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Tracheal reconstruction with asymmetrically porous polycaprolactone/pluronic F127 membranes.

Authors: Seong Keun, Kwon; Jae-Jun, Song; Chang Gun, Cho; Seok-Won, Park; Jin Rae, Kim; Se Heang, Oh; Jin Ho, Lee;

Tracheal reconstruction with asymmetrically porous polycaprolactone/pluronic F127 membranes.

Abstract

Congenital and acquired tracheal stenosis continues to be challenging problems. The purpose of this study was to evaluate the efficacy of an asymmetrically porous membrane (APM) to induce tracheal reconstruction by inhibition of granulation tissue growth into the tracheal lumen whereas minimizing graft failure.The APM was fabricated with polycaprolactone (PCL) and pluronic F127 to have nano-size pores at top side, whereas the bottom side had micro-size pores. Fifteen rabbits underwent tracheal defect, which was then reconstructed with the APM. Rabbits were euthanized 1, 4, and 12 weeks postoperatively, and endoscopic, histologic, and radiologic evaluations were conducted.Endoscopy did not reveal granulation ingrowth into tracheal lumen. APM was well incorporated into the surrounding tissue on histologic evaluation. CT scans showed well maintained airways.Off-the-shelf use of APM for tracheal reconstruction seems to be a promising strategy in the treatment of tracheal defects.

Related Organizations
Keywords

Male, Polyesters, Membranes, Artificial, Poloxamer, Plastic Surgery Procedures, Immunohistochemistry, Trachea, Disease Models, Animal, Treatment Outcome, Animals, Regeneration, Rabbits, Tracheal Stenosis, Follow-Up Studies

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Powered by OpenAIRE graph
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
22
Top 10%
Top 10%
Top 10%
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