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NCT Number: NCT07252973

Sustainable Anaesthesia Practices in EUROPE - a Prospective International Cohort Study

In response to the climate crises, Societies of Anaesthesiology around the globe call for action to reduce the carbon footprint of daily clinical work. They recommend the use of regional and total intravenous anaesthesia, and for inhalational anaesthesia cases, the use of sevoflurane with low fresh gas flow (FGF < 0.5 lpm) settings. Surprisingly, the type of anaesthesia and ventilation settings commonly used remain largely unknown. This pragmatic observational cross-sectional assessment at all anaesthesia workstations in participating European hospitals in daily routine aims to evaluate anaesthesia practices in the paediatric and adult patient population.

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Key information

Conditions

Anaesthesia Conduction Carbon Footprint in Anesthetic Paediatric and Adult Patients

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • All patients receiving any form of anaesthesia care-whether general or regional anaesthesia, monitored sedation, or monitoring only-from an anaesthetist at an anaesthesia workstation in participating European hospitals during the selected data-collection recruitment period

Exclusion criteria

  • Patients (or legal guardians) who decline consent and patients for whom valid informed consent cannot be obtained due to language barriers or other factors preventing adequate information and understanding.

Treatment and study plan

Anaesthesia technique

Other

Observation of type of anaesthesia used in Europe

Primary outcomes

  1. Type of anaesthesia (inhalational and intravenous general anaesthesia, regional anaesthesia, sedation, combinations, monitoring only)

    Time frame: 5-60 min after the skin incision

    The type of anaesthesia (inhalational and intravenous general anaesthesia, regional anaesthesia, sedation, combinations, or monitoring only) will be recorded by a trained team member collecting data perioperatively 5-60 minutes after skin incision or start of procedure, respectively. In the event that the anaesthetic approach changes intraoperatively, only the technique recorded at that time point will be used for analysis. Any local anaesthetic infiltration performed by the anaesthetist will be classified as regional anaesthesia, whereas if the surgeon alone administers local anaesthetic, this will not be classified by regional anaesthesia.

Sponsors and collaborators

Lead sponsor

European Society of Anaesthesiology

Other

Registry information

Official study title

Sustainable Anaesthesia Practices in EUROPE

Acronym: SUSTAIN-EUROPE

Important dates

Study start
2026
Primary completion
2027
Study completion
2027
First posted
Nov 28, 2025
Registry last updated
Nov 28, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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