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Am J Respir Crit Care Med. 2011 Dec 15;184(12):1390-4. doi: 10.1164/rccm.201101-0138OC. Epub 2011 Jun 23.

Gastroesophageal reflux therapy is associated with longer survival in patients with idiopathic pulmonary fibrosis.

Author information

  • 1Department of Medicine, University of California San Francisco, USA. joyce.lee4@ucsf.edu

Abstract

RATIONALE:

Gastroesophageal reflux (GER) is highly prevalent in patients with idiopathic pulmonary fibrosis (IPF). Chronic microaspiration secondary to GER may play a role in the pathogenesis and natural history of IPF.

OBJECTIVES:

To investigate the relationship between GER-related variables and survival time in patients with IPF.

METHODS:

Regression analysis was used to investigate the relationship between GER-related variables and survival time in a retrospectively identified cohort of patients with well-characterized IPF from two academic medical centers.

MEASUREMENTS AND MAIN RESULTS:

Two hundred four patients were identified for inclusion. GER-related variables were common in this cohort: reported symptoms of GER (34%), a history of GER disease (45%), reported use of GER medications (47%), and Nissen fundoplication (5%). These GER-related variables were significantly associated with longer survival time on unadjusted analysis. After adjustment, the use of GER medications was an independent predictor of longer survival time. In addition, the use of gastroesophageal reflux medications was associated with a lower radiologic fibrosis score. These findings were present regardless of center.

CONCLUSIONS:

The reported use of GER medications is associated with decreased radiologic fibrosis and is an independent predictor of longer survival time in patients with IPF. These findings further support the hypothesis that GER and chronic microaspiration may play important roles in the pathobiology of IPF.

Comment in

PMID:
21700909
[PubMed - indexed for MEDLINE]
PMCID:
PMC3262030
Free PMC Article

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