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News

Impact of colorectal cancer screening with CT colonography

February's issue of the Alimentary Pharmacology & Therapeutics investigates the projected impact of colorectal cancer screening with CT colonography on radiological capacity in Europe.

News image

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The impact of a primary colorectal cancer screening with computerized tomographic (CT) colonography on current radiological capacity is unknown.

The multispecialty needs for computerized tomographic examinations raise some doubts on the feasibility of a mass colorectal cancer screening with computerized tomographic colonography.

At a simulated 30% compliance, 28,760,130 European people would need to be screened
Alimentary Pharmacology & Therapeutics

Dr Hassan and colleagues from Italy assessed whether the number of available computerized tomographic units in Europe is adequate to cover population screening with computerized tomographic colonography.

The team used a mathematical, and a Markov model, to assess the number of computerized tomographic colonography procedures needed to be performed each day in the start-up.

The team of doctors also examined the steady-state phases of a colorectal cancer screening program in Europe.

The doctors divided this outcome for the total number of computerized tomographic machines aged under 10 years estimated to be present in the European hospitals.

At a simulated 30% compliance, 28,760,130 European people would need to be screened by the 3,482 available computerized tomographic units in a 5-year start-up period.

The team found that this corresponds to 7 computerized tomographic colonography units per day.

The doctors then conducted an analysis assuming a 10-year repetition of computerized tomographic colonography between 50 and 80 years.

The number of computerized tomographic colonography needed to be performed in the steady-state period appeared to be 4 computerized tomographic units per day.

Dr Hassans' team concluded, "The current radiological capacity may cover the need for a primary colorectal cancer screening with computerized tomographic colonography in a steady state."

"On the other hand, a substantial implementation of the current computerized tomographic capacity or a synergistic approach with other techniques seems to be necessary for the start-up period."

Aliment Pharmacol Ther 2008: 27(4): 366-74
31 January 2008

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