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KMID : 0311120110520050779
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Yonsei Medical Journal
2011 Volume.52 No. 5 p.779 ~ p.786
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Prognostic Implications of the NIH Consensus Criteria in Children with Chronic Graft-versus-Host Disease
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Lee Jae-Wook
Lee Dae-Hyoung
Jang Pil-Sang
Yi Mi-Sung
Chung Nack-Gyun
Cho Bin
Jeong Dae-Chul
Kim Hack-Ki
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Abstract
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Purpose: In this study, we analyzed a cohort of children with chronic graft-versus-host disease (GvHD) according to the NIH consensus classification (NCC) in order to observe whether global assessment at diagnosis correlates with GvHD-specific endpoints. We then studied the clinical course of these patients, specifically with regards to episodes of GvHD exacerbation requiring treatment escalation.
Materials and Methods: Recipients of either allogeneic bone marrow transplantation (BMT) or peripheral blood stem cell transplantation (PBSCT) from January 2006 to August 2008 at the Department of Pediatrics, The Catholic University of Korea were evaluated for chronic GvHD, which was diagnosed according to the NCC. The course of chronic GvHD in these patients was then followed.
Results: Of 59 evaluable patients, 23 developed chronic GvHD for a cumulative incidence of 39.3%. Upon multivariate analysis, previous acute GvHD (≥grade II) had a significant impact on chronic GvHD incidence. With a median duration of systemic treatment for chronic GvHD of 501 days, no significant relationship was found between initial global severity of chronic GvHD and either duration of immunosuppressive treatment or final clinical response to treatment. Fifteen patients (65%) experienced at least one episode of chronic GvHD exacerbation during the period of follow-up, with a median of four exacerbations in the subgroup of patients who experienced such events. Lung GvHD resulted in the highest number of exacerbations per diagnosed patient, followed by oral GvHD.
Conclusion: Analysis of this small cohort indicates that global assessment as proposed by the NCC may have limited correlations with GvHD-specific endpoints, possibly due to the favorable response of children to treatment.
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KEYWORD
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Chronic GvHD, NIH consensus criteria, children
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