Abstract
Purpose
We examined risk factors that may have contributed to Cytomegalovirus (CMV) reactivation among patients who underwent lung transplantation (LTx).
Methods
We reviewed medical records of patients who underwent LTx at a tertiary healthcare hospital in South Korea between January 2013 and May 2017. We excluded patients who died within the first year after LTx and those lost to follow-up. CMV reactivation was defined as the detection of CMV titers above 3000 copies/ml regardless of specific symptoms after prophylaxis cessation.
Results
Of 89 patients included, 39 (43.8%) developed CMV reactivation. Of those 39 patients, 16 (41.0%) experienced additional CMV reactivation. Multivariate analysis identified lymphocyte counts below 1.0 × 103/μl (hazard ratio [HR] 49.33, p < 0.001) and use of steroids at more than twice the standard dose (HR 8.07, p < 0.001) as risk factors for CMV reactivation. The multivariate model also identified chronic kidney disease (CKD; HR 5.19, p = 0.016) and pneumonia (HR 17.22, p = 0.013) as risk factors for repetitive CMV reactivation.
Conclusion
This study suggests that lymphopenia and high doses of steroids may be important risk factors for CMV reactivation in LTx patients. Our results also suggest that repetitive CMV reactivation may be associated with CKD and pneumonia.
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Data Availability
Available on request.
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The Institutional Review Board at Severance Hospital approved this study (IRB No.2013-0522-031).
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Kwak, S.H., Lee, S.H., Park, M.S. et al. Risk Factors for Cytomegalovirus Reactivation in Lung Transplant Recipients. Lung 198, 829–838 (2020). https://doi.org/10.1007/s00408-020-00380-z
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DOI: https://doi.org/10.1007/s00408-020-00380-z