1992
DOI: 10.1378/chest.102.2.402
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Validation of an Exposure System to Particles for the Diagnosis of Occupational Asthma

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Cited by 40 publications
(31 citation statements)
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“…Agents in powder form that are not watersoluble (e.g., wood dusts, antibiotics, persulphate salts, etc.) can be generated as a dry aerosol, either with an apparatus which allows aerosolization of steady and nonirritant concentrations [19][20][21] or by being tipped from one tray to another as initially proposed by PEPYS et al [10], although it might be awkward, with the latter methodology, to monitor the concentrations of the agent in order to prevent the exposure of subjects to irritant concentrations. Exposure to airborne natural rubber latex can be achieved by handling latex gloves [22].…”
Section: Control Testmentioning
confidence: 99%
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“…Agents in powder form that are not watersoluble (e.g., wood dusts, antibiotics, persulphate salts, etc.) can be generated as a dry aerosol, either with an apparatus which allows aerosolization of steady and nonirritant concentrations [19][20][21] or by being tipped from one tray to another as initially proposed by PEPYS et al [10], although it might be awkward, with the latter methodology, to monitor the concentrations of the agent in order to prevent the exposure of subjects to irritant concentrations. Exposure to airborne natural rubber latex can be achieved by handling latex gloves [22].…”
Section: Control Testmentioning
confidence: 99%
“…Recently developed closedcircuit exposure devices ( fig. 1) make it possible to generate steady concentrations of occupational agents in powder form [19][20][21], of isocyanate vapours [28] or aerosols, and of other vapours (formaldehyde, glutaraldehyde) [29]. These closed-circuit devices provide better control of the intensity of exposure, and may therefore lead to a more accurate investigation of doseresponse relationships as well as a more satisfactory standardization of SIC.…”
Section: Control Testmentioning
confidence: 99%
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“…СИПТ должны проводиться в закрытой комнате, оборудованной адекватной вытяжной или с закры тым контуром вентиляцией [29][30][31][32], чтобы исклю чить случайное воздействие провоцирующего веще ства на персонал и пациента после окончания тестирования. Некоторые больные с ПБА крайне чувствительны к очень слабым концентрациям про воцирующих веществ, к которым они сенсибилизи рованы.…”
Section: общие требования безопасностиunclassified
“…Однако при уровне воздействия ниже допустимых пределов производственного воз действия требуется мониторирование концентраций широкого спектра веществ во время СИПТ, что в принципе невозможно. Для снижения частоты неспецифических реакций теоретически можно использовать приборы, с помощью которых непре рывно измеряется концентрация и регулируется воз действие во время тестирования [29][30][31][32].…”
Section: ложноположительные результатыunclassified