• Janet P Edwards, Indraneel Datta, John Douglas Hunt, Kevin Stefan, Chad G Ball, Elijah Dixon, and Sean C Grondin.
• Division of Thoracic Surgery, University of Calgary, Calgary, Alberta, Canada. Electronic address: janetpatriciaedwards@gmail.com.
• Ann. Thorac. Surg. 2014 Aug 1; 98 (2): 447-52.

BackgroundThis study aimed to predict variation in the thoracic surgery workforce requirements with the introduction of a national chest computed tomographic (CT) screening program for individuals at high risk of lung cancer.MethodsUsing Canadian census microdata and the Canadian Community Health Survey, a microsimulation model representing the national population was developed. The demand component simulates the incidence of lung cancer, whereas the supply component simulates the number of practicing thoracic surgeons. A national CT screening program in high-risk individuals (>30 pack-year history of smoking; age, 55-74 years) was introduced into the model to predict changes in the number of operable lung cancers per thoracic surgeon.ResultsFrom 2013 to 2040, the Canadian population increased from 34 to 43 million. The number eligible for screening varies from 1,112,800 (2013) to 513,200 (2040), peaking at 1,147,700 (2017). Comparing CT screening with chest radiography, overall lung cancer diagnoses increase 7.3% by 2040, with stage 1A increasing by 15.6% and stage IV decreasing by 7.5%. The rate of operable early lung cancers per thoracic surgeon increases by 24.2% (2020), 19.8% (2030), and 16% (2040), with CT screening relative to the baseline increase seen with chest radiography.ConclusionsWith the implementation of a CT screening program there will be an increase in operable lung cancers, resulting in increased surgical volume. A national strategy for the thoracic surgery workforce is necessary to ensure that an appropriate number of surgeons are being trained to meet the future needs of the national population.Copyright © 2014 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.

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