Life Cycle Assessment of General Anesthetic, Regional Anesthetic and the Combination of General Anesthetic and Regional Anesthetic: a Randomized Controlled Trial
| Registry | NCT05385367 |
|---|---|
| Status | Completed |
| Phase | Not applicable |
| Study type | Interventional; randomized, parallel, masking: none, other |
| Enrollment | 30 (Actual) |
| Sponsor | University of Alberta (Other) |
| Conditions | Carbon Footprint in Anesthetic |
| Interventions | Regional anesthetic, General anesthetic, Combined general anesthetic and regional anesthetic (Other) |
| Dates | start 2022-08-02, primary completion 2026-01-01, completion 2026-01-01, first posted 2022-05-23, last updated 2026-05-08 |
| Locations | 2 sites in Canada |
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Following Ethics approval, all adult patients undergoing surgery to fix the wrist fracture will be approached and consent to undergo this study. The amount of waste generated from general anesthetic, regional anesthetic and regional+general anesthetic will be collected and weighed.
Patients undergoing this type of wrist surgery have only regional anesthetic, or general anesthetic, or both ie. regional anesthetic and general anesthetic.
The aim of the study is to compare the amount of waste generated from each type of anesthetic and this will give us a better idea of which anesthetic is more environmentally sustainable.
Following Ethics approval, all adult patients undergoing surgery to fix the wrist fracture will be approached and consent to undergo this study. The amount of waste generated from general anesthetic, regional anesthetic and regional+general anesthetic will be collected and weighed. Waste will include disposable and reusable wastes. Examples of disposable waste are all plastic packaging, syringes, needles, breathing tube, breathing circuits, gloves as well as drugs. Examples of reusable waste will be anesthetic face mask, laryngeal mask (which is a form of airway device that can be reprocessed), sterile gowns. The amount of anesthetic gas used will be obtained from the anesthetic machine.
Patients undergoing this type of wrist surgery have only regional anesthetic (freezing performed higher up in the arm to numb the whole arm for several hours), or general anesthetic (patient completely goes to deep anesthetic sleep), or both ie. regional anesthetic (freezing just for pain control afterwards) and general anesthetic (patient goes to deep anesthetic sleep after the freezing is done and they may need less pain killer during the surgery as well as afterwards).
The amount of waste generated will be compared amongst these 3 groups by life cycle analysis.
| Arm | Type | Interventions | Description |
|---|---|---|---|
| Regional anesthetic | Other | Other: Regional anesthetic | Patients only have nerve block with or without sedation |
| General anesthetic | Other | Other: General anesthetic | Patients only have general anesthetic |
| Combined general anesthetic and regional anesthetic | Other | Other: Combined general anesthetic and regional anesthetic | Patients have both general anesthetic and regional anesthetic together |
Sex: All, ages: 19 Years to any
Inclusion Criteria: * All adult patients undergoing open reduction and internal fixation of wrist * ASA 1-3 Exclusion Criteria: * no contraindications for general anesthetic in the group for general anesthetic and vice versa
| Facility | City | Country | Status |
|---|---|---|---|
| University of Alberta Hospital | Edmonton, Alberta | Canada | |
| Sturgeon Community Hospital | St. Albert, Alberta | Canada |