vascularized graft
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2021 ◽  
pp. 549-554
Author(s):  
Mathilde Gras ◽  
Lorenzo Merlini ◽  
Christophe Mathoulin
Keyword(s):  

Cureus ◽  
2020 ◽  
Author(s):  
Terrence Jose Jerome ◽  
Ramesh Prabu ◽  
Thirumagal Kuppusamy Terrence ◽  
Suresh Bhalaji ◽  
Bhuvaneswari Shanmugasundaram

2020 ◽  
Author(s):  
Lior Debbi ◽  
Barak Zohar ◽  
Yulia Shandalov ◽  
Shulamit Levenberg

AbstractFabrication of a functional hierarchical vascular network remains an unmet need for cultivation and transplantation of 3D engineered tissues. In this work, an effective approach was developed to fabricate a functional, perfusable and biocompatible, multi-scale vascular network (MSVT) within thick, implantable engineered tissues. Using a templating technique, macro-vessels were patterned in a 3D biodegradable polymeric scaffold seeded with endothelial and support cells within a collagen gel. The lumen of the macro-vessel was lined with endothelial cells, which further sprouted and anastomosed with the surrounding self-assembled capillaries. Anastomoses between the two-scaled vascular systems displayed tightly bonded cell junctions, as indicated by vascular endothelial cadherin expression. Moreover, MSVT functionality and patency were demonstrated by dextran passage through the interconnected hierarchical vasculature. Additionally, physiological flow conditions were applied with home-designed flow bioreactors, to achieve a MSVT with a natural endothelium structure. Finally, implantation of a multi-scale-vascularized graft in a mouse model resulted in a clear beneficial effect, as reflected by extensive host vessel penetration into the graft and an increase in blood perfusion via the engineered vessels as compared to control microscale-vascularized graft. Designing and fabricating such multi-scale vascular architectures within 3D engineered tissues is essential, both for in-vitro models and for therapeutic translation research.


Injury ◽  
2020 ◽  
Author(s):  
Ali Cavit ◽  
Osman Civan ◽  
Sercan Capkin ◽  
Tufan Kaleli ◽  
Haluk Ozcanli ◽  
...  

Hand Clinics ◽  
2019 ◽  
Vol 35 (3) ◽  
pp. 323-344 ◽  
Author(s):  
Schneider K. Rancy ◽  
Gernot Schmidle ◽  
Scott W. Wolfe
Keyword(s):  

2018 ◽  
Vol 10 (03) ◽  
pp. 146-149 ◽  
Author(s):  
Òscar Izquierdo ◽  
Pilar Aparicio ◽  
Enric Domínguez ◽  
Juan Castellanos

AbstractThere is a general consensus that the pathogenesis for Kienböck’s disease remains uncertain, though it is probably related to nonphysiologic stress transmission across the lunate, acting in concert with one of several possible vascular abnormalities. Most surgical treatments focus on mechanical aspects rather than real physiopathology, but in the recent years several articles have shown the utility of vascularized grafts in the treatment of Kienböck’s disease, especially in its early stages. The authors present a case of a successfully reconstruction of a IIIA stage Kienböck’s disease with an osteochondral vascularized graft from medial femoral condyle.


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