Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 21 for “"contact dermatitis"”.
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Photoallergic contact dermatitis in Europe
Photoallergic contact dermatitis (PACD) is a clinical problem that has often been poorly understood and neglected by dermatologists over recent years. This can be partly attributed to its investigation by photopatch testing (PPT) falling between the expertise of photobiologists and contact …
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Molecular mechanisms and complete antigen formation in allergic contact dermatitis
Allergic contact dermatitis (ACD) is a common T cell mediated skin disease. Small reactive organic molecules called haptens induce ACD. Haptens are not recognized by themselves, but need to bond to endogenous proteins in the skin, and processed further into complete antigens. Antigen specific T …
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Predictors of occupational skin disease among seafood processing workers in the Western Cape
… of symptoms (as high as 50%) and protein contact dermatitis (3-11%), the prevalence and patterns of type IV allergic contact dermatitis have not been well characterised in epidemiological studies. The aim of this study was to identify host and environmental risk factors for symptoms, …
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Determinants of work-related skin symptons and dermatitis associated with cleaning agents among health workers of two tertiary hospitals in Southern Africa
… with occupational irritant and allergic contact dermatitis in health workers (HWs), but limited information is available on predictors for these outcomes. This study investigated the prevalence and risk factors for work-related skin symptoms (WRSS) and skin disease phenotypes in HWs …
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Nature and nurture: genetic strains of broiler chickens housed in varying levels of environmental complexity
… genetic strains. In chapter 6, production, contact dermatitis, and lameness were assessed in broilers strains with different growth potentials when raised with either a hut or platform. Fast-growing broilers showed fast growth and high feed conversion efficiency compared to slow-growing …
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Contact allergy to formaldehyde. Diagnosis and clinical relevance.
… used preservatives. However, it is a well-known contact sensitiser in dermatitis patients. The aims of this work were: i) to investigate the prevalence of contact allergy to formaldehyde using the baseline patch test series; ii) to determine the optimal patch test concentration and dose for …
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Studies on Delayed-Type Hypersensitivity Including Attempts to Effect Transfer in Guinea Pigs with Subcellular Materials
… to be a unifying principle underlying both contact dermatitis and tuberculin hypersensitivity. Later studies in man have suggested that the phenomenon can be reproduced with use cell-free extracts. Similar attempts have been made with extracts of cells from sensitized guinea pigs but, there …
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Relevance of a positive latex specific IgE result in a non medical occupational setting
… to Groote Schuur occupational clinic with contact dermatitis. The IWT factory manufactures sanding and grinding discs, traditionally a low latex exposure industry. Workers at this factory were introduced to latex gloves in 2004 to protect their hands for various reasons. One of the patient …
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THE RATE OF DIFFUSION OF SODIUM SALICYLATE AND SALICYLIC ACID IN VARIOUS VEHICLES
… by the dermatologist for a variety of purposes. Contact dermatitis is an eczematous inflammation of the skin resulting from exposure of its unbroken surface to foreign material. It may result either from the primary irritant effect of the causative agent or from a specific acquired allergic …
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The Curious Poisoned Weed: Poison Ivy Ecology and Physiology
… the production of urushiol, and the associated contact dermatitis it causes in humans. Poison ivy is predicted to become both more prevalent and more noxious in response to projected patterns of global change. Moreover, poison ivy is an important food source for avian species, and urushiol has …
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Respiratory exposure and potential dermal exposure to volatile organic compounds in nail salons : a pilot study
… potential that may lead to allergic contact dermatitis. The methods used to determine potential dermal exposure as well as adjusted dermal exposure remains problematic. This is due to the high percentage of adjusted dermal exposure values that had to be estimated and the fact that the …
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Molecular Mechanisms of Itch Sensations
… short time period after insect bites or allergen contact. Chronic itch happens in various skin diseases such as atopic dermatitis: AD) and psoriasis. Chronic itch usually continues for over six weeks and is resistant to commonly used anti-histamine drugs. While pain has caught an early attention …
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Feasibility Study of Liquid-Based Cytology for Post-Treatment Surveillance of Patients with Vulvar Intraepithelial Neoplasia
… VIN I (n=33), VIN 2/3 (n=13), benign (n=4), contact dermatitis and condyloma (n=1 each). Ninety percent of the vulvar samples were adequate for cytologic evaluation, but only 72% of samples had adequate cellularity for HPV testing. Sensitivity, specificity and positive predictive value (PPV) …
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Drug allergy in veterinary medicine awareness, incidence, and clinical characteristics
… and to establish an incidence for drug allergic contact dermatitis in dogs (7.7% of all drug allergic reactions). The incidence, the clinical pattern, and the drugs involved, matched what has been described in human medicine. This study also demonstrated a link between early drug discontinuation …
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Risk factors for work-related asthma in health workers with exposure to diverse cleaning agents in two African health care settings
… health effects such as rhinitis, asthma and contact dermatitis. There is however little information on the specific cleaning agents and tasks associated with various asthma-related outcomes. Furthermore, limited information exists regarding exposure-response relationships between the …
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Caracterización de la dermatitis de contacto ocupacional por níquel : revisión sistemática
Introducción: La dermatitis de contacto ocupacional (DCO) es considerada como la enfermedad profesional de mayor incidencia y la causada por níquel es la más frecuente en pacientes con prueba de parche. Los datos epidemiológicos de la patología son limitados, debido a la falta de estandarización de …
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Research on Allergic Dermatitis in the Varna Region // Проучване върху алергодерматозите във Варненски регион
Алергичният контактен дерматит (АКД) представлява имунологично-медиирана, възпалителна реакция от забавен (IV) тип при сенсибилизирани към даден алерген индивиди. След настъпване на сенсибилизация на организма, последващата експозиция на алергена, която е над индивидуалния праг на чувствителност …
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Contact allergy to fragrances with a focus on oak moss absolute
The exposure to fragrances is widespread and contact allergy to fragrance substances affects 1–4% of the general population. Many fragrance substances are volatile and it can therefore be suspected that they may evaporate from petrolatum patch test preparations applied in test chambers. In the …
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Analytik von phenolischen Substanzen und Epoxiden in Materialien mit Lebensmittel- und/oder dermalem Kontakt
Ein Großteil der Lebensmittel wird in der heutigen Zeit vor allem aufgrund ihrer langen Haltbarkeit in Konservendosen verpackt. Zur Qualitätserhaltung des Lebensmittels werden Weißblechdosen im Innenbereich in der Regel mit einer Lackierung versehen. Lackrohstoffe sind dabei u. a. Phenol- und …
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Prevalencia de Dermatitis de Contacto Alérgica e Irritativa en trabajadores de diversos sectores económicos que consultaron a una IPS de salud ocupacional en Bogotá, Colombia, 2021
… Las dermatosis profesionales incluyen a las dermatitis de contacto, pero también otras afecciones como el cáncer de piel, infecciones bacterianas, virales y micóticas, adquiridas por la exposición durante la actividad laboral. La dermatitis de contacto tiene una prevalencia del 90% en la …
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