Status:

COMPLETED

ENIGMA - Evaluation of Nitrous Oxide In the Gas Mixture for Anaesthesia: a Randomised Controlled Trial

Lead Sponsor:

Bayside Health

Collaborating Sponsors:

National Health and Medical Research Council, Australia

Australia: Theapeutic Goods Administration

Conditions:

Quality of Recovery From Anaesthesia

Effects of Nitrous Oxide Following Anaesthesia

Eligibility:

All Genders

18+ years

Phase:

PHASE4

Brief Summary

We aim to investigate the effectiveness and safety of nitrous oxide (N2O) in anaesthesia. Hypothesis In patients undergoing anaesthesia for major surgery, avoidance of N2O will reduce hospital length...

Detailed Description

There are some compelling reasons to question the routine use of nitrous oxide (N2O), also known as "laughing gas". Despite being the first anaesthetic drug introduced, and still widely used, there is...

Eligibility Criteria

Inclusion

  • Males and females, age 18 years and over
  • Planned general anaesthesia for surgery that includes a skin incision and expected to exceed two hours, and the patient is expected to be in hospital for at least three days

Exclusion

  • Endoscopic or radiological procedures
  • Cardiac surgery
  • Marked impairment of gas-exchange (requiring Fi02\> 0.3)
  • Thoracic surgery requiring one-lung ventilation (requiring Fi02\> 0.3)
  • Specific circumstances where N2O is contraindicated (eg. volvulus, pulmonary hypertension, raised intracranial pressure)
  • Lack of provision of N2O.

Key Trial Info

Start Date :

April 1 2003

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 1 2004

Estimated Enrollment :

2070 Patients enrolled

Trial Details

Trial ID

NCT00164047

Start Date

April 1 2003

End Date

December 1 2004

Last Update

July 31 2009

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Alfred Hospital

Melbourne, Victoria, Australia, 3004