This study was designed to standardize dust collection in recently built operating theatres equipped with a continuous monitoring system. The objectives were to establish the relationship between microbiological and dust contamination, and then to compare those parameters with the main indicators of surgical activity in order to better define risk factors affecting air quality. The air quality during 23 surgical operations was studied in three conventionally ventilated operating theatres. Microbiological air counts were taken using both passive and active sampling methods. Air dust particles, > or =0.5 and > or =5 microm in size, were measured using a light-scattering particle analyser. The overall dust load was mainly (98%) composed of fine particulate matter, most probably due to its longer suspension time before settlement. These particles positively correlated with operation length, but not with surgical technique, suggesting that fine particles may be a good tracer of operation complexity. In contrast, the surgical technique was the main predictor for the concentration of particles > or =5 microm, with a higher risk from general conventional surgery compared with scope surgery. The frequency of door-opening, taken as an index of staff and visitor movement, was the main negative predictor of over-threshold values of both fine and larger dust particles but, conversely, was a positive predictor of raised bacterial counts.

Risk factors for particulate and microbial contamination of air in operating theatres / Scaltriti, Stefania; S., Cencetti; Rovesti, Sergio; Marchesi, Isabella; Bargellini, Annalisa; Borella, Paola. - In: THE JOURNAL OF HOSPITAL INFECTION. - ISSN 0195-6701. - STAMPA. - 66:4(2007), pp. 320-326. [10.1016/j.jhin.2007.05.019]

Risk factors for particulate and microbial contamination of air in operating theatres.

SCALTRITI, Stefania;ROVESTI, Sergio;MARCHESI, Isabella;BARGELLINI, Annalisa;BORELLA, Paola
2007

Abstract

This study was designed to standardize dust collection in recently built operating theatres equipped with a continuous monitoring system. The objectives were to establish the relationship between microbiological and dust contamination, and then to compare those parameters with the main indicators of surgical activity in order to better define risk factors affecting air quality. The air quality during 23 surgical operations was studied in three conventionally ventilated operating theatres. Microbiological air counts were taken using both passive and active sampling methods. Air dust particles, > or =0.5 and > or =5 microm in size, were measured using a light-scattering particle analyser. The overall dust load was mainly (98%) composed of fine particulate matter, most probably due to its longer suspension time before settlement. These particles positively correlated with operation length, but not with surgical technique, suggesting that fine particles may be a good tracer of operation complexity. In contrast, the surgical technique was the main predictor for the concentration of particles > or =5 microm, with a higher risk from general conventional surgery compared with scope surgery. The frequency of door-opening, taken as an index of staff and visitor movement, was the main negative predictor of over-threshold values of both fine and larger dust particles but, conversely, was a positive predictor of raised bacterial counts.
2007
66
4
320
326
Risk factors for particulate and microbial contamination of air in operating theatres / Scaltriti, Stefania; S., Cencetti; Rovesti, Sergio; Marchesi, Isabella; Bargellini, Annalisa; Borella, Paola. - In: THE JOURNAL OF HOSPITAL INFECTION. - ISSN 0195-6701. - STAMPA. - 66:4(2007), pp. 320-326. [10.1016/j.jhin.2007.05.019]
Scaltriti, Stefania; S., Cencetti; Rovesti, Sergio; Marchesi, Isabella; Bargellini, Annalisa; Borella, Paola
File in questo prodotto:
File Dimensione Formato  
Scaltriti et al. 2007.pdf

Solo gestori archivio

Tipologia: Versione pubblicata dall'editore
Dimensione 144.59 kB
Formato Adobe PDF
144.59 kB Adobe PDF   Visualizza/Apri   Richiedi una copia
Pubblicazioni consigliate

Licenza Creative Commons
I metadati presenti in IRIS UNIMORE sono rilasciati con licenza Creative Commons CC0 1.0 Universal, mentre i file delle pubblicazioni sono rilasciati con licenza Attribuzione 4.0 Internazionale (CC BY 4.0), salvo diversa indicazione.
In caso di violazione di copyright, contattare Supporto Iris

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/310768
Citazioni
  • ???jsp.display-item.citation.pmc??? 32
  • Scopus 153
  • ???jsp.display-item.citation.isi??? 128
social impact