Effect of Etiology and Timing of Respiratory Tract Infections on Development of Bronchiolitis Obliterans Syndrome

Vincent G. Valentine, Meera R. Gupta, James E. Walker, Leonardo Seoane, Ryan W. Bonvillain, Gisele A. Lombard, David Weill, Gundeep S. Dhillon

Research output: Contribution to journalArticle

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Abstract

Background: Among the many potential risk factors influencing the development of bronchiolitis obliterans syndrome (BOS), acute cellular rejection is the most frequently identified. Despite the unique susceptibility of the lung allograft to pathogens, the association with respiratory tract infections remains unclear. In this study we analyze the role respiratory tract infections have on the development of BOS after lung transplantation. Methods: Data from a single center were analyzed from 161 lung recipients transplanted from November 1990 to November 2005, and who survived >180 days. Univariate and multivariate Cox regression analyses were performed using BOS development and the time-scale was reported with hazard ratios (HRs) and confidence intervals (CIs). Results: Significant findings by univariate analysis per 100 patient-days prior to BOS onset included acute rejection, cytomegalovirus (CMV) pneumonitis, Gram-negative respiratory tract infections, Gram-positive respiratory tract infections and fungal pneumonias. Multivariate analysis indicated acute rejection, Gram-negative, Gram-positive and fungal pneumonias with HRs (CI) of 84 (23 to 309), 6.6 (1.2 to 37), 6,371 (84 to 485,000) and 314 (53 to 1,856) to be associated with BOS, respectively. Acute rejection, CMV pneumonitis, Gram-positive pneumonia and fungal pneumonitis in the first 100 days had HRs (CI) of 1.8 (1.1 to 3.2), 3.1 (1.3 to 6.9), 3.8 (1.5 to 9.4) and 2.1 (1.1 to 4.0), respectively, and acute rejection and fungal pneumonitis in the late post-operative period with HRs (CI) of 2.3 (1.2 to 4.4) and 1.5 (1.1 to 1.9), respectively. Conclusions: In addition to acute rejection, pneumonias with GP, GN and fungal pathogens occurring prior to BOS are independent determinants of chronic allograft dysfunction. Early recognition and treatment of these pathogens in lung transplant recipients may improve long-term outcomes after transplantation.

Original languageEnglish (US)
Pages (from-to)163-169
Number of pages7
JournalJournal of Heart and Lung Transplantation
Volume28
Issue number2
DOIs
StatePublished - Feb 2009

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Bronchiolitis Obliterans
Respiratory Tract Infections
Pneumonia
Confidence Intervals
Cytomegalovirus
Lung
Allografts
Lung Transplantation
Multivariate Analysis
Transplantation
Regression Analysis

ASJC Scopus subject areas

  • Transplantation
  • Cardiology and Cardiovascular Medicine
  • Pulmonary and Respiratory Medicine
  • Surgery

Cite this

Valentine, V. G., Gupta, M. R., Walker, J. E., Seoane, L., Bonvillain, R. W., Lombard, G. A., ... Dhillon, G. S. (2009). Effect of Etiology and Timing of Respiratory Tract Infections on Development of Bronchiolitis Obliterans Syndrome. Journal of Heart and Lung Transplantation, 28(2), 163-169. https://doi.org/10.1016/j.healun.2008.11.907

Effect of Etiology and Timing of Respiratory Tract Infections on Development of Bronchiolitis Obliterans Syndrome. / Valentine, Vincent G.; Gupta, Meera R.; Walker, James E.; Seoane, Leonardo; Bonvillain, Ryan W.; Lombard, Gisele A.; Weill, David; Dhillon, Gundeep S.

In: Journal of Heart and Lung Transplantation, Vol. 28, No. 2, 02.2009, p. 163-169.

Research output: Contribution to journalArticle

Valentine, VG, Gupta, MR, Walker, JE, Seoane, L, Bonvillain, RW, Lombard, GA, Weill, D & Dhillon, GS 2009, 'Effect of Etiology and Timing of Respiratory Tract Infections on Development of Bronchiolitis Obliterans Syndrome', Journal of Heart and Lung Transplantation, vol. 28, no. 2, pp. 163-169. https://doi.org/10.1016/j.healun.2008.11.907
Valentine, Vincent G. ; Gupta, Meera R. ; Walker, James E. ; Seoane, Leonardo ; Bonvillain, Ryan W. ; Lombard, Gisele A. ; Weill, David ; Dhillon, Gundeep S. / Effect of Etiology and Timing of Respiratory Tract Infections on Development of Bronchiolitis Obliterans Syndrome. In: Journal of Heart and Lung Transplantation. 2009 ; Vol. 28, No. 2. pp. 163-169.
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AU - Valentine, Vincent G.

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AU - Seoane, Leonardo

AU - Bonvillain, Ryan W.

AU - Lombard, Gisele A.

AU - Weill, David

AU - Dhillon, Gundeep S.

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N2 - Background: Among the many potential risk factors influencing the development of bronchiolitis obliterans syndrome (BOS), acute cellular rejection is the most frequently identified. Despite the unique susceptibility of the lung allograft to pathogens, the association with respiratory tract infections remains unclear. In this study we analyze the role respiratory tract infections have on the development of BOS after lung transplantation. Methods: Data from a single center were analyzed from 161 lung recipients transplanted from November 1990 to November 2005, and who survived >180 days. Univariate and multivariate Cox regression analyses were performed using BOS development and the time-scale was reported with hazard ratios (HRs) and confidence intervals (CIs). Results: Significant findings by univariate analysis per 100 patient-days prior to BOS onset included acute rejection, cytomegalovirus (CMV) pneumonitis, Gram-negative respiratory tract infections, Gram-positive respiratory tract infections and fungal pneumonias. Multivariate analysis indicated acute rejection, Gram-negative, Gram-positive and fungal pneumonias with HRs (CI) of 84 (23 to 309), 6.6 (1.2 to 37), 6,371 (84 to 485,000) and 314 (53 to 1,856) to be associated with BOS, respectively. Acute rejection, CMV pneumonitis, Gram-positive pneumonia and fungal pneumonitis in the first 100 days had HRs (CI) of 1.8 (1.1 to 3.2), 3.1 (1.3 to 6.9), 3.8 (1.5 to 9.4) and 2.1 (1.1 to 4.0), respectively, and acute rejection and fungal pneumonitis in the late post-operative period with HRs (CI) of 2.3 (1.2 to 4.4) and 1.5 (1.1 to 1.9), respectively. Conclusions: In addition to acute rejection, pneumonias with GP, GN and fungal pathogens occurring prior to BOS are independent determinants of chronic allograft dysfunction. Early recognition and treatment of these pathogens in lung transplant recipients may improve long-term outcomes after transplantation.

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