eprintid: 10167471 rev_number: 18 eprint_status: archive userid: 699 dir: disk0/10/16/74/71 datestamp: 2023-03-30 10:05:39 lastmod: 2024-01-09 14:17:24 status_changed: 2023-08-23 14:33:27 type: article metadata_visibility: show sword_depositor: 699 creators_name: Goodlad, Cate creators_name: Davenport, Andrew title: The changing pattern of COVID-19 infection in haemodialysis and peritoneal dialysis patients ispublished: pub divisions: UCL divisions: B02 divisions: C10 divisions: D17 keywords: COVID-19, haemodialysis, hospitalisation, inflammation, peritoneal dialysis, survival note: © 2023 The Authors. Artificial Organs published by International Center for Artificial Organ and Transplantation (ICAOT) and Wiley Periodicals LLC. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License (http://creativecommons.org/licenses/by-nc-nd/4.0/). abstract: INTRODUCTION: Following the first wave of COVID-19 there have been several variants. We wished to review the number and severity of infections with the different variants in a population of haemodialysis (HD) and peritoneal dialysis (PD) patients. METHODS: We reviewed the outcomes and results in HD and PD patients testing positive for COVID-19 between March 2020 -August 2022. RESULTS: 795 cases of COVID-19 were recorded in 710 dialysis patients. More HD patients than PD contracted wild type (21.4 vs 6.8%), delta (23.3 vs 6.3%) and omicron (27.7 vs 14.7%), all p<0.01, but no difference with alpha (4.6 vs 6.3%) or beta variants (5.7 vs 6.85). Hospitalisation and death were greatest for alpha followed by wild type, beta, delta and omicron (60.6 vs 57 vs 47.5 vs 21.2 vs 19.3%) respectively, p<0.001. C reactive protein progressively increased from outpatient management to hospitalisation to hospitalisation with critical care or death (14 (4-30) vs 41 (18-101) vs 94 (47-168) mg/L, p<0.001. Despite previous infection and vaccination 85 (12%) patients had 2 or more infections with COVID-19. CONCLUSION: Disease severity declined and survival improved as the virus mutated from wild type and alpha to beta, delta and omicron variants. Whether this related to reduction in viral virulence, vaccination, natural acquired immunity, or introduction of pharmacological treatments remains to be determined. Government lockdowns and enhanced infection control measures reduced the % of HD patients contracting alpha and beta variants to those of PD. Vaccination and prior infection did not prevent re-infection. date: 2023-07 date_type: published publisher: Wiley official_url: https://doi.org/10.1111/aor.14526 oa_status: green full_text_type: pub language: eng primo: open primo_central: open_green verified: verified_manual elements_id: 2012675 doi: 10.1111/aor.14526 medium: Print-Electronic lyricists_name: Davenport, Andrew lyricists_id: ADAVE78 actors_name: Davenport, Andrew actors_name: Henderson, Kathryn actors_id: ADAVE78 actors_id: KJHEN38 actors_role: owner actors_role: impersonator full_text_status: public publication: Artificial Organs volume: 47 number: 7 pagerange: 1202-1207 event_location: United States citation: Goodlad, Cate; Davenport, Andrew; (2023) The changing pattern of COVID-19 infection in haemodialysis and peritoneal dialysis patients. Artificial Organs , 47 (7) pp. 1202-1207. 10.1111/aor.14526 <https://doi.org/10.1111/aor.14526>. Green open access document_url: https://discovery.ucl.ac.uk/id/eprint/10167471/8/Davenport_%20The%20changing%20pattern%20of%20COVID-19%20infection%20in%20haemodialysis%20and%20peritoneal%20dialysis%20patients_VoR.pdf