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Are the patterns of cytomegalovirus viral load seen after solid organ transplantation affected by circadian rhythm?

Rafferty, Hannah; Murray, matthew; Tam, Jerry; McFarlane, Alistair; Smith, Colette; Lumley, Sheila; Atabani, Sowsan; ... Griffiths, Paul; + view all (2022) Are the patterns of cytomegalovirus viral load seen after solid organ transplantation affected by circadian rhythm? Journal of Infectious Diseases , Article jiac055. 10.1093/infdis/jiac055. (In press). Green open access

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Abstract

Background: Cytomegalovirus (CMV) is an important opportunistic pathogen after transplantation. Some virological variation in transplant recipients is explained by donor and recipient CMV serostatus, but not all. Circadian variability of herpesviruses has been described, so we investigated the effect of time of day of transplantation on posttransplant CMV viremia. Methods: We performed a retrospective analysis of 1517 patients receiving liver or kidney allografts at a single center from 2002 to 2018. All patients were given preemptive therapy with CMV viremia monitoring after transplantation. Circulatory arrest and reperfusion time of donor organ were categorized into 4 periods. Patients were divided into serostatus groups based on previous CMV infection in donor and recipient. CMV viremia parameters were compared between time categories for each group. Factor analysis of mixed data was used to interrogate this complex data set. Results: Live-donor transplant recipients were less likely to develop viremia than recipients of deceased-donor organs (48% vs 61%; P < .001). After controlling for this, there was no evidence of time of day of transplantation affecting CMV parameters in any serostatus group, by logistic regression or factor analysis of mixed data. Discussion: We found no evidence for a circadian effect of transplantation on CMV viremia, but these novel results warrant confirmation by other centers.

Type: Article
Title: Are the patterns of cytomegalovirus viral load seen after solid organ transplantation affected by circadian rhythm?
Open access status: An open access version is available from UCL Discovery
DOI: 10.1093/infdis/jiac055
Publisher version: https://doi.org/10.1093/infdis/jiac055
Language: English
Additional information: © The Author(s) 2022. Published by Oxford University Press for the Infectious Diseases Society of America. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: Cytomegalovirus, circadian rhythm, solid organ transplantation, monitoring, prophylaxis, preemptive
UCL classification: UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Infection and Immunity
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10143596
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