Changes of serum hs-CRP, PCT and LDH levels and their correlation with prognosis of patients with acute leukemia and bacterial infection
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摘要: 目的:探索血清高敏C反应蛋白(hs-CRP)、降钙素原(PCT)、乳酸脱氢酶(LDH)水平变化与急性白血病合并细菌感染患者预后的关联性分析。方法:选取2019年1月—2019年12月就诊的急性白血病合并细菌感染患者86例作为感染组,同期单纯白血病且未出现感染患者40例作为对照组。检测血清hs-CRP、PCT、LDH水平,比较2组血清hs-CRP、PCT、LDH水平;感染组治疗前后hs-CRP、PCT、LDH水平;比较不同预后情况hs-CRP、PCT、LDH水平;利用受试者工作特征曲线(ROC)评估血清hs-CRP、PCT、LDH对急性白血病合并细菌感染患者预后的预测价值。结果:感染组血清hs-CRP、PCT、LDH水平显著高于对照组(P<0.05);治疗后感染组血清hs-CRP、PCT、LDH水平与治疗前比较显著降低(P<0.05);持续感染组、感染性休克组、感染性死亡组血清hs-CRP、PCT、LDH水平显著高于恢复组,且感染性死亡组血清hs-CRP、PCT、LDH水平高于持续性感染组(P<0.05);绘制ROC曲线,血清hs-CRP诊断急性白血病合并细菌感染患者预后的AUC为0.762,PCT的AUC为0.718,LDH的AUC为0.706,三者联合诊断的AUC为0.862,高于三者单独诊断的AUC值。结论:血清hs-CRP、PCT、LDH水平联合诊断急性白血病合并细菌感染患者预后效能较高,可作为指导临床治疗指标。Abstract: Objective: To explore the changes in levels of serum high-sensitivity C-reactive protein(hs-CRP), procalcitonin(PCT) and lactate dehydrogenase(LDH) and their correlation with prognosis of patients with acute leukemia and bacterial infection.Methods: During the period from January to December 2019, 86 patients with acute leukemia and bacterial infection were enrolled as infection group, while another 40 patients only with leukemia were enrolled as control group. The levels of serum hs-CRP, PCT and LDH were measured. The levels of serum hs-CRP, PCT and LDH between the two groups, in infection group before and after treatment, as well as among patients with different prognosis were compared. The predictive value of serum hs-CRP, PCT and LDH for prognosis was evaluated by receiver operating characteristic(ROC) curves.Results: The levels of serum hs-CRP, PCT and LDH in infection group were significantly higher than those in control group(P<0.05). After treatment, levels of serum hs-CRP, PCT and LDH in infection group were significantly decreased(P<0.05). The levels of serum hs-CRP, PCT and LDH in persistent infection group, infectious shock group and infectious death group were significantly higher than those in recovery group, which were higher in infectious death group than persistent infection group(P<0.05). ROC curves were drew. AUC values of serum hs-CRP, PCT and LDH for diagnosis of prognosis in patients with acute leukemia and bacterial infection were 0.762, 0.718 and 0.706, respectively. AUC of their combined diagnosis was 0.862, higher than that of single index.Conclusion: The diagnostic efficiency of serum hs-CRP combined with PCT and LDH was higher for the diagnosis of prognosis in the patients with acute leukemia and bacterial infection, which could be applied as indexes to guide clinical treatment.
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Key words:
- leukemia infection /
- hs-CRP /
- PCT /
- LDH /
- prognosis
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