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THE JOURNAL OF CARDIOVASCULAR SURGERY

Rivista di Chirurgia Cardiaca, Vascolare e Toracica


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The Journal of Cardiovascular Surgery 1998 April;39(2):179-80

Copyright © 2000 EDIZIONI MINERVA MEDICA

lingua: Inglese

Dilatation of sealed Dacron vascular prostheses: a comparison of Gelseal® and Hemashield®

Utoh J., Goto H., Hirata T., Hara M., Kitamura N.

From the First Department of Surgery, Kumamoto University School of Medicine - Kumamoto, Japan


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Objective. Early postoperative dilation of a gelatin-impregnated knitted dacron prosthesis (Gelseal®, Vascutek) and a collagen-impregnated woven Dacron prosthesis (Hemashield®, Meadox Medicals) was studied.
Experimental design. Prospective study.
Setting. Institutional clinical research.
Materials and methods. A total of 30 patients who underwent aortic repair for abdominal aortic aneurysm with a Gelseal (n=15) or Hemashield (n=15) were studied. Prior to and immediately following implantation, the diameter of each graft was measured with slide calipers. The external diameter was examined by CT scan 4 weeks after surgery. Early dilation of Gelseal and Hemashield was estimated and compared.
Results. Prior to implantation, the external diameter of the Gelseal and Hemashield was 120% and 113% of the package size (PS), respectively, while the internal diameter was 103% and 102% of the PS, respectively. Following implantation, the external diameter of the Gelseal and Hemashield was 122% and 113% (immediately after) and 129% and 118% (4 weeks later) of the PS, respectively.
Conclusions. The actual dilation rate for the first 4 weeks after implantation was estimated as 8% with the Gelseal and 4% with the Hemashield.

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