Soluble Suppression Of Tumorigenicity-2 Predicts Hospital Mortality in Burn Patients: An Observational Prospective Cohort Pilot Study

Mireia Ruiz-Castilla, Pau Bosacoma, Bruce Dos Santos, Jacinto Baena, Patricia Guilabert, Judith Marin-Corral, Joan R. Masclans, Oriol Roca, Juan P. Barret

    Research output: Contribution to journalArticleResearch

    3 Citations (Scopus)

    Abstract

    BACKGROUND: The IL33/ST2 pathway has been implicated in the pathogenesis of different inflammatory diseases. Our aim was to analyze whether plasma levels of biomarkers involved in the IL33/ST2 axis might help to predict mortality in burn patients. METHODS: Single-center prospective observational cohort pilot study performed at the Burns Unit of the Plastic and Reconstructive Surgery Department of the Vall d'Hebron University Hospital (Barcelona). All patients aged ≥18 years old with second or third-degree burns requiring admission to the Burns Unit were considered for inclusion. Blood samples were taken to measure levels of interleukins (IL)6, IL8, IL33, and soluble suppression of tumorigenicity-2 (sST2) within 24 h of admission to the Burns Unit and at day 3. Results are expressed as medians and interquartile ranges or as frequencies and percentages. RESULTS: Sixty-nine patients (58 [84.1%] male, mean age 52 [35-63] years, total body surface area burned 21% [13%-30%], Abbreviated Burn Severity Index 6 [4-8]) were included. Thirteen (18.8%) finally died in the Burns Unit. Plasma levels of sST2 measured at day 3 after admission demonstrated the best prediction accuracy for survival (area under the receiver-operating curve 0.85 [0.71-0.99]; P < 0.001). The best cutoff point for the area under the receiver-operating curve index was estimated to be 2,561. In the Cox proportional hazards model, after adjusting for potential confounding, a plasma sST2 level ≥2,561 measured at day 3 was significantly associated with mortality (hazard ratio 6.94 [1.73-27.74]; P = 0.006). CONCLUSIONS: Plasma sST2 at day 3 predicts hospital mortality in burn patients.
    Original languageEnglish
    Pages (from-to)194-199
    JournalShock (Augusta, Ga.)
    Volume51
    DOIs
    Publication statusPublished - 1 Feb 2019

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