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Dr. Laura Niklason, vice-chair of anesthesiology and biomedical engineering at Yale University, said it might be more challenging to replace arteries elsewhere in the body, including near the heart, where the blood pressure is higher and the structure would be under more strain.
But she said getting organs made in laboratories was no longer science fiction. While producing complicated things like kidneys, lungs and livers might take a bit longer, other body parts _ like engineered skin and cartilage _ are already widely available.
There are several experiments under way for blood vessels, similar to the Lancet study.
“This type of thing is not 20 years away,” Niklason said, estimating that more patients might get lab-made vessels in about five years.
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