ArticleCritical care (London, England)2025
Cytomegalovirus reactivation in the lower respiratory tract as an independent risk factor for mortality in critically Ill patients.
Article in Critical care (London, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Viral Reactivation in Immunocompetent Critically Ill Patients.Microorganisms · 2026Review
- Active cytomegalovirus infection in acute respiratory distress syndrome patients: key points requiring attention.Critical care (London, England) · 2026Article
- Histological proof of pulmonary herpesvirus presence in patients with COVID-19- or influenza-related ARDS.Critical care (London, England) · 2026Article
- Time-series clustering analysis reveals distinct patterns of cytomegalovirus viremia in critically ill adults.Intensive care medicine experimental · 2026Article
- Clinical and biological features of CMV reactivation in ARDS: a prospective cohort study.Critical care (London, England) · 2026Article
- Detection of cytomegalovirus in the lower respiratory tract among patients with critical illness: uncovering enhanced potential benefits.Critical care (London, England) · 2025Article
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Abstract
backgroundThe clinical significance of cytomegalovirus reactivation in the lower respiratory tract (LRT) of critically ill patients remains unclear. We aimed to investigate the association between cytomegalovirus reactivation detected in LRT and intensive care unit (ICU) prognosis.
methodsThis study included critically ill patients admitted to a medical ICU at a tertiary referral center in South Korea between January 2021 and June 2023. Cytomegalovirus load in LRT samples collected via bronchoscopy was measured within 7 days of admission. Detection of cytomegalovirus DNA in LRT was defined as reactivation. Associations between cytomegalovirus reactivation and ICU, in-hospital, 30-day, and 90-day mortality were assessed using multivariable Fine-Gray model adjusted for major clinical factors.
resultsOf the 322 patients (median age 68 years, 66.8% male), 145 (45%) had cytomegalovirus reactivation in the LRT. Cytomegalovirus reactivation was independently associated with increased ICU (adjusted subdistribution hazard ratio [aSHR], 2.28; 95% confidence interval [CI], 1.46-3.56), in-hospital (aSHR, 2.00; 95% CI, 1.44-2.78), 30-day (aSHR, 2.11; 95% CI, 1.42-3.13), and 90-day mortality (aSHR, 2.05; 95% CI, 1.45-2.88). Anti-cytomegalovirus therapy was significantly associated with reduced ICU mortality in patients with radiologic findings suggestive of cytomegalovirus pneumonia (P for interaction = 0.001), but was linked to increased mortality in patients with positive bacterial cultures (P for interaction = 0.002).
conclusionCytomegalovirus reactivation in the LRT is associated with poor outcomes in critically ill patients. Anti-cytomegalovirus therapy was not associated with overall survival outcomes; however, the subgroup with radiologic findings of cytomegalovirus pneumonia suggested benefits, while the subgroup with bacterial co-infections suggested harmful effects. Randomized controlled trials are needed.
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