Oxygen after heart attack: less may be more?
NCT ID NCT03138005
First seen Nov 01, 2025 · Last updated May 19, 2026 · Updated 30 times
Summary
This study looked at whether giving less oxygen (targeting 90-94% oxygen levels) right after a cardiac arrest outside the hospital could help more people survive to leave the hospital. It included 428 unconscious adults who had been resuscitated. The trial was stopped early, and results are still being analyzed.
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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.
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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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
Conditions
Explore the condition pages connected to this study.