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https://www.readbyqxmd.com/read/27782996/comparison-of-antibiotic-coated-versus-uncoated-porcine-dermal-matrix
#1
Leslie E Cohen, Thomas A Imahiyerobo, Jeffrey R Scott, Jason A Spector
BACKGROUND: The objective of this study was to evaluate the antimicrobial performance of a rifampin/minocycline-coated, non-cross-linked, acellular porcine dermal matrix (XenMatrix AB) compared to an uncoated, non-cross-linked, acellular porcine dermal matrix (Strattice) after implantation/inoculation with methicillin-resistant Staphylococcus aureus or Escherichia coli in a dorsal rabbit model. METHODS: Forty male New Zealand White rabbits were bilaterally implanted with XenMatrix AB or Strattice grafts and inoculated with clinically isolated methicillin-resistant S...
November 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27528210/biologic-mesh-in-ventral-hernia-repair-outcomes-recurrence-and-charge-analysis
#2
Ciara R Huntington, Tiffany C Cox, Laurel J Blair, Samuel Schell, David Randolph, Tanushree Prasad, Amy Lincourt, B Todd Heniford, Vedra A Augenstein
BACKGROUND: Biologic mesh choice in ventral hernia repair is challenging due to lack of prospective data. This study examines long-term, single-center biologic mesh outcomes. METHODS: Prospective operative outcomes data was queried for open ventral hernia repair with biologic mesh. Univariate and multivariate analysis were used to compare mesh outcomes. RESULTS: In the study, 223 patients underwent open ventral hernia repair with biologic mesh, including 40 with Alloderm, 23 AlloMax, 70 FlexHD, 68 Strattice, and 22 Xenmatrix...
December 2016: Surgery
https://www.readbyqxmd.com/read/27421887/early-clinical-outcomes-of-a-novel-antibiotic-coated-non-crosslinked-porcine-acellular-dermal-graft-after-complex-abdominal-wall-reconstruction
#3
Erin H Baker, Darren Lepere, Megan P Lundgren, Patrick J Greaney, David A Ehrlich, Steven E Copit, Allison L Murphree, Anthony J Canfield, Glenn Parker, David A Iannitti
BACKGROUND: Non-crosslinked porcine acellular dermal grafts (NCPADG) are currently the mainstay biomaterial for abdominal wall reconstruction (AWR) in complex hernia patients. We report early clinical outcomes using a novel rifampin/minocycline-coated NCPADG for AWR. STUDY DESIGN: A multi-institutional retrospective review was performed of patients who underwent ventral hernia repair using XenMatrix AB Surgical Graft (CR Bard, Inc [Davol]). Patient demographics, hernia and procedure characteristics, and surgical site occurrences/postoperative complications were reviewed up to 6 months after AWR...
October 2016: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/27354551/evaluation-of-the-antimicrobial-efficacy-of-a-novel-rifampin-minocycline-coated-noncrosslinked-porcine-acellular-dermal-matrix-compared-with-uncoated-scaffolds-for-soft-tissue-repair
#4
Arnab Majumder, Jeffrey R Scott, Yuri W Novitsky
Background Despite meticulous aseptic technique and systemic antibiotics, bacterial colonization of mesh remains a critical issue in hernia repair. A novel minocycline/rifampin tyrosine-coated, noncrosslinked porcine acellular dermal matrix (XenMatrix AB) was developed to protect the device from microbial colonization for up to 7 days. The objective of this study was to evaluate the in vitro and in vivo antimicrobial efficacy of this device against clinically isolated methicillin-resistant Staphylococcus aureus (MRSA) and Escherichia coli...
October 2016: Surgical Innovation
https://www.readbyqxmd.com/read/24555005/process-induced-extracellular-matrix-alterations-affect-the-mechanisms-of-soft-tissue-repair-and-regeneration
#5
Wendell Q Sun, Hui Xu, Maryellen Sandor, Jared Lombardi
Extracellular matrices derived from animal tissues for human tissue repairs are processed by various methods of physical, chemical, or enzymatic decellularization, viral inactivation, and terminal sterilization. The mechanisms of action in tissue repair vary among bioscaffolds and are suggested to be associated with process-induced extracellular matrix modifications. We compared three non-cross-linked, commercially available extracellular matrix scaffolds (Strattice, Veritas, and XenMatrix), and correlated extracellular matrix alterations to in vivo biological responses upon implantation in non-human primates...
2013: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/22538685/effect-of-enzymatic-degradation-on-the-mechanical-properties-of-biological-scaffold-materials
#6
Afua H Annor, Michael E Tang, Chi Lun Pui, Gregory C Ebersole, Margaret M Frisella, Brent D Matthews, Corey R Deeken
BACKGROUND: Biological scaffolds must support a complex balance of resisting enzymatic degradation while promoting tissue remodeling. Thus, the purpose of this study was to evaluate the effects of in vitro enzymatic exposure on the mechanical properties of biological scaffolds. It was hypothesized that exposure to an enzyme solution would result in decreased tensile strength and that crosslinked scaffolds would resist enzymatic degradation more effectively than noncrosslinked scaffolds...
October 2012: Surgical Endoscopy
https://www.readbyqxmd.com/read/22521670/effect-of-repetitive-loading-on-the-mechanical-properties-of-biological-scaffold-materials
#7
COMPARATIVE STUDY
Chi Lun Pui, Michael E Tang, Afua H Annor, Gregory C Ebersole, Margaret M Frisella, Brent D Matthews, Corey R Deeken
BACKGROUND: Coughing, bending, and lifting raise the pressure inside the abdomen, repetitively increasing stresses on the abdominal wall and the associated scaffold. The purpose of this study was to evaluate the effect of repetitive loading on biological scaffolds. It was hypothesized that exposure to repetitive loading would result in decreased tensile strength and that crosslinked scaffolds would resist these effects more effectively than non-crosslinked scaffolds. STUDY DESIGN: Nine materials were evaluated (porcine dermis: Permacol, CollaMend, Strattice, XenMatrix; human dermis: AlloMax, FlexHD; bovine pericardium: Veritas, PeriGuard; and porcine small intestine submucosa: Surgisis; in addition, Permacol, CollaMend, and PeriGuard are crosslinked)...
August 2012: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/21337869/repair-of-high-risk-incisional-hernias-and-traumatic-abdominal-wall-defects-with-porcine-mesh
#8
Matthew C Byrnes, Eric Irwin, Dana Carlson, Amy Campeau, Jonathon C Gipson, Alan Beal, J Kevin Croston
Complex ventral hernias represent a significant challenge to surgeons. We hypothesized that a wide underlay technique in combination with a novel biologic mesh would result in repair with a low recurrence rate. Medical records of patients undergoing ventral herniorrhaphy with XenMatrix biologic mesh were evaluated. All patients were evaluated for hernia recurrence both immediately and after 2 to 3 years. There were 57 patients included in the study. The overall recurrence rate was 7.2 per cent; however, all recurrences were early and were likely technical failures...
February 2011: American Surgeon
https://www.readbyqxmd.com/read/21298542/bacterial-clearance-of-biologic-grafts-used-in-hernia-repair-an-experimental-study
#9
K C Harth, A-M Broome, M R Jacobs, J A Blatnik, F Zeinali, S Bajaksouzian, M J Rosen
BACKGROUND: Biologic grafts used in ventral hernia repair are derived from various sources and undergo different post-tissue-harvesting processing, handling, and sterilization techniques. It is unclear how these various characteristics impact graft response in the setting of contamination. We evaluated four materials in an infected hernia repair animal model using fluorescence imaging and quantitative culture studies. METHODS: One hundred seven rats underwent creation of a chronic hernia...
July 2011: Surgical Endoscopy
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