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  • 1
    ISSN: 1432-1440
    Keywords: Amanita phalloides poisoning ; Amatoxins ; Pharmacodynamics ; Plasmapheresis ; Peritoneal dialysis ; Diuresis forced ; Knollenblätterpilzvergiftung ; Amatoxine ; Kinetik ; Plasmapherese ; Peritonealdialyse ; Diurese, forciert
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In einer 3 Jahresperiode (1975–77) wurden an der Intensivpflegestation des Krankenhauses „Ospedale Maggiore Policlinico“ in Mailand 50 Patienten mit der Verdachtsdiagnose einer Knollenblätterpilzvergiftung stationär aufgenommen. Für 47 dieser Patienten wurde die Diagnose „a posteriori“ durch positiven Nachweis der Amatoxine in Serum oder Urin und/oder typische Leberzellnekrose bestätigt. Im Therapieschema waren neben unspezifischer Therapie verschiedene Möglichkeiten zur forcierten Elimination der Amanita Toxine vorgesehen (Peritonealdialyse, Plasmapherese, forcierte Diurese). Im selben Patientengut wurde durch FIUME und Mitarb. [6] der erste radioimmunologische Amatoxinnachweis im Serum (1975) und im Urin (1976) erbracht, wodurch die Möglichkeit einer solchen Therapie innerhalb einer Zeitspanne von ungefähr 36 Stunden nach der Pilzmahlzeit bestätigt wurde. Dank allgemeiner Intensivpflegemaßnahmen und Eliminationstherapie waren die Ergebnisse mit einer Mortalität von 12.7% (n=6) insgesamt relativ günstig; von besonderer Bedeutung aber erscheint, daß in der Gruppe mit frühzeitiger Eliminationstherapie (n=35) in 12 Patienten, trotz gesicherter Amanita Vergiftung, ein nennenswerter toxischer Leberschaden verhindert werden konnte, während dieser in 14 Patienten als mittelgradig gewertet wurde. Daß 9 Patienten trotzdem aber schweren Leberzellschaden bis zum Coma hepaticum (n=4) erlitten, mag sowohl auf die Schwere der Vergiftung, als auch auf individuelle Unterschiede in der Kinetik der Amanita Toxine zurückzuführen sein. Es ist durchaus möglich, daß auch in solchen Fällen eine frühere, besser und intensiver durchgeführte Eliminationstherapie die Ergebnisse weiterhin verbessern kann.
    Notes: Summary In a 3 year period (1975–77) 50 patients have been admitted to the I.C.U. of Polyclinic Hospital of Milan for poisoning from mushrooms of Amanita genus. In 47 cases the diagnosis was confirmed “a posteriori” by serum or urinary detection of amatoxins and/or by clinical evidence of typical liver injury. Besides the symptomatologic support, the therapeutic treatment included combined removal procedures, such as peritoneal dialysis, plasmapheresis, forced diuresis. The detection by radioimmunoassay of amatoxins [6] in the serum and in the urine of these patients proves that this therapeutic treatment can be effective within about 36 hours from ingestion time. The intensive medical care and the removal approach yielded as the whole favourable results in our patients (overall mortality was 6 patients, i.e. 12,7%). It should moreover be emphasized that of the 35 patients, who had been treated with early removal techniques, 12 with ascertained amanita poisoning, had neither clinical nor biochemical evidence of hepatic damage; 14 had a moderate liver damage; 9 experienced a severe liver failure and hepatic coma occurred in 4 of the latter. These poor results can be ascribed to the severity of the poisoning as well as to a peculiar kinetic of amatoxins in each subject.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1612-1112
    Keywords: Column liquid chromatography ; Enantio separation ; ChiralcelR OJ ; Anti-HIV agents
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Anti-HIV enantiomeric 1H, 3H-thiazolo[3, 4-a] benzimidazoles have been stereospecifically analyzed by elution on a column of cellulose tris-(4-methyl-phenylbenzoate)ester adsorbed on macroporous silica (ChiralcelR OJ). The enantiomeric resolution of the compounds examined is linked to a complex and competitive contribution of different factors.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1612-1112
    Keywords: Column liquid chromatography ; Enantioseparation ; ChiralcelR OJ ; Anti-HIV agents ; Thiazolo-benzimidazoles
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary A series of enantiomeric 1H,3H-thiazolo[3,4-a] benzimidazoles with anti-HIV activity has been stereospecifically analyzed. The enantiomeric resolution has been carried out by means of an HPLC method using a column of cellulose tris-(4-methyl-phenylbenzoate) ester adsorbed on macroporous silica gel (ChiralcelR OJ).
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1612-1112
    Keywords: Column liquid chromatography ; Enantioseparation ; Chiralcel OD ; γ-Lactams
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary A high-performance liquid chromatographic method is reported for the resolution of the enantiomers of a series of fused γ-lactams (2,7-diaza-3-oxo[3.3.0]octan-6-ones) with probable anti-HIV and anticancer activity. Resolution was achieved on a Chiralcel® OD column, cellulose tris-(3,5-dimethylphenyl carbamate) adsorbed on macroporous silica gel; mixtures ofn-hexane and isopropyl alcohol in different proportions were used as the mobile phase. The analysis was studied at different temperatures.
    Type of Medium: Electronic Resource
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