glucosamine/hemorrhage

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Glucosamine administration improves survival rate after severe hemorrhagic shock combined with trauma in rats.

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We have previously shown that glucosamine administration resulted in higher cardiac output and improved tissue perfusion after trauma-hemorrhage with resuscitation in rats, which was associated with the increased levels of protein O-linked-N-acetylglucosamine (O-GlcNAc). The purpose of the study was

Comparison of poly-N-acetyl glucosamine with commercially available topical hemostats for achieving hemostasis in coagulopathic models of splenic hemorrhage.

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BACKGROUND The hemostatic quality of the poly-N-acetyl glucosamine (p-GlcNAc) patch was compared with a fibrin sealant, fibrin bandage, and cellulose patch. METHODS A 2 x 2-cm capsular strip to a depth of 3 mm of the swine spleen was used as a source of bleeding. Splenic lacerations were created in

Dependence of the C-6 sulfate of the glucosamine moiety and 1----4 glycosidic linkage of heparin disaccharides for production of hemorrhage: reversal of the antihemostatic activity of heparin and their fragments by adenosine triphosphate and myosin.

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Topical application or intraperitoneal injection of heparin and heparin oligosaccharides produces a potent inhibition of skin hemostasis. Studies conducted with disaccharides derived from heparin, heparan sulfate, and chondroitin sulfates have shown that delta-4,5-uronyl-(1----4)-glucosamine,

Endoscopic injection of bleeding esophageal varices with a poly-N-acetyl glucosamine gel formulation in the canine portal hypertension model.

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BACKGROUND It has been shown that poly-N-acetyl glucosamine produces rapid hemostasis by stimulating erythrocyte aggregation. Endoscopic injection of this substance may be effective in the treatment of bleeding varices. METHODS In eight heparinized dogs with a bleeding esophageal varix greater than

Glucosamine administration during resuscitation improves organ function after trauma hemorrhage.

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Stress-induced hyperglycemia is necessary for maximal rates of survival after severe hemorrhage; however, the responsible mechanisms are not clear. One consequence of hyperglycemia is an increase in hexosamine biosynthesis, which leads to increases in levels of O-linked attachment of

Glucosamine improves cardiac function following trauma-hemorrhage by increased protein O-GlcNAcylation and attenuation of NF-{kappa}B signaling.

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We have previously demonstrated that in a rat model of trauma-hemorrhage (T-H), glucosamine administration during resuscitation improved cardiac function, reduced circulating levels of inflammatory cytokines, and increased tissue levels of O-linked N-acetylglucosamine (O-GlcNAc) on proteins. The

Comparison of poly-N-acetyl glucosamine (P-GlcNAc) with absorbable collagen (Actifoam), and fibrin sealant (Bolheal) for achieving hemostasis in a swine model of splenic hemorrhage.

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OBJECTIVE To compare the hemostatic capabilities of poly-Nacetylglucosamine (p-GlcNAc) with three currently available products: Actifoam, Surgicel, and Bolheal fibrin glue. This study was conducted in a controlled animal model, with monitoring of hematologic parameters over the course of the study.

Application of the poly-N-acetyl glucosamine-derived rapid deployment hemostat trauma dressing in severe/lethal Swine hemorrhage trauma models.

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BACKGROUND The Rapid Deployment Hemostat (RDH) Bandage was developed for the rapid control of bleeding caused by trauma. METHODS An extremity wound involving skin, muscle, bone, and femoral arterial injury and a 1-cm vertical incision in the abdominal aorta in swine were studied to compare the RDH

Glucosamine plus vitamin K antagonists: bleeding. One more reason to avoid using glucosamine.

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Does poly-N-acetyl glucosamine patch use reduce arteriovenous fistula and graft failure rates in hemodialysis patients with end-stage renal disease?

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BACKGROUND Maintenance of functional vascular access is crucial for the delivery of hemodialysis. The SyvekPatch is a topical marine microalgal poly-N-acetyl glucosamine hemostat approved by the Food and Drug Administration for use in the local management of bleeding wounds, such as vascular site,

Poly-N-acetyl glucosamine fibers are synergistic with vacuum-assisted closure in augmenting the healing response of diabetic mice.

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BACKGROUND Vacuum-assisted closure (VAC) has become the preferred modality to treat many complex wounds but could be further improved by methods that minimize bleeding and facilitate wound epithelialization. Short fiber poly-N-acetyl glucosamine nanofibers (sNAG) are effective hemostatic agents that

Randomized double-blind studies of polysaccharide gel compared with glue and other agents for hemostasis of large veins and bleeding canine esophageal or gastric varices.

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BACKGROUND The safety and efficacy of poly-N-acetyl glucosamine (p-GlcNAc) gels were compared with standard agents in three different dog studies to assess abdominal venous collaterals, bleeding esophageal varices, and bleeding gastric varices. METHODS Adult dogs with prehepatic portal hypertension

Advanced hemostatic dressing development program: animal model selection criteria and results of a study of nine hemostatic dressings in a model of severe large venous hemorrhage and hepatic injury in Swine.

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BACKGROUND An advanced hemostatic dressing is needed to augment current methods for the control of life-threatening hemorrhage. A systematic approach to the study of dressings is described. We studied the effects of nine hemostatic dressings on blood loss using a model of severe venous hemorrhage

Comparison of structural and hemostatic properties of the poly-N-acetyl glucosamine Syvek Patch with products containing chitosan.

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Polysaccharides are becoming increasingly developed as therapeutics and medical products, as the new field of Glycomics expands. Glycosaminoglycans that contain N-acetyl glucosamine constituents have been the focus of research leading to medical devices. A new hemostatic bandage, the Syvek Patch,

Modulation of proline and glucosamine incorporation into tissue repair cells by peritoneal macrophages.

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The purpose of this study was to determine the patterns of [14C]proline and [14C]glucosamine incorporation by tissue repair cells (TRC) as modulated by postsurgical macrophages. Rabbits underwent a midline laparotomy followed by resection (2.0 cm) and reanastomosis of their ileum. Another group of

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