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MatriStem

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https://www.readbyqxmd.com/read/27825152/a-porcine-urinary-bladder-matrix-does-not-recapitulate-the-spatiotemporal-macrophage-response-of-muscle-regeneration-after-volumetric-muscle-loss-injury
#1
Amit Aurora, Benjamin T Corona, Thomas J Walters
Volumetric muscle loss (VML) results in irrecoverable loss of muscle tissue making its repair challenging. VML repair with acellular extracellular matrix (ECM) scaffolds devoid of exogenous cells has shown improved muscle function, but limited de novo muscle fiber regeneration. On the other hand, studies using minced autologous and free autologous muscle grafts have reported appreciable muscle regeneration. This raises the fundamental question whether an acellular ECM scaffold can orchestrate the spatiotemporal cellular events necessary for appreciable muscle fiber regeneration...
2016: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/27681811/a-comparative-analysis-of-skin-substitutes-used-in-the-management-of-diabetic-foot-ulcers
#2
M Martinson, N Martinson
OBJECTIVE: To compare the relative product cost and clinical outcomes of four skin substitutes used as adjunctive treatments for diabetic foot ulcers (DFUs). METHOD: Medicare claims data from 2011 to 2014 were used to identify beneficiaries with diabetes and foot ulcers. Patients treated with one of four types of skin substitute (Apligraf, Dermagraft, OASIS, and MatriStem) were identified. The skin substitutes were compared on episode length; amputation rate; skin substitute utilisation; and skin substitute costs...
October 2016: Journal of Wound Care
https://www.readbyqxmd.com/read/27486495/case-report-cardiac-tumor-resection-and-repair-with-porcine-xenograft
#3
Walid K Abu Saleh, Odeaa Al Jabbari, Basel Ramlawi, Brian A Bruckner, Matthias Loebe, Michael J Reardon
Primary cardiac sarcomas are rare and carry a grave prognosis. Improved survival requires a complete margin negative resection of the tumor. These surgical resections are often large and complex, requiring extensive reconstructive procedures. The appropriate material for cardiac reconstruction is not known. We have used glutaraldehyde-fixed bovine pericardium in our early series but have recently employed the MatriStem(®) Surgical Matrix PSMX membrane (ACell(®), Inc.; Columbia, MD), a unique proprietary urinary bladder matrix derived from porcine urinary bladder with the potential for viability and tissue ingrowth...
April 2016: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/27410467/evaluation-of-tissue-engineering-products-for-the-management-of-neuropathic-diabetic-foot-ulcers-an-interim-analysis
#4
R G Frykberg, S M Cazzell, J Arroyo-Rivera, A Tallis, A M Reyzelman, F Saba, L Warren, B C Stouch, T W Gilbert
OBJECTIVE: The objective of this prospective, multicentre clinical study is to assess the application of MatriStem MicroMatrix (MSMM) and MatriStem Wound Matrix (MSWM) (porcine urinary bladder derived extracellular matrix) compared with Dermagraft (DG) (human fibroblast-derived dermal substitute) for the management of non-healing diabetic foot ulcers (DFUs). METHOD: A randomised, multicentre study was conducted at thirteen centers throughout the US. It was designed to evaluate the incidence of ulcer closure, rate of ulcer healing, wound characteristics, patient quality of life, cost-effectiveness, and recurrence...
July 2016: Journal of Wound Care
https://www.readbyqxmd.com/read/27372297/novel-use-of-porcine-urinary-bladder-matrix-for-pediatric-pilonidal-wound-care-preliminary-experience
#5
Robert M Dorman, Kathryn D Bass
BACKGROUND: Extracellular matrix is used in various applications. We present our preliminary experience using a new device that consists of a porcine extracellular matrix with an epithelial basement membrane (MatriStem(®), ACell, Inc. Columbia, MD, USA) for adolescent pilonidal disease. METHODS: A retrospective review of four patients with pilonidal disease was undertaken. Three occurred in the gluteal cleft, and the fourth in the umbilicus. In the first patient, the wound deficit was filled with lyophilized MicroMatrix powder and a sheet of Multilayer Wound Matrix was placed to cover the wound...
October 2016: Pediatric Surgery International
https://www.readbyqxmd.com/read/27178506/novel-treatment-of-a-septal-ulceration-using-an-extracellular-matrix-scaffold-septal-ulceration-treatment-using-ecm
#6
Yi-Chun Carol Liu, Nipun Chhabra, Steven M Houser
BACKGROUND: Septal ulceration is a mucositis involving the mucous membranes of the nasal septum. Patients often complain of nasal irritation, crusting, and epistaxis. Presently, there is no gold standard for the treatment of septal ulcerations. Currently described therapies include local debridement, septal dermoplasty, septal flap reconstruction, and cadaveric dermal graft repair; however, no therapy has demonstrated a consistent improvement of symptoms. We present a novel approach for the treatment of chronic septal ulceration, using an extracellular matrix scaffold (MatriStem® Wound Care Matrix, ACell, Inc...
May 2016: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/27127439/right-atrial-tumor-resection-and-reconstruction-with-use-of-an-acellular-porcine-bladder-membrane
#7
Walid K Abu Saleh, Odeaa Al Jabbari, Basel Ramlawi, Brian A Bruckner, Matthias Loebe, Michael J Reardon
Malignant cardiac tumors typically have a grave prognosis; their resection with negative margins is optimal. We present the case of a 21-year-old woman in whom we surgically resected a primary cardiac sarcoma and reconstructed the right atrium with use of a porcine urinary bladder membrane-the MatriStem(®) Surgical Matrix PSMX. The patient recovered uneventfully. Six months postoperatively, the right atrial wall had retained its integrity. In addition to our patient's case, we discuss the benefits of using the MatriStem membrane in cardiac reconstruction...
April 2016: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/26256250/an-acellular-biologic-scaffold-does-not-regenerate-appreciable-de-novo-muscle-tissue-in-rat-models-of-volumetric-muscle-loss-injury
#8
Amit Aurora, Janet L Roe, Benjamin T Corona, Thomas J Walters
Extracellular matrix (ECM) derived scaffolds continue to be investigated for the treatment of volumetric muscle loss (VML) injuries. Clinically, ECM scaffolds have been used for lower extremity VML repair; in particular, MatriStem™, a porcine urinary bladder matrix (UBM), has shown improved functional outcomes and vascularization, but limited myogenesis. However, efficacy of the scaffold for the repair of traumatic muscle injuries has not been examined systematically. In this study, we demonstrate that the porcine UBM scaffold when used to repair a rodent gastrocnemius musculotendinous junction (MTJ) and tibialis anterior (TA) VML injury does not support muscle tissue regeneration...
October 2015: Biomaterials
https://www.readbyqxmd.com/read/25975335/short-term-results-of-treating-primary-and-recurrent-anal-fistulas-with-a-novel-extracellular-matrix-derived-from-porcine-urinary-bladder
#9
Tara Iorio, David Blumberg
Anal fistulas are difficult to treat because they are often recalcitrant to medical therapies and surgical treatment may lead to significant morbidities. A recent novel biologically derived graft from porcine urinary bladder (MatriStem(TM)) has shown great promise in experimental studies of tissue regeneration in diverse tissues. The objectives of this study were to evaluate the safety and short-term efficacy of MatriStem for treatment of anal fistulas. This was a retrospective study of patients treated from January 3, 2012 to March 3, 2014 at the University of Pittsburgh Medical Center...
May 2015: American Surgeon
https://www.readbyqxmd.com/read/25319574/esophageal-reinforcement-with-an-extracellular-scaffold-during-total-gastrectomy-for-gastric-cancer
#10
Cheguevara Afaneh, Jonathan Abelson, Mark Schattner, Yelena Y Janjigian, David Ilson, Sam S Yoon, Vivian E Strong
BACKGROUND: Esophagojejunal (EJ) anastomotic leaks after total gastrectomy (TG) for malignancy lead to significant morbidity and mortality, thus affecting long-term survival. Preclinical and clinical trials have shown promise in utilizing degradable extracellular matrix (ECM) scaffolds in buttressing anastomoses. We describe our experience buttressing the EJ anastomosis after TG with a ECM scaffold. METHODS: From February 2012 to January 2014, a total of 37 consecutive patients underwent TG buttressing of the EJ anastomosis with the degradable ECM scaffold composed of a porcine urinary bladder called MatriStem (ACell Inc...
April 2015: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/25119505/biomimetic-randall-s-plaque-as-an-in-vitro-model-system-for-studying-the-role-of-acidic-biopolymers-in-idiopathic-stone-formation
#11
Archana Chidambaram, Douglas Rodriguez, Saeed Khan, Laurie Gower
Randall's plaque (RP) deposits seem to be consistent among the most common type of kidney stone formers, idiopathic calcium oxalate stone formers. This group forms calcium oxalate renal stones without any systemic symptoms, which contributes to the difficulty of understanding and treating this painful and recurring disease. Thus, the development of an in vitro model system to study idiopathic nephrolithiasis, beginning with RP pathogenesis, can help in identifying how plaques and subsequently stones form. One main theory of RP formation is that calcium phosphate deposits initially form in the basement membrane of the thin loops of Henle, which then fuse and spread into the interstitial tissue, and ultimately make their way across the urothelium, where upon exposure to the urine, the mineralized tissue serves as a nidus for overgrowth with calcium oxalate into a stone...
January 2015: Urolithiasis
https://www.readbyqxmd.com/read/24964433/accelerated-healing-of-complex-open-pilonidal-wounds-using-matristem-extracellular-matrix-xenograft-nine-cases
#12
Kent C Sasse, Jared Brandt, Dionne C Lim, Ellen Ackerman
Complex open pilonidal wounds represent a challenging wound healing problem. Nine cases of complex open pilonidal wounds are described. Each of them was treated at the time of primary wide excision with placement of xenograft extracellular matrix material derived from urinary bladder (MatriStem, ACell Corporation). The patients left the xenograft material and dressings intact and returned to our clinic at weekly intervals for inspection of the wounds. All of the cases of complex open pilonidal wounds healed without infection and without requiring re-operation...
2013: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/24527148/the-clinical-effectiveness-in-wound-healing-with-extracellular-matrix-derived-from-porcine-urinary-bladder-matrix-a-case-series-on-severe-chronic-wounds
#13
Howard Kimmel, Michael Rahn, Thomas W Gilbert
A study involving 3 patients was performed to evaluate the efficacy of Matristem, an extracellular matrix scaffold derived from the porcine urinary bladder matrix (UBM), to promote natural healing in patients with severe, chronic wounds that did not respond well to standard wound management. In all cases, the wounds closed after only a few weeks of repeated treatments with UBM, with all patients showing complete epithelialization of the wound with limited formation of scar tissue by 13 weeks after first treatment...
September 2010: Journal of the American College of Certified Wound Specialists
https://www.readbyqxmd.com/read/24191216/salvage-of-failed-local-and-regional-flaps-with-porcine-urinary-bladder-extracellular-matrix-aided-tissue-regeneration
#14
Gregory J Kruper, Zachary P Vandegriend, Ho-Sheng Lin, Giancarlo F Zuliani
Local and regional flap failure can be a major complication in head and neck surgery, which continue to be prevalent for a number of reasons including poor flap design, improper surgical technique, and poor tissue vascularity. Dealing with these failures can be quite difficult. Surgical debridement, flap revisions, and complex wound regimens are necessitated to reestablish appropriate tissue coverage. Traditional use of wet to dry dressing to enable proper wound granulation and possible closure with additional flaps or skin grafts is a laborious process...
2013: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/24045565/urinary-bladder-matrix-for-the-treatment-of-recalcitrant-nonhealing-radiation-wounds
#15
Elizabeth A Rommer, Mirna Peric, Alex Wong
Chronic wounds in previously radiated tissue are challenging to treat. In this article, the authors describe 3 such wounds that failed to heal despite multiple treatments with traditional wound healing methods. Treatment with porcine urinary bladder matrix, an extracellular matrix material, was initiated to facilitate epithelialization and promote wound healing. MatriStem powder (ACell, Inc, Columbia, Maryland), MatriStem (ACell, Inc) sheet, and DuoDerm (ConvaTec, Skillman, New Jersey) were applied biweekly and resulted in complete wound closure within 3 weeks of initial application for all 3 cases...
October 2013: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/23103481/porcine-urinary-bladder-matrix-a-retrospective-study-and-establishment-of-protocol
#16
J Lecheminant, C Field
OBJECTIVE: To summarise our experience with porcine urinary bladder matrix extracellular matrix (UBM) for the treatment of diabetic, venous, ischaemic or decubitus ulcerations and to outline appropriate protocol for its application. METHOD: A retrospective review was also conducted on all patients who received UBM (MatriStem; A Cell, Inc.) from January to December 201 I. Information regarding patient demographics, wound aetiology and location, as well as any prior treatments and follow-up data,were collected and reviewed from patients' medical records...
October 2012: Journal of Wound Care
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