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OR Air Setbacks May Not Affect Outcomes

Findings suggest lower ventilation during idle periods may reduce energy use without worsening outcomes.

  • By

  • Andrea Surnit

  • April 27, 2026

  • 2 min

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  • 1

    Reducing operating room ventilation during unoccupied periods does not negatively impact postoperative outcomes.

  • 2

    A study of 127,878 surgical cases showed lower rates of surgical site infections after implementing air change setbacks.

  • 3

    Air change setbacks resulted in significant energy savings, reducing annual electricity consumption by approximately 1.35 million kWh.

  • 4

    The intervention did not lead to differences in surgical site infections, ICU admissions, or 30-day mortality after adjustments.

  • 5

    The study's findings may not be generalizable due to its observational, single-center design and potential residual confounding.

Original Source(s)

OR Air Setbacks May Not Affect Outcomes

  • by Andrea Surnit

  • April 27, 2026

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