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  • 1
    Electronic Resource
    Electronic Resource
    Position Paper: Allergen standardization and skin tests (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 48 (1993), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1993.tb04756.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Estimation of skin prick test reactions with a scanning program (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 51 (1996), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We evaluated a new method of computer-based scanning of skin prick test wheal areas. To test the calibration of the program, we scanned five constructed circles of exactly defined areas between 5 and 255 mm2. One of these circles was scanned in different degrees of contrast (modes), the middle mode being used in the other experiments. We also investigated the inter-and intraoperator variation. Finally, results obtained by measuring diameters of wheals and by the new method of area determination were compared for 82 histamine and 75 egg wheals. The areas found agreed well with the real areas (P〈0.01) (mean 97.4–100.8%), except for the smallest wheal (5 mm‘) (NS). Areas obtained in the “middle position” closely resembled the real area. The intraoperator coefficient of variation (C.,) was 1.4% (0.3–4.3), the day-to-day C.V. was 1.9% (0.2–5.3), and the interoperator C.V. was 2.3% (0.7–5.7), with a higher C.V. for small areas. Histamine and egg wheals were significantly larger with the diameter method (126% and 129%, respectively) than with the area method. The difference between the methods was most pronounced for small wheal areas. The C.V. of the scanning method was significantly lower than that of the diameter method. The new program is precise and is recommended for registration of skin test reactions in scientific trials. Although the scanner works well and has high precision, the major problem in skin testing seems still to be the reproducibility of the skin test technique employed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1996.tb00023.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Guidelines for the standardization of bronchial provocation tests with allergens (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 46 (1991), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1991.tb00594.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Aspergillus fumigatus specific IgE and IgG antibodies for diagnosis of Aspergillus-related lung diseases (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 46 (1991), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: IgE and IgG antibodies against Aspergillus fumigatus were detected by crossed radio immunoelectrophoresis (CRIE) on the sera of seven patients with aspergilloma, six patients with allergic broncho-pulmonary aspergillosis (ABPA) and 25 patients with extrinsic asthma with Aspergillus allergy. IgE-CRIE analysis indicated the presence of A. fumigatus-specific IgE in sera of patients with ABPA and Aspergillus asthma but not of aspergilloma patients. IgG-CRIE showed that both aspergilloma and ABPA patient sera contained high levels of circulating specific IgG antibodies in contrast to sera of Aspergillus asthma patients, which did not show detectable amounts of Aspergillus-specific IgG antibodies. Specific IgE binding could be demonstrated for the major allergens Ag-10 and AG-40 in all ABPA patients, in 80% of Aspergillus asthma patients but not in sera from aspergilloma patients. Specific IgG antibodies directed towards the major allergens could be detected in most of the aspergilloma patients, between 30–70% of the ABPA patients but not in sera from patients with Aspergillus asthma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1991.tb00601.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Hyposensitization in asthmatics with mPEG modified and unmodified house dust mite extract (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 44 (1989), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In a 2-year study, 46 asthmatics with verified allergy to the house dust mite D. pteronyssinus (Dp) were included either as controls (Ctls) or receiving hyposensitization (HS) with unmodified or monomethoxypolyethylene glycol (mPEG) modified Dp-extract. Patients were monitored by annual challenges with histamine in bronchi, and Dp allergen in bronchi, nose and conjunctiva. mPEG-modified extract was not inferior to unmodified Dp-extract; both were to some extent able to improve tolerance to Dp and histamine in bronchi and to Dp in nose and eyes. During the 1st year, the bronchial sensitivity to Dp decreased significantly in the HS groups but not in the Ctls. During the 2nd year, improvement was more pronounced in the Ctl group. The relative increase in Dp or histamine tolerance did not differ significantly between groups after either 1 or 2 years; the only exception was conjunctival sensitivity, which in the Ctl group was unchanged, and a 10-fold increase in tolerance in the HS groups. No direct benefit was seen on late-phase bronchial reactions. In patients with improved pulmonary symptoms a tendency was seen towards reduced sensitivity to histamine and Dp. Variation within groups was extensive.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1989.tb04189.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Diagnosis and immunotherapy of mould allergy (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 42 (1987), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The IgE-response was evaluated by skin prick test, bronchial provocation test and RAST in a 1-year placebo-controlled double-blind immunotherapy study. Eleven adult asthmatics were treated with a Cladosporium allergen preparation and 11 comparable patients received histamine placebo. The bronchial sensitivity (PC20) decrease 〉 0.5 log step in 8/11 (73%) Cladosporium-treated versus 3/11 (27%) in the placebo group. Corresponding figures for skin prick test sensitivity was 10/11 (91%) and 1/11 (9%) respectively. Circulating IgE showed a temporary boost in the Cladosporium group and then values approaching the pretreatment value. Only minimal and insignificant changes were found in the placebo-treated patients. Changes in IgE-reactivity were not related to allergen dose, clinical efficacy or to the occurrence of side effects. Some interrelation between changes in skin prick test, bronchial provocation test and RAST was found indicating a differentiated effect of immunotherapy on various IgE compartments. In spite of the pathogenetic role of IgE in allergic diseases, changes in IgE-reactivity do not seem directly involved in the mechanisms underlying the clinical efficacy of immunotherapy but might be of importance in a complex interaction with other immunological parameters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1987.tb02214.x
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  • 7
    Electronic Resource
    Electronic Resource
    Diagnosis and Immunotherapy of Mould Allergy (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 40 (1985), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In order to screen for mould allergy, extracts of five common atmospheric moulds (Cladosporium, Alternaria, Penicillium, Aspergillus and Mucor) from various manufacturers were investigated in 130 patients (5–60 years old) with clinical symptoms indicating possible mould allergy. The patients were screened by skin prick test (SPT) and radioallergosorbent test (RAST). SPT seemed to be more sensitive than RAST as a diagnostic screening procedure (80% positive reactions to one or more species compared to 50%). With a partially purified, standardized preparation of Cladosporium herbarum more positive reactions were obtained than with crude extracts without evidence of any unspecific reactions. The difference between commercial and standardized extracts is most probably a result of a variation of both the biological potency of allergenic determinants and the allergenic composition. A considerable number of negative RAST reactions with standard discs were found in patients with positive skin reactions to partially purified Cladosporium, but RAST seemed to be more sensitive than SPT with the other commercial mould extracts. Based on the screening, a very convincing tendency to IgE-reactivity to other moulds was found in patients reacting to Cladosporium, the most common cause of mould allergy. The results confirm the inadequacy of most mould extracts used in diagnostic procedures and strengthen the value of using standardized extracts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1985.tb02669.x
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Microbial products in allergy prevention and therapy (2003)
    Oxford, UK : Munksgaard International Publishers
    Allergy 58 (2003), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1398-9995.2003.00175.x
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  • 9
    Electronic Resource
    Electronic Resource
    Book reviews (2001)
    Copenhagen : Munksgaard International Publishers
    Allergy 56 (2001), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1398-9995.2001.056006586.x
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Biologic activity of Dermatophagoides siboney and Blomia tropicalis allergens in exposed and unexposed mite-allergic individuals. Effect of patient selection on the biologic standardization of mite extracts (1999)
    Copenhagen : Munksgaard International Publishers
    Allergy 54 (1999), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background: This study aimed to investigate the influence of patient selection criteria, i.e., mite-allergic individuals exposed and not exposed to Dermatophagoides siboney and Blomia tropicalis, on the biologic activity of mite extracts. Determination of the potency of mite extracts in vivo requires selection of patients with a clinical history of mite allergy. In Scandinavia, there are some anamnestic criteria for mite allergy, whereas in the tropics, where patients are continuously exposed to high levels of mites, selection of patients with mite allergy by clinical history is difficult. Methods: A total of 210 Cuban asthmatics with continuous symptoms, and 43 Swedes with a clinical history of mite allergy were investigated. Skin prick tests were performed with D. siboney, D. pteronyssinus, D. farinae, B. tropicalis, Acarus siro, Lepidoglyphus destructor, and Tyrophagus putrescentiae extracts. For analysis of the biologic activity of mite extracts, Cuban patients were divided into four groups:1)all patients skin-test-positive to mites2)patients positive to mites, but not to other inhalant allergens3)patients reacting most to the mite species analyzed4)patients reactive only to mites and reacting most to the mite species analyzed.The biologic potency was calculated according to the Nordic Guidelines. Results: Due to cross-reactivity between mites, Swedish mite-sensitive patients, with a clear clinical history of mite allergy, but not exposed to D. siboney and B. tropicalis, were more skin reactive to these mites than were Cubans. The estimated potency increased gradually to 〉200% in group 4. In group 1 Cubans, the reactivity to all mites but B. tropicalis was lower than that in mite-sensitive Swedes. Conclusions: According to the influence of patient selection criteria on the estimation of the potency of mite extracts, the determination of the biologic activity of allergenic extracts in subjects without a clear-cut clinical history should be replaced by new methods when available.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1398-9995.1999.00875.x
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