Document Detail


Development of a growable vascular graft.
MedLine Citation:
PMID:  3196526     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A vascular graft that can grow with the growth of its recipient was developed. The graft implanted in the thoracic descending aorta grew slowly to the expected size within a year after implantation in puppies. Human saphenous vein was used as the substrate material. It was dipped into distilled water and sonicated, resulting in cell destruction, and followed by cross-linking with a polyepoxy compound to give both controlled biodegradability, hydrophilicity, and antithrombogenic properties. Four millimeter inner diameter (ID) grafts, enveloped with polyester mesh tubes of 10 mm ID, were implanted in 11 puppies. The diameter of the grafts grew to 9.5 mm from their original 4 mm. After 1 year, the graft walls that were reinforced with polyester mesh were covered with endothelial cells. The following requirements were provided in a growable graft: 1) antithrombogenicity in a small caliber graft; 2) ability to grow as well as to terminate growth. The polyester mesh tube, which was larger than the graft, caused arrest of growth at the expected diameter, whereas the growth rate was controlled by the degree of graft cross-linking. With this method, any size graft can be made by changing the size of the original graft and the polyester mesh tube around it.
Authors:
Y Noishiki; Y Yamane; M Furuse; T Miyata
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  ASAIO transactions / American Society for Artificial Internal Organs     Volume:  34     ISSN:  0889-7190     ISO Abbreviation:  ASAIO Trans     Publication Date:    1988 Jul-Sep
Date Detail:
Created Date:  1989-01-26     Completed Date:  1989-01-26     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8611947     Medline TA:  ASAIO Trans     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  308-13     Citation Subset:  IM    
Affiliation:
Department of Rehabilitation Medicine, Medical School, Okayama University, Tottori, Japan.
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MeSH Terms
Descriptor/Qualifier:
Animals
Aorta, Thoracic / surgery*
Bioprosthesis
Blood Vessel Prosthesis*
Dogs
Endothelium / ultrastructure
Microscopy, Electron, Scanning
Prosthesis Design*
Saphenous Vein / growth & development,  transplantation*,  ultrastructure
Sonication
Vascular Patency

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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