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. 2018 Jun;26(3):671-677.
doi: 10.7534/j.issn.1009-2137.2018.03.007.

[Values of Procalcitonin for Predicting Outcome of Infection in Acute Leukemia Patients with Bacterial Bloodstream Infection]

[Article in Chinese]
Run-Xia Gu  1 , Hui Wei  1 , Ying Wang  1 , Dong Lin  1 , Qing-Song Lin  1 , Bing-Cheng Liu  1 , Chun-Lin Zhou  1 , Kai-Qi Liu  1 , Jian-Xiang Wang  1 , Ying-Chang Mi  2
Affiliations

[Values of Procalcitonin for Predicting Outcome of Infection in Acute Leukemia Patients with Bacterial Bloodstream Infection]

[Article in Chinese]
Run-Xia Gu et al. Zhongguo Shi Yan Xue Ye Xue Za Zhi. 2018 Jun.

Abstract

Objective: To investigate the effects of serum procalcitonin(PCT) levels for predicting the outcome of bacteria bloodstream infection in acute leukemia patients.

Methods: Clinical data from 236 patients with acute leukemia accompanied by bacterial bloodstream infection during July 2014 to November 2017 were retrospectively analyzed, 236 patients were divided into 5 groups (<0.05 ng/ml, 0.05- <0.5 ng/ml, 0.5- <2.0 ng/ml, 2.0- <10.0 ng/ml and >10.0 ng/ml) according to PCT concentrations.

Results: The median age of patients was 40(13-73) years old. The male 123 cases(52.1%) and female 113 cases(47.9%) in 236 patients. The incidence of infection-related dealth in 5 groups was 0%, 1.4%, 13.8%, 25.0% and 33.3%, respectively; the incidence of septic shock and other serious complications in 5 groups was 0%, 2.1%, 13.8%, 25.0%, 33.3% and 6.4%, 7.0%, 24.1%, 41.7%, 50.0%, respectively, showing the concentration dependent manner and statistically significant difference (u=2127, P=0.000; u=2234, P=0.000; u=4102, P=0.000). Further analysis showed that with the increase of PCT concentration, the cumulative incidence of septic shock, infection-related death and other serious complications was gradually increased with statistically significance (HR=2.887, P=0.000, 95%CI:1.960-4.260; HR=3.158, P=0.000, 95%CI: 2.100-4.740; HR=2.158, P=0.000, 95%CI:1.550-3.000) respectively. Increased procalcitonin level is an independent risk factor for septic shock and infection-related death (HR=2.517, P=0.000, 95%CI: 1.520-4.168; HR=2.881, P=0.000, 95%CI: 1.692-4.904)respectively.

Conclusion: Serum procalcitonin level positively correlates with the incidence of serious bacteria bloodstream infection complications in the patients with acute leukemia. Increased procalcitonin level is an independent risk factor for septic shock and infection-related death, indicating that procalcitonin may be an important prognostic factor for infection outcome in acute leukemia patients with bacteremia.

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