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BMJ Open ; 14(6): e078687, 2024 Jun 10.
Artigo em Inglês | MEDLINE | ID: mdl-38858136

RESUMO

OBJECTIVES: This study aims to investigate the diagnostic value of heparin-binding protein (HBP) in sepsis and develop a sepsis diagnostic model incorporating HBP with key biomarkers and disease-related scores for rapid, and accurate diagnosis of sepsis in the intensive care unit (ICU). DESIGN: Clinical retrospective cross-sectional study. SETTING: A comprehensive teaching tertiary hospital in China. PARTICIPANTS: Adult patients (aged ≥18 years) who underwent HBP testing or whose blood samples were collected when admitted to the ICU. MAIN OUTCOME MEASURES: HBP, C reactive protein (CRP), procalcitonin (PCT), white blood cell count (WBC), interleukin-6 (IL-6), lactate (LAC), Acute Physiology and Chronic Health Evaluation II (APACHE II) and Sequential Organ Failure Assessment (SOFA) score were recorded. RESULTS: Between March 2019 and December 2021, 326 patients were enrolled in this study. The patients were categorised into a non-infection group (control group), infection group, sepsis group and septic shock group based on the final diagnosis. The HBP levels in the sepsis group and septic shock group were 45.7 and 69.0 ng/mL, respectively, which were significantly higher than those in the control group (18.0 ng/mL) and infection group (24.0 ng/mL) (p<0.001). The area under the curve (AUC) value of HBP for diagnosing sepsis was 0.733, which was lower than those corresponding to PCT, CRP and SOFA but higher than those of IL-6, LAC and APACHE II. Multivariate logistic regression analysis identified HBP, PCT, CRP, IL-6 and SOFA as valuable indicators for diagnosing sepsis. A sepsis diagnostic model was constructed based on these indicators, with an AUC of 0.901, a sensitivity of 79.7% and a specificity of 86.9%. CONCLUSIONS: HBP could serve as a biomarker for the diagnosis of sepsis in the ICU. Compared with single indicators, the sepsis diagnostic model constructed using HBP, PCT, CRP, IL-6 and SOFA further enhanced the diagnostic performance of sepsis.


Assuntos
Peptídeos Catiônicos Antimicrobianos , Biomarcadores , Proteínas Sanguíneas , Proteína C-Reativa , Unidades de Terapia Intensiva , Escores de Disfunção Orgânica , Sepse , Humanos , Estudos Retrospectivos , Estudos Transversais , Feminino , Masculino , Biomarcadores/sangue , Pessoa de Meia-Idade , Sepse/diagnóstico , Sepse/sangue , China , Idoso , Proteínas Sanguíneas/análise , Proteína C-Reativa/análise , Proteína C-Reativa/metabolismo , Peptídeos Catiônicos Antimicrobianos/sangue , Pró-Calcitonina/sangue , APACHE , Interleucina-6/sangue , Adulto , Curva ROC , Ácido Láctico/sangue
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