Scientists create artificial, ‘living aneurysm’ outside the human brain in extraordinary first

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 For the first time, researchers have 3D printed a ‘living’ model of an aneurysm outside the body, using human brain cells. The breakthrough could one day assist brain surgeons in both training and high-risk decision-making.

An aneurysm occurs when a bulge or bubble develops at a weak point in a given blood vessel, which can take place in the heart or brain. The weakened wall can eventually rupture, with catastrophic and life-threatening consequences for the patient.

Given the highly sensitive and delicate areas in which aneurysms take place, they are often extremely difficult to both find and treat.

As a potential solution, researchers at the Lawrence Livermore National Laboratory (LLNL), including scientists from Duke University and Texas A&M, have created an external, artificial replica which mimics the particular environment in which aneurysms occur.

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