Surgical area contamination – comparable bacterial counts using disposable head and mask and helmet aspirator system, but dramatic increase upon omission of head-gear: an experimental study in horizontal laminar air-flow

Friberg, B.; Friberg, Sven; Östensson, Rune; Burman, Lars

doi:10.1053/jhin.2000.0909

Cited by 60 publications

(49 citation statements)

References 19 publications

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“…Air samples taken from the surgical field showed similar particle counts regardless of filtered-helmet exhaust use. This lack of decreased contamination has been replicated in other studies [9,10]. Another study by Hooper et al reviewed space suit use in conjunction with laminar flow operating rooms of 51,485 THAs and 36,826 TKAs over a 10-year period.…”

Section: Discussionmentioning

confidence: 60%

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Contamination Relative to the Activation Timing of Filtered-Exhaust Helmets

Hanselman

Montague

Murphy³

et al. 2016

The Journal of Arthroplasty

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Background Filtered-exhaust helmet systems are commonplace during total joint arthroplasty, but their ability to limit intraoperative contamination has been questioned. We hypothesized that activation of the airflow system after complete gowning would lead to decreased contamination of the surgical environment. Methods Using a fluorescent particle model, the maximal particle spread from a filtered-exhaust helmet and contamination of the surgical environment based on timing of airflow activation through simulated surgical gowning procedures were evaluated. Results Helmet airflow analysis revealed particle spread greater than 5 feet in all trials. Activation before gowning resulted in a significantly greater contamination in the control group compared with the experimental group (P = .014). Conclusions We recommend complete surgical gowning before activation of the airflow system.

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Section: Discussionmentioning

confidence: 60%

“…The air then circulates within the helmet and disperses down toward the surgeon’s face and/or neck and into the gown. Unfortunately, infection prevention while using these filtered-exhaust systems has not yet been supported by the orthopedic literature and these systems are, therefore, more commonly regarded as personal protective equipment [8-10]. …”

mentioning

confidence: 99%

Contamination Relative to the Activation Timing of Filtered-Exhaust Helmets

Hanselman

Montague

Murphy³

et al. 2016

The Journal of Arthroplasty

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“…Other studies have shown no difference in room or wound bacterial counts in comparisons of space suits and traditional hoods and masks 42,43 . More recently, the efficacy of space suits in the prevention of surgical site infections has been called into question.…”

Section: Space Suitsmentioning

confidence: 94%

Surgical Attire and the Operating Room: Role in Infection Prevention

Salassa

Swiontkowski

2014

The Journal of Bone and Joint Surgery

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➤ Although there is some evidence that scrubs, masks, and head coverings reduce bacterial counts in the operating room, there is no evidence that these measures reduce the prevalence of surgical site infection.➤ The use of gloves and impervious surgical gowns in the operating room reduces the prevalence of surgical site infection.➤ Operating-room ventilation plays an unclear role in the prevention of surgical site infection.➤ Exposure of fluids and surgical instruments to the operating-room environment can lead to contamination. Room traffic increases levels of bacteria in the operating room, although the role of this contamination in surgical site infection is unclear.

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“…Sampling methods and ventilation systems can have large effects on the results of studies measuring bacterial contamination, so an accurate number for risk as it pertains to dermatologic surgery is not yet known. 59,60 Some studies suggest masks have little effect on bacterial counts. 61,62 Ritter et al 61 performed such a study, which found no reduction in bacterial counts with the use of masks, as measured by air settle bacterial plates in an OR.…”

Section: Relevance Of Data From Inpatient Operatories To Outpatient Pmentioning

confidence: 99%

Surgeon's garb and infection control: What's the evidence?

Eisen

2011

Journal of the American Academy of Dermatology

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Surgical area contamination – comparable bacterial counts using disposable head and mask and helmet aspirator system, but dramatic increase upon omission of head-gear: an experimental study in horizontal laminar air-flow

Cited by 60 publications

References 19 publications

Contamination Relative to the Activation Timing of Filtered-Exhaust Helmets

Contamination Relative to the Activation Timing of Filtered-Exhaust Helmets

Surgical Attire and the Operating Room: Role in Infection Prevention

Surgeon's garb and infection control: What's the evidence?

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