Abstract
Introduction
The prognostic performance of scoring systems for illness severity in infectious kidney transplant recipients (KTRs) is rarely reported. We investigated the ability of the scores for the quick Sequential Organ Failure Assessment (qSOFA), Sequential Organ Failure Assessment (SOFA) and Systemic Inflammatory Response Syndrome (SIRS) to predict in-hospital mortality, intensive care unit (ICU) admission and mechanical ventilation (MV) requirement.
Methods
This was a second analysis of a retrospective observational study. Scores for SIRS, SOFA and qSOFA were calculated upon hospitalization (infection onset was before hospitalization) or on the day of infection onset (infection episodes were during hospitalization). The primary outcome was in-hospital mortality. The secondary outcomes were ICU admission and MV requirement. Binary logistic regression and area under the receiver operating characteristic curve (AUC) were employed to assess prognostic performance.
Results
A total of 161 infectious episodes occurred in 97 KTRs. Forty patients (41%) experienced more than one episode. The SOFA score was available in 161 infections, and scores for qSOFA and SIRS were available in 160 infections. The SIRS score was not different between KTRs with opposite outcomes. The qSOFA score was higher in infections necessitating MV. The SOFA score was significantly higher in the deceased, those needing ICU admission, MV, and for those with positive etiology results. The SOFA score was the only independent predictor of in-hospital mortality, ICU admission, and MV requirement, and the AUCs were 0.879, 0.815, and 0.784, respectively. The optimum cutoff value of predicting the three outcomes was SOFA score ≥ 3.
Conclusions
The SOFA score (but not those for SIRS and qSOFA) independently predicted in-hospital mortality, ICU admission, and MV requirement in infectious KTRs.
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Acknowledgements
We are grateful to Professor Xiao-Dong Zhang and Xiao-Peng Hu (Department of Urology Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China) for supervising immunosuppressive therapy in the enrolled patients. We thank Professor Li-Rong Liang (Department of Respiratory and Critical Care Medicine, Beijing Key Laboratory of Respiratory and Pulmonary Circulation, Beijing Institute of Respiratory Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China) for helping us in statistical analysis.
Funding
No funding or sponsorship was received for this study or publication of this article. The Rapid Service Fee was funded by the authors.
Editorial Assistance
We thank Arshad Makhdum, PhD, from Liwen Bianji, Edanz Group China (http://www.liwenbianji.cn/ac), for editing the English text of a draft of this manuscript.
Authorship
All named authors meet the International Committee of Medical Journal Editors criteria for authorship for this article, take responsibility for the integrity of the work as a whole, and have given their approval for this version to be published.
Authors’ contributions
Yun-Xia Chen and Li Gu conceived and designed the study. Yun-Xia Chen was the primary author, editor of the manuscript, and the lead clinical investigator. All authors contributed to the review of EMRs and data collection. Yun-Xia Chen analyzed the data. Li Gu takes responsibility for the manuscript as a whole. All authors critically reviewed and approved the final version of the manuscript. Yun-Xia Chen and Ran Li contributed to the work equally and should be regarded as co-first authors.
Disclosures
Yun-Xia Chen, Ran Li, Li Gu, Kai-Yi Xu, Yong-Zhe Liu and Ren-Wen Zhang report no conflicts of interest.
Compliance with Ethics Guidelines
The study was approved by the ethics board of Beijing Chao-Yang Hospital, with a waiver for informed consent.
Data Availability
The datasets used and/or analyzed during the present study are available from the corresponding author upon reasonable request.
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Chen, YX., Li, R., Gu, L. et al. Prognostic Performance of SOFA, qSOFA, and SIRS in Kidney Transplant Recipients Suffering from Infection: A Retrospective Observational Study. Adv Ther 37, 1100–1113 (2020). https://doi.org/10.1007/s12325-020-01225-0
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DOI: https://doi.org/10.1007/s12325-020-01225-0