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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Molecular and Cellular Cardiology 16 (1984), S. 66 
    ISSN: 0022-2828
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Molecular and Cellular Cardiology 16 (1984), S. 52 
    ISSN: 0022-2828
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Molecular and Cellular Cardiology 18 (1986), S. 25 
    ISSN: 0022-2828
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of interventional cardiology 7 (1994), S. 0 
    ISSN: 1540-8183
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1440
    Keywords: Cardiotoxicity of contrast media ; Angiocardiography ; Calcium addition to ionic contrast media ; Metrizamide ; Kardiale Nebenwirkungen von Kontrastmitteln ; Kalziumzusatz zu ionischen Kontrastmitteln ; Metrizamid ; Angiocardiographie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In einer klinischen Vergleichsstudie wurde überprüft, inwieweit die kardialen Nebenwirkungen der Angiokardiographie durch Zusatz von Kalzium zum üblicherweise verwandten Diatrizoat (Urografin 76%) und Verwendung von nichtionischem Metrizamid (Amipaque) reduziert werden können. Fünfzehn Patienten wurden hierzu unter randomisierten Bedingungen mit Diatrizoat, mit und ohne Kalziumzusatz (11,3 mmol/l), und Metrizamid (320 mg/ml Jod), in jeweils einer Untersuchung, links und rechts koronarographiert und mit Diatrizoat sowie Metrizamid zweimalig lävographiert. Im Rahmen der selektiven, links- und rechtskoronaren Injektionen bewirkt der Kalzium-Zusatz bereits eine deutliche Abschwächung der bekannten kardiodepressiven Wirkung von Diatrizoat: Der linksventrikuläre Spitzendruck fällt statt im Mittel um 30±11% (einfache Standardabweichung) um lediglich 23±12% gegenüber dem Ausgangswert ab, dP/dtmax statt um 31±15% um lediglich 20±10%. Im paarweisen Vergleich der Injektionsreaktionen mit und ohne zugesetztem Kalzium, zeigt sich der Unterschied als schwach signifikant (p〈0,05). Bei Verwendung des nichtionischen Metrizamids zeigen sich die kardiodepressiven Nebenwirkungen in noch geringerer Ausprägung. Die Druckminderung im linken Ventrikel beträgt hier nur 13±10%, die Kontraktilität fällt lediglich um 7±7% ab (bezogen auf einen mittleren Ausgangswert). Der Unterschied zu den Reaktionen unter Diatrizoat allein ist mitp〈0,001 hochsignifikant. Die unter Diatrizoat zum Teil ausgeprägte Frequenzverlangsamung zeigt sich unverändert auch bei Zusatz von Kalzium. Bei Verwendung von Metrizamid ist sie nur angedeutet. Bei der linksventrikulären Injektion zeigen sich deutliche Unterschiede in der Phase peripherer Vasodilatation. Während es hier unter Diatrizoat zu einem deutlichen Druckabfall kommt, ist dieser unter Metrizamid, dem Kontrastmittel mit wesentlich niedrigerer Osmolarität, kaum nachzuweisen (p〈0,001). Da unter Metrizamid die unerwünschten, kardialen Nebenwirkungen, wie Senkung des Perfusionsdrucks, gering sind, erweist es sich als besonders geeignet für die Untersuchung von Risikopatienten. Hinsichtlich seiner geringen Nebenwirkungsrate übertrifft es auch Diatrizoat in Kombination mit Kalzium.
    Notes: Summary Cardiodepressive side effects of angiocardiography can be reduced by using non-ionic metrizamide (Amipaque) or adding calcium to diatrizoate (Urografin 76%). In 15 patients with coronary artery disease undergoing heart catheterization, we compared cardiac side effects of coronary angiography and left ventricular angiography using metrizamide and diatrizoate with and without additional calcium (11,3 mmol/l) as contrast media under randomized conditions. In selective intracoronary injection with diatrizoate alone, peak left ventricular pressure and contractility (dP/dtmax) showed a fall of 30±11% and 31±15% (n=33 injections). Using diatrizoate with added calcium (11,3 mmol/l), the fall was only 23±12% and 20±10% respectively (n=31 injections). With metrizamide (n=32 injections) cardiac side effects are even less and the decrease in pressure and contractility only 13±10% and 7±7% respectively, which its highly significant (p〈0,001) compared with the effect of diatrizoate. The heartrate slowing, not essentially altered by calcium addition, was minimal using non-ionic metrizamide. In left ventricular angiography, the pressure fall in the late phase after injection of diatrizoate, caused by decreased peripheral vascular resistance (vasodilation), was lacking when injecting metrizamide (p〈0,001). Metrizamide has even less cardiodepressive side effects than diatrizoate with additional calcium when used in angiocardiography and seems to be suitable particularly for the evaluation of high risk patients.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 68 (1990), S. 880-885 
    ISSN: 1432-1440
    Keywords: Wegener's granulomatosis ; Granulomatous giant cell myocarditis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A 28-year-old male patient suffering from Wegener's granulomatosis died suddenly with signs of cardiac failure after clinical symptoms had basically subsided under chemotherapy. Autopsy revealed pulmonary granulomata, necrotizing vasculitis of the lungs and kidneys, focal and segmental necrotizing glomerulonephritis, and diffuse granulomatous and necrotizing giant cell myocarditis. Histological confirmation of inflammation of the heart in Wegener's disease has rarely been reported. Although cardiac involvement in Wegener's granulomatosis sometimes is suspected, it is usually thought to have no major impact on the course of the disease. By its dramatic clinical and morphologic presentation this case illustrates that the heart, in addition to the lungs and kidneys, may determine the outcome of the idiopathic granulomatous vasculitis of Wegener.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1440
    Keywords: Ibuprofen thrombocytopenia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Acute thrombocytopenic purpura temporally related to the oral administration of ibuprofen developed in a patient with ankylosing spondylitis. Clinical manifestations, with sudden onset occurring within t2 h of drug ingestion and rapid increase of platelet counts following discontinuation of the drug, were characteristic of an antibody-mediated immune pathomechanism. Immunological studies demonstrated IgM and IgG antibodies in the patient's serum that were capable of binding to allogenic platelets in the presence of a metabolite preparation. This finding suggested that an ibuprofen metabolite, rather then the drug itself, was the antigenic agent responsible for the immune reaction. Despite its widespread therapeutic use, ibuprofen has not been described previously as causing immune-mediated thrombocytopenia.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Basic research in cardiology 78 (1983), S. 665-670 
    ISSN: 1435-1803
    Keywords: myosin isoenzymes ; cardiomyopathic hamster ; myocardial insufficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Myosin of the ventricular myocardium of the cardiomyopathic Syrian hamster and of control animals was analysed using non-dissociating pyrophosphate electrophoresis. Three different myosin isoenzymes exhibiting different Ca2+ activated ATPase activities were demonstrated in the ventricular myocardium of the Syrian hamster. As shown by peptide mapping, ventricular myosin isoenzymes differ in their heavy chain composition. In the cardiomyopathic hamster a shift to myosins of lower Ca2+-activated ATPase activities occurs in the stage of insufficiency (age 220 days), whereas no different isoenzyme pattern could be found at the age of 65 days compared to control animals. We conclude that this redistribution of myosin isoenzymes is the basis of reduced myosin ATPase activity in the ventricular myocardium of the cardiomyopathic Syrian hamster during the development of myocardial insufficiency.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 68 (1990), S. 914-920 
    ISSN: 1432-1440
    Keywords: Dilated cardiomyopathy ; Enteroviruses ; Nucleic acid hybridization ; Heart transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In order to evaluate the role of enteroviral infections in end stage dilated cardiomyopathy, RNA was isolated from left ventricular myocardium of patients with dilated cardiomyopathy explanted during heart transplantation (n=6) and from control hearts (n=8), then probed using a dot blot procedure with two well-defined enteroviral cloned cDNA probes. One of the cardiomyopathic heart samples hybridized with the enteroviral probes, while RNA samples from the other diseased heart and the control heart demonstrated no hybridization. To verify further the enteroviral infection, a cDNA prepared from the positive heart RNA hybridized with Southern blotted coxsackievirus B3 and poliovirus 1 nucleotide sequences, while a control sample, which gave negative results in the dot blot, showed no hybridization to the enteroviral sequence. These results provide evidence for an enteroviral infection in certain patients with end stage dilated cardiomyopathy.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 67 (1989), S. 1010-1013 
    ISSN: 1432-1440
    Keywords: Acute myocardial infarction ; Erythrocytosis ; Smoking
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A 29-year-old heavy smoker presented with an acute myocardial infarction and hematocrit of 70%. At immediate coronary angiography a complete occlusion of the right coronary artery was found. After intracoronary urokinase the coronary arteries were found to be completely normal. Causes for the erythrocytosis other than smoking could be excluded. We conclude that thrombotic coronary occlusion with acute myocardial infarction was caused by erythrocytosis due to heavy smoking.
    Type of Medium: Electronic Resource
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