The clinical significance of plasma PTX3 in patients with secondary hemophagocytic lymphohistiocytosis
10.3760/cma.j.cn112138-20191112-00745
- VernacularTitle:PTX3在继发性噬血细胞性淋巴组织细胞增多症中的表达及临床意义分析
- Author:
Lingling LIU
1
;
Hongxia QIU
;
Ji XU
;
Limin DUAN
;
Tian TIAN
;
Jujuan WANG
;
Xin GAO
;
Guangli YIN
;
Jiayu HUANG
;
Wanying CHENG
Author Information
1. 南京医科大学第一附属医院 江苏省人民医院血液科，南京 210029
- From:
Chinese Journal of Internal Medicine
2020;59(7):528-534
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To investigate the significance of plasma pentraxin 3 (PTX3) in patients with secondary hemophagocytic lymphohistiocytosis (sHLH).Methods:Plasma PTX3 levels were tested by ELISA in 48 newly diagnosed sHLH patients, 18 healthy volunteers and 9 lymphoma controls in the First Affiliated Hospital of Nanjing Medical University from January 2017 to July 2019. Clinical parameters were collected, and the correlations with PTX3 levels were analyzed.Results:PTX3 level in newly diagnosed group was significantly higher than that of healthy control group [16.29(1.17-66.00) vs. 0.76(0.01-7.86) μg/L, P<0.01]. Patients with lymphoma-associated HLH(LHLH) had higher plasma level of PTX3 than Fhose with infection-associated HLH (IHLH) [24.29(3.36-66.00) vs. 9.56(1.17-36.50)μg/L, P<0.05]. Plasma PTX3 levels in 48 sHLH patients were positively correlated with serum ferritin ( P<0.05). Receiver operating characteristic (ROC) curve for plasma PTX3 levels of sHLH and healthy controls produced a cutoff value at 3.9 μg/L, with its 86.7% sensitivity and 94.4% specificity. And ROC analysis showed that PTX3 17.5 μg/L was the critical value for diagnosis of LHLH from non-LHLH group, that the sensitivity and specificity were 63.0% and 76.2% respectively. The 1-year overall survival (OS) rate in patients with PTX3≥17.5 μg/L was significantly lower in those with PTX3<17.5 μg/L (18.5% vs. 75.8%, P<0.01). Conclusion:These results indicate the potential of PTX3 as a biomarker for diagnosis and prognosis in patients with sHLH.
