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Updated: Feb 9, 2026

Core/shell Printing Scaffolds For Tissue Engineering Of Tubular Structures
Published on: September 27, 2019
Overlapping bio-absorbable scaffolds: Aim for D2D technique?
Asaad A Khan1, George D Dangas1
1Mount Sinai School of Medicine, Cardiovascular Institute, One Gustave L. Levy Place, New York, New York.
Abstract:
The results of overlapping metallic stents have been concerning but this practice is often unavoidable in the setting of long or tortuous lesions, diameter discrepancy of proximal and distal vessel, and for residual dissections. Theoretically, bio-absorbable scaffolds may carry an advantage over metallic stents due to the progressive resorption of the scaffold theoretically rendering the overlap a non-issue; this has not been clinically evident. Since stent/scaffold overlap cannot be entirely avoided, improved stent delivery/deployment and scaffold design modification may reduce complications in this complex patient subset.
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