Impact of iodine delivery rate with varying flow rates on image quality in dual-energy CT of patients with suspected pulmonary embolism

Academic Radiology

Volumn 20, Issue 8, 2013, Pages 962-971

  Hansmann, Jan ^a   Fink, Christian ^a   Jost, Gregor ^d   Pietsch, Hubertus ^d   Meyer, Mathias ^a   Nance, John W ^b   Schoepf, Uwe J ^c   Attenberger, Ulrike I ^a   Schoenberg, Stefan O ^a   Henzler, Thomas ^a  

^a UNIVERSITY OF HEIDELBERG   (Germany)

^b JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE   (United States)

^c MEDICAL UNIVERSITY OF SOUTH CAROLINA   (United States)

^d BAYER PHARMA AG   (Germany)

Author keywords

Dual energy CT; Iodine delivery rate; Pulmonary embolism; Pulmonary perfusion

Indexed keywords

IODINE; IOPROMIDE;

ADULT; AGED; ARTICLE; ARTIFACT; CONCENTRATION (PARAMETERS); DUAL ENERGY COMPUTED TOMOGRAPHY PULMONARY ANGIOGRAPHY; FEMALE; FLOW RATE; HUMAN; IMAGE ANALYSIS; IMAGE QUALITY; LUNG ANGIOGRAPHY; LUNG EMBOLISM; MAJOR CLINICAL STUDY; MALE; PERFUSION; PRIORITY JOURNAL; PROSPECTIVE STUDY; RADIATION ATTENUATION;

DUAL-ENERGY CT; IODINE DELIVERY RATE; PULMONARY EMBOLISM; PULMONARY PERFUSION;

ADULT; AGED; AGED, 80 AND OVER; CONTRAST MEDIA; FEMALE; HUMANS; IOHEXOL; MALE; MIDDLE AGED; PULMONARY EMBOLISM; RADIOGRAPHIC IMAGE ENHANCEMENT; RADIOGRAPHY, DUAL-ENERGY SCANNED PROJECTION; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; TOMOGRAPHY, X-RAY COMPUTED;

EID: 84880045616     PISSN: 10766332     EISSN: 18784046     Source Type: Journal    
DOI: 10.1016/j.acra.2013.02.013     Document Type: Article

References (25)

1. Henzler T., Schoenberg S.O., Schoepf U.J., et al. Diagnosing acute pulmonary embolism: systematic review of evidence base and cost-effectiveness of imaging tests. J Thorac Imaging 2012, 27(5):304-314.
2. Remy-Jardin M., Pistolesi M., Goodman L.R., et al. Management of suspected acute pulmonary embolism in the era of CT angiography: a statement from the Fleischner Society. Radiology 2007, 245(2):315-329.
3. Henzler T., Roeger S., Meyer M., et al. Pulmonary embolism: CT signs and cardiac biomarkers for predicting right ventricular dysfunction. Eur Respir J 2012, 39(4):919-926.
4. Johnson T.R., Krauss B., Sedlmair M., et al. Material differentiation by dual energy CT: initial experience. Eur Radiol 2007, 17(6):1510-1517.
5. Fink C., Johnson T.R., Michaely H.J., et al. Dual-energy CT angiography of the lung in patients with suspected pulmonary embolism: initial results. ROFO Fortschr Geb Rontgenstr Nuklearmed 2008, 180(10):879-883.
6. Krissak R., Henzler T., Reichert M., et al. Enhanced visualization of lung vessels for diagnosis of pulmonary embolism using dual energy CT angiography. Invest Radiol 2010, 45(6):341-346.
7. Nance J.W., Henzler T., Meyer M., et al. Optimization of contrast material delivery for dual-energy computed tomography pulmonary angiography in patients with suspected pulmonary embolism. Invest Radiol 2012 Jan, 47(1):78-84.
8. Pontana F., Faivre J.B., Remy-Jardin M., et al. Lung perfusion with dual-energy multidetector-row CT (MDCT): feasibility for the evaluation of acute pulmonary embolism in 117 consecutive patients. Acad Radiol 2008, 15(12):1494-1504.
9. Thieme S.F., Johnson T.R., Lee C., et al. Dual-energy CT for the assessment of contrast material distribution in the pulmonary parenchyma. AJR Am JRoentgenol 2009, 193(1):144-149.
10. Yang G.F., Yang X., Zhang L.J., et al. Pulmonary enhancement imaging with dual energy CT for the detection of pulmonary embolism in a rabbit model: comparison to perfusion planar scintigraphy, SPECT and SPECT-CT modalities. Acad Radiol 2011, 18(5):605-614.
11. Chae E.J., Seo J.B., Jang Y.M., et al. Dual-energy CT for assessment of the severity of acute pulmonary embolism: pulmonary perfusion defect score compared to CT angiographic obstruction score and right ventricular/left ventricular diameter ratio. AJR Am J Roentgenol 2010, 194(3):604-610.
12. Bauer R.W., Kramer S., Renker M., et al. Dose and image quality at CT pulmonary angiography-comparison of first and second generation dual-energy CT and 64-slice CT. Eur Radiol 2011, 21(10):2139-2147.
13. Behrendt F.F., Bruners P., Keil S., et al. Effect of different saline chaser volumes and flow rates on intravascular contrast enhancement in CT using a circulation phantom. Eur J Radiol 2010, 73(3):688-693.
14. Goodman L.R., Gulsun M., Nagy P., et al. CT of deep venous thrombosis and pulmonary embolus: does iso-osmolar contrast agent improve vascular opacification?. Radiology 2005, 234(3):923-928.
15. Kerl J.M., Bauer R.W., Renker M., et al. Triphasic contrast injection improves evaluation of dual energy lung perfusion in pulmonary CT angiography. EurJ Radiol 2011, 80(3):e483-e487.
16. Bae K.T. Intravenous contrast medium administration and scan timing at CT: considerations and approaches. Radiology 2010, 256(1):32-61.
17. Behrendt F.F., Pietsch H., Jost G., et al. Intra-individual comparison of different contrast media concentrations (300 mg, 370 mg and 400 mg iodine) in MDCT. Eur Radiol 2010, 20(7):1644-1650.
18. Langenberger H., Friedrich K., Plank C., et al. MDCT angiography for detection of pulmonary emboli: comparison between equi-iodine doses of iomeprol 400 mgI/mL and iodixanol 320 mgI/mL. Eur J Radiol 2009, 70(3):579-588.
19. Muhlenbruch G., Behrendt F.F., Eddahabi M.A., et al. Which Iodine concentration in chest CT?-a prospective study in 300 patients. Eur Radiol 2008, 18(12):2826-2832.
20. Behrendt F.F., Plumhans C., Keil S., et al. Contrast enhancement in chest multidetector computed tomography: intraindividual comparison of 300 mg/mL versus 400 mg/mL iodinated contrast medium. Acad Radiol 2009, 16(2):144-149.
21. Flohr T.G., McCollough C.H., Bruder H., et al. First performance evaluation of a dual-source CT (DSCT) system. Eur Radiol 2006, 16(2):256-268.
22. Petersilka M., Bruder H., Krauss B., et al. Technical principles of dual source CT. Eur J Radiol 2008, 68(3):362-368.
23. Hoey E.T., Gopalan D., Ganesh V., et al. Dual-energy CT pulmonary angiography: a novel technique for assessing acute and chronic pulmonary thromboembolism. Clin Radiol 2009, 64(4):414-419.
24. Henzler T., Meyer M., Reichert M., et al. Dual-energy CT angiography of the lungs: Comparison of test bolus and bolus tracking techniques for the determination of scan delay. Eur J Radiol 2012, 81(1):132-138.
25. Han J.K., Kim A.Y., Lee K.Y., et al. Factors influencing vascular and hepatic enhancement at CT: experimental study on injection protocol using a canine model. J Comput Assist Tomogr 2000, 24(3):400-406.