Clinical value of PCR for viral detection of bronchoalveolar lavage fluid in the diagnosis and treatment of pneumonia after allogeneic hematopoietic stem cell transplantation
10.3760/cma.j.issn.0253-2727.2017.11.006
- VernacularTitle: 肺泡灌洗液病毒检测对造血干细胞移植后肺炎患者临床诊治的意义
- Author:
Yuhong CHEN
1
;
Xueyi LUO
;
Xiaosu ZHAO
;
Zhihong JIANG
;
Yao CHEN
;
Huan CHEN
;
Xiaodong MO
;
Wei HAN
;
Fengrong WANG
;
Jingzhi WANG
;
Chenhua YAN
;
Yuqian SUN
;
Yuanyuan ZHANG
;
Tingting HAN
;
Feifei TANG
;
Haixia FU
;
Shen ZHANG
;
Yu WANG
;
Lanping XU
;
Xiaohui ZHANG
;
Kaiyan LIU
;
Xiaojun HUANG
Author Information
1. Peking University People’s Hospital, Peking University Institute of Hematology, Beijing Key Lab of HSCT, Beijing 100044, China
- Publication Type:Journal Article
- Keywords:
Hematopoietic stem cell transplantation;
Bronchoalveolar lavage;
Pneumonia
- From:
Chinese Journal of Hematology
2017;38(11):934-939
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To analyze the clinical value of real-time PCR for virus detection in the diagnosis and treatment of patients after allo-HSCT who had no infection evidence of pneumonia using routine pathogen detection panel.
Methods:The clinical data of 71 episodes with acute lung injury from May 2015 to March 2017 after allo-HSCT in hematology department of Peking University People’s Hospital (PKUPH) were retrospectively analyzed. PCR for virus detection and other routine pathogen detection tests were performed on bronchoalveolar lavage fluid (BALF) samples.
Results:Among 71 episodes with acute lung injury, a total of 15 patients were diagnosed as lower respiratory tract disease merely associated with virus (detection rate of 21.13%) , 19 episodes were absent of lower respiratory tract infection. The median time from allo-HSCT to the occurrence of lung injury were 176 (49-1 376) d and 196 (57-457) d respectively (z=-0.191, P=0.864) . There were no statistical differences for baseline characteristics and clinical features between two groups. The 100-day attributable mortalities were 13.3% (2/15) and 26.3% (5/19) (χ2=0.864, P=0.426) . Patients with low-dose steroids treatment had favorable outcome than those with high-dose steroids treatment (the dose of methylprednisolone ≥250 mg/d as standard) [4.2% (1/24) vs 60.0% (6/10) ]. In patients with detectable virus in BALF, 2 patients died with early high-dose steroids treatment, while 11 patients survived with no steroids treatment or late application.
Conclusions:Virus infection should be considered in post-HSCT pneumonia patient with negative result using routine pathogen detection panel. Expanding virus detection panel by PCR in BALF could increase diagnostic precision and might be instructive to treatment.
