期刊
ACR OPEN RHEUMATOLOGY
卷 4, 期 7, 页码 596-602出版社
WILEY
DOI: 10.1002/acr2.11434
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资金
- NIH/National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) [K23-AR075112]
- US Department of Defense [W81XWH-16-1-0296]
- NIH/NIAMS [K24-AR-063120, R01-AR070470, R01-AR-073284, K23-AR-067889]
- Scleroderma Research Foundation (SRF)
- Boehringer Ingelheim
- Actelion Pharmaceuticals US, Inc (a Janssen Pharmaceutical Company of JJ)
This study investigated the HRCT ordering practices at SSc centers in the United States and identified patient characteristics associated with HRCT performance. The majority of patients with SSc underwent HRCT, and a positive anti-centromere antibody was inversely associated with HRCT performance.
Objective Although a high-resolution computed tomography (HRCT) scan of the chest is the gold standard test for the detection of interstitial lung disease (ILD), there is no consensus among rheumatologists regarding the use of HRCT to screen for ILD in their patients with systemic sclerosis (SSc). The aims of this study were to describe the HRCT ordering practices at SSc centers in the United States and to determine which patient characteristics are associated with HRCT performance. Methods We performed a prospective cohort study of patients with SSc enrolled in the US-based Collaborative National Quality and Efficacy Registry (CONQUER). We performed univariate logistic regression followed by multivariable logistic regression to determine which patient characteristics were associated with HRCT performance. Results Of the 356 patients with SSc enrolled in CONQUER, 286 (80.3%) underwent HRCT at some point during their disease course. On multivariable analyses, missing total lung capacity percent predicted (odds ratio [OR] 3.26, 95% confidence interval [CI]: 1.53-7.41, P = 0.007) was positively associated with ever having undergone HRCT, whereas a positive anti-centromere antibody (OR 0.27, 95% CI: 0.12-0.61, P = 0.008) and missing forced vital capacity percent predicted (OR 0.29, 95% CI: 0.10-0.80, P = 0.005) were negatively associated with ever having undergone HRCT. There was a trend toward a positive association between crackles on pulmonary exam and ever having undergone HRCT (OR 2.28, 95% CI: 0.97-6.05, P = 0.058), although this relationship did not reach statistical significance. Conclusion The majority of patients with SSc enrolled in CONQUER underwent HRCT. A positive anti-centromere antibody was the key clinical variable inversely associated with performance of HRCT.
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