COVID-19 cases during the study period. Of those 141 infected HD patients, 27 (19%) died, and this represents 6% of total COVID-19-related mortality and 27% of the total HD mortality. In contrast, total covid-19-related mortality of all positive cases was only 0.7%, and total HD mortality during the study period was only 5%. COVID-19-positive HD patients who died were older and 59% were males. However, the differences were not statistically significant. Of the 61 infected HD patients who needed to be switched to continuous kidney replacement therapy (CKRT), 34% died, and of the 29 infected HD patients who needed admission to intensive care, 65% died.

Conclusion: HD population represents a small fraction of the total population; however, positive HD COVID-19 cases represent a sizable proportion of COVID-19 cases and a significant percentage of total COVID-19-related mortality, and total HD mortality.

Keywords: COVID-19; Dialysis; Hemodialysis; Kuwait; Mortality.

Publication types

  • Observational Study

MeSH terms

  • Adult
  • Aged
  • COVID-19* / complications
  • Comorbidity
  • Female
  • Hospitalization
  • Humans
  • Kidney Failure, Chronic* / therapy
  • Male
  • Middle Aged
  • Prospective Studies
  • Renal Dialysis / adverse effects