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  • 1
    ISSN: 1432-1440
    Keywords: Liver transplantation ; α-Interferon ; Cytomegalovirus ; Vanishing bile duct syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In previous studies cytomegalovirus (CMV) infection was identified as one risk factor in the development of vanishing bile duct syndrome (VBDS) after orthotopic liver transplantation (OLT), but its precise role in relation to the pathogenesis of tissue damage is uncertain. In the present study a-interferon (α-IFN) expression in the liver was studied as an indirect marker of viral infection in serial liver biopsies from 42 patients following OLT. α-IFN was identified more frequently in the bile duct cytoplasm of patients developing VBDS, with or without evidence of preceding CMV infection (7/8 and 4/5 cases, respectively), when compared with patients with acute CMV but without evidence of VBDS (6/19 cases; P〈0.05) or those with neither complication (2/10 cases; P〈0.01). α-IFN was detectable in bile duct cytoplasm for a longer period in patients developing VBDS than in those with acute CMV infection alone (median 14 weeks and range 9–19, median 6 weeks and range 1–11 weeks, respectively; P〈 0.025). These data indicate that persistent CMV infection of bile duct cells is a likely co-factor linked to progression to VBDS, but the processes that allow persistent viral infection and bile duct destruction remain to be determined.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1041
    Keywords: Cyclosporine pharmacokinetics ; Prednisolone ; Liver transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The following study of cyclosporine pharmacokinetics was performed to investigate the effects of withdrawal of low-dose maintenance prednisolone (0.3–0.6 mg/kg body weight) from the routine immunosuppressive regimen given to 10 liver transplant recipients with stable liver function tests. After oral administration of cyclosporine (6.4–10.3 mg/kg) whole blood concentrations were measured by radioimmunoassay (RIA) with both a specific monoclonal antibody detecting parent drug and a non-specific antibody additionally detecting a cross-section of metabolites. Withdrawal of prednisolone produced no significant change in the mean time and concentration of maximum blood cyclosporine (3.3 h and 1160 μg/l, respectively), the initial and terminal elimination half-life (3.5 h and 18.4 h, respectively) and the area under the blood concentration versus time curve (AUC) measured with either the specific or non-specific monoclonal antibody. Measurements with these two antibodies indicated that the terminal elimination of cyclosporine metabolites was more rapid than for the parent drug (half-life: 14.5 vs 18.4, respectively).
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford UK : Blackwell Science Ltd.
    Alimentary pharmacology & therapeutics 11 (1997), S. 0 
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The economic assessment of liver transplantation is complex and involves the cost of the transplant procedure, the cost of alternative treatments and the positive economic contribution of successful outcomes. The one-year survival rates are currently in the order of 80–90% for elective transplants and 60–75% for emergency transplantation. The average cost of a liver transplant operation in the UK is between £32 000 and £45 000. Factors which have a major influence on costs are aetiology, patient status at the time of transplantation, retransplantation and duration of hospital stay. Rejection episodes, renal impairment and surgical complications are of intermediate importance. The cost of transplantation must be balanced against the cost of alternative treatments that would be required if the patient were not transplanted and the positive economic benefit derived from excellent rehabilitation in the majority of recipients.
    Type of Medium: Electronic Resource
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