Exposure to welding fumes and lower airway infection with Streptococcus pneumoniae
نویسندگان
چکیده
منابع مشابه
Exposure to welding fumes and lower airway infection with Streptococcus pneumoniae.
BACKGROUND Welders are at increased risk of pneumococcal pneumonia. The mechanism for this association is not known. The capacity of pneumococci to adhere to and infect lower airway cells is mediated by host-expressed platelet-activating factor receptor (PAFR). OBJECTIVE We sought to assess the effect of mild steel welding fumes (MS-WF) on PAFR-dependent pneumococcal adhesion and infection to...
متن کاملBronchial reactions to exposure to welding fumes.
OBJECTIVES To study the airway response and its mechanism to welding fumes in six welders with respiratory symptoms. METHODS Methacholine and welding challenge tests were carried out. The concentration of welding fumes during the exposure test was measured. On two subjects who developed bronchoconstricition to welding challenge, additional tests were carried out including prick, patch, and in...
متن کاملDesigning, Constructing and Installing a Local Exhaust Ventilation System to Minimize Welders\' Exposure to Welding Fumes
Background & Aims of the Study: Welder’s exposure to welding fumes can cause occupational diseases. The current study sought to examine exposure to welding fumes among welders who work in the repair shop of Sarcheshmeh Copper Complex and design a local exhaust ventilation system to control exposure to welding fumes. Materials & Methods: This applied analytical study was co...
متن کاملoccupational exposure to welding fumes using different ventilation scenarios
welders may suffer from welding fumes generated during the process if the ventilation systems are improperly applied. the objective of the present work was to study the mitigation of air pollutants at welding stations, using different ventilation scenarios. four air pollutants including iron oxide, respirable dust, ozone, and carbon monoxide were measured during four different ventilation scena...
متن کاملDo existing empirical models for welding fumes estimate exposure to ultrafine particles among canadian welding apprentices?
To the Editor: W elders are at risk of a wide range of respiratory health problems, including bronchitis, airway irritation, and lung function changes.1–5 Despite short duration of exposure, an inception cohort study of apprentice welders in Quebec documented a significant respiratory function decline, incidence of welding-related respiratory symptoms suggestive of occupational asthma and sensi...
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ژورنال
عنوان ژورنال: Journal of Allergy and Clinical Immunology
سال: 2016
ISSN: 0091-6749
DOI: 10.1016/j.jaci.2015.06.033