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Schoellnast, H; Tillich, M; Deutschmann, HA; Stessel, U; Deutschmann, MJ; Schaffler, GJ; Schoellnast, R; Uggowitzer, MM.
Improvement of parenchymal and vascular enhancement using saline flush and power injection for multiple-detector-row abdominal CT.
Eur Radiol. 2004; 14(4):659-664
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Autor/innen der Med Uni Graz:
Deutschmann Hannes
Schaffler Gottfried
Schoellnast Renate
Schöllnast Helmut
Stessel Uwe
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Abstract:
The aim of this study was to determine if a saline solution flush following low dose contrast material bolus improves parenchymal and vascular enhancement during abdominal multiple detector-row computed tomography (MDCT). Forty-one patients (24 men and 17 women; mean age 49 years, age range 27-86 years) underwent abdominal MDCT (collimation 4x5 mm, 15-mm table increment, reconstruction interval 5 mm, gantry rotation period 0.8 s) with a single- as well as with a double syringe power injector. Indication for examination were benign and malignant tumors and inflammatory diseases. Patients received 100 ml nonionic contrast material (300 mgI/ml) alone or pushed with 20 ml saline solution. Mean enhancement values for both protocols were measured in the liver, the spleen, the pancreas, the renal cortex, the portal vein, the inferior vena cava and the abdominal aorta. Double syringe power-injector protocol led to significantly higher parenchymal and vascular enhancement than single syringe power-injector protocol (p<0.05). The improvement in mean enhancement of the liver was 9 +/- 9 HU, of the spleen 8 +/- 10 HU, of the pancreas 7 +/- 9 HU, and of the renal cortex 8 +/- 20 HU. The improvement in mean enhancement of the portal vein was 10 +/- 17 HU of the inferior vena cava 8 +/- 13 HU and of the abdominal aorta 10 +/- 17 HU. The use of a double syringe power injector with saline flush following contrast material bolus significantly improves parenchymal and vascular enhancement during contrast-enhanced abdominal MDCT with low iodine doses.
Find related publications in this database (using NLM MeSH Indexing)
Contrast Media -
Female -
Humans -
Image Enhancement -
Male -
Middle Aged -
Prospective Studies -
Radiography, Abdominal - methods
Sodium Chloride - administration & dosage
Tomography, Spiral Computed - methods

Find related publications in this database (Keywords)
spiral CT
abdomen
contrast media
comparative study
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