health day reporter
THURSDAY, March 31, 2022 (HealthDay News) — More than 10,000 American lives have been saved since the introduction of lung cancer screening for high-risk individuals over age 55 with a history of smokesa new study shows.
But researchers point out that many poor and minority/ethnic groups still miss out on the benefits of screening for the world’s leading cause of death from cancer.
Assessing the impact of the 2013 introduction low-dose CT scan For high-risk groups in the United States, the researchers analyzed data from two large cancer registries.
They found that from 2014 to 2018, early-stage (stage 1) detection of non-small cell lung cancer (NSCLC) increased by 3.9% per year, and median all-cause survival increased by an average of 11.9% per year.
According to a post on March 30 british medical journal.
By 2018, the first phase non-small cell lung cancer It is the leading diagnosis among white Americans and areas with the highest income or education levels. However, nonwhites and people in poor or less educated parts of the country were still more likely to have stage 4 disease at diagnosis.
The study’s authors also determined that other factors — including increased use of non-screening diagnostic imaging, increased overdiagnosis of lung cancer, and improved accuracy in identifying cancer staging — did not play a role in the rise in early-stage incidence. . Lung cancer diagnosis during the study period.
While the adoption of lung cancer screening has been slow and national screening rates remain extremely low, the findings “suggest that even small amounts of screening may have beneficial effects on lung cancer staging and population survival,” said Alexandra Porter ( Alexandra Potter, executive director of the U.S. Lung Cancer Screening Program, and other study authors wrote.
They say the latest U.S. Preventive Services Task Force Lung Cancer Screening GuidelinesLowering the high-risk screening age to age 50 expanded screening eligibility for an additional 6.5 million Americans, with the largest increases in eligibility for women and minorities. In a journal press release, the authors noted that the new guidelines offer an opportunity to “reduce disparities in the early detection of lung cancer.”
According to an editorial by Anne Melzer, PhD, assistant professor of medicine in the Division of Pulmonary, Allergy Intensive Care and Sleep at the University of Minnesota School of Medicine, the study shows the actual benefits of lung cancer screening in high-risk groups by Matthew Triplette, PhD, assistant professor at the University of Minnesota School of Medicine and Washington University School of Medicine.
But they added that efforts to increase screening “should be prioritized to ensure equitable access to screening and prevent expansion Differences in lung cancer staging and survival rates in different lung cancer patient groups. “
For more information on lung cancer screening, see the National Cancer Institute.
resource: british medical journalpress release, March 30, 2022