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Prognostic impact of the ratio of the main pulmonary artery to that of the aorta on chest computed tomography in patients with idiopathic pulmonary fibrosis

Authors
 Ji Soo Choi  ;  Sang Hoon Lee  ;  Ah. Young Leem  ;  Joo Han Song  ;  Kyung Soo Chung  ;  Ji Ye Jung  ;  Young Ae Kang  ;  Moo Suk Park  ;  Young Sam Kim  ;  Joon Chang  ;  Song Yee Kim 
Citation
 BMC PULMONARY MEDICINE, Vol.19(1) : 81, 2019 
Journal Title
 BMC PULMONARY MEDICINE 
Issue Date
2019
Keywords
Idiopathic pulmonary fibrosis ; Prognosis ;  Pulmonary artery
Abstract
BACKGROUND: In many clinical disorders, there is a relationship between the ratio of the diameter of the main pulmonary artery (mPA) to that of the aorta (Ao) on chest computed tomography (CT). The aim of this study was to determine if the mPA/Ao ratio at diagnosis is associated with the clinical characteristics and outcomes in patients with idiopathic pulmonary fibrosis (IPF). METHODS: We retrospectively reviewed the diameters of the pulmonary artery and aorta on chest CT, clinical characteristics, and results of other examinations in 303 patients at the time of initial diagnosis of IPF at our tertiary care center between 2011 and 2015. The primary outcomes were death and lung transplantation. The patients were followed up until June 2017. RESULTS: One hundred and eight patients (35.6%) died and 58 (19.1%) underwent lung transplantation during follow-up. The mean mPA and Ao diameters were 28.3 mm and 34.0 mm, respectively, and the mean mPA/Ao ratio was 0.84. Thirty-one patients (10.2%) had an mPA/Ao ratio > 1.0 and 182 (60.1%) had an mPA/Ao ratio > 0.8. Patients with an mPA/Ao ratio > 0.8 had a lower DLco value than those with an mPA/Ao ratio ≤ 0.8. In Kaplan-Meier analysis, patients with an mPA/Ao ratio > 1.0 or > 0.8 had worse outcomes than those with an mPA/Ao ratio ≤ 1.0 and ≤ 0.8, respectively. CONCLUSIONS: A higher mPA/Ao ratio based on 1.0 and 0.8 is associated with unfavorable prognosis in patients with IPF.
Files in This Item:
T201902077.pdf Download
DOI
10.1186/s12890-019-0843-5
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Young Ae(강영애) ORCID logo https://orcid.org/0000-0002-7783-5271
Kim, Song Yee(김송이) ORCID logo https://orcid.org/0000-0001-8627-486X
Kim, Young Sam(김영삼) ORCID logo https://orcid.org/0000-0001-9656-8482
Park, Moo Suk(박무석) ORCID logo https://orcid.org/0000-0003-0820-7615
Song, Joo Han(송주한)
Lee, Sang Hoon(이상훈) ORCID logo https://orcid.org/0000-0002-7706-5318
Leem, Ah Young(임아영) ORCID logo https://orcid.org/0000-0001-5165-3704
Chang, Joon(장준) ORCID logo https://orcid.org/0000-0003-4542-6841
Jung, Kyung Soo(정경수) ORCID logo https://orcid.org/0000-0003-1604-8730
Jung, Ji Ye(정지예) ORCID logo https://orcid.org/0000-0003-1589-4142
Choi, Ji Soo(최지수) ORCID logo https://orcid.org/0000-0003-2716-6775
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/170316
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