Long-term Host Immune Response Trajectories Among Hospitalized Patients With Sepsis

医学 败血症 内科学 生物标志物 内皮细胞活化 前瞻性队列研究 免疫抑制 胃肠病学 免疫系统 免疫学 炎症 生物化学 化学
作者
Sachin Yende,John A. Kellum,Victor B. Talisa,Octavia M. Peck Palmer,Chung‐Chou H. Chang,Michael R. Filbin,Nathan I. Shapiro,Peter C. Hou,Arvind Venkat,Frank LoVecchio,Katrina Hawkins,Elliott D. Crouser,Anne B. Newman,Derek C. Angus
出处
期刊:JAMA network open [American Medical Association]
卷期号:2 (8): e198686-e198686 被引量:128
标识
DOI:10.1001/jamanetworkopen.2019.8686
摘要

Importance

Long-term immune sequelae after sepsis are poorly understood.

Objective

To assess whether abnormalities in the host immune response during hospitalization for sepsis persist after discharge.

Design, Settings, and Participants

This prospective, multicenter cohort study enrolled and followed up for 1 year adults who survived a hospitalization for sepsis from January 10, 2012, to May 25, 2017, at 12 US hospitals.

Exposures

Circulating levels of inflammation (interleukin 6 and high-sensitivity C-reactive protein [hs-CRP]), immunosuppression (soluble programmed death ligand 1 [sPD-L1]), hemostasis (plasminogen activator inhibitor 1 and D-dimer), endothelial dysfunction (E-selectin, intercellular adhesion molecule 1, and vascular cell adhesion molecule 1), and oxidative stress biomarkers were measured at 5 time points during and after hospitalization for sepsis for 1 year. Individual biomarker trajectories and patterns of trajectories across biomarkers (phenotypes) were identified.

Main Outcomes and Measures

Outcomes were adjudicated centrally and included all-cause and cause-specific readmissions and mortality.

Results

A total of 483 patients (mean [SD] age, 60.5 [15.2] years; 265 [54.9%] male) who survived hospitalization for sepsis were included in the study. A total of 376 patients (77.8%) had at least 1 chronic disease, and their mean (SD) Sequential Organ Failure Assessment score was 4.2 (3.0). Readmissions were common (485 readmissions in 205 patients [42.5%]), and 43 patients (8.9%) died by 3 months, 56 patients (11.6%) died by 6 months, and 85 patients (17.6%) died by 12 months. Elevated hs-CRP levels were observed in 23 patients (25.8%) at 3 months, 26 patients (30.2%) at 6 months, and 23 patients (25.6%) at 12 months, and elevated sPD-L1 levels were observed in 45 patients (46.4%) at 3 months, 40 patients (44.9%) at 6 months, and 44 patients (49.4%) at 12 months. Two common phenotypes were identified based on hs-CRP and sPDL1 trajectories: high hs-CRP and sPDL1 levels (hyperinflammation and immunosuppression phenotype [326 of 477 (68.3%)]) and normal hs-CRP and sPDL1 levels (normal phenotype [143 of 477 (30.0%)]). These phenotypes had similar clinical characteristics and clinical course during hospitalization for sepsis. Compared with normal phenotype, those with the hyperinflammation and immunosuppression phenotype had higher 1-year mortality (odds ratio, 8.26; 95% CI, 3.45-21.69;P < .001), 6-month all-cause readmission or mortality (hazard ratio [HR], 1.53; 95% CI, 1.10-2.13;P = .01), and 6-month readmission or mortality attributable to cardiovascular disease (HR, 5.07; 95% CI, 1.18-21.84;P = .02) or cancer (HR, 5.15; 95% CI, 1.25-21.18;P = .02). These associations were adjusted for demographic characteristics, chronic diseases, illness severity, organ support, and infection site during sepsis hospitalization and were robust in sensitivity analyses.

Conclusions and Relevance

In this study, persistent elevation of inflammation and immunosuppression biomarkers occurred in two-thirds of patients who survived a hospitalization for sepsis and was associated with worse long-term outcomes.
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