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123 records · Page 7Linked to original sources
PubMed1978

[A new bile contrast in pediatrics (author's transl)].

Biligram was used for 42 cholegraphies in children aged 2 months to 15 years. A 35% concentration of Biligram was given as intravenous injection in 14 children, a 17% or 3,4% concentration as an intravenous infusion in 16 or 12 patients, respectively. The quality of x-ray films with both Biligram 35% and 17% was equally good whereas Biligram 3,4% gave a weak contrast only. The best time for taking films was 30 and 60 min after injection of Biligram. Allergic reactions or an effect on liver enzymes were not observed.

Biliary Tract Diseases↗
PubMed1978

[Comparison of the biliary excretion of the radiographic contrast media Iotroxamate and Ioglycamide in the dog].

Biliary excretion of iotroxamat (ITX) and ioglycamide (IGL) in cholecystectomized dogs fitted with a Thomas duodenal cannula is compatible with saturation kinetics exhibiting maximal excretory velocities of 2.23 +/- SD 0.18 and 1.22 +/- 0.19 mumol/min/kg, respectively. While biliary excretion of ITX obeyed classical Michaelis Menten kinetics, the data obtained with IGL suggested a more complex process. The choleretic effects of both contrast agents (23.6 +/- SD 2.29 and 25.8 +/- 2.21 microliter of excreted substance) were comparable. On the basis of these results and in view of the similar toxicity of the two contrast agents in animals, it may be expected that ITX will have advantages over IGL for intravenous cholangiography.

Animals↗
PubMed1980

[Pain reduction in peripheral arteriographies of the upper and lower extremities in a double blind test. Lidocain/ioglicinate versus metrizamide (author's transl)].

36 aortofemoral and 18 brachial angiographies effected under standardized conditions in a double blind test in approximately two equal parts with Lidocain/Ioglicinate and Metrizamide, respectively, were evaluated with regard to vascular pain and sensation of heat during the examination. With the femoralis angiograms reduction of vascular pain was on the average somewhat greater, although this could not be established statistically when using Metrizamide. In the case of the angiogram of the arm, pain was on the average equally low in both cases. Of the 14 patients who had received injections of both contrast media in varying succession at intervals of 20 minutes, 6 patients considered the Metrizamide injection to be more agreeable, whereas 2 preferred the Lidocain/Ioglicinate injection and 6 patients did not notice any significant difference. The average sensation of heat during contrast medium visualisation of the legs and arms was equal with both substances. Lidocain/Ioglicinate and Metrizamide are approximately equally well suited for peripheral angiography of arms and legs, rendering narcosis and strapping down of the extremities unneccessary in normal cases.

Anesthesia, Local↗
PubMed1980

[Quality of roentgenological visualization and tolerance of various intravenous cholegraphic contrast media (author's transl)].

The recently introduced intravenous cholegraphic contrast media produce a greater diagnostic yield in radiological routine thanks to improved roentgenological contrasting. Whereas the percentage share of roentgenologically clearly assessable cases is about 75 % when using Biligrafin, this percentage is much higher with the more recent contrast media, especially Biliscopin, namely, up to 88 %. These new contrast media are also superior in respect of tolerance, since they produce fewer side effects. While side effects must be expected in about 28 % of the cases when injecting Biligrafin, the side effect quota is about 10 % only with Biliscopin or Endomirabil. If the contrast medium is infused instead of injected, the quota of side effect drops to 2.3 % with Biliscopin or 3.9 % with Endomirabil. Slight and medium side effects have definitely decreased with the more recent contrast media. The slower and more continually the contrast medium is administered, the fewer are the side effects observed; this becomes particularly noticeable in the case of long-term infusions. However, the likelihood of severe incidents caused by the contrast medium, remains unchanged at about 1 % of the examined patients, even with the more recently introduced contrast media.

Cholangiography↗
PubMed1982

The effect of theophylline on canine bile flow, biliary excretion and concentration of ioglycamide.

Theophylline (TH), which has been shown in experimental dogs to increase bile-salt-independent bile flow, was studied in its effect on the biliary excretion and concentration of the intravenous contrast medium ioglycamide in cholecystectomized anesthetized dogs equipped with a Thomas cannula through which the common bile duct could be cannulated. One hour after cannulation, i.v. infusion of ioglycamide at the rate of 4 mol/min/Kg was started. Two hours later, 10 mg/kg of TH was injected intravenously and the experiment continued for a further 75 minutes. Bile was collected at 15 min. intervals throughout the whole experiment and simultaneous intravenous blood samples were taken. In this study, TH increased bile flow and decreased biliary ioglycamide concentration. Although TH increased bile flow, it had no effect on the biliary excretion of ioglycamide. It may be postulated that the organic anion ioglycamide, and possibly other organic anions, are secreted into the bile by mechanisms, unaffected by drugs which increase bile-salt-independent bile flow in a similar manner to TH.

Animals↗
PubMed1981

The effect of furosemide on canine bile flow and biliary excretion of ioglycamide during cholangiography.

The effect of furosemide on biliary excretion of ioglycamide and bile flow during experimental cholangiography was studied in cholecystectomized and anaesthetized dogs equipped with a Thomas cannula through which the common bile duct could be cannulated. Ioglycamide infusion was started one hour after cannulation of the common bile duct, the infusion rate being 4 micromol/min/kg. Two hours later, 2 mg/kg furosemide was injected intravenously. After furosemide administration biliary ioglycamide concentration and bile flow remained the same as before the furosemide administration. Our evidence suggests that furosemide has no effect on the biliary excretion of ioglycamide or bile flow during ioglycamide cholangiography on dogs.

Animals↗
PubMed1978

Activation of complement by radiographic contrast media: generation of chemotactic and anaphylatoxin activities.

Iodinated radiographic contrast media such as methylglucamine diatrizoate and sodium ioglycamate activate serum complement in vitro. This was shown by a dose-, time-, and temperature-dependent decrease of total hemolytic complement activity in normal human serum, consumption of C4 and C6 activity, conversion of C3 to C3b, and generation of C5-derived chemotactic and smooth muscle contracting activity. Complement activation was achieved even in sera depleted of immunoglobulin and properdin, which may indicate that contrast media induce complement activation by mechanisms different from the classical or alternative pathway.

Anaphylatoxins↗
PubMed1981

Intravenous cholangiography by bolus injection of meglumine iotroxamate and meglumine iodoxamate: a comparative trial of two new contrast media.

The meglumine salts of iodoxamic and iotroxamic acids are recently developed intravenous cholangiographic media. In several studies these two media have been shown to be significantly better than meglumine iodipamide and meglumine ioglycamate for opacification of the biliary tree and incidence of adverse effects. As part of a multi-centre double-blind trial 100 patients were given iodoxamate or iotroxamate. Comparisons of opacification, side effects and renal excretion of contrast were made. The results showed no statistically significant difference in biliary tree opacification; more frequent renal excretion of contrast with iodoxamate; and contrary to previous reports a slightly higher incidence of side effects with iotroxamate.

Biliary Tract↗