Vaccine-preventable disease following allogeneic haematopoietic stem cell transplant in Western Australia

Anne L. Ryan, Fiona Kerr, Hazel Gough, Tina L. Carter, Rishi S. Kotecha

Research output: Contribution to journalArticle

Abstract

Aim: Infection is an important and frequent cause of mortality and morbidity following allogeneic haematopoietic stem cell transplantation (HSCT). This study was conducted to determine the epidemiology and clinical phenotype of vaccine-preventable disease in children who have undergone HSCT following the implementation of a standard revaccination programme. Methods: Children receiving first allogeneic HSCT in Western Australia between January 2005 and December 2014 were eligible for recruitment. Patients received standard antimicrobial prophylaxis and were vaccinated according to the West Australian post-HSCT immunisation schedule, commencing 6 months following HSCT. Children who developed any illness post-HSCT were reviewed, and investigations for infectious disease were undertaken as clinically indicated. Positive identification of vaccine-preventable disease was documented with the clinical course of the illness. Results: A total of 71 patients were enrolled in the study. The overall incidence of vaccine-preventable disease following HSCT was 19.7%; influenza accounted for 50% of all cases, herpes zoster for 42.9%. All episodes occurred late, beyond day 100 post-HSCT. Overall survival for matched-sibling donor transplants was 83.3 and 75.0% at 1 and 5 years, respectively, and was 72.3 and 63.3% for alternative donor transplants. Mortality due to vaccine-preventable disease was low, with one death from disseminated herpes zoster. Conclusions: There is a high incidence of vaccine-preventable morbidity post-allogeneic HSCT in West Australian children. Viral aetiology constitutes the main burden, namely, influenza infection and varicella zoster virus reactivation. Further efforts are required to identify the most appropriate preventative strategies.

Original languageEnglish
Pages (from-to)343-348
Number of pages6
JournalJournal of Paediatrics and Child Health
Volume55
Issue number3
DOIs
Publication statusPublished - 1 Mar 2019

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Western Australia
Hematopoietic Stem Cell Transplantation
Hematopoietic Stem Cells
Vaccines
Transplants
Herpes Zoster
Human Influenza
Tissue Donors
Immunization Schedule
Morbidity
Secondary Immunization
Human Herpesvirus 3
Mortality
Incidence
Infection
Communicable Diseases
Siblings
Epidemiology
Phenotype
Survival

Cite this

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title = "Vaccine-preventable disease following allogeneic haematopoietic stem cell transplant in Western Australia",
abstract = "Aim: Infection is an important and frequent cause of mortality and morbidity following allogeneic haematopoietic stem cell transplantation (HSCT). This study was conducted to determine the epidemiology and clinical phenotype of vaccine-preventable disease in children who have undergone HSCT following the implementation of a standard revaccination programme. Methods: Children receiving first allogeneic HSCT in Western Australia between January 2005 and December 2014 were eligible for recruitment. Patients received standard antimicrobial prophylaxis and were vaccinated according to the West Australian post-HSCT immunisation schedule, commencing 6 months following HSCT. Children who developed any illness post-HSCT were reviewed, and investigations for infectious disease were undertaken as clinically indicated. Positive identification of vaccine-preventable disease was documented with the clinical course of the illness. Results: A total of 71 patients were enrolled in the study. The overall incidence of vaccine-preventable disease following HSCT was 19.7{\%}; influenza accounted for 50{\%} of all cases, herpes zoster for 42.9{\%}. All episodes occurred late, beyond day 100 post-HSCT. Overall survival for matched-sibling donor transplants was 83.3 and 75.0{\%} at 1 and 5 years, respectively, and was 72.3 and 63.3{\%} for alternative donor transplants. Mortality due to vaccine-preventable disease was low, with one death from disseminated herpes zoster. Conclusions: There is a high incidence of vaccine-preventable morbidity post-allogeneic HSCT in West Australian children. Viral aetiology constitutes the main burden, namely, influenza infection and varicella zoster virus reactivation. Further efforts are required to identify the most appropriate preventative strategies.",
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Vaccine-preventable disease following allogeneic haematopoietic stem cell transplant in Western Australia. / Ryan, Anne L.; Kerr, Fiona; Gough, Hazel; Carter, Tina L.; Kotecha, Rishi S.

In: Journal of Paediatrics and Child Health, Vol. 55, No. 3, 01.03.2019, p. 343-348.

Research output: Contribution to journalArticle

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T1 - Vaccine-preventable disease following allogeneic haematopoietic stem cell transplant in Western Australia

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AB - Aim: Infection is an important and frequent cause of mortality and morbidity following allogeneic haematopoietic stem cell transplantation (HSCT). This study was conducted to determine the epidemiology and clinical phenotype of vaccine-preventable disease in children who have undergone HSCT following the implementation of a standard revaccination programme. Methods: Children receiving first allogeneic HSCT in Western Australia between January 2005 and December 2014 were eligible for recruitment. Patients received standard antimicrobial prophylaxis and were vaccinated according to the West Australian post-HSCT immunisation schedule, commencing 6 months following HSCT. Children who developed any illness post-HSCT were reviewed, and investigations for infectious disease were undertaken as clinically indicated. Positive identification of vaccine-preventable disease was documented with the clinical course of the illness. Results: A total of 71 patients were enrolled in the study. The overall incidence of vaccine-preventable disease following HSCT was 19.7%; influenza accounted for 50% of all cases, herpes zoster for 42.9%. All episodes occurred late, beyond day 100 post-HSCT. Overall survival for matched-sibling donor transplants was 83.3 and 75.0% at 1 and 5 years, respectively, and was 72.3 and 63.3% for alternative donor transplants. Mortality due to vaccine-preventable disease was low, with one death from disseminated herpes zoster. Conclusions: There is a high incidence of vaccine-preventable morbidity post-allogeneic HSCT in West Australian children. Viral aetiology constitutes the main burden, namely, influenza infection and varicella zoster virus reactivation. Further efforts are required to identify the most appropriate preventative strategies.

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