Journal
PATHOGENS
Volume 9, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/pathogens9110913
Keywords
neutrophil-to-lymphocyte ratio; renal transplantation; prognosis; community-acquired pneumonia; mortality
Categories
Funding
- National Natural Science Foundation of China [81770746] Funding Source: Medline
- Natural Science Foundation of Shanghai [20ZR1411100] Funding Source: Medline
- Medical and Health Talents Training Plan for the Excellent Youth of Shanghai Municipal [2018YQ50] Funding Source: Medline
- Program of Shanghai Academic/Technology Research Leader [20XD1421000] Funding Source: Medline
- Project ELITE: A Special Supportive Program for Organ Transplantation by COTDF [2019JYJH05] Funding Source: Medline
- the Research Fund of Shanghai Municipal Health Commission [2019ZB0105] Funding Source: Medline
- 2019 Shanghai Youth Talent Development Program [to Cheng Yang] Funding Source: Medline
- Research Funds of Zhongshan Hospital [2019ZSQN13, 2019ZSYXQN34 and XYYX201922] Funding Source: Medline
- Shanghai Rising-Star Program [19QA1406300] Funding Source: Medline
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Mortality of renal transplant recipients with severe community-acquired pneumonia (CAP) remains high, despite advances in critical care management. There is still a lack of biomarkers for predicting prognosis of these patients. The present study aimed to investigate the association between neutrophil-to-lymphocyte ratio (NLR) and mortality in renal transplant recipients with severe CAP. A total of 111 renal transplant recipients with severe CAP admitted to the intensive care unit (ICU) were screened for eligibility between 1 January 2009 and 30 November 2018. Patient characteristics and laboratory test results at ICU admission were retrospectively collected. There were 18 non-survivors (22.2%) among 81 patients with severe CAP who were finally included. Non-survivors had a higher NLR level than survivors (26.8 vs. 12.3, p < 0.001). NLR had the greatest power to predict mortality as suggested by area under the curve (0.88 +/- 0.04; p < 0.0001) compared to platelet-to-lymphocyte ratio (0.75 +/- 0.06; p < 0.01), pneumonia severity index (0.65 +/- 0.08; p = 0.05), CURB-65 (0.65 +/- 0.08; p = 0.05), and neutrophil count (0.68 +/- 0.07; p < 0.01). Multivariate logistic regression models revealed that NLR was associated with hospital and ICU mortality in renal transplant recipients with severe CAP. NLR levels were independently associated with mortality and may be a useful biomarker for predicting poor outcome in renal transplant recipients with severe CAP.
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