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Traffic flow in the operating room: An explorative and descriptive study on air quality during orthopedic trauma implant surgery.

Artikel i vetenskaplig tidskrift
Författare Annette Erichsen Andersson
Ingrid Bergh
Jón Karlsson
Bengt I. Eriksson
Kerstin Nilsson
Publicerad i American journal of infection control
Volym 40
Nummer/häfte 8
Sidor 750-755
ISSN 1527-3296
Publiceringsår 2012
Publicerad vid Institutionen för vårdvetenskap och hälsa
Institutionen för kliniska vetenskaper, Avdelningen för ortopedi
Sidor 750-755
Språk en
Länkar dx.doi.org/10.1016/j.ajic.2011.09.0...
Ämnesord Surgical site infection; Door opening; Air sampling; Colony-forming units
Ämneskategorier Ortopedi, Omvårdnad

Sammanfattning

BACKGROUND: Understanding the protective potential of operating room (OR) ventilation under different conditions is crucial to optimizing the surgical environment. This study investigated the air quality, expressed as colony-forming units (CFU)/m(3), during orthopedic trauma surgery in a displacement-ventilated OR; explored how traffic flow and the number of persons present in the OR affects the air contamination rate in the vicinity of surgical wounds; and identified reasons for door openings in the OR. METHODS: Data collection, consisting of active air sampling and observations, was performed during 30 orthopedic procedures. RESULTS: In 52 of the 91 air samples collected (57%), the CFU/m(3) values exceeded the recommended level of <10 CFU/m(3). In addition, the data showed a strongly positive correlation between the total CFU/m(3) per operation and total traffic flow per operation (r = 0.74; P = .001; n = 24), after controlling for duration of surgery. A weaker, yet still positive correlation between CFU/m(3) and the number of persons present in the OR (r = 0.22; P = .04; n = 82) was also found. Traffic flow, number of persons present, and duration of surgery explained 68% of the variance in total CFU/m(3) (P = .001). CONCLUSIONS: Traffic flow has a strong negative impact on the OR environment. The results of this study support interventions aimed at preventing surgical site infections by reducing traffic flow in the OR.

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