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脓毒症是由于机体对感染的反应失调而引起的威胁生命的器官功能障碍[1], 是全世界导致死亡和严重疾病的主要原因之一,死亡率高达20%~30%, 近年来其发病率有升高趋势[2]。脓毒症病情进展迅速,如果能准确判断其预后,对病人的治疗方案尽早进行调整,将会对降低死亡率起重要作用。通常通过检测病人血液中的降钙素原(PCT)、C反应蛋白和白细胞计数等炎症指标,以及对临床情况的分析来对脓毒症病人的预后进行评估,有时仍不能准确判断病情的变化,在确定死亡率时仍然有很大的差异。因此,需要综合其他指标来判断脓毒症预后。肝素结合蛋白(HBP)是一种由中性粒细胞释放的颗粒蛋白,它通过影响血管内皮细胞的通透性,以及激活炎症介质,进而参与由感染引起的炎症反应,HBP在脓毒症的病情发展中发挥着重要的作用[3]。有研究[4]表明,脓毒症病人血液中的HBP表达水平升高,能够更早期地诊断脓毒症,且能够一定程度地反映脓毒症严重程度。由此可以推测,HBP对脓毒症的预后判断可能有着重要的意义。
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脓毒症死亡组病人HBP和PCT浓度及APACHEⅡ和SOFA评分均明显高于存活组(P < 0.01)(见表 1)。
分组 n HBP/(μg/L) PCT/(ng/mL) APHCHEⅡ评分/分 SOFA评分/分 存活组 81 56.31±16.9 12.89±5.75 17.37±4.16 5.56±2.38 死亡组 27 144.0±53.87 38.52±18.11 28.48±8.46 13.52±3.91 t — 12.96 11.23 9.04 12.64 P — < 0.01 < 0.01 < 0.01 < 0.01 表 1 2组病人HBP和PCT浓度及APACHEⅡ和SOFA评分比较(x±s)
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APHCHEⅡ评分≥15分的脓毒症病人HBP水平(85.99±51.45)μg/L明显高于APHCHEⅡ评分<15分者(47.90±13.12)μg/L(t=6.13, P < 0.01),SOFA评分≥5分的HBP水平(88.66±53.01)μg/L明显高于SOFA评分<5分者(51.12±15.71)μg/L(t=5.64, P < 0.01)。
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脓毒症病人HBP浓度和PCT评分浓度及APACHEⅡ评分均与SOFA评分呈明显正相关关系(r=0.793、0.735、0.708,P < 0.01)。
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以脓毒症病人的HBP、PCT、APHCHEⅡ评分和SOFA评分为自变量,是否死亡为因变量,进行logistic回归分析。结果显示,HBP、PCT是脓毒症病人死亡的独立危险因素(P < 0.05)(见表 2)。
变量 B SE Wald χ2 P OR(95%CI) HBP 0.076 0.033 5.363 < 0.05 1.079(1.012~1.150) PCT 0.268 0.133 4.084 < 0.05 1.308(1.008~1.696) APHCHEⅡ评分 -0.122 0.104 1.389 >0.05 0.885(0.722~1.084) SOFA评分 0.280 0.178 2.472 >0.05 1.323(0.933~1.875) 表 2 脓毒症病人预后的危险因素分析
肝素结合蛋白水平对脓毒症病人预后的影响
Effect of heparin-binding protein level on prognosis of patients with sepsis
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摘要:
目的探讨血清肝素结合蛋白(HBP)的表达水平对脓毒症病人预后的影响。 方法选取108例脓毒症病人,测定其血清中HBP、降钙素原(PCT)的水平,并进行急性生理与慢性健康(APACHEⅡ)评分以及序贯性器官功能衰竭(SOFA)评分,根据预后将病人分为存活组81例和死亡组27例。比较2组血清HBP和PCT浓度及APACHEⅡ和SOFA评分。分析脓毒症病人HBP和PCT水平及APACHEⅡ和SOFA评分的相关性。logistic回归分析脓毒症病人预后的危险因素。 结果脓毒症死亡组病人HBP和PCT水平及APACHEⅡ和SOFA评分均明显高于存活组(P < 0.01)。APHCHEⅡ评分≥15分的脓毒症病人HBP水平明显高于APHCHEⅡ评分 < 15分者(t=6.13,P < 0.01),SOFA评分≥5分的HBP水平明显高于SOFA评分 < 5分者(t=5.64,P < 0.01)。脓毒症病人HBP和PCT水平及APACHEⅡ和SOFA评分呈明显正相关关系(r=0.793、0.735、0.708,P < 0.01)。logistic回归分析显示,HBP、PCT是脓毒症病人死亡的独立危险因素(P < 0.05)。 结论HBP水平在脓毒症病人中明显升高,是脓毒症病人死亡的独立危险因素,能够一定程度地预测脓毒症病人的不良预后。 Abstract:ObjectiveTo investigate the effect of serum level of heparin-binding protein (HBP) on the prognosis of patients with sepsis. MethodsThe serum levels of HBP and procalcitonin (PCT) were measured, and the acute physiology and chronic health (APACHE Ⅱ) and sequential organ failure (SOFA) scores were evaluated in 108 patients with sepsis.According to the prognosis, the patients were divided into survival group (81 cases) and death group (27 cases).Serum HBP and PCT levels, APACHE Ⅱ and SOFA scores were compared between the two groups.The correlations of HBP and PCT levels, APACHE Ⅱ and SOFA scores were analyzed.Logistic regression analysis was used to analyze the risk factors of prognosis in patients with sepsis. ResultsThe HBP and PCT levels, APACHE Ⅱ and SOFA scores in death group were significantly higher than those in survival group of patients with sepsis (P < 0.01).The HBP level in patients with APACHE Ⅱ score≥15 points was significantly higher than that of patients with APACHE Ⅱ score < 15 points (t=6.13, P < 0.01), and the HBP level in patients with SOFA score ≥5 points was significantly higher than that of patients with SOFA score < 5 points (t=5.64, P < 0.01).The HBP and PCT levels, APACHE Ⅱ and SOFA scores were significantly positively correlated (r=0.793, 0.735, 0.708, P < 0.01).Logistic regression analysis showed that HBP and PCT were independent risk factors of sepsis (P < 0.05). ConclusionsThe level of HBP in patients with sepsis is significantly increased, which is an independent risk factor of death and can predict the prognosis of patients with sepsis to some extent. -
Key words:
- sepsis /
- heparin-binding protein /
- prognosis
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表 1 2组病人HBP和PCT浓度及APACHEⅡ和SOFA评分比较(x±s)
分组 n HBP/(μg/L) PCT/(ng/mL) APHCHEⅡ评分/分 SOFA评分/分 存活组 81 56.31±16.9 12.89±5.75 17.37±4.16 5.56±2.38 死亡组 27 144.0±53.87 38.52±18.11 28.48±8.46 13.52±3.91 t — 12.96 11.23 9.04 12.64 P — < 0.01 < 0.01 < 0.01 < 0.01 表 2 脓毒症病人预后的危险因素分析
变量 B SE Wald χ2 P OR(95%CI) HBP 0.076 0.033 5.363 < 0.05 1.079(1.012~1.150) PCT 0.268 0.133 4.084 < 0.05 1.308(1.008~1.696) APHCHEⅡ评分 -0.122 0.104 1.389 >0.05 0.885(0.722~1.084) SOFA评分 0.280 0.178 2.472 >0.05 1.323(0.933~1.875) -
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