Management of immunosuppression in lung transplant recipients and COVID-19 outcomes: an observational retrospective cohort-study
Hugo Bes-Berlandier, Benjamin Coiffard, Julien Bermudez, Nadine Demazes-Dufeu, Bérengère Coltey, Céline Boschi, Philippe Colson, Sami Hraiech, Martine Reynaud-Gaubert, Nadim Cassir
BMC Infectious Diseases, doi:10.1186/s12879-024-09269-1
Background The aim of this study was to assess the impact of immunosuppression management on coronavirus disease 2019 (COVID-19) outcomes.
Methods We performed a single-center retrospective study in a cohort of 358 lung transplant recipients (LTx) over the period from March 2020 to April 2022. All included symptomatic patients had at least one positive SARS-CoV-2 rt-PCR. We used a composite primary outcome for COVID-19 including increased need for oxygen since the hospital admission, ICU transfer, and in-hospital mortality. We assessed by univariate and multivariate analyses the risk factors for poor outcomes. Results Overall, we included 91 LTx who contracted COVID-19. The COVID-19 in-hospital mortality rate reached 4.4%. By hierarchical clustering, we found a strong and independent association between the composite poor outcome and the discontinuation of at least one immunosuppressive molecule among tacrolimus, cyclosporine, mycophenolate mofetil, and everolimus. Obesity (OR = 16, 95%CI (1.96; 167), p = 0.01) and chronic renal failure (OR = 4.6, 95%CI (1.4; 18), p = 0.01) were also independently associated with the composite poor outcome. Conversely, full vaccination was protective (OR = 0.23, 95%CI (0.046; 0.89), p = 0.047).
Conclusion The administration of immunosuppressive drugs such as tacrolimus, cyclocporine or everolimus can have a protective effect in LTx with COVID-19, probably related to their intrinsic antiviral capacity.
Supplementary Information The online version contains supplementary material available at https://doi. org/10.1186/s12879-024-09269-1.
Supplementary Material 1
Author contributions
Data availability The data that support the findings of this study are available from the corresponding author upon reasonable request.
Declarations Ethics approval and consent to participate Due to the retrospective nature of the study, the need for informed consent was waived by the Ethics Committee of the Société de Pneumologie de Langue Française (CEPRO) (number CEPRO2023-036)
Competing interests The authors declare no competing interests.
Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
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