期刊
RADIOLOGY
卷 304, 期 3, 页码 694-701出版社
RADIOLOGICAL SOC NORTH AMERICA (RSNA)
DOI: 10.1148/radiol.212584
关键词
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资金
- National Institutes of Health (NIH) [K08 HL140087]
- Japan Society for the Promotion of Science KAKENHI [JP21K07672, JP21H03840, JP20gk0110051]
- NIH [R01CA203636, U01CA209414, R01HL111024, R01CA240592, U01HL089897, U01 HL089856, RO1HL111024, R01HL130974, R01HL135142, 5U01CA209414]
- National Heart, Lung, and Blood Institute [U01 HL089856, R01HL135142, U01 HL089897, R01 HL116473, R01 HL122464, R01HL149861, R01HL137927, R01HL147148, 2R01HL111024, 1R01HL130974]
- COPD Foundation
- AstraZeneca
- Bayer Pharmaceuticals
- Boehringer-Ingelheim
- Genentech
- GlaxoSmithKline
- Novartis
- Pfizer
- Sunovion
This study investigated the association of traction bronchiectasis/bronchiolectasis index (TBI) with mortality and clinical outcomes in individuals with interstitial lung abnormalities (ILA) using the COPDGene cohort. The results showed that TBI was associated with poorer clinical outcomes and shorter survival, particularly TBI-2 and 3.
Background: The clinical impact of interstitial lung abnormalities (ILAs) on poor prognosis has been reported in many studies, but risk stratification in ILA will contribute to clinical practice. Purpose: To investigate the association of traction bronchiectasis/bronchiolectasis index (TBI) with mortality and clinical outcomes in individuals with ILA by using the COPDGene cohort. Materials and Methods: This study was a secondary analysis of prospectively collected data. Chest CT scans of participants with ILA for traction bronchiectasis/bronchiolectasis were evaluated and outcomes were compared with participants without ILA from the COPDGene study (January 2008 to June 2011). TBI was classified as follows: TBI-0, ILA without traction bronchiectasis/bronchiolectasis; TBI-1, ILA with bronchiolectasis but without bronchiectasis or architectural distortion; TBI-2, ILA with mild to moderate traction bronchiectasis; and TBI-3, ILA with severe traction bronchiectasis and/or honeycombing. Clinical outcomes and overall survival were compared among the TBI groups and the non-ILA group by using multivariable linear regression model and Cox proportional hazards model, respectively. Results: Overall, 5295 participants (median age, 59 years; IQR, 52-66 years; 2779 men) were included, and 582 participants with ILA and 4713 participants without ILA were identified. TBI groups were associated with poorer clinical outcomes such as quality of life scores in the multivariable linear regression model (TBI-0: coefficient, 3.2 [95% CI: 0.6, 5.7; P=.01]; TBI-1: coefficient, 3.3 [95% CI: 1.1, 5.6; P=.003]; TBI-2: coefficient, 7.6 [95% CI: 4.0, 11; P<.001]; TBI-3: coefficient, 32 [95% CI: 17, 48; P<.001]). The multivariable Cox model demonstrated that ILA without traction bronchiectasis (TBI-0-1) and with traction bronchiectasis (TBI-2-3) were associated with shorter overall survival (TBI-0-1: hazard ratio [HR], 1.4 [95% CI: 1.0, 1.9; P=.049]; TBI-2-3: HR, 3.8 [95% CI: 2.6, 5.6; P<.001]). Conclusion: Traction bronchiectasis/bronchiolectasis was associated with poorer clinical outcomes compared with the group without interstitial lung abnormalities; TBI-2 and 3 were associated with shorter survival. (C) RSNA, 2022
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