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  • 1
    ISSN: 1432-2277
    Keywords: Key words Liver transplantation ; Alcoholic cirrhosis ; Alcohol relapse ; Outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Because of the donor shortage, there are concerns for liver transplantation in patients with alcoholic cirrhosis. We therefore analyzed patients transplanted for alcoholic cirrhosis at our center with respect to patient and graft survival, recurrence of disease, and postoperative complications. Out of 1000 liver transplantations performed in 911 patients, 167 patients were transplanted for alcoholic cirrhosis; 91 patients received CsA- and 76 patients FK506-based immunosuppression. Recurrence was diagnosed by patient's or relative's declaration, blood alcohol determination, and delirium. Diagnosis and treatment of acute and chronic rejection was performed as previously described. One- (96.8 % versus 91.3 %) and 9-year patient survival (83.3 % versus 80 %) compared well with other indications. Five of 15 patients died due to disease recurrence. Recurrence of disease was significantly related to the duration of alcohol abstinence prior to transplantation. In patients who were abstinent for less than 6 months (17.1 %), recurrence rate was 65 %, including four of the five patients who died of recurrence. Recurrence rate decreased to 11.8 %, when abstinence time was 6–12 months and to 5.5 %, when the abstinence times was 〉 2 years. Next to duration of abstinence, alcohol relapse was significantly related to sex, social environment, and psychological stability. The incidence of acute rejection compared well with other indications (38.1 %); CsA: 40.1 % versus 33.3 % in FK506 patients. In all, 18.2 % of CsA patients experienced steroid-resistant rejection compared with 2.6 % of FK506 patients. Seven patients (7.6 %) in the CsA group and one patient (1.3 %) in the FK506 group developed chronic rejection. A total of 57.1 % developed infections; 5.7 % were life-threatening. CMV infections were observed in 14.3 % (versus 25 % for other indications). New onset of insulin-dependent diabetes was observed in 8.6 % and hypertension in 32.4 %. In conclusion, alcoholic cirrhosis is a good indication for liver transplantation with respect to graft and patient survival and development of postoperative complications. FK506 therapy was favourable to CsA treatment. Patient selection is a major issue and established criteria should be strictly adhered to. Patients with alcohol abstinence times shorter than 6 months should be excluded, since recurrence and death due to recurrence was markedly increased in this group of patients.
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  • 2
    ISSN: 1432-2277
    Keywords: Key words Liver transplantation ; Multiple organ dysfunction syndrome ; Patient outcome ; Donor recipient status
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We have previously shown that the development of multiple organ dysfunction syndrome (MODS) after liver transplantation significantly reduced patient survival. Therefore, the question arises of which are the most prominent perioperative donor and recipient factors leading to MODS after transplantation. In total, 634 patients with 700 liver transplants were analyzed. Donor factors included age, increase in transaminases, sex mismatch, requirement for catecholamines, intensive care time, histology, and macroscopic graft appearence. Recipient factors included Child classification, preoperative gastrointestinal (GI) bleeding, mechanical ventilation, hemodialysis, and requirement for catecholamines. MODS was defined by more than two severe organ dysfunctions. The cumulative 2 to 9-year patient survival was 90.9 % in patients developing less than 3 severe organ dysfunctions following transplantation. Survival decreased to 60.3 % in patients with MODS. Neither any of the donor factors nor the duration of cold ischemia (CIT) was associated with an increase in MODS or decrease in survival. On the other hand, duration of warm ischemia, amount of blood loss, requirement for red packed blood cells, and reoperation had an influence on the development of MODS (40 %–56 %) and decreased patient survival to 58 %–69 %. Preoperative therapy with catecholamines, GI bleeding, mechanical ventilation, and hemodialysis were associated with the development of MODS in 54 %–88 %. Patient survival following MODS decreased to 50 %–74 %. Initial graft function had a slight influence on the development of MODS, but no influence on the long-term patient survival. In conclusion, patient survival was significantly influenced by the development of postoperative MODS. The most prominent factors in this were recipient and intraoperative ones. No major influence was observed for donor factors, CIT, and initial graft function. Prevention of MODS will further improve the outcome after liver transplantation.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-2277
    Keywords: Key words Liver transplantation ; Hepatitis C
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The optimal immunosuppressive regimen in patients transplanted for hepatitis C (HCV) is still under discussion. High immunosuppression may promote viral replication and recurrent graft hepatitis. But acute and chronic rejection frequently seen in conjunction with HCV recurrence may require some rescue therapy. One hundred and thirty-seven patients transplanted for HCV cirrhosis, who were HCV-RNA positive prior to transplantation, were analyzed. Seventy-nine patients received CSA-based immunosuppression and 58 patients FK506-based immunosuppression. One-month patient survival was 100 % in both groups. Three month and 1-year survival rates and the cumulative 1–5-year patient survival was similar in CsA-treated [67/79 (84.8 %)] and FK506-treated patients [50/58 (86.2 %)]. Retransplantations for HCV recurrence were performed in 5.1 % of CsA-treated patients and 6.9 % of FK506-treated patients; it was successful in 50 % and 75 % of patients, respectively. Conversion from CsA to FK506 and vice versa was high with 25 out of 79 patients (31.6 %) converting in the CsA group and 8 out of 58 patients (13.8 %) converting in the FK506 group. Conversion to FK506 was performed due to acute and chronic rejection and to CsA because of toxicity and HCV recurrence. In both groups, 25 % of converted patients died. Five patients of the CsA group and 9 of the FK506 group received OKT3; more than one-third of each group died. Five patients in the CsA group and 6 in the FK506 group received mycophenolate mofetil (MMF) for HCV recurrence or acute and chronic rejection in conjunction with HCV recurrence. All patients of this critical group are alive with good graft function. In conclusion, survival rates of HCV patients were similar to those seen for other indications. Conversion from CsA to FK506 and vice versa was high and reflects a critical group concerning patient survival. OKT3 treatment should be avoided. A promising therapeutic option for critical patients experiencing acute or chronic rejection in conjunction with HCV recurrence may be treatment with MMF.
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 32 (1949), S. 744-756 
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Wir haben die Synthese des Citrullins aus Ornithin durch die Mitochondrienfraktion der Leber (Ratte) bei Gegenwart von Glutamin untersucht. Bei Glutaminkonzentrationen von 20-30 μ Mol/cm3 ist das Amid mit oder ohne Zusatz von Ammoniumsalzen der Glutaminsäure plus Ammoniumsalz stark überlegen. Bei kleinen Konzentrationen, unter 3 μ Mol/cm3 liefert aber die Glutaminsäure unter allen Umständen mehr Citrullin als das Glutamin. Es ist also wenig wahrscheinlich, dass das Glutamin eine direkte Zwischenstufe der Synthese ist. Die Wirksamkeit des Amids lässt sich andererseits aber nicht einfach durch die Hydrolyse der Säureamidgruppe erklären. Dieselbe scheint eine spezifische Funktion zu haben. Das Glutamin steht offenbar zu einem Zwischenglied der Citrullinsynthese in enger Beziehung.
    Additional Material: 6 Ill.
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  • 5
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Homogenat oder Suspensionen von Mitochondrien aus Rattenleber bilden aus Glutaminsäure Asparaginsäure. Die Asparaginsäure wurde durch Papierchromatographie nachgewiesen. Malonat hemmt die Reaktion.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 6
  • 7
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 35 (1967), S. 294-301 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Für die präparative Synthese von Phenyl-isotrithion (I) aus Phenylacetylen-Na, Schwefel und Schwefelkohlenstoff ist ein Protonenüberträger erforderlich, wie am Beispiel des Deutero-I (III) mit Aceton-d6 gezeigt wird. Stärkere acide Zusätze bewirken eine Dimerisierung des Mercaptids II zu Benzyliden-phenyl-1,3-dithiol (IV). Die Struktur dieses bildungsbegünstigten Heterocyclus, der u. a. auch bei der Einwirkung von Schwefel auf Enamine des Typs VI also Konkurrenzprodukt des Thioamids VII entsteht, wird durch unabhängige Synthese gesichert. Sekundäre Amine addieren bei Raumtemperatur an II unter Bildung von VII.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 34 (1951), S. 971-988 
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Sowohl aus Indan (I) als auch aus 2-Methyl-indan (Ia) werden nach der Diazoessigester-Methode je zwei Azulen- bzw. 2-Methyl-azulen-carbonsäuren erhalten. Die Lichtabsorption dieser vier Verbindungen im Infrarot, Sichtbaren und Ultraviolett wurde eingehend untersucht. Auf Grund der Ergebnisse lassen sich die Präparate als Azulen-5-carbonsäure (VI), Azulen-6-carbonsäure (VII), 2-Methyl-azulen-5-carbonsäure (VIa) und 2-Methyl-azulen-6-carbonsäure (VIIa) charakterisieren.
    Additional Material: 9 Ill.
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  • 9
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 34 (1951), S. 1868-1872 
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die von Baechler aus Crataegus oxyacantha L. gewonnene „Crataegussäure“ ist ein Gemisch. Die Hauptmenge dieses Gemisches wurde als Ursolsäure, eine pentacyclische ungesättigte Monooxytriterpensäure der α-Amyrin-Gruppe identifiziert. Auf Grund dieses Befundes schlagen wir vor, die Bezeichnungen „Crataegussäure“ und „Crataeguslacton“, C32H52O4, aus der Literatur zu streichen.
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  • 10
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 37 (1954), S. 271-281 
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Konstitution einiger Azulen-carbonsäuren wurde durch ihre Überführung in die entsprechenden Isopropyl-azulene bestätigt.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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