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Biomedical subjects

B Meding

Publications and source records attributed to B Meding.

53 records · Page 3Linked to original sources

Epidemiology of different types of hand eczema in an industrial city.

Different types of hand eczema in an industrial city were studied. Questionnaires were sent to 20,000 individuals aged 20-65 years, randomly selected from the population register of the city. Those subjects (1,385) considering themselves to have had hand eczema within the previous 12 months were invited to a dermatological examination. It was found that hand eczema occurred twice as often among females as among males. The most common diagnosis was irritant dermatitis. Atopic hand eczema and allergic contact dermatitis had a lower but approximately equal prevalence. Onset of hand eczema at young ages was common, in particular among women. Hand eczema was shown often to be a long-lasting disease with a relapsing course. Atopic hand eczema seemed to be most unfavourable, with a long duration, high continuity of symptoms and extensive involvement.

Adult↗

Comparative multi-center study with TRUE Test and Finn Chamber Patch Test methods in eight Swedish hospitals.

292 individuals were patch tested with twelve allergens, using a new patch test technique, TRUE Test (TT). As controls, the same allergens in standard concentrations in petrolatum were applied using the Finn Chamber technique (FC). The allergen doses used in TT were chosen according to results from a previous serial dilution patch test study. There were reactors to all twelve allergens. The concordance of positive reactions between TT and FC was 78%. 10% were indicated only with TT and 12% FC only. Irritant reactions occurred in the same order of magnitude for the two tests. Weak positive, uncertain, and irritant reactions observed with the different test methods used, indicate minor errors of allergen dosage in both. The investigation indicates that the TRUE Test method is simple to handle, is well standardized and gives good accuracy with the 12 allergens investigated.

Allergens↗

Prevalence of hand eczema in an industrial city.

The occurrence of hand eczema in an industrial city was studied. Questionnaires were sent to 20,000 individuals aged 20-65 years, randomly selected from the population register of the city. After two reminders, a response rate of 83% was obtained. Analysis of the drop-outs did not indicate that the presence of hand eczema was an important selection factor for response to the questionnaire. Those subjects considering themselves to have had hand eczema within the previous 12 months were invited to a dermatological examination to verify the diagnosis and for further investigation. Seventy-one per cent accepted the invitation. Analysis of drop-outs showed that willingness to attend the dermatological examination was to some extent dependent on the severity of the hand eczema. It was found that almost 11% considered themselves to have had hand eczema at some time during the previous 12-month period; approximately two thirds were women. Five point four per cent had had hand eczema at a particular point in time (prevalence) and 2% had had continuous problems with hand eczema during the previous year.

Adult↗

Contact allergy to dental materials in patients with orofacial complaints.

Two groups of individuals were patch tested for frequencies of contact allergy to dental materials. The patient group with orofacial and distant symptoms and complaints referred to the Department of Prosthetic Dentistry were compared with an age-sex matched control group of individuals referred to the Department of Dermatology. The results did not show any differences in patch test reactions between the patient and control groups. The study did not prove any obvious associations between the patients' symptoms or objective findings and the patch test results.

Adult↗