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  • 11
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Prostaglandins 15 (1978), S. 889-900 
    ISSN: 0090-6980
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 12
    Electronic Resource
    Electronic Resource
    Springer
    Research in experimental medicine 166 (1975), S. 173-181 
    ISSN: 1433-8580
    Keywords: Protracted anaphylactic shock ; myocardial cell damage ; adrenaline ; Protrahierter anaphylaktischer Schock ; Herzmuskelzellnekrosen ; Adrenalin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei ovalbuminsensibilisierten, mepyraminvorbehandelten Meerschweinchen wurde durch intravenöse Injektion von Antigen ein protrahierter anaphylaktischer Schock ausgelöst. Bei Tieren, welche im protrahierten Schock verstarben, konnten sowohl diffuse als auch herdförmige Herzmuskelzellnekrosen gefunden werden. Ferner waren perivaskuläre und interstitielle Ödeme nachweisbar. Die Antigeneffekte bei nicht sensibilisierten Tieren konnten durch intravenöse Infusion hoher Dosen von Adrenalin teilweise imitiert werden. Wurde Adrenalin im Verlaufe des protrahierten Schocks infundiert, so nahm das Ausmaß der Herzmuskelzellnekrosen nicht zu. Die histologischen Veränderungen waren eher vermindert, obgleich die Überlebenszeit nicht verlängert sondern verkürzt war. Die Befunde werden im Hinblick auf die Pathogenese des protrahierten anaphylaktischen Schocks diskutiert.
    Notes: Summary In ovalbumin-sensitized, mepyramine-treated guinea pigs protracted anaphylactic shock was elicited by i.v. injection of antigen. Diffuse or focal necrosis of myocardial cells was found in animals which died in protracted shock, as well as perivascular and interstitial edema. The antigen effects could be partially imitated by i.v. infusion of high amounts of adrenaline into nonsensitized guinea pigs. When adrenaline was infused during protracted anaphylactic shock, the catecholamine effects did not add to the histological effects of the antigen. Rather, the morphological alterations in the hearts were reduced, whereas the survival times were not increased, but decreased. - The findings are discussed in view of the nature of protracted anaphylactic shock.
    Type of Medium: Electronic Resource
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  • 13
    Electronic Resource
    Electronic Resource
    Springer
    Research in experimental medicine 161 (1973), S. 233-242 
    ISSN: 1433-8580
    Keywords: Corticosteroids ; Anaphylactic shock ; Catecholamines ; Corticosteroide ; Anaphylaktischer Schock ; Katecholamine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die 11-Hydroxycorticosteroid-Konzentrationen im Plasma anaphylaktischer Meerschweinchen wurden fluorometrisch gemessen. Im akuten anaphylaktischen Schock, der durch i.v. Gabe von Antigen ausgelöst wurde, waren die Plasmaspiegel nicht erhöht, während im sog. protrahierten Schock ein hochsignifikanter Anstieg gemessen wurde. Vorbehandlung mit demα-Receptorenblocker Phentolamin verminderte die Corticosteroidspiegel im protrahierten Schock signifikant, während Propranolol sowie Antihistaminica keinen Hemmeffekt hatten.
    Notes: Summary Plasma 11-hydroxycorticosteroid levels were measured fluorometrically during anaphylactic shock of guinea pigs. Whereas in the acute anaphylactic reaction elicited by i.v. injection of antigen, no increase was observed, a highly significant rise of plasma corticosteroids was found in the so-called protracted shock. Pretreatment with theα-receptor blocking agent, phentolamine, reduced the plasma corticosteroid levels in the protracted shock significantly. Antihistaminics, and propranolol, had no inhibitory effect.
    Type of Medium: Electronic Resource
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  • 14
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 253 (1966), S. 21-22 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 15
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 250 (1965), S. 176-176 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 16
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 251 (1965), S. 178-179 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 17
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 264 (1969), S. 216-217 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 18
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 266 (1970), S. 208-222 
    ISSN: 1432-1912
    Keywords: Anaphylatoxin ; Anaphylaxis ; Histamine ; Catecholamines ; β-Adrenergic Blockade ; Anaphylatoxin ; Anaphylaxie ; Histamin ; Katechol amine ; β-adrenergische Blockade
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 1. In the heart lung preparation (HLP) of the guinea pig 2.5 ml rat serum anaphylatoxin (AT) released approximately ten times less histamine than was released by 5 mg ovalbumin in the sensitized HLP. In intact animals the plasma histamine increase caused by 5 ml/kg AT was not significantly different from that caused by 10 mg/kg ovalbumin. It is supposed that in AT shock extrapulmonary sources contribute to plasma histamine more than in anaphylactic shock. 2. Mepyramine maleate (40 μg/ml blood) did not significantly reduce the bronchospasm caused by AT in HLP except when a very high AT dose (0.3 ml/ml) was given. In the intact animal, mepyramine lowered the AT-induced bronchospasm by 50–65%. This effect of mepyramine is completely abolished byβ-adrenoceptive receptor blockade. 3. It is concluded that the prevalence of histamine effects in AT shock in vivo, as documented by the life saving effect of antihistamines, is due to 2 facts: influx of histamine from the organs other than the lung, and preferential antagonism by catecholamines of such shock mechanisms which are not based on histamine release.
    Type of Medium: Electronic Resource
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  • 19
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 309 (1979), S. 83-88 
    ISSN: 1432-1912
    Keywords: Cardiac glycosides ; Creatine kinase ; Enzyme release
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In isolated perfused guinea-pig hearts, digoxin produced a concentration dependent release of creatine kinase (ATP-creatine-transphosphorylase; CK). A corresponding decrease of the CK activity in the myocardium was obtained. The enzyme release seems to be a sign of glycoside intoxication, as its extent paralleled the severity of digoxin induced arrhythmias. Especially high CK activities were liberated when ventricular fibrillation occurred. Likewise, electrically induced fibrillation, in control hearts, led to enzyme release. However, the digoxin effect was not matched. Reserpine pretreatment antagonized the CK release by electrical fibrillation, whereas it increased excessively the enzyme liberating effect of higher digoxin concentrations. Also, propranolol decreased the enzyme release due to electrical fibrillation. The glycoside induced CK liberation, however, was not diminished, although the ventricular fibrillation was prevented. Increase of the potassium concentration of the perfusion fluid prevented the glycoside induced fibrillation, and reduced the enzyme release. The significance of the enzyme loss from the myocardium, and the mechanisms of enzyme release are discussed.
    Type of Medium: Electronic Resource
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  • 20
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 40 (1962), S. 918-919 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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