Abstract:
BACKGROUND AND STUDY AIMS:Capsule endoscopy (Pillcam Colon) has recently shown acceptable accuracy in detecting colonic lesions when compared with colonoscopy. The aim of this analysis is to provide a model to assess the cost and effectiveness of population-based screening for colorectal cancer (CRC) using capsule endoscopy and to compare the cost-effectiveness with that of a colonoscopy screening program. METHODS:The cost-effectiveness of two screening strategies using colonoscopy or capsule endoscopy were compared by a computer model based on a Markov process. In this model, a hypothetical population of 100,000 individuals aged 50 years and over, undergoes a 10 yearly screening procedure. Different thresholds for postcapsule polypectomy referral were simulated. RESULTS:At baseline, the incremental cost-effectiveness (compared with no screening) of colonoscopy and capsule endoscopy was $ 16,165 and $ 29,244 per life-year saved, respectively. When equal compliance was simulated, the colonoscopy program was more effective and less costly than a strategy based on capsule endoscopy. When simulating an initial compliance to capsule endoscopy 30% better than colonoscopy, capsule endoscopy became the more effective and more cost-effective option. A 20% better compliance was sufficient when a higher accuracy of capsule endoscopy for polyps was assumed. A 6 mm threshold for polypectomy referral was associated with a substantial cost reduction in the capsule endoscopy program with only a small loss of efficacy. CONCLUSIONS:The cost-effectiveness of capsule endoscopy depends mainly on its ability to improve compliance to CRC screening.
journal_name
Endoscopyjournal_title
Endoscopyauthors
Hassan C,Zullo A,Winn S,Morini Sdoi
10.1055/s-2007-995565subject
Has Abstractpub_date
2008-05-01 00:00:00pages
414-21issue
5eissn
0013-726Xissn
1438-8812journal_volume
40pub_type
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