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Respir Med. 2010 Jul;104(7):1035-41. doi: 10.1016/j.rmed.2010.02.008. Epub 2010 Mar 2.

Prevalence and impact of coronary artery disease in idiopathic pulmonary fibrosis.

Author information

1
Inova Transplant Center, Inova Fairfax Hospital, 3300 Gallows Road, Falls Church, VA 22042, USA. steven.nathan@inova.org

Abstract

INTRODUCTION:

Idiopathic Pulmonary Fibrosis (IPF) is a progressive disease with a poor prognosis for which there is no effective medical therapy. An awareness of comorbidities that are treatable and might impact outcomes in these patients is therefore very important. We sought to determine the prevalence of coronary artery disease (CAD) in IPF patients in comparison to a control group of patients with chronic obstructive pulmonary disease (COPD). We also sought to assess the impact of CAD on IPF patient outcomes.

PATIENTS AND METHODS:

IPF and COPD transplant candidates whose work-up included left heart catheterization were categorized as having significant CAD, non-significant CAD or no disease. The risk factor profile and prevalence of CAD in both groups was compared.

RESULTS:

There were 73 IPF and 56 COPD patients. The prevalence of CAD was 65.8% in the IPF group compared to 46.1% in the COPD patients (p<0.028). Significant disease was present in 28.8% of IPF patients vs.16.1% of the COPD patients (p<0.081). Unsuspected significant CAD was found in 18% of IPF patients versus 10.9% of COPD patients (p<0.004). Outcomes of IPF patients with significant CAD was worse than those with no or non-significant disease (p<0.003) with a median survival of 572 days from the time of left heart catheterization.

CONCLUSION:

There is a higher prevalence of CAD in IPF patients compared to a similarly matched COPD group. This increased association appeared to be independent of common coronary artery risk factors. IPF patients with significant CAD appear to have worse outcomes.

PMID:
20199856
DOI:
10.1016/j.rmed.2010.02.008
[Indexed for MEDLINE]
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