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- W2068141374 abstract "To analyze the influence of contrast dose adjusted by weight vs. fixed contrast dose in the attenuation and cost of abdominal computed tomography (CT).A randomised, consecutive, parallel group study was conducted in 151 patients (74 men and 77 women, age range 22-67 years), studied with the same CT helical protocol. A dose at 1.75 ml/kg was administered in 101 patients while 50 patients had a fixed dose of 120 ml of same non-ionic contrast material (320 mg/ml). Mean enhancements were measured at right hepatic lobe, superior abdominal aorta and inferior cava vein. Statistical analysis was weight-stratified (<60, 61-70, 71-80 and >81 kg).Aortic attenuation was significantly superior (p<0.05) in the dose adjusted by weight group than in the fixed dose group. Patients who weighed >61 kg in dose-adjusted group, presented higher hepatic attenuation, being statistically significant in those >81 kg (p<0.01). In dose-adjusted group, there was a savings of euro 4.1 per patient in patients weighing <80 kg. In patients weighing >80 kg, there was an over cost of euro 10.7 per patient.An injection volume of 1.75 ml/kg offers an optimal diagnostic quality with a global savings of euro 1.34 per patient." @default.
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- W2068141374 date "2009-06-01" @default.
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- W2068141374 title "Cost reduction in abdominal CT by weight-adjusted dose" @default.
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- W2068141374 doi "https://doi.org/10.1016/j.ejrad.2008.01.048" @default.
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