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Xuxin Lim, Matthew Potter, Zhanfeng Cui, Julian F Dye
There are significant challenges for using emulsion templating as a method of manufacturing macro-porous protein scaffolds. Issues include protein denaturation by adsorption at hydrophobic interfaces, emulsion instability, oil droplet and surfactant removal after protein gelation, and compatible cross-linking methods. We investigated an oil-in-water macro-emulsion stabilised with a surfactant blend, as a template for manufacturing protein-based nano-structured bio-intelligent scaffolds (EmDerm) with tuneable micro-scale porosity for tissue regeneration...
June 5, 2018: Journal of Materials Science. Materials in Medicine
K J Mitchell, D De Clercq, M Stirn, G van Loon, C C Schwarzwald
INTRODUCTION: Homocysteine (HCY) is an amino acid produced from methionine metabolism. Plasma homocysteine concentrations ([HCY]p ) are elevated (>13 μmol/L) in people with atrial fibrillation (AF) and can predict the recurrence of AF after cardioversion. This study aimed to validate a commercially available human HCY assay for use in horses to develop reference intervals for [HCY]p and compare [HCY]p in healthy horses and horses with AF. ANIMALS: Healthy horses (n = 27) and horses with AF (n = 55, 34 of which were cardioverted using transvenous electrical cardioversion)...
May 31, 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
Julian Trah, Christina Has, Ingrid Hausser, Heinz Kutzner, Konrad Reinshagen, Ingo Königs
The association of junctional epidermolysis bullosa with pyloric atresia (JEB-PA) and aplasia cutis congenita (ACC) was described by El Shafie et al. (J Pediatr Surg 14(4):446-449, 1979) and Carmi et al. (Am J Med Genet 11:319-328, 1982). Most patients die in the first weeks of life, and no curative treatment options are available so far. We describe a patient with JEB-PA and ACC (OMIM # 226730) who was treated for extensive areas of ACC by Integra® -Dermal Regeneration Template and split-thickness skin grafting (STSG)...
May 18, 2018: Dermatology and Therapy
Yini Cao, Ying Zhang, Chuanxin Ma, Haimei Li, Jianfeng Zhang, Guangcai Chen
Selecting plant species, especially woody species, that can tolerate and accumulate high levels of heavy metals is crucial for the purpose of phytoremediation. In the present study, seven willow species/clones were evaluated for their variations in copper (Cu) tolerance, Cu accumulation, and their relative physiological responses, when exposed to different doses of Cu (control, 15, and 120 μM) in a hydroponic system for 40 days. Upon Cu exposure, all tested willow species/clones (Salix, S.) remained relative normal growth, albeit with some visual evidence of Cu toxicity observed...
May 8, 2018: Environmental Science and Pollution Research International
Luiz Carlos do Carmo Filho, Fernanda Faot, Marina de Matos Madruga, Raissa Micaella Marcello-Machado, Dimorvan Bordin, Altair Antoninha Del Bel Cury
OBJECTIVES: This randomized split-mouth clinical trial investigated the influence of implant macrogeometry on bone properties and peri-implant health parameters during the healing process. MATERIAL AND METHODS: Ninety-nine implants were placed bilaterally in posterior mandibles of 23 patients that received at least four dental implant macrogeometries: standard geometry, Integra (IN) and three geometries inducing "healing chamber": Duo (D), Compact (C), and Infra (IF)...
May 3, 2018: Clinical Oral Investigations
Xianghong Lou, Hang Xue, Gongchi Li, Kun Wang, Pan Zhou, Binghui Li, Jianghai Chen
Dermal regeneration template, such as Integra and Pelnac, was originally designed for treating large area burn injury by inducing regeneration of dermis. To date, it has been widely applied in various acute and chronic wound sites. The present study demonstrated that application of artificial dermis alone induced 1-stage wound healing for wounds with bone or tendon exposure that should usually be repaired by flap surgery. Eight patients who presented with skin defects with bone and/or tendon exposure were treated by 1-stage Pelnac approach...
March 2018: Plastic and Reconstructive Surgery. Global Open
Joo-Young Na
Glycated hemoglobin (HbA1c) is a good marker for monitoring glycemic control, and an elevated postmortem blood HbA1c level might indicate poor glycemic control during the antemortem period. The HbA1c level can be measured as a point-of-care (POC) test. In forensic medicine, POC testing is useful for performing autopsies and postmortem inspections since POC testing is both rapid and efficient. This study evaluated HbA1c levels in the capillary and cardiac venous blood of postmortem specimens as well as the usefulness of evaluating HbA1c levels as POC testing in postmortem examinations...
April 25, 2018: Forensic Science, Medicine, and Pathology
Patrick M Smith, John R Paterson, Glenn A Brock
A new assemblage containing twenty-two species of trilobites and agnostids is described from the Goyder Formation (Cambrian Series 3) in the Ross River Syncline and Gardiner Ranges of the Amadeus Basin, Northern Territory, central Australia. New trilobite taxa described include the genus, Trephina gen. nov., and four new species Adelogonus prichardi sp. nov., Hebeia stewarti sp. nov., Liostracina joyceae sp. nov., and Trephina ranfordi sp. nov. Two agnostid taxa previously known only from Antarctica, Ammagnostus antarcticus Bentley, Jago Cooper, 2009 and Hadragnostus helixensis Jago Cooper, 2005, are also documented...
March 18, 2018: Zootaxa
Ninh B Doan, Mohit Patel, Ha Son Nguyen, Hayley Doan, Andrew Montoure, Saman Shabani, Michael Gelsomino, Karl Janich
Chronic subdural hematoma (CSDH) is a relatively common condition encountered in a neurosurgical practice. There have been increased efforts in creating different treatment regimens for CSDH to improve patients' outcomes, including the addition of tissue plasminogen activator (tPA) in drains to reduce recurrences. Here, we present the first case report of the safe use of tPA in conjunction with an Integra Camino bolt for maximized drainage of CSDH with a successful neurological recovery and the complete resolution of the hematoma...
April 2018: Asian Journal of Neurosurgery
Ninh B Doan, Ha Nguyen, Karl Janich, Andrew Montoure, Patel Mohit, Saman Shabani, Michael Gelsomino, Wade M Mueller, Shekar Kurpad
Chronic subdural hematoma (cSDH) is a common neurosurgical pathology associated with older age and complicated by antiplatelet/anticoagulant therapies. With improving medical care in an aging population, the incidence of cSDH will likely increase over the next 25 years, placing a burden on health care costs. Consequently, a simple and inexpensive treatment option is desirable. As such, we report a basic, but novel, technique to drain cSDH with an Integra Camino bolt. This technique was employed in two patients, where the significant resolution of cSDH and associated clinical symptoms were observed without complications...
April 2018: Asian Journal of Neurosurgery
Amina Tahar, Faiza Zerdoumi, Messaoud Saidani, Lakhdar Griene, Elhadj-Ahmed Koceir
The 1-25-hydroxyvitamine D (1-25OHD) or calcitriol deficiency in chronic kidney disease (CKD) patients was associated with increases vascular calcification risk, nephrons reduction, bone deficit and cardiovascular mortality by atherosclerosis. The objective of this study was to investigate the pleiotropic effects of 200.000 IU (D200 group) every 3 months versus 30.000 IU (D30 group) every month dose vitamin D supplementation in stage 3 CKD patients. A cohort of 132 adult subjects was randomized into 2 groups according to dose vitamin D supplementation in deficient subjects (25OHD <50 nmol/L or <20 ng/mL)...
June 1, 2018: Annales de Biologie Clinique
Jacob T Carlson, James C Yuen, Matthew R Smeds
Animal bites are fairly rare events but can cause devastating traumatic injuries to the victim. In addition to the soft tissue, vascular, and orthopedic trauma inflicted by these occurrences, bite injuries also have the potential to introduce an inoculum of microbes, which may progress to an infection if not treated properly and expeditiously. We present the case of a healthy male who sustained multiple bite wounds from a domestic zebra to his left upper extremity. This attack caused severe damage, including devascularization of the arm at the brachial artery, disruption of the distal biceps and brachialis, stripping of the forearm nerves, and shearing of the overlying soft tissue...
June 2017: Trauma Case Reports
Briar L Dent, Anant Dinesh, Khuram Khan, Ryan Engdahl
Scrotal loss from Fournier's gangrene can be a devastating injury with esthetic and functional consequences. Local reconstructive options can be limited by the presence of infection or the loss of neighboring tissue from debridement. IntegraTM bilayer matrix wound dressing is a well-established reconstructive modality, but only one report exists of its use in scrotal reconstruction and this was not in the setting of Fournier's gangrene. We report the successful use of Integra and a subsequent split-thickness skin graft for reconstruction of the anterior scrotum and coverage of the exposed testes in a 43-year-old man who developed Group A Streptococcus necrotizing fasciitis of his right lower extremity, groin, and scrotum requiring serial operative debridements...
January 2018: Journal of Emergencies, Trauma, and Shock
Barbara De Angelis, Fabrizio Orlandi, Margarida Fernandes Lopes Morais D'Autilio, Maria G Scioli, Augusto Orlandi, Valerio Cervelli, Pietro Gentile
Double layer dermal substitute (DS) consist of a 3-dimensional collagen structures and a superficial silicon layer that are positioned within the defect provide to promote tissue regeneration in skin wounds. DS often have unique physical characteristics due to differences in manufacturing techniques. The aim of this study is the clinical and histological comparison of Nevelia and Integra double layer DSs in patients with post-traumatic injury wounds. Thirty patients with post-traumatic wounds localised on the inferior limbs were randomised in 2 groups Nevelia or Integra, followed by autologous dermal epidermal graft (DEG)...
March 28, 2018: International Wound Journal
Vilas Saldanha, Nathan Tiedeken, Brandon Godfrey, Nichole Ingalls
Background: Since the start of the conflict in the Middle East in 2001, military orthopedic surgeons have faced complex orthopedic injuries including high-energy soft tissue wounds, traumatic amputations, and open fractures. Although orthopedic surgeons are well trained in the management of osseous injuries, the treatment of soft tissue injuries can be technically challenging and unfamiliar. Early washout, debridement of devitalized tissue, external fixation of bony injuries, and antibiotic therapy remain the foundation of early wound management...
March 26, 2018: Military Medicine
M E Brinkhorst, R W Selles, J J Dias, H P Singh, R Feitz, T M Moojen, S E R Hovius
Background/Purpose  Many treatment options are available for wrist osteoarthritis, with the objective of decreasing pain and preserving function. In later stages when midcarpal and radiocarpal osteoarthritis occur, two choices remain: total wrist arthrodesis or total wrist arthroplasty. The purpose of this study is to present the short-term functional changes following total wrist arthroplasty with the Universal 2 total wrist system (Integra Life Sciences) in patients with noninflammatory wrist osteoarthritis...
April 2018: Journal of Wrist Surgery
Yu S Vinnik, R A Pakhomova, L V Kochetova, E A Voronova, V V Kozlov, A K Kirichenko
AIM: To develop predictive model for hepatic insufficiency in obstructive jaundice. MATERIAL AND METHODS: Obstructive jaundice was modeled by the author's method on 48 mini pigs, while morpho-functional features of erythrocytes were studied by using of INTEGRA Aura atomic force microscope (NT-MDT, Zelenograd, Russia). Histological specimens were stained with hematoxylin and eosin. Discriminant analysis was used to create predictive model for hepatic insufficiency...
2018: Khirurgiia
Toshihiko Wakabayashi, Atsushi Natsume, Junki Mizusawa, Hiroshi Katayama, Haruhiko Fukuda, Minako Sumi, Ryo Nishikawa, Yoshitaka Narita, Yoshihiro Muragaki, Takashi Maruyama, Tamio Ito, Takaaki Beppu, Hideo Nakamura, Takamasa Kayama, Shinya Sato, Motoo Nagane, Kazuhiko Mishima, Yoko Nakasu, Kaoru Kurisu, Fumiyuki Yamasaki, Kazuhiko Sugiyama, Takanori Onishi, Yasuo Iwadate, Mizuhiko Terasaki, Hiroyuki Kobayashi, Akira Matsumura, Eiichi Ishikawa, Hikaru Sasaki, Akitake Mukasa, Takayuki Matsuo, Hirofumi Hirano, Toshihiro Kumabe, Nobusada Shinoura, Naoya Hashimoto, Tomokazu Aoki, Akio Asai, Tatsuya Abe, Atsuo Yoshino, Yoshiki Arakawa, Kenichiro Asano, Koji Yoshimoto, Soichiro Shibui
PURPOSE: This study explored the superiority of temozolomide (TMZ) + interferonβ (IFNβ) to standard TMZ as treatment for newly diagnosed glioblastoma (GBM) via randomized phase II screening design. EXPERIMENTAL DESIGN: Eligibility criteria included histologically proven GBM, with 50% of the tumor located in supratentorial areas, without involvement of the optic, olfactory nerves, and pituitary gland and without multiple lesions and dissemination. Patients in the TMZ + radiotherapy (RT) arm received RT (2...
March 20, 2018: Journal of Neuro-oncology
Thomas Später, Florian S Frueh, Philipp Karschnia, Michael D Menger, Matthias W Laschke
Dermal substitutes are frequently used for the initial coverage of extensive skin defects. The seeding of these implants with adipose tissue-derived microvascular fragments (ad-MVF) has recently been shown to accelerate their vascularization and incorporation. In the present study we analyzed whether these processes are affected by a thromboprophylactic therapy with the low molecular weight heparin (LMWH) enoxaparin (enox). Green fluorescent protein (GFP)+ ad-MVF were isolated from enox- (8 mg/kg s.c.) and vehicle-treated (0...
January 2018: Wound Repair and Regeneration
A Portincasa, E M C Trecca, F Ciancio, L Annacontini, P Bufo, F Fortunato, L Cecchino, D Parisi, M Cassano
Skin and soft tissue reconstruction represents one of the most debated issues of plastic surgery. The advent of regenerative medicine has shown new pathways with the use of lipofilling and dermal regeneration templates. The aim of this study was to investigate the histological and clinical modifications occurring after lipofilling in the areas previously reconstructed with Integra® and an autologous thin dermal-epidermal graft. Histological and immunohistochemical analysis were performed on nine patients to compare skin before and after lipofilling...
January 2018: Journal of Biological Regulators and Homeostatic Agents
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