Predictors of non-referral of patients with cystic fibrosisfor lung transplant evaluation in the United States

Kathleen J. Ramos, Bradley S. Quon, Kevin J. Psoter, Erika D. Lease, Nicole Mayer-Hamblett, Moira L. Aitken, Christopher H. Goss

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Lung transplantation is an intervention that improves survival for adult patients with cystic fibrosis (CF). Some patients with CF are never referred for lung transplant evaluation despite meeting physiologic criteria for referral. Methods: We performed a retrospective analysis of adult patients (≥. 18 years of age) in the Cystic Fibrosis Foundation Patient Registry (CFFPR), eligible for their first evaluation for lung transplantation during the years 2001-2008 based on FEV1 < 30% predicted in two consecutive years. Results: Within the CFFPR, 1240 patients met eligibility criteria. Eight hundred and nine (65.2%) were referred for lung transplant evaluation, and 431 (34.8%) were not referred. In a multivariable model, Medicaid insurance (OR 1.79, 95% CI 1.29-2.47), older age (per 5 year increase; OR 1.25, 95% CI 1.13-1.39), lack of high school graduate education (OR 2.27, 95% CI 1.42-3.64), and Burkholderia cepacia complex sputum culture positivity (OR 2.48, 95% CI 1.50-4.12) were associated with non-referral, while number of pulmonary exacerbations (OR 0.93, 95% CI 0.87-0.99) and supplemental oxygen use (OR 0.59, 95% CI 0.43-0.81) were associated with increased referral. Conclusions: Despite meeting lung function criteria for lung transplant evaluation, 35% of patients with CF had not yet been referred to a lung transplant center. Predictors of non-referral included markers of low socioeconomic status, older age and B. cepacia complex sputum culture. Further work is needed to understand the outcomes for non-referred patients in order to refine referral recommendations in this population.

Original languageEnglish (US)
Pages (from-to)196-203
Number of pages8
JournalJournal of Cystic Fibrosis
Volume15
Issue number2
DOIs
StatePublished - Mar 1 2016

Keywords

  • Cystic fibrosis
  • Lung transplantation
  • Referral

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Pulmonary and Respiratory Medicine

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