Prevalence of Allergic Contact Dermatitis in Thailand

Boonchai, Waranya; Iamtharachai, Pacharee; Sunthonpalin, P

doi:10.2310/6620.2008.07112

Cited by 23 publications

(19 citation statements)

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“…We found that 18.5% of those with metal allergic history were a large proportion and were in agreement with a study by Boonchai et al [32] in that the most frequent allergen causing allergy among the Thais was potassium dichromate (27%), followed by nickel sulfate (26.6%).…”

Section: Discussionsupporting

confidence: 93%

Respiratory Symptoms due to Occupational Exposure to Formaldehyde and MDF Dust in a MDF Furniture Factory in Eastern Thailand

Thetkathuek

Yingratanasuk

Ekburanawat

2016

Advances in Preventive Medicine

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The study aimed to investigate factors associated with respiratory symptoms in workers in a medium-density fiberboard (MDF) furniture factory in Eastern Thailand. Data were collected from 439 employees exposed to formaldehyde and MDF dust using questionnaire and personal sampler (Institute of Occupational Medicine; IOM). The average concentration of formaldehyde from MDF dust was 2.62 ppm (SD 367), whereas the average concentration of MDF dust itself was 7.67 mg/m3 (SD 3.63). Atopic allergic history was a factor associated with respiratory irritation symptoms and allergic symptoms among the workers exposed to formaldehyde and were associated with respiratory irritation symptoms and allergic symptoms among those exposed to MDF dust. Exposure to MDF dust at high level (>5 mg/m3) was associated with respiratory irritation symptoms and allergic symptoms. Excluding allergic workers from the study population produced the same kind of results in the analysis as in all workers. The symptoms were associated with the high concentrations of formaldehyde and MDF dust in this factory. If the concentration of MDF dust was >5 mg/m3, the risk of irritation and allergic symptoms in the respiratory system increased. The respiratory health of the employees with atopic allergic history exposed to formaldehyde and MDF dust should be monitored closely.

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Section: Discussionsupporting

confidence: 93%

Respiratory Symptoms due to Occupational Exposure to Formaldehyde and MDF Dust in a MDF Furniture Factory in Eastern Thailand

Thetkathuek

Yingratanasuk

Ekburanawat

2016

Advances in Preventive Medicine

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“…3,12 Cobalt is a hard metal and is commonly used in combination with other metals such as nickel, chromium, and tungsten to increase hardness and durability. 7,9 For jewelry from Thai markets, 37.4% of items tested positive for cobalt; this is considerably higher than reported in previous studies. 2,4 Nickel allergy has been controlled by regulations, but cobalt allergy will probably increase because of substitution of cobalt for nickel in inexpensive jewelry.…”

Section: Discussionmentioning

confidence: 60%

“…However, there is good agreement between the results of nickel and cobalt testing and results obtained using complex methods. 9 Among the jewelry types tested in our study, belt buckles and earrings were the main sources of nickel exposure. The DMG test is cheap, quick, and easy, and has moderate sensitivity (59.3%) and high specificity (97.5%).…”

Section: Discussionmentioning

confidence: 75%

“…2 The prevalence of nickel and cobalt allergies has increased every year, 14 especially among young females, as the popularity of body piercing and the use of imitation jewelry has grown. 8,9 Nickel sensitization is often induced by exposure to nickelreleasing consumer items, especially imitation jewelry; the same holds for cobalt sensitization. 9 Levels of nickel and cobalt allergies in Thailand are high compared with those in other countries.…”

Section: Discussionmentioning

confidence: 99%

“…9 However, in European countries, cobalt allergy affects approximately 3% to 6% of dermatitis patients undergoing routine patch testing. 9 However, in European countries, cobalt allergy affects approximately 3% to 6% of dermatitis patients undergoing routine patch testing.…”

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confidence: 99%

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