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  • 1
    ISSN: 1433-0385
    Keywords: Key words: Carbohydrate-deficient transferrin ; Alcohol consumption ; Squamous cell carcinoma of the esophagus ; Preoperative risk analysis. ; Schlüsselwörter: Kohlenhydratdefizientes Transferrin (CDT) ; Alkoholkonsum ; Plattenepithelcarcinom des Oesophagus ; präoperative Risikoanalyse.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung. In einer prospektiven Studie zur präoperativen Risikoerfassung der Alkoholabhängigkeit wurden 46 Patienten untersucht, bei denen eine Oesophagektomie wegen eines Plattenepithelcarcinoms durchgeführt wurde. Bei allen Patienten wurde präoperativ der Alkoholmarker kohlenhydratdefizientes Transferrin (CDT) im Serum bestimmt und mit dem Auftreten einer postoperativen Entzugssymptomatik (ja/nein) und dem postoperativen Verlauf (gut/mittel/schlecht/Tod) in Beziehung gesetzt. Für das untersuchte Kollektiv traten bei erhöhtem CDT-Wert signifikant häufiger Entzugssymptome auf (Median des CDT mit Entzug 17,0 U/l vs. ohne Entzug 10,7 U/l; p = 0,0006) bzw. fand sich bei erhöhtem CDT ein signifikant schlechterer postoperativer Verlauf (Median des CDT für mittleren/schlechten/letalen postoperativen Verlauf 14,0 U/l vs. guten Verlauf 10,8 U/l; p = 0,02). Der präoperative CDT-Wert korrelierte signifikant (p = 0,04) mit den anamnestischen Angaben über den präoperativen Alkoholkonsum (normal/erhöht/ stark erhöht). In einer multivariaten logistischen Regressionsanalyse waren CDT und präoperativer Alkoholkonsum unabhängige Parameter, die signifikant den postoperativen Verlauf bzw. Entzug vorhersagten. Für den CDT-Cut-off-Wert von 〈 15,3 U/l wurde hinsichtlich des Parameters „postoperativer Entzug eine Sensitivität“ von 71,4 % und eine Spezifität von 84,4 % berechnet. Die Bestimmung des CDT kann vor einer geplanten Oesophagektomie Patienten mit übermäßigem Alkoholkonsum sicher identifizieren.
    Notes: Summary. In a prospective study the preoperative risk of alcohol addiction was evaluated in 46 patients with squamous cell carcinoma of the esophagus. In all patients the alcohol marker carbohydrate-deficient transferrin (CDT) was measured prior to esophagectomy and correlated with the incidence of postoperative withdrawal symptoms (yes/no) and the postoperative course (good/moderate/poor/fatal). Withdrawal symptoms were more frequently observed in cases of elevated CDT values (median of CDT with withdrawal 17.0 U/l vs without withdrawal 10.7 U/l; P = 0.0006). CDT values were significantly increased in case of a complicated postoperative course (median of CDT for moderate/poor/fatal postoperative course 14.0 U/l vs good course 10.8 U/l; P = 0.02). The CDT value correlated (P = 0.04) with the patient's history of preoperative alcohol consumption (normal/increased/high). In a multivariate logistic regression analysis CDT and preoperative alcohol consumption were independent parameters to predict significantly the postoperative course and withdrawal. The sensitivity was 71.4 % and the specifity 84.4 % selecting the parameter “postoperative withdrawal” and a CDT cut-off point of 〈 15.3 U/l. CDT can effectively identify patients with high alcohol consumption prior to esophagectomy.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Bioluminescence and Chemiluminescence 7 (1992), S. 195-201 
    ISSN: 0884-3996
    Keywords: Amerlite ; HCG ; testicular cancer ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: An enhanced chemiluminescence immunoassay for the determination of serum human chorionic gonadotropin (HCG) in specimens from oncology patients has been assessed with respect to its cross-reactivity with the free HCG ββ-subunit (HCG-β). The assay, standardized against the First International Reference Preparation 75/537, had a crossreactivity with the free β-subunit of 625% (molar basis). Therefore this assay achieves high sensitivity for the detection of either intact HCG or free HCG-β in serum of patients with seminomatous or nonseminomatous testicular cancers. Results of both assays, the in-house immunoradiometric assay (+ HCG-β) and the Amerlite HCG-60 assay, showed a close correlation (R =0.854-0.960) when serum samples from tumour patients were analyzed. Moreover, the content of free β-subunit determined in a specific HCG-β assay, could be quantitatively measured in the enhanced chemiluminescence immunoassay. Thus, this assay is suitable for oncology use, but also highlights the limitations of measuring HCG in serum samples.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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