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Results for “OCCUPATIONAL DERMATITIS”

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PubMed1992

Prognosis of occupational chromate dermatitis.

To elucidate further the natural history and prognosis of occupational chromate dermatitis, 120 affected patients, diagnosed between 1980 and 1989, were reviewed. The incidence of chromate dermatitis in Western Australia appeared to remain unchanged over the decade. 65% of patients were construction workers with cement-induced chromate dermatitis. Workers at greatest risk of sensitization were those mixing bagged cement at the work site. The median age at onset of symptoms was 34 years, with 48% having been exposed to chromate for 5 years or less. Only 37% presented to the dermatologist within 12 months of developing symptoms. 76% of patients had ongoing dermatitis at the time of review. Although 48% of the study population had completely changed their occupation to avoid chromate exposure, symptoms persisted in 69%. A delayed diagnosis of chromate sensitivity was noted to be a predictor of chronicity. In view of the potential chronicity of chromate dermatitis and its associated social and occupational impairment, we recommend the addition of ferrous sulphate while mixing bagged cement at the work site. This simple technique targets the workers at greatest risk of becoming sensitized.

Adolescent↗
PubMedDate not supplied

Occupational contact dermatitis of the upper extremity.

Workers in certain occupations are at particular risk for developing contact dermatitis of the hand and upper extremity. Recently published findings concerning risks faced by food handlers, hairdressers, and horticulturists are addressed here. Preventive measures, including protective clothing and barrier creams, also are discussed.

Beauty Culture↗
PubMed2005

Skin disease in paper mill workers.

BACKGROUND: Paper mill workers have frequent and prolonged exposure to skin irritants and allergens and may have a higher risk of developing occupational dermatitis. Aims The aim of this study was to determine the extent of skin problems in a paper mill and how much was attributable to contact with allergens. METHODS: A cross-sectional study was carried out among 80 paper mill workers having daily exposure to skin irritants and allergens. They all completed a questionnaire, underwent a standard interview and physical examination. Workers whose history indicated possible contact allergy were patch tested and prick tested. RESULTS: Workers reported a high exposure to skin irritants, especially when carrying out tasks that caused the hands and feet to become wet from perspiration and having contact with process water. Atopic dermatitis was seen in 3% of the workers. Contact dermatitis was seen in 26% of the workers and 36% were diagnosed with mycosis of the feet. All cases of contact dermatitis and mycosis could be attributed to occupational exposure to skin irritants. No cases of relevant contact allergy were seen. CONCLUSION: Occupational dermatitis in paper mills is primarily related to the exposure to skin irritants. Occupational physicians should be aware of the risk of occupational dermatitis in paper mill workers.

Cross-Sectional Studies↗
PubMed1998

Occupational contact dermatitis among New Zealand farmers.

Forty-six farmers were patch tested to determine whether their dermatitis was secondary to an occupational allergen. Twenty-eight had a positive patch test of which 23 were thought relevant (definite or probable). In 20 of these cases, the allergen(s) was considered to be work related (define or probable). The common allergens were pesticides (N-(1,1,2,2-tetrachloroethylthio) -4-cyclohexene-1,2-dicarboximide (captafol), ethylenebis (dithiocarbamato) manganese (maneb) and copper sulfate), rubber compounds (N-isopropyl-N-phenyl-4-phenylenediamine (IPPD) and 4-phenylene diamine base) and sunscreen chemicals.

Adolescent↗
PubMedDate not supplied

[Incidence of occupational contact dermatitis in the province of Pordenone in the period of 1995-2000].

Occupational contact dermatitis (OCD) ranks first of all occupational diseases in many countries but few are epidemiological data on incidence of this disease. We studied 146 subjects with OCD in Pordenone area in the period 1994-2000. In 90.5% subjects the diagnosis was allergic contact dermatitis and in 9.5% urticaria. Nickel sulfate was the most common sensitizer (14.7%), followed by latex (13.2%) and potassium dichromate (11.6%). Occupational groups at risk were mechanics (51.4%), health service workers (19.9%) and construction workers (7.5%). The incidence rate was 10.8 cases per 10,000 health service workers per year, 8 cases per 10,000 hairdressers and barbers per year, 4.1 cases per 10,000 construction workers per year and 1.9 cases per 10,000 mechanics per year.

Adult↗
PubMed2005

Occupational contact dermatitis: etiology, prevalence, and resultant impairment/disability.

Cutaneous irritant and allergic responses account for the vast majority of cases of occupational contact dermatitis (OCD). Although the pathophysiologic responses to these two different exposures are distinct, the clinical differentiation between chronic cumulative irritant contact dermatitis and allergic contact dermatitis can be difficult and frequently requires patch testing. This article reviews the recommended algorithms that clinicians should utilize to assess whether a worker suffers from OCD. The prevalence of OCD, its predisposing factors (both endogenous and exogenous), and prognosis are discussed in depth. Finally, issues surrounding the assessment of impairment and disability resulting from OCD are summarized.

Age Factors↗
PubMed1997

Occupational contact dermatitis to propacetamol. Allergological and chemical investigations in two new cases.

BACKGROUND AND OBJECTIVE: In 2 new cases of occupational contact dermatitis due to a recently described allergen (propacetamol), a prodrug which is a soluble diethylglycidyl ester of paracetamol, an allergological investigation was performed to elucidate the nature of the allergen involved in the propacetamol contact sensitivity. OBSERVATIONS: Two nurses with eczema of the hands and face had positive patch tests to Pro-Dafalgan. Every day the nurses prepared injections of Pro-Dafalgan (propacetamol dissolved in sodium citrate). The sensitization was due to propacetamol and not to the solvent. To elucidate which part of propacetamol was responsible for the sensitization, the 2 nurses were patch-tested with diethylamine, paracetamol (diluted in different vehicles) and some of their chemical analogues and potential impurities which were all negative. CONCLUSIONS: Propacetamol induces airborne contact dermatitis with no evidence of sensitization to paracetamol or diethylglycine, possibly because of either the presence of unknown impurities and/or an antigenic structure related to the covalent bond of the prodrug.

Acetaminophen↗
PubMedDate not supplied

An international survey on the prognosis of occupational contact dermatitis of the hands.

Prognosis is a crucial topic in contact dermatitis. We recently reviewed the extensive literature on the prognosis of contact dermatitis. The majority of patients in these studies had persistent dermatitis. Job changes usually did not lead to a significant improvement for most patients with occupational contact dermatitis. We performed a worldwide survey of colleagues with expertise in treating patients suffering from occupational contact dermatitis of the hands. Of 65 experts, 51 returned questionnaires for analysis. 67% of European and 29% of respondents from Sweden, Denmark, Finland, United States of America, Canada, and Mexico stated that more than 75% of workers with severe hand dermatitis required a job change. 78% of the respondents found that chromate and 57% found that nickel allergy were associated with the worst possible prognosis. 98% felt that barrier creams were no more effective than bland emollients in the prevention of hand dermatitis.

Chronic Disease↗
PubMed2002

Importance of irritant contact dermatitis in occupational skin disease.

BACKGROUND: Irritant contact dermatitis (ICD), provoked by work materials or workflows, is believed to be a frequent cause of occupational skin disease (OSD). Data of incidence rates of ICD within different occupations are inadequate. OBJECTIVE: We conducted a population-based study to identify occupational groups at risk for irritant and allergic contact dermatitis (ACD). METHODS: The data are based on all workers' compensation claims reported to our register of OSDs in Northern Bavaria [Berufskrankheitenregister Haut-Nordbayern (BKH-N)], Germany. RESULTS: From 1990 to 1999, 5285 patients had their cases completely assessed and recorded by government-employed physicians. We calculated the incidence rates of ICD and ACD in various occupations, divided into 24 occupational groups, in co-operation with the German State Institute of Labor and Occupation; there were a known total number of employees in each of the occupations. In these groups 3097 (59%) patients with OSD were observed, with an overall annual incidence rate of 4.5 patients per 10,000 workers for ICD, compared with 4.1 patients per 10,000 workers for ACD. The highest ICD annual incidence rates were found in hairdressers (46.9 per 10,000 workers per year), bakers (23.5 per 10,000 workers per year), and pastry cooks (16.9 per 10,000 workers per year); at the same time ICD was the main diagnosis of OSD in pastry cooks (76%), cooks (69%), food processing industry workers and butchers (63%), mechanics (60%), and locksmiths and automobile mechanics (59%). The results of a questionnaire showed frequent skin contact with detergents (52%), disinfectants (24%), and acidic and alkaline chemicals (24%) in the workplace. CONCLUSION: Based on the incidence data of the BKH-N, this study identified occupational groups with a high risk of ICD. Different frequencies of ICD and ACD within a single group are demonstrated. The frequent usage of detergents is being addressed because of the introduction of German legislation of recent date (the Approved Code of Practice 531 on 'wet work').

Adult↗
PubMed1987

[Occupational contact dermatitis: analysis of clinical case reports, 1972-1985].

The hospital records of 105 subjects with professional dermatitis, admitted at the Institute of Occupational Health of Verona between 1972 and 1985, were reviewed. Work sectors, chemicals, sites of dermatitis, latency and age of onset were evaluated. Contact allergic dermatitis were 80% while irritative ones were 10%. Metal-, construction- and tannery workers were more frequently involved. The most common causes were salts of heavy metals. The authors discuss results and remark the need of standardization in diagnostic procedures.

Adult↗
PubMed1987

Occupational contact dermatitis and contact urticaria caused by epoxy resins.

Over a ten-year period (1974-1983) 542 cases of allergic occupational contact dermatitis were diagnosed in our clinic. Epoxy resins caused 71 cases (13.1%) of occupational allergic contact dermatitis (CD), and three cases (0.6%) of irritant CD. One contact urticaria was caused by an epoxy resin hardener, methyl hexahydrophthalic anhydride. Epicutaneous testing with standard epoxy resin 1% in pet. (mainly oligomer of molecular weight 340) produced allergic reactions in all the patients with allergic CD with the exception of three. These three patients had allergic reactions only to their own resins. Testing the 71 patients of allergic CD with epoxy hardeners produced allergic reactions in 19 (26.8%). None of the patients had separate delayed contact allergy to epoxy hardeners without simultaneous contact allergy to standard epoxy resin.

Dermatitis, Occupational↗
PubMed2006

Medical and psychosocial outcome of patients with occupational contact dermatitis in Israel.

BACKGROUND: Although the medical, financial and prognostic factors of occupational contact dermatitis (OCD) have been addressed, studies on the social outcome of OCD are sparse. OBJECTIVE: To define the medical and psychosocial outcome of patients with OCD. METHODS: Workers with OCD were interviewed by telephone using a questionnaire that included questions about the occupation, dermatological disease, sick leave, present working status and disability claims, and questions related to the subjective perceptions of OCD in all areas of psychosocial functioning and quality of life. RESULTS: Seventy workers (64.3% males and 35.7% females) were interviewed. Forty per cent had stopped working and one-third had taken sick leave because of OCD. Forty-seven (67.1%) were currently working while 23 (32.8%) were unemployed. Disability compensation was claimed by only 41.4% and was received by 24.3%. Eight workers (11.4%) had persistent postoccupational dermatitis (PPOD). Loss of employment affected the occupational area of the workers' lives (100%), and also interpersonal relationships (45.7%), relationships within the family (18.6%), daily functioning (45.7%) and mental health (24.3%). CONCLUSIONS: Considerable working time is lost because of unemployment or sick leave due to OCD. Only a small proportion of eligible patients with OCD apply for disability compensation and an even smaller proportion receive it. Our study demonstrates the significance of OCD to the psychosocial aspects of workers' lives and emphasizes that the assessment of OCD outcome should relate not only to the medical but also to the psychosocial aspect of the disease.

Adult↗
PubMed1995

Occupational hand dermatitis in a tertiary referral dermatology clinic in Taipei.

Occupational skin disease is one of the most common occupational diseases. The hand is the most frequent site of involvement in occupational skin disease. We interviewed and examined patients seen in the Contact Dermatitis Clinic of the National Taiwan University Medical Center, a tertiary referral center in Taipei City. For patients suspected of having allergic skin diseases, patch testing was carried out using the European standard series and suspected allergens. Occupational hand dermatitis (OHD) was diagnosed according to medical history, work exposure, physical examination, and patch test findings. 36% of patients seen were diagnosed as having OHD. Electronics, hairdressing, medical, chemical, and construction were the most important industries causing OHD. In the 164 patients with OHD, 58.5% had irritant contact dermatitis (ICD) and 41.5% allergic contact dermatitis (ACD). Dorsal fingers, nail folds, and dorsal hands were most frequently involved in patients with ACD; dorsal fingers, volar fingers and fingertips were most frequently involved in those with ICD. Using logistic regression analysis, we were able to identify the most important clinical presentations that predicted the types of OHD, ACD versus ICD. Patients with atopic history and palm involvement were more likely to have ICD, and those with nail fold involvement more likely to have ACD. In patients with ACD, the most important allergens were dichromate, nickel, cobalt, fragrance mix, epoxy resin, thiuram mix, and p-phenylenediamine. In this study, we identified the important industries and causal agents for OHD. Future preventive measures focused on these industries and agents to reduce OHD will be warranted.

Academic Medical Centers↗
PubMed2000

Occupational contact dermatitis to Phaseolus vulgaris in a farmer - a case report.

A case of occupational contact dermatitis in a farmer is described, caused among others by Phaseolus vulgaris. The patient's history of eczematous and vesicular and bullous skin reactions occurring after exposure to Phaseolus was confirmed by skin tests with native leaves of the plant. To the best of our knowledge, this is the first description of occupational contact dermatitis caused by leaves of Phaseolus plant.

Adult↗