Cited by 38Tissue Engineering and Regenerative MedicineElectrospun Nanofibers in Biomedical ApplicationsSurgical Sutures and Adhesives

Effect of Healing on Small Internal Diameter Arterial Graft Compliance

White, R., Goldberg, L., Hirose, F., Klein, S., Bosco, P., Miranda, R., Long, J., Nelson, R. +1 more·1983·Biomaterials, Medical Devices, and Artificial Organs

Abstract

Porosity is an essential component for long term function of small internal diameter synthetic vascular prostheses. Theoretically, porosity is required for healing by providing a scaffold for ingrowth of periprosthetic tissues. Porosity may be required for transfer of fluids and ions in prostheses even if tissue ingrowth does not occur. Increased permeability of vascular grafts has been shown to enhance tissue incorporation. Implants with pore sizes greater than 10 microns but less than 45 microns become ingrown with fibrohistiocytic tissue and capillaries. Implants with pore sizes greater than 45 microns are ingrown with organized fibrous tissue and minimal histiocytic response. The phenomenon of differential ingrowth may have important functional significance. Prostheses which heal with organized fibrous tissue have the potential for long term contracture, strangulation of vascularity and calcification. Fibrohistiocytic tissue has low mechanical strength and does not appear to contract or calcify. Elastomeric microporous vascular prostheses which are minimally ingrown or ingrown with fibrohistiocytic tissue maintain compliance after months of implantation. This study was designated to determine the effects of healing on the compliance of small internal diameter vascular replacements and to correlate the compliance to patency rates.

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Registry

Crossref · 10.3109/10731198309118791

Cites

3 of 3 references verified0 citation errors · 0 not checkable

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  • These earlier studies used materials with broad pore-size distributions (only average pore size was reported), making conclusions about the effects of pore size difficult.

    “These earlier studies used materials with broad pore-size distributions (only average pore size was reported), making conclusions about the effects of pore size difficult.”
  • Pore size effects observed here relate to previous studies in which 10- to 45-μm pores filled with fibrohistiocytic tissue, whereas pores >45 μm filled with organized fibrous tissue.

    “Pore size effects observed here relate to previous studies in which 10- to 45-μm pores filled with fibrohistiocytic tissue, whereas pores >45 μm filled with organized fibrous tissue (31, 32).”

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Authors
White, R., Goldberg, L., Hirose, F., Klein, S., Bosco, P., Miranda, R., Long, J., Nelson, R., & Shors, E.
Affiliations
Harbor–UCLA Medical Center (US)
Venue
Biomaterials, Medical Devices, and Artificial Organs
Published
1983-01
Volume
11
Issue
1
Pages
21-29
ISSN
0090-5488 (ISSN-L)
OpenAlex
W2242260155
Cited by
38
References
3
Citations by year
2025: 1 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 2 · 2012: 1
FWCI
3.07
Type
journal article
Language
en
Open access
closed
Locations
  • Biomaterials Medical Devices and Artificial Organs (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Surgery › Tissue Engineering and Regenerative Medicine
  • Physical Sciences › Materials Science › Biomaterials › Electrospun Nanofibers in Biomedical Applications
  • Health Sciences › Medicine › Surgery › Surgical Sutures and Adhesives
Keywords
graft healing, porosity, pore size, tissue ingrowth, fibrous tissue, graft patency, graft calcification, graft contracture
MeSH terms
Animals, Biocompatible Materials, Blood Vessel Prosthesis, Compliance, Dogs, Femoral Artery, Polytetrafluoroethylene, Polyurethanes, Silicone Elastomers, Veins, Wound Healing

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