Epidemiology of viral infections among children undergoing hematopoietic stem cell transplant: Α prospective single-center study.
Adenoviridae Infections
/ epidemiology
Adolescent
Child
Child, Preschool
Cytomegalovirus Infections
/ epidemiology
DNA, Viral
/ blood
Epstein-Barr Virus Infections
/ epidemiology
Female
Hematopoietic Stem Cell Transplantation
/ adverse effects
Humans
Infant
Male
Prospective Studies
Risk Factors
Transplantation, Homologous
/ adverse effects
Viral Load
Virus Activation
Virus Diseases
/ epidemiology
children
hematopoietic stem cell transplant
risk factors
viral infections
Journal
Transplant infectious disease : an official journal of the Transplantation Society
ISSN: 1399-3062
Titre abrégé: Transpl Infect Dis
Pays: Denmark
ID NLM: 100883688
Informations de publication
Date de publication:
Aug 2019
Aug 2019
Historique:
received:
21
09
2018
revised:
09
03
2019
accepted:
25
03
2019
pubmed:
18
4
2019
medline:
18
12
2019
entrez:
18
4
2019
Statut:
ppublish
Résumé
Viral infections are a significant cause of morbidity and mortality in pediatric transplant populations. We analyzed the epidemiology of viral infections in pediatric hematopoietic stem cell transplant (HSCT) patients, including their incidence, associated risk factors, and outcome. In a prospective study from September 2011 to September 2015, blood, urine, and stool specimens were monitored weekly from transplantation to day 100 or after if clinically suspected, by use of real-time polymerase chain reaction. Cytomegalovirus (CMV), Epstein-Barr virus (EBV), BK polyomavirus (BKV), Herpes simplex virus-1,2, Varicella zoster virus, Human herpes virus-6,7, and Adenovirus infections were monitored. All children and adolescents who underwent HSCT received long-term follow up in the regular outpatient clinics (range 2-48 months). A total of 192 HSCTs (autologous/allogeneic: 53/139) were performed in 165 subjects (median age: 5.6 years). Viruses most commonly isolated were CMV (46.1%), BKV (25.9%) and EBV (22.6%) and were more frequent in allogeneic versus autologous transplants (P < 0.05). Almost all high-risk allogeneic recipients developed EBV infections post-HSCT. EBV-PTLD was the only cause of death among those who developed viral disease. The factors significantly associated with the development of viral infections were recipient's advanced age, unrelated donor, mismatched graft and use of peripheral blood stem cells grafts. Viral infections were common among our pediatric recipients. Data suggest that monitoring of viral load may be significant to the prevention of viral disease. Particular demographic and transplantation characteristics were associated with the development of viral infections post-HSCT.
Sections du résumé
BACKGROUND
BACKGROUND
Viral infections are a significant cause of morbidity and mortality in pediatric transplant populations. We analyzed the epidemiology of viral infections in pediatric hematopoietic stem cell transplant (HSCT) patients, including their incidence, associated risk factors, and outcome.
METHODS
METHODS
In a prospective study from September 2011 to September 2015, blood, urine, and stool specimens were monitored weekly from transplantation to day 100 or after if clinically suspected, by use of real-time polymerase chain reaction. Cytomegalovirus (CMV), Epstein-Barr virus (EBV), BK polyomavirus (BKV), Herpes simplex virus-1,2, Varicella zoster virus, Human herpes virus-6,7, and Adenovirus infections were monitored. All children and adolescents who underwent HSCT received long-term follow up in the regular outpatient clinics (range 2-48 months).
RESULTS
RESULTS
A total of 192 HSCTs (autologous/allogeneic: 53/139) were performed in 165 subjects (median age: 5.6 years). Viruses most commonly isolated were CMV (46.1%), BKV (25.9%) and EBV (22.6%) and were more frequent in allogeneic versus autologous transplants (P < 0.05). Almost all high-risk allogeneic recipients developed EBV infections post-HSCT. EBV-PTLD was the only cause of death among those who developed viral disease. The factors significantly associated with the development of viral infections were recipient's advanced age, unrelated donor, mismatched graft and use of peripheral blood stem cells grafts.
CONCLUSIONS
CONCLUSIONS
Viral infections were common among our pediatric recipients. Data suggest that monitoring of viral load may be significant to the prevention of viral disease. Particular demographic and transplantation characteristics were associated with the development of viral infections post-HSCT.
Substances chimiques
DNA, Viral
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e13095Informations de copyright
© 2019 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.
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