Heart surgery brain fog: could a simple sedative be the answer?
NCT ID NCT04289142
First seen Jan 10, 2026 · Last updated May 21, 2026 · Updated 19 times
Summary
This study tests whether a sedative called dexmedetomidine can prevent long-term memory and thinking problems that often occur after heart surgery. Researchers will enroll 2,400 adults aged 60 and older who are having bypass or valve surgery. Participants will receive either dexmedetomidine or a placebo during surgery, and their cognitive function will be tracked for up to a year.
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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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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Locations
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Laval University
RECRUITINGQuébec, Quebec, G1V 0A6, Canada
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Contact Email: •••••@•••••
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London Health Sciences
ACTIVE_NOT_RECRUITINGLondon, Ontario, N6A 5A5, Canada
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Royal Columbian Hospital
ACTIVE_NOT_RECRUITINGVancouver, British Columbia, V3L 0A2, Canada
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St. Michael's Hospital
NOT_YET_RECRUITINGToronto, Ontario, M5B 1W8, Canada
Contact
Contact Email: •••••@•••••
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St. Paul's Hospital
RECRUITINGVancouver, British Columbia, V6Z 1Y6, Canada
Contact Email: •••••@•••••
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Sunnybrook Health Sciences Centre
RECRUITINGToronto, Ontario, M4N 3M5, Canada
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Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Toronto General Hospital
ACTIVE_NOT_RECRUITINGToronto, Ontario, M5G 2C4, Canada
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University of Saskatchewan
ACTIVE_NOT_RECRUITINGSaskatoon, Saskatchewan, S7N 0W8, Canada
Conditions
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