A Novel Small-Caliber Bacterial Cellulose Vascular Prosthesis: Production, Characterization, and Preliminary In Vivo Testing.

Abstract:

:Vascular grafts are used to bypass damaged or diseased blood vessels. Bacterial cellulose (BC) has been studied for use as an off-the-shelf graft. Herein, we present a novel, cost-effective, method for the production of small caliber BC grafts with minimal processing or requirements. The morphology of the graft wall produced a tensile strength above that of native vessels, performing similarly to the current commercial alternatives. As a result of the production method, the luminal surface of the graft presents similar topography to that of native vessels. We have also studied the in vivo behavior of these BC graft in order to further demonstrate their viability. In these preliminary studies, 1 month patency was achieved, with the presence of neo-vessels and endothelial cells on the luminal surface of the graft.

journal_name

Macromol Biosci

authors

Leitão AF,Faria MA,Faustino AM,Moreira R,Mela P,Loureiro L,Silva I,Gama M

doi

10.1002/mabi.201500251

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

139-50

issue

1

eissn

1616-5187

issn

1616-5195

journal_volume

16

pub_type

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