Structural alterations of prosthetic meshes in humans

The use of prosthetic mesh in abdominal wall hernia surgery is a well-accepted practice. What is not settled, however, is the type of prosthesis that best suits the purpose. The narrow choice today means a prosthesis of polyester or polypropylene. These are available in many designs, configuration o...

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Veröffentlicht in:Hernia : the journal of hernias and abdominal wall surgery 2003-03, Vol.7 (1), p.29-34
Hauptverfasser: CODA, A, BENDAVID, R, BOTTO-MICCA, F, BOSSOTTI, M, BONA, A
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container_issue 1
container_start_page 29
container_title Hernia : the journal of hernias and abdominal wall surgery
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creator CODA, A
BENDAVID, R
BOTTO-MICCA, F
BOSSOTTI, M
BONA, A
description The use of prosthetic mesh in abdominal wall hernia surgery is a well-accepted practice. What is not settled, however, is the type of prosthesis that best suits the purpose. The narrow choice today means a prosthesis of polyester or polypropylene. These are available in many designs, configuration of weave, thickness of weave and strand, and size of pore. There has been a pervasive feeling that these materials "shrink". To what extent they do has not been accurately defined. This study was designed to measure such "shrinkage". Interestingly, our measurements revealed that prosthetic meshes could "expand" as well as "shrink". The extent to which they do varies between -40% and 58.5%. Whereas it was felt that fibrocyte activity and its eventual scar formation accounted for the "shrinkage" of the mesh, we have discovered that structural alterations in the size of the mesh pores can be affected by distilled water, saline, blood, formalin, bleach, as well as in vivo implantation. Prosthetic meshes are, therefore, not the inert materials they are claimed to be and can expand as well as shrink. We have, unfortunately, not been able to correlate the degree or direction of change to any known parameter.
doi_str_mv 10.1007/s10029-002-0089-6
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What is not settled, however, is the type of prosthesis that best suits the purpose. The narrow choice today means a prosthesis of polyester or polypropylene. These are available in many designs, configuration of weave, thickness of weave and strand, and size of pore. There has been a pervasive feeling that these materials "shrink". To what extent they do has not been accurately defined. This study was designed to measure such "shrinkage". Interestingly, our measurements revealed that prosthetic meshes could "expand" as well as "shrink". The extent to which they do varies between -40% and 58.5%. Whereas it was felt that fibrocyte activity and its eventual scar formation accounted for the "shrinkage" of the mesh, we have discovered that structural alterations in the size of the mesh pores can be affected by distilled water, saline, blood, formalin, bleach, as well as in vivo implantation. 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identifier ISSN: 1265-4906
ispartof Hernia : the journal of hernias and abdominal wall surgery, 2003-03, Vol.7 (1), p.29-34
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1248-9204
language eng
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source MEDLINE; Springer Online Journals Complete
subjects Adult
Aged
Aged, 80 and over
Biological and medical sciences
Device Removal
Female
Hernia, Ventral - surgery
Humans
Male
Medical sciences
Microscopy, Electron, Scanning
Middle Aged
Polyethylene Terephthalates - adverse effects
Polypropylenes - adverse effects
Prosthesis Design - adverse effects
Prosthesis Failure
Prosthesis Implantation
Recurrence
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Surgical Mesh - adverse effects
Technology. Biomaterials. Equipments
Treatment Failure
title Structural alterations of prosthetic meshes in humans
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