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Pediatr Transplant. 2010 Jun;14(4):534-9. doi: 10.1111/j.1399-3046.2009.01268.x. Epub 2010 Jan 4.

Minimal acute rejection in pediatric lung transplantation--does it matter?

Author information

1
Division of Pulmonary Medicine, University Hospital, Zurich, Switzerland. christian_benden@yahoo.de

Abstract

In adult lung transplantation, a single minimal AR episode is a significant predictor of BOS independent of other factors. However, the significance of single minimal AR episodes in children is unknown. A retrospective, multi-center analysis was performed to determine whether isolated single AR episodes are associated with an increased BOS risk in children. Risk factors for BOS, death, or re-transplantation, and a combined outcome of BOS, death, or re-transplantation were assessed. Original data included 577 patients (<21 yr of age). A total of 383 subjects were eligible for the study. Fifteen percent of patients developed BOS, and 13% of patients either died or underwent re-transplant within one-yr post-transplant. In the multivariable survival model for time to BOS, there was no significant risk to developing BOS after a single minimal AR (A1) episode (HR 1.7, 95% CI 0.64-4.8; p=0.28). Even after a second minimal AR episode, no significant risk for BOS was appreciated. However, a single episode of mild AR (A2) was associated with twice the risk of BOS within one-yr post-transplant. In this select cohort, a single minimal AR episode was not associated with an increased risk for BOS within one yr following lung transplantation, in contrast to previous reports in adults.

PMID:
20059725
PMCID:
PMC2888626
DOI:
10.1111/j.1399-3046.2009.01268.x
[Indexed for MEDLINE]
Free PMC Article
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