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Current status of High-risk Smokers Participating in Population-based National Lung Cancer Screening Program in Korea
Journal of Thoracic Oncology ; 17(9):S173-S174, 2022.
Article in English | EMBASE | ID: covidwho-2031509
ABSTRACT

Introduction:

Following assessment of the effectiveness and feasibility based on the results from a two-year population-based nationwide prospective multi-center trial, the Korean government implemented a national lung cancer screening program using low-dose computed tomography (LDCT) for high-risk smokers in 2019.

Methods:

National Health Insurance Corporation selected high risk targets who are current smokers aged 54 to 74 years with 30 packs per year or more smoking history on the basis of national health-screening database. (Figure 1). Those eligible were offered lung cancer screening by invitation letters in every two years. Screening units provide LDCT using radiation less than 3mGy by at least 16-row multi-detector CT scanners. Screening results were reported by Lung Imaging Reporting and Data System (Lung-RADS). The examinee received results by mail or e-mail;after then, counseling on results and mandatory smoking cessation counselling were provided by certified doctors. National Cancer Center monitored participation rates, post-counseling rates and statistics of screening result for quality control. Screening positive rate is defined as proportion of Lung-RADS category 3 and 4 nodules.

Results:

The participation rate gradually increased from 24.8% among 332,244 eligible targets in 2019, 25.9% in 2020, to 38.7% among 310,260 targets in 2021, however, the proportion of examinees who participated in post-counseling decreased from 46.3% in 2019 to 32.7% in 2021 due to the COVID-19 pandemic (Figure 2). The positive rates slightly decreased from 9.2% in 2019 to 8.7% in 2021. The variation in positive rates of screening units showed a tendency to decrease (in 2019, the 1st quartile was 4.3%, and the 3rd quartile was 12.9%;and in 2021, 5.2% and 12.5% respectively).

Conclusions:

National lung cancer screening program has been implemented successfully in Korea with controlling screening positive rates not so high. Controlling false negatives and strengthening post-screening management including smoking cessation counselling needs to improve. [Formula presented] [Formula presented] Keywords National Lung Cancer Screening, Quality control
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Full text: Available Collection: Databases of international organizations Database: EMBASE Type of study: Prognostic study Language: English Journal: Journal of Thoracic Oncology Year: 2022 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: EMBASE Type of study: Prognostic study Language: English Journal: Journal of Thoracic Oncology Year: 2022 Document Type: Article