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Lookup NU author(s): Professor Christopher WardORCiD
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Because bronchial hyperresponsiveness has been linked to the bronchiolitis obliterans syndrome (BOS), we determined PD20 methacholine (PD 20(M)), PD15 hypertonic saline (PD15(HS)) and their dose-response slopes (DRSM and DRSHS) in 8 single and 18 double lung transplant recipients within 1 year of lung transplantation and examined the relationship to bronchoalveolar lavage cell profiles and subsequent development of BOS. Twenty-two patients (81%) had a positive methacholine and 6 (25%) a positive hypertonic saline challenge. A positive PD15(HS) was associated with an increased risk for BOS at 2 years (odds ratio 12.6, 95% confidence interval 1.3-123.5, p < 0.05), and time to BOS was significantly and negatively related to DRSHS (r = -0.5, p < 0.05) - that is, the greater the response, the shorter the time to BOS. Interestingly, DRSHS correlated positively with recipient:donor total lung capacity ratio (r = 0.5, p < 0.05), but there was no relationship between either challenge result and airway inflammation. Methacholine hyperresponsiveness is common after lung transplantation but is not prognostic, whereas response to hypertonic saline may reflect recipient:donor size matching and provide useful information regarding the potential for BOS development. Copyright © 2005 by the International Society for Heart and Lung Transplantation.
Author(s): Reid DW, Walters EH, Johns DP, Ward C, Burns GP, Liakakos P, Williams TJ, Snell GI
Publication type: Article
Publication status: Published
Journal: Journal of Heart and Lung Transplantation
Year: 2005
Volume: 24
Issue: 4
Pages: 489-492
Print publication date: 01/04/2005
ISSN (print): 1053-2498
ISSN (electronic): 1557-3117
Publisher: Elsevier
URL: http://dx.doi.org/10.1016/j.healun.2004.02.006
DOI: 10.1016/j.healun.2004.02.006
PubMed id: 15797754
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