Effective contrast use in CT angiography and dual-phase hepatic CT performed with a subsecond scanner

Investigative Radiology

Volumn 34, Issue 12, 1999, Pages 751-760

  Luboldt, Wolfgang ^a,b   Straub, Janine ^a   Seemann, Markus ^a   Helmberger, Thomas ^a   Reiser, Maximilian ^a  

^a LUDWIG MAXIMILIANS UNIVERSITY   (Germany)

^b UNIVERSITY HOSPITAL TÜBINGEN   (Germany)

Author keywords

Bolus timing; Contrast injection protocol; CT; CT angiography; Dual phase CT; Helical CT; Iodine concentration; Liver; Spiral CT

Indexed keywords

ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; CONTRAST ENHANCEMENT; DIAGNOSTIC VALUE; DOSE RESPONSE; EARLY DIAGNOSIS; HEPATOGRAPHY; HUMAN; HUMAN TISSUE; LIVER CELL CARCINOMA; MAJOR CLINICAL STUDY; PRIORITY JOURNAL;

EID: 0032755930     PISSN: 00209996     EISSN: None     Source Type: Journal    
DOI: 10.1097/00004424-199912000-00004     Document Type: Article

References (36)

1. Burgener FA, Hamlin DJ. Contrast enhancement in abdominal CT: Bolus vs. infusion. Am J Roentgenol 1981;137:351-358.
2. Dawson P, Blomley M. Definition of 'equilibrium point.' 1996;200: 288-289.
3. Hoeffel C, Legmann P, Girardot C, Bunouf P, Mezzi K. Bonnin A. Contrast material injection for hepatic helical computed tomography. Comparative study of five protocols. Invest Radiol 1996;31: 467-471.
4. Harmon BH, Berland LL, Lee JY. Effect of varying rates if low-osmolarity contrast media injection for hepatic CT: Correlation with indocyanine green transmit time. Radiology 1992;184:379-382.
5. Small WC, Nelson RC, Bernardino ME, Brummer LT. Contrast-enhanced spiral CT of the liver: Effect of different amounts and injection rates of contrast material on early contrast enhancement. Am J Roentgenol 1994;163:87-92.
6. Chambers TP, Baron RL, Lush RM. Hepatic CT enhancement. Part II. Alterations in contrast material volume and rate of injection within the same patients. Radiology 1994;193:518-522.
7. Kopka L, Funke M, Vosshenrich R, Hagemenn A, Oestmann JW, Grabbe E. Helical CT of the liver: Evaluation of injection flow rate, mode, and scan delay with a reduced-volume contrast medium bolus. J Comput Assist Tomogr 1995;19:406-411.
8. Heiken JP, Brink JA, McClennan BL, Saegl SS, Crowe TM, Gaines MV. Dynamic incremental CT: Effect of volume and concentration of contrast material and patient weight on hepatic enhancement. Radiology 1995;195:353-357.
9. Chambers TP, Baron RL, Lush RM. Hepatic CT enhancement. Part I. Alterations in the volume of contrast material within the same patients. Radiology 1994;193:513-517.
10. Brink JA, Heiken JP, Forman HP, Sagel SS, Molina PI, Brown PC. Hepatic spiral CT: Reduction of dose of intravenous contrast material. Radiology 1995;197:83-88.
11. Silverman PM, O'Malley J, Tefft MC, Cooper C, Zeman RK. Conspicuity of hepatic metastases on helical CT: Effect of different time delays between contrast administration and scanning. Am J Roentgenol 1995;164:619-623.
12. Mitsuzaki K, Yamashita Y, Ogata I, Nishiharu T, Urata J, Takahashi M. Multiple-phase helical CT of the liver for detecting small hepatomas in patients with liver cirrhosis: Contrast-injection protocol and optimal timing. Am J Roentgenol 1996;167: 753-757.
13. Graf O, Gazelle GS, Kreuzer S, et al. Enhancement of hepatic parenchyma, aorta, and portal vein in helical CT: Comparison of iodixanol and iopromide. Am J Roentgenol 1997;168:213-217.
14. Dawson P. The non-ionic isotonic contrast agents. Perspectives and controversies. Eur Radiol 1996;6:S20-S24.
15. Valls C, Pozuelo O, Pons LC. Selective use of low-osmolality contrast media in biphasic helical CT of the liver. Radiology 1998;207:827-829.
16. Barnes GE, Chevis BC, Granger HJ. Regulation of cardiac output during rapid volume loading. Am J Physiol 1979;237:R197-R202.
17. Matsui O, Kadoya M, Suzuki M, et al. Work in progress: Dynamic sequential computed tomography during arterial portography in the detection of hepatic neoplasms. Radiology 1983;146:721-727.
18. Nelson RC, Chezmar JI, Sugarbaker PH, Bernardino ME. Hepatic tumors: Comparison of CT during arterial portography, delayed CT, and MR imaging for preoperative evaluation. Radiology 1989; 172:27-34.
19. Soyer P, Bluemke DA, Fishman EK. CT during arterial portography for the preoperative evaluation of hepatic tumors: How, when, and why? Am J Roentgenol 1994;163:1325-1331.
20. Freeney PC, Nghiem HV, Winter TC. Helical CT during arterial portography: Optimization of contrast enhancement and scanning parameters. Radiology 1995;194:83-90.
21. Kopka L, Funke M, Fischer U, Vosshenrich R, Ostemann JW, Grabbe E. Parenchymal liver enhancement with bolus-triggered helical CT: Preliminary clinical results. Radiology 1995;195:282-284.
22. Silverman PM, Roberst SC, Ducic I, et al. Assessment of a technology that permits individualized scan delays on helical hepatic CT: A technique to improve efficiency in use of contrast material. Am J Roentgenol 1996;167:79-84.
23. Silverman PM, Roberts S, Tefft MC, et al. Helical CT of the liver: Clinical application of an automated computer technique, Smart-Prep, for obtaining images with optimal contrast enhancement. Am J Roentgenol 1995;165:73-78.
24. Berland LL. Slip-ring and conventional dynamic hepatic CT: Contrast material and timing considerations. Radiology 1995;195:1-8.
25. Silverman PM, Kohan L, Ducic I, et al. Imaging of the liver with helical CT: A survey of scanning techniques. Am J Roentgenol 1998:170:149-152.
26. Luboldt W, De Santis M, von Smekal A, Reiser M. Attenuation characteristics and application of gadolinium-DPTA in fast helical computed tomography. Invest Radiol 1997;32:690-695.
27. Fischbach R, Landwehr P, Svalund M, et al. Spiral CT angiography of the abdominal aorta-Comparison of iodixanol and ioversol Invest Radiol 1999;34:374-380.
28. Winter TCr, Nghiem HV, Freeny PC, Hommeyer SC, Mack LA. hepatic arterial anatomy: Demonstration of normal supply and vascular variants with three-dimensional CT angiography. Radiographics 1995;15:771-780.
29. Matsui O, Kadoya M, Yoshikawa J, et al. Small hepatocellular carcinoma: Treatment with subsegmental transcatheter arterial embolization. Radiology 1993;188:79-83.
30. Takayasu K, Wakao F, Moriyama N, et al. Response of early-stage hepatocellular carcinoma and borderline lesions to therapeutic arterial embolization. Am J Roentgenol 1993;160:301-306.
31. Bartolozzi C, Lencioni R, Caramella D, Falschi F, Cioni R, DiCoscio G. Hepatocellular carcinoma: CT and MR features after transcatheter arterial embolization and percutaneous ethanol injection Radiology 1994;191:123-128.
32. Hollett MD, Jeffrey RB, Jr., Nino Murcia M, Jorgensen MJ, Harris DP. Dual-phase helical CT of the liver: Value of arterial phase scans in the detection of small (< or = 1.5 cm) malignant hepatic neoplasms. Am J Roentgenol 1995;164:879-884.
33. Luboldt W, Weber R, Seemann M, De Santis M, Reiser M. Influence of helical CT parameters on spatial resolution in CT angiography performed with a subsecond scanner. Invest Radiol 1999;34:421-426.
34. Graf O, Dock Wi, Lammer J, et al. Determination of optimal time window for liver scanning with CT during arterial portography. Radiology 1994;190:43-47.
35. Little ASF, Baron RL, Peterson MS, et al. Optimizing CT portography: A prospective comparison of injection into the splenic versus superior mesenteric artery. Radiology 1994;193:651-655.
36. Freeny PC, Gardner JC, vonIngersleben G, Heyano S, Nghiem HV, Winter TC. Hepatic helical CT: Effect if reduction of iodine dose of intravenous contrast material on hepatic contrast enhancement. Radiology 1995;197:89-93.