https://doi.org/10.4081/monaldi.2022.2284
Role of low dose computed tomography on lung cancer detection and mortality - an updated systematic review and meta-analysis
Submitted: April 2, 2022
Accepted: May 30, 2022
Published: June 21, 2022
Accepted: May 30, 2022
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Supplementary: 89
Supplementary: 89
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All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.
Authors
Chest low dose computed tomography (LDCT) is reported to be a sensitive tool for the detection of lung cancer at asymptomatic stage, thus reducing mortality. The review assesses the effect of LDCT screening on all-cause mortality, lung cancer mortality and incidence rates. We conducted literature searches of PubMed, SCOPUS, and the Cochrane Library from inception through January 2020 to identify relevant studies assessing the diagnostic accuracy of LDCT for lung cancer. We used Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines for reporting this meta-analysis and review. The inclusion criteria were a) Randomized control trials, b) Comparing LDCT to any other form of screening or standard of care, and (c) Primary outcome studied: all-cause mortality, lung cancer-specific mortality, rate of early detection of lung cancer. A total of 11 studies encompassing 97,248 patients were included. When compared with controls (no screening or CXR), LDCT screening was associated with statistically significant reduction in lung cancer mortality (pooled RR 0.86; 95% CI 0.75-0.98); low heterogeneity was observed (I2= 27.86). However, LDCT screening was not associated with statistically significant reduction in all-cause mortality (RR =0.96; 95% CI: 0.92 -1.01). Notably, the LDCT screening was associated with statistically significant increase in lung cancer detection (RR =1.76; 95% CI: 1.14-2.72). LDCT screening has the potential to reduce mortality due to lung cancer among high-risk individuals. LDCT could be considered as a screening modality after careful assessment of other factors like prevalence of TB, proportion of high-risk population, cost, access and availability of LDCT.
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How to Cite
Agrawal, Sumita, Akhil Dhanesh Goel, Nitesh Gupta, and Ayush Lohiya. 2022. “Role of Low Dose Computed Tomography on Lung Cancer Detection and Mortality - an Updated Systematic Review and Meta-Analysis”. Monaldi Archives for Chest Disease 93 (1). https://doi.org/10.4081/monaldi.2022.2284.
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