Less oxygen may save more lives after cardiac arrest, study hints
NCT ID NCT03138005
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether giving less oxygen (aiming for 90-94% oxygen in the blood) right after a cardiac arrest outside the hospital helps more people survive to leave the hospital. It included 428 unconscious adults who had been revived and were on a breathing tube. The trial was stopped early, but results may guide future oxygen use in emergency care.
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Alfred Hospital
Melbourne, Victoria, 3004, Australia
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Ambulance Victoria
Melbourne, Victoria, 3130, Australia
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Austin Hospital
Melbourne, Victoria, 3084, Australia
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Barwon Health: Geelong
Melbourne, Victoria, 3220, Australia
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Box Hill Hospital
Melbourne, Victoria, 3128, Australia
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Eastern Health: Maroondah Hospital
Melbourne, Victoria, 3135, Australia
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Fiona Stanley Hospital
Perth, Western Australia, 6150, Australia
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Lyell McEwin Hospital
Adelaide, South Australia, 5112, Australia
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Monash Medical Centre
Melbourne, Victoria, 3168, Australia
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Northern Health: The Northern Hospital
Melbourne, Victoria, 3076, Australia
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Peninusla Health: Frankston Hospital
Melbourne, Victoria, 3199, Australia
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Royal Adelaide Hospital
Adelaide, South Australia, 5000, Australia
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Royal Perth Hospital
Perth, Western Australia, 6000, Australia
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SA Ambulance Service
Adelaide, South Australia, 5063, Australia
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Sir Charles Gairdner Hospital
Perth, Western Australia, 6009, Australia
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St John Ambulance Western Australia
Perth, Western Australia, 6984, Australia
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St Vincents Hospital
Melbourne, Victoria, 3065, Australia
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The Queen Elizabeth Hospital
Adelaide, South Australia, 5011, Australia
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The Royal Melbourne Hospital
Melbourne, Victoria, 3050, Australia
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Western Health: Footscray Hospital
Melbourne, Victoria, 3011, Australia
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Western Health: Sunshine Hospital
Melbourne, Victoria, 3021, Australia