IntroductionPresepsin levels are known to be increased in sepsis. The aim of this study was to evaluate the early diagnostic and prognostic value of Presepsin compared with procalcitonin (PCT), Mortality in Emergency Department Sepsis (MEDS) score and Acute Physiology and Chronic Health Evaluation II (APACHE II) score in septic patients in an emergency department (ED) and to investigate Presepsin as a new biomarker of sepsis.MethodsThis study enrolled 859 consecutive patients with at least two diagnostic criteria for systemic inflammatory response syndrome (SIRS) who were admitted to Beijing Chao-yang Hospital ED from December 2011 to October 2012, and 100 age-matched healthy controls. Patients were stratified into four groups: SIRS, sepsis, severe sepsis, and septic shock. Plasma Presepsin and serum PCT were measured, and MEDS score and APACHE II score were calculated at enrollment. Comparisons were analyzed using the Kruskal-Wallis and Mann–Whitney U tests.ResultsOn admission, the median levels of plasma Presepsin increased with sepsis severity. The areas under the receiver operating characteristic (AUC) curves of Presepsin were greater than those of PCT in diagnosing sepsis, and predicting severe sepsis and septic shock. The AUC of Presepsin for predicting 28-day mortality in septic patients was slightly lower than that of PCT, MEDS score and APACHE II score. The AUC of a combination of Presepsin and MEDS score or APACHE II score was significantly higher than that of MEDS score or APACHE II score alone in predicting severe sepsis, and was markedly higher than that of Presepsin alone in predicting septic shock and 28-day mortality in septic patients, respectively. Plasma Presepsin levels in septic patients were significantly higher in non-survivors than in survivors at 28 days’ follow-up. Presepsin, MEDS score and APACHE II score were found to be independent predictors of severe sepsis, septic shock and 28-day mortality in septic patients. The levels of plasma Presepsin were positively correlated with PCT, MEDS score and APACHE II score in every septic group.ConclusionPresepsin is a valuable biomarker for early diagnosis of sepsis, risk stratification, and evaluation of prognosis in septic patients in the ED.
Background: Morbidity and mortality of stroke have been investigated extensively in Western populations, while data concerning case fatality and cause of death after stroke are very limited in mainland China. This study aimed to analyze the 1-year survival and predictors of case fatality in Chinese patients with first-ever stroke. Methods: Subjects are patients registered in the Nanjing Stroke Registry Program. Information concerning cardiovascular risk factors and stroke characteristics were collected, and patients were followed after registration. Ischemic strokes were classified according to TOAST criteria as large-artery atherosclerosis (LAA), cardiac embolism stroke (CES), small-vessel stroke (SVS), or other determined and undetermined causes (UND). One-year case fatality was analyzed by the Kaplan-Meier method, and predictors of case fatality were evaluated by the Cox proportional hazards model. Results: A total of 752 patients with first-ever stroke were included, of which 142 (18.9%) were identified as intracerebral hemorrhage (ICH), 120 (16.0%) as LAA, 123 (16.4%) as SVS, 160 (21.3%) as CES and 216 (28.7%) as UND. The overall survival rate was 86.4% at the end of the 1-year follow-up. Patients with SVS have the highest survival rate (92.7%), followed by UND (89.4%), CES (88.1%) and LAA (84.2%). Patients with ICH have the lowest survival rate (76.8%). Survival rates of patients with different subtypes of stroke presented a significant difference (χ2 = 19.3, p < 0.001). For patients deceased during the first year after the index stroke, 33.3% of deaths were caused by the first stroke, 18.6% by recurrent stroke, 16.7% by cardiovascular comorbidities, 14.7% by nonvascular conditions and 16.7% died of undetermined causes. Advanced age, hypertension, hyperlipidemia, diabetes mellitus (DM), atrial fibrillation (AF), history of transient ischemic attack and cigarette smoking were associated with an increased risk of death 1 year after stroke. Conclusions: The case fatality rate and predictors for mortality of Chinese patients with first-ever stroke are similar to those reported for other populations. The significant influence of cardiovascular disease on the first-year survival rate emphasizes the importance of acute stroke management and control of hypertension, DM, AF and other predictors for decreasing case fatality and improving prognosis.
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