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Zhonghua Xue Ye Xue Za Zhi. 2014 May;35(5):424-7. doi: 10.3760/cma.j.issn.0253-2727.2014.05.010.

[Clinical study on cytomegalovirus infection after hematopoietic stem cell transplantation in 26 patients with primary immunodeficiency diseases].

[Article in Chinese]

Author information

1
Hematology and Oncology Insitute, Childen's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders, Key Laboratory of Pediatrics in Chongqing, Chongqing International Science and Technology Cooperation Center for Child Development and Disorders, Chongqing 400014, China.

Abstract

OBJECTIVE:

To explore the risk factors, and control measures of cytomegalovirus (CMV) infection after hematopoietic stem cell transplantion (HSCT) in children with primary immunodeficiency diseases(PID).

METHODS:

We retrospectively analyzed results of 26 patients with PID-Wiskott-Aldrich syndrome (WAS, n=20), severe combined immunodeficiency (SCID, n=1) , X-linked chronic granulomatous disease (XCGD, n=2) and X-linked hyper-immunoglobulin M (IgM) syndrome (XHIM, n=3)-who underwent HSCT from June 2007 to December 2012 in our center. Serologic studies (ELISA) and weekly CMV infection surveillance (quantitative PCR, qPCR) were routinely performed before and after HSCT. Ganciclovir or forcarnet was used for pre-emptive and curative therapy.

RESULTS:

All 26 patients were male with the median age at HSCT of 27 months (range 7-77 months). At a median follow up of 24 months (range 5-66 months), the 5-year overall survival rate was (75.0 ± 9.0) %. CMV infection occurred in 42.3% (11 of 26) of the patients, two of them developed CMV interstitial pneumonia (CMVIP). Univariate analysis revealed that the incidence of pre-transplant CMV infection between with and without CMV activation groups after HSCT was significantly different (62.5% vs 10.0%, P=0.010). Additional variables not associated with CMV infection were stem-cell sources, donor type, HLA disparity and acute GVHD (all P values>0.05).

CONCLUSION:

CMV infection was a major complication of HSCT. Sensitive monitoring, early diagnosis, timely treatment may improve the survival rate for these PID undergoing HSCT.

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