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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 5 (1995), S. S85 
    ISSN: 1432-1084
    Keywords: Iotrolan ; Iohexol ; Iopamidol ; Iopromide ; Contrast agents ; Safety assessment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Iotrolan (280 mg iodine/ml) a new non ionic, isotonic dimeric, contrast agent, was evaluated in multicenter clinical stidues conducted in Europe between March 1987 and September 1992. The studies compared the efficacy and safety of the agent with the non-ionic monomeric contrast agents available at the time. Iotrolan was given intravenously to patients undergoing urography, head and body computed tomography phlebography and digital subtraction angiography. The agent was also studied after intra-arterial injections in cerebral, visceral and peripheral angiographic procedures as well as digital subtraction angiography. Data from 32 prospective double blind, randomized, controlled clinical studies, were evaluated. A total of 1203 patients received either iopromide, iohexol or iopamidol (all in concentration of 300 mg iodine/ml), and a further 1207 patients received iortrolan. As there were no sognificant differences (P = 0.0853) in adverse events between the comparative agents, their adverse event data were pooled for evaluation with data from patients receiving iotrolan. Adverse experiences were recorded in two categories — local tolerance (heat and pain) and general tolerance (generalized heat and adverse clinical events). After intra-arterial injection iotrolan had a significantly lower incidence of local heat sensation (P = 0.0001) and a significantly lower incidence of local pain (P = 0.0001) compared with comparator agents. Also, after intravenous injection iotrolan had a significantly lower incidence of local heat (P = 0.0038). In the overall evaluation of general tolerance for all indications, iotrolan was shown to produce significantly less generalized heat (P = 0.0012) and a lower incidence of adverse events (P = 0.061) compared with the reference agents.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1084
    Keywords: Iotrolan ; Non-ionic momoner ; Non-ionic dimer ; Arteriography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To evaluate diagnostic quality, safety and local tolerance in peripheral arteriography, isotrolan (280 mg iodine/ml) was compared to the non-ionic monimers iopamidol (300 mg iodine/ml), iohexol (300 mg iodine/ml) and iopromide (300 mg iodine/ml) in nine randomized, double-blind, the suitability of iotrolan 280 was evaluated in an interindividual, non-randomized, single-blind study. Pelvic-leg arteriography was performed in 298 patients, selctive femoral arteriography in 201, intra-arterial digital subtraction angiography in 20. Despite the 7% lower iodine content of iotrolan, its contrast density was rated as good as that of the non-ionic monomers. Due to the few motion artifact, caused by motor pain reactions, the overall diagnostic quality of iotrolan was good. The slightly higher viscosity of iotrolan did not impair injectability. General tolerance was excellent with iotrolan and with non-ionic monomers (2.3% minor adverse events versus 4.6%). With respect to local tolerance, iotrolan demonstrated clear advantages. The frequency of completely painless injections was 91% in non-selective femoral angiography and 70% in penile arteiorgraphy (62, 25 and 10%, respectively, with comparator agents). in intra-arterial DSA of the hand, the injectio of iotrlan 280 was tolerated with minimal or no pain in 100% of patients (58% with iohexol 300). Iotrolan proved to be highly suitable for peripheral arteriography and for arteriography of the penis. Its major advantage is excellent local tolerance in examinations in which even low-osmolar non-ionic monomers may cause significant pain and unpleasant sensations of heat. Better local tolerance results in an improvement of diagnostic quality due to fewer motion artifacts.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1084
    Keywords: Iotrolan ; Iohexol ; Iopamidol ; Urography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Iotrolan was compared with iohexol and iopamidol for efficacy and general tolerance in excretory urography in three controlled, randomized, inte-individual, double-blind studies. Two hundred and eighty-four patients received fixed doses of 100 ml, 120 ml or 150 ml iotrolan 280 or iohexol 300/iopamidol 300 by rapid or bolus injection. Contrast quality in films taken 3–40 min after injection was rated by experienced radiologists both on an overall basis and with regard to distinct anatomical regions (parenchyma, pelvicalyceal system, ureter, bladder). In all studies, contrast quality was assessed as better in the iotrolan group. In two studies (dosages 100 and 120 ml), significant differences in contrast quality were found in lavour of iotrolan (P 〈 0.05), and in the third study (dosage 150 ml) there was a trend towards better contrast quality in the iotrolan group (P = 0.06). General tolerance of iotrolan was good with only minor side effects (iotrolan 6.3%, iohexol/iopamidol 9.9%), but the difference was not significant. No severe adverse reactions were observed with iotrolan. In comparison with non-ionic monomers, iotrolan shows very good efficacy and general tolerance for excretory urography.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 5 (1995), S. S69 
    ISSN: 1432-1084
    Keywords: Iotrolan ; Contrast agents ; Iohexol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Iotrolan, a new non-ionic, dimeric, iodinated contrast agent, was compared with iohexol, a non-ionic, monomeric contrast agent, for suitability in pediatric patients. Two studies were performed. The gastrointestinal medication was studied in 20 infants using iotrolan 300 versus iohexol 300. Contrast quality with iotrolan 300 appears to be superior to iohexol 300. The renal indication was studied in a large, multicenter, double-blind trial, 167 children received intravenous doses of either iotrolan 280 or iohexol 300 for urography, and contrast quality and safety were assessed. Iotrolan 280 appears to give better contrast quality in all areas of the kidney and the ureters. On the results of our experience, we recommend iotrolan 300 for gastrointestinal imaging in pediatries, where barium sulfate is contraindicated, and iotrolan 280 in pediatric urography. We suggest that iotrolan 280 may also be suitable for all intravascular administrations.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1920
    Keywords: Dimeric non-ionic contrast medium ; myelography ; Side effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Fifty patients underwent myelography with the newly developed CSF-isotonic, dimeric, non-ionic contrast medium Iotrolan. Repeat spinal and cranial computerised tomographic studies with measurement of the attenuation values were conducted to demonstrate the administered contrast medium in the spinal canal and intracranial subarachnoid space. The patients were examined neurologically, observed clinically and asked about concomitant symptoms. The period of retention and the spread of the contrast medium in the subarachnoid space was not found to have any influence on the side effects rate. In particular, no association was confirmed between intracranially demonstrable contrast medium and the occurrence of side effects.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Graefe's archive for clinical and experimental ophthalmology 217 (1981), S. 111-116 
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Mit dem wasserlöslichen Röntgenkontrastmittel Iotasul lassen sich im Tierexperiment (Hund, Affe) in vivo die Lymphabflußwege der Bindehaut und der Lider sowohl nach direkter als auch nach indirekter Applikation bis zum Truncus jugularis darstellen.
    Notes: Abstract In ‘in vivo’ animal experiments (dog, ape, monkey) the efferent lymph vessels of the conjunctivae and eyelids could be shown as far as the jugular vein by direct and indirect application of Iotasul, a water-soluble X-ray contrast medium.
    Type of Medium: Electronic Resource
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