Diagnosis of Post-Hematopoietic Stem Cell Transplantation Bronchiolitis Obliterans Syndrome in Children: Time for a Rethink?
- PMID: 38897861
- PMCID: PMC11393806
- DOI: 10.1016/j.jtct.2024.05.012
Diagnosis of Post-Hematopoietic Stem Cell Transplantation Bronchiolitis Obliterans Syndrome in Children: Time for a Rethink?
Erratum in
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Corrigendum to Diagnosis of post-hematopoietic stem cell transplant bronchiolitis obliterans syndrome in children: time for a rethink? Transplantation and Cellular Therapy. 2024 Aug;30(8):760-769.Transplant Cell Ther. 2025 Jun 16:S2666-6367(25)01172-8. doi: 10.1016/j.jtct.2025.05.009. Online ahead of print. Transplant Cell Ther. 2025. PMID: 40518130 Free PMC article. No abstract available.
Abstract
Hematopoietic stem cell transplantation (HSCT) is undertaken in children with the aim of curing a range of malignant and nonmalignant conditions. Unfortunately, pulmonary complications, especially bronchiolitis obliterans syndrome (BOS), are significant sources of morbidity and mortality post-HSCT. Currently, criteria developed by a National Institutes of Health (NIH) working group are used to diagnose BOS in children post-HSCT. Unfortunately, during the development of a recent American Thoracic Society (ATS) Clinical Practice Guideline on this topic, it became apparent that the NIH criteria have significant limitations in the pediatric population, leading to late diagnosis of BOS. Specific limitations include use of an outdated pulmonary function testing reference equation, a reliance on spirometry, use of a fixed forced expiratory volume in 1 second (FEV1) threshold, focus on obstructive defects defined by FEV1/vital capacity, and failure to acknowledge that BOS and infection can coexist. In this review, we summarize the evidence regarding the limitations of the current criteria. We also suggest potential evidence-based ideas for improving these criteria. Finally, we highlight a new proposed criteria for post-HSCT BOS in children that were developed by the authors of the recently published ATS clinical practice guideline, along with a pathway forward for improving timely diagnosis of BOS in children post-HSCT.
Keywords: bronchiolitis obliterans; bronchiolitis obliterans syndrome; pediatrics; stem cell transplantation.
Copyright © 2024 The American Society for Transplantation and Cellular Therapy. Published by Elsevier Inc. All rights reserved.
References
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- Duncan CN, Buonanno MR, Barry EV, Myers K, Peritz D, Lehmann L. Bronchiolitis obliterans following pediatric allogeneic hematopoietic stem cell transplantation. Bone Marrow Transplant. 2008;41(11):971–5. - PubMed
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- Yoon JS, Chun YH, Lee JW, Chung NG, Cho B. Value of Screening Spirometry for Early Diagnosis of Bronchiolitis Obliterans Syndrome in Children After Allogeneic Hematopoietic Stem Cell Transplantation. J Pediatr Hematol Oncol. 2015;37(8):e462–7. - PubMed
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