Individuals with extensive smoking history have 2- to 3-fold increased risk of dying prematurely compared to age- and gender-matched peers. Historical data indicate that 55% of heavy smokers will die from cardiovascular disease (CVD), while approximately 5% will die from lung cancer. Lung cancer screening programs are currently being implemented worldwide, but efforts to reduce also CVD are not included. The research group behind the ACE 5 Study are affiliated with the study team behind the implementation study of lung cancer screening in Norway ("Tidlig oppdagelse av lungekreft \[TIDL\]"). The TIDL Study have performed non-contrast, non-cardiac chest CT-based screening for lung cancer in 1000 individuals. Prior studies have demonstrated that a visual four-group classification of coronary artery calcification using non-contrast, non-cardiac chest CT images provide an easily available, non-invasive surrogate index for subclinical and established chronic coronary syndrome. Accordingly, the 2024 European Society of Cardiology guidelines for chronic coronary syndrome promotes that opportunistic screening for atherosclerotic CVD (ASCVD) should be performed when non-contrast, non-cardiac chest CT images are available ("IIa recommendation"). The investigators will now invite TIDL participants for a second study, the Akershus Cardiac Examination (ACE) 5 Study, which will assess whether intervention also against ASCVD ("Lung Cancer Screening Plus Program") will improve cardiovascular risk profile and cardiovascular health in individuals with heavy smoking history. The ACE 5 Study will be a separate study with separate protocol and consent as the ACE 5 Study will focus on the prevention of CVD in individuals with heavy smoking history as add-on to lung cancer screening. The ACE 5 Study will assess the combined effect of (1) non-contrast, non-cardiac chest CT images as basis for ASCVD detection, and (2) the value of a hospital-based, nurse-led follow-up program to improve cardiovascular risk profile and cardiovascular health in individuals with heavy smoking history. Whether a Lung Cancer Screening Plus Program can improve cardiovascular risk profile and indices of improved cardiovascular health compared to the current strategy/standard in individuals with heavy smoking history is currently not known. The primary endpoint relates to status for cardiovascular risk profile after 1-year follow-up, and the study will use pre-defined cutoffs for the different risk factors based on relevant European Society of Cardiology (ESC) Guidelines, especially the 2021 ESC guidelines for primary prevention and the 2024 ESC guidelines for chronic coronary syndrome.
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Number of people reaching treatment goals or started new GDMT for smoking, lipid concentrations, blood pressure, and HbA1c
Timeframe: 12 months from the baseline visit