降钙素原在恶性血液病患者中的临床应用
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摘要
恶性血液病患者由于疾病本身、化疗或造血干细胞移植术后,常伴有免疫力低下,易合并各种感染,已成为患者的主要死因之一[1]。感染的常见病原体为细菌、真菌及病毒,约50%以上的感染是由细菌引起的[2]。恶性血液病患者的细菌感染进展快,发展迅速,易合并感染性休克,从而导致多器官、功能脏器的衰竭甚至死亡。早期的病因诊断及治疗对预后至关重要,但短期内明确感染的病原体比较困难。血培养及其他标本阳性率低,病原菌分离、培养时间长,其他生物学指标高敏C反应蛋白(CRP)、白细胞计数特异性较低。近年来,降钙素原(procalcitionin,PCT)在临床上广泛应用,我们主要探讨PCT在恶性血液病患者中诊断及治疗的意义。
patients with hematologic malignancies due to disease, chemotherapy or hematopoietic stem cell transplantation, often accompanied by low immunity, easily merge infection, has become one of the leading cause of death in patients with [1]. The common pathogen infection of bacteria, fungi and virus, about more than 50% of the infections are caused by bacteria [2].Bacterial infection in patients with hematologic malignancies progress fast, development is rapid, easy combination of septic shock, which can lead to multiple organ, the function of organ failure and even death. The cause of early diagnosis and treatment is very important to prognosis, but in the short term it is difficult to clear infection of pathogens. Blood culture positive rate is low, and other specimen pathogen separation, long training time and other biological indicators high-sensitivity c-reactive protein(CRP) and white blood cell count specificity is low. In recent years, calcitonin original(procalcitionin, PCT) are widely used in clinic, we mainly discuss the PCT in the significance of diagnosis and treatment in patients with hematologic malignancies.
引文
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