OR Air Setbacks May Not Affect Outcomes - Summary - MDSpire
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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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Objective:

To evaluate the impact of reduced operating room ventilation during unoccupied periods on postoperative outcomes.

Approach:
    Key Findings:
    • Lower rates of superficial SSI (7.8% vs 8.7%) and deep SSI (0.5% vs 0.8%) post-implementation.
    • Slight decreases in 30-day mortality (1.5% vs 1.7%) and 90-day mortality (2.9% vs 3.2%).
    • Median length of stay was slightly shorter after the intervention.
    • No significant differences in SSI, ICU admission, or 30-day mortality after adjusting for patient and procedural factors.
    • Annual electricity consumption decreased by approximately 1.35 million kWh, resulting in nearly $135,000 in cost savings.
    Interpretation:

    Reduced ventilation during unoccupied periods may lower energy use without adversely affecting measured patient outcomes.

    Limitations:
    • Observational, single-center design limits generalizability.
    • Residual confounding could not be excluded.
    Conclusion:

    The findings support optimization of ventilation practices within existing guidelines without compromising patient safety.

    Sources:

Original Source(s)

OR Air Setbacks May Not Affect Outcomes

  • by Andrea Surnit

  • April 27, 2026

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