Affiliation:
1. Division of Otolaryngology‐Head and Neck Surgery, Department of Surgery University of New Mexico Hospital Albuquerque New Mexico U.S.A.
2. Department of Civil Engineering University of New Mexico Albuquerque New Mexico U.S.A.
3. Alaska Native Tribal Health Consortium Providence Anchorage Anesthesia Medical Group Anchorage Alaska U.S.A.
4. Department of Planning and Construction University of New Mexico Hospital Albuquerque New Mexico U.S.A.
5. University of New Mexico School of Medicine Albuquerque New Mexico U.S.A.
Abstract
ObjectivesTo quantify and compare the cost and environmental impact of different techniques for adult tonsillectomy surgery, and to identify target areas for impact reduction.MethodsFifteen consecutive adult tonsillectomy surgeries were prospectively randomized to one of three tonsillectomy techniques: cold, monopolar electrocautery, or low‐temperature radiofrequency ablation (Coblation). Life cycle assessment was used to comprehensively evaluate the environmental impact of study surgeries. Outcomes assessed included multiple measures of environmental impact, including greenhouse gas (GHG) emissions, and cost. Environmental impact measures were analyzed to identify highest‐yield areas for improvement, and outcomes were compared between surgical techniques using statistical analysis.ResultsGHG emissions for cold, monopolar electrocautery, and Coblation techniques were 157.6, 184.5, and 204.7 kilograms of carbon dioxide equivalents (kgCO2‐eq) per surgery, respectively, with costs totaling $472.51, $619.10, and $715.53 per surgery, respectively. Regardless of surgery technique, anesthesia medications and disposable equipment contributed most to environmental harm. Cold technique demonstrated reduced environmental impact related to disposable surgical equipment in the categories of greenhouse gas emissions, acidification of soil and water, eutrophication of air, ozone depletion, release of carcinogenic, and non‐carcinogenic toxic substances, and respiratory pollutant production (p < 0.05 for all comparisons with other techniques).ConclusionWithin the boundaries of operating room processes, cold technique minimizes cost and environmental impact of adult tonsillectomy surgery, with statistical significance noted in the impact of disposable surgical equipment. Areas of highest potential for improvement identified include reducing use of disposable equipment and collaboration with the Anesthesiology care team to streamline medication use.Level of Evidence2, randomized trial Laryngoscope, 134:622–628, 2024
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