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Ann Thorac Surg 1994;58:806-810
© 1994 The Society of Thoracic Surgeons

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Articles

New approach to aortic dissection: Development of an insertable aortic prosthesis

Department of Cardiovascular Surgery and Second Department of Surgery, Hokkaido University, Sapporo, Japan

Accepted for publication January 22, 1994.

^_* Address reprint requests to Dr Yoshida, Department of Cardiovascular Surgery, Hokkaido University Hospital, N-14, W-5, Kita-ku, Sapporo, 060 Japan.

	Abstract

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We have developed a new aortic prosthesis with which we can replace or reinforce the aorta using a simple percutaneous technique. We have named the new prosthesis the shape-memory aortic prosthesis (SAP); if consists of a spiral-shaped nitinol stent and polyurethane tube. It can be compressed inside a 14F catheter at a low temperature and regain its original shape at above 30 °C. As a preliminary study, SAP sutureless grafting into the descending aorta was performed on 10 mongrel dogs. We found that when the proper diameter of SAP was applied, it functioned satisfactorily for 3 months or more. A percutaneous placement technique pertinent to the SAP also was developed and tried on 4 animals. Our procedure was applied to Stanford type B dissection models to close the entry point successfully. This newly developed SAP has potential to be applied to emergency cases of human aortic dissections.

	Footnotes

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This study was sponsored partly by a grant-in-Aid for Scientific Research (project number 01870057, Japan-1992). We are indebted to Mr Osamu Sumita for his contributions to this study.

	References

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This Article Abstract Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Citation Map Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Add to Personal Folders Download to citation manager Permission Requests Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Yoshida, H. Articles by Tanabe, T. Search for Related Content PubMed PubMed Citation Articles by Yoshida, H. Articles by Tanabe, T.