3D-Printed heart models could make stroke prevention safer
NCT ID NCT07483008
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether using a 3D-printed model of a heart chamber helps doctors better plan a procedure to close off a small pouch in the heart. This pouch, called the left atrial appendage, is a common source of blood clots that can cause stroke in people with atrial fibrillation. The trial involved 184 people and compared standard planning with planning that included a custom 3D-printed model. The goal was to see if the 3D model leads to a more complete seal and fewer complications.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
3D-printed models of the left atrial appendage
What this could lead to
If it works, this could make a common heart procedure safer and more effective, reducing complications like stroke and bleeding.
What could go wrong
This is a single, completed trial with 184 people. The technology may not improve outcomes enough to justify the extra cost and time.
Disclaimer
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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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Division of Cardiology, Department of Medicine and Therapeutics Faculty of Medicine, The Chinese University of Hong Kong
Hong Kong, New Territories, Sha Tin, Hong Kong