Occupational Rhinitis in Damp and Moldy Workplaces

Karvala, Kirsi; Nordman, Henrik; Luukkonen, Ritva; Nykyri, Elina; Lappalainen, Sanna; Hannu, Timo; Toskala, Elina

doi:10.2500/ajr.2008.22.3209

Cited by 28 publications

(17 citation statements)

References 28 publications

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“…For most of the patients with positive reactions, speciWc IgE to a microbe was not found, however. In a previous study on rhinitis patients with positive nasal provocation tests with microbial extracts, speciWc IgE had been determined similarly in a small proportion of patients only (Karvala et al 2008). The mechanisms behind most of the positive SIC reactions were unknown.…”

Section: Discussionmentioning

confidence: 99%

New-onset adult asthma in relation to damp and moldy workplaces

Karvala

Toskala

Luukkonen

et al. 2010

Int Arch Occup Environ Health

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Section: Discussionmentioning

confidence: 99%

New-onset adult asthma in relation to damp and moldy workplaces

Karvala

Toskala

Luukkonen

et al. 2010

Int Arch Occup Environ Health

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“…Such a situation causing rhinitis due to A. fumigatus was described in 2008. 14 Furthermore, epidemiological observations support the association of asthma and increased exposure against A. fumigatus. 15 Alternaria alternata is identified as a risk factor for asthma 16 and the species is recognized as a major aeroallergen in many parts of the world.…”

Section: Discussionmentioning

confidence: 97%

Immediate infection control measures and preventive monitoring after excessive water damage in an aseptic working area of a blood donation service centre

Krämer

Assadian

Ryll

et al. 2013

Indoor and Built Environment

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Two weeks after repair of a shower drain, an unnoticed leak resulted in large-scale water penetration into the blood product fractionation room. Both 120 m 2 of floor and 10 m 2 of wall were heavily soaked. Such a situation usually required the immediate interruption of manufacturing, and start of maintenance work. However, as this service provides blood products for an university hospital, it was necessary to ensure the maintenance of good manufacturing practices and product safety by implementation of a bundle of preventive measures. For forced drying, the floor covering was completely removed, the drywalls were opened, and damp insulating material was removed. For 11 weeks, room air dryers were installed. Simultaneously, a moisture and microbiological monitoring and disinfection regime were implemented. In the leaked water, no faecal microbial pathogens or moulds were detected. Within three days the humidity was decreased from 72% to 31%. Because of the accelerated disinfection regime, the indoor air bacterial and fungal contamination was reduced below normal values; neither on working surfaces nor on manufacturing devices was critical microbial contamination detected at any time. Immediately implemented drying measures accompanying disinfection regimen and microbiological monitoring were able to restore safe indoor air quality and re-establish the aseptic quality.

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“…The air contains organic and inorganic mixture of particles, which is combined with dust. Due to pollution, the air can be considered as a source of pathogenic microorganisms, which can cause allergic reactions, respiratory problems and generally adversely affect the human health (Lignell et al, 2007;Karvala et al, 2008;Łukaszuk et al, 2015).…”

Section: Resultsmentioning

confidence: 99%

Influence of 1-MCP treatment and storage conditions on the development of microorganisms on the surface of apples grown in Latvia

Juhnevica-Radenkova

Radenkovs

Segliņa

2016

Zemdirbyste-Agriculture

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The quality of fruits during storage depends on the storage environment and fruit microorganisms, since the activity of microorganisms can cause the decay of fruits. A correctly selected composition of gas mixture in a storage chamber extends shelf-life by reducing development of microorganisms, accordingly ensuring microbiological safety of fruits. The aim of the study was to evaluate the dynamics of microflora on the surface of apples within six months of cold storage that prior to storage had been treated with 1-methylcyclopropene (1-MCP), and those stored in ultra low oxygen (ULO) under different controlled atmosphere conditions. The highest microbial diversity and amount on the apple fruit surface was found when stored in cold storage. At the beginning of storage, 70% of the total surface microflora of fruits consisted of the following microscopic fungi: Penicillium spp., Alternaria spp., Botrytis spp., Aspergillus spp., Mucor genus and Cladosporium spp., bacteria from Bacillus genus, and yeasts like Candida curvata, C. fomata, Pichia etchellsii and P. carsonii. After three and six months of apple storage, partial microorganism inhibition was observed when comparing cold storage and cold storage + 1-MCP treatments, in turn, the most positive significant result was achieved when apples were stored under controlled atmosphere conditions. After six months of apple storage, the lowest amount of colony forming units (CFU) of bacteria, mould and yeast was estimated on the surface of apple fruits that had been stored using controlled atmosphere technique. Microorganisms, including Penicillium, Bacillus spp., Candida curvata, Pichia etchellsii and C. fomata were identified on the surface of ULO1 samples, while on ULO2 samples only Penicillium spp., Bacillus spp., C. curvata and C. fomata. After storage in controlled atmosphere, 90% of all microscopic fungi present on the surface of apples were yeasts.

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Occupational Rhinitis in Damp and Moldy Workplaces

Cited by 28 publications

References 28 publications

New-onset adult asthma in relation to damp and moldy workplaces

New-onset adult asthma in relation to damp and moldy workplaces

Immediate infection control measures and preventive monitoring after excessive water damage in an aseptic working area of a blood donation service centre

Influence of 1-MCP treatment and storage conditions on the development of microorganisms on the surface of apples grown in Latvia

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