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https://www.readbyqxmd.com/read/28103399/for-whom-does-time-heal-wounds-individual-differences-in-stability-and-change-in-posttraumatic-stress-after-the-2011-oslo-bombing
#1
Marianne Skogbrott Birkeland, Marianne Bang Hansen, Ines Blix, Øivind Solberg, Trond Heir
Prospective studies describing and predicting individual differences in the course of posttraumatic stress symptoms (PTSS) after disasters are scarce. The present study aimed to describe and predict individual differences in both the level and the rate of change in PTSS after the 2011 Oslo bombing, a terrorist attack directed at the Norwegian government. Survey data from ministerial employees (N = 256) were collected 10, 22, and 34 months after the bombing. We used latent growth modeling to examine the development of PTSS, and to identify the strength of predictor variables...
January 19, 2017: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/28103327/isolation-characterization-and-evaluation-of-collagen-from-jellyfish-rhopilema-esculentum-kishinouye-for-use-in-hemostatic-applications
#2
Xiaochen Cheng, Ziyu Shao, Chengbo Li, Lejun Yu, Mazhar Ali Raja, Chenguang Liu
Hemostat has been a crucial focus since human body is unable to control massive blood loss, and collagen proves to be an effective hemostat in previous studies. In this study, collagen was isolated from the mesoglea of jellyfish Rhopilema esculentum Kishinouye and its hemostatic property was studied. The yields of acid-soluble collagen (ASC) and pepsin-soluble (PSC) were 0.12% and 0.28% respectively. The SDS-PAGE patterns indicated that the collagen extracted from jellyfish mesoglea was type I collagen. The lyophilized jellyfish collagen sponges were cross-linked with EDC and interconnected networks in the sponges were revealed by scanning electron microscope (SEM)...
2017: PloS One
https://www.readbyqxmd.com/read/28103165/burn-wound-healing-present-concepts-treatment-strategies-and-future-directions
#3
A Oryan, E Alemzadeh, A Moshiri
Burns are the most extensive forms of soft tissue injuries occasionally resulting in extensive and deep wounds and death. Burns can lead to severe mental and emotional distress, because of excessive scarring and skin contractures. Treatment of burns has always been a difficult medical problem and many different methods have been used to treat such injuries, locally. Biofilms are a collection of microorganisms that delay wound healing. One of the new methods of prevention and treatment of burn wound infections is application of antimicrobials, which act on biofilms and prevent the wound infection...
January 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28103163/the-prevalence-of-biofilms-in-chronic-wounds-a-systematic-review-and-meta-analysis-of-published-data
#4
M Malone, T Bjarnsholt, A J McBain, G A James, P Stoodley, D Leaper, M Tachi, G Schultz, T Swanson, R D Wolcott
The presence of biofilms in chronic non-healing wounds, has been identified through in vitro model and in vivo animal data. However, human chronic wound studies are under-represented and generally report low sample sizes. For this reason we sought to ascertain the prevalence of biofilms in human chronic wounds by undertaking a systematic review and meta-analysis. Our initial search identified 554 studies from the literature databases (Cochrane Library, Embase, Medline). After removal of duplicates, and those not meeting the requirements of inclusion, nine studies involving 185 chronic wounds met the inclusion criteria...
January 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28102936/unbiased-and-quantitative-proteomics-reveals-highly-increased-angiogenesis-induction-by-the-secretome-of-mesenchymal-stromal-cells-isolated-from-fetal-rather-than-adult-skin
#5
Massimiliano Gaetani, Cinzia Maria Chinnici, Anna Paola Carreca, Claudia Di Pasquale, Giandomenico Amico, Pier Giulio Conaldi
Scarless wound healing and functional regeneration are typical processes of the fetus, gradually lost during post-natal life, and maximally attributed to fetal skin tissue and induced by fetal skin fibroblasts. The latter have been successfully applied to post-natal wounds, with clear advantages compared with autologous dermis grafts or adult fibroblast applications. Our goal was to functionally identify and uncover key factors and mechanisms through the analysis of secretomes, the principal players in all cell therapies based on mesenchymal stromal cells (MSCs)...
January 19, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28102713/factors-associated-with-the-status-of-meniscal-tears-following-meniscal-repair-concomitant-with-anterior-cruciate-ligament-reconstruction
#6
Takehiko Matsushita, Kanto Nagai, Daisuke Araki, Toshikazu Tanaka, Tomoyuki Matsumoto, Kotaro Nishida, Masahiro Kurosaka, Ryosuke Kuroda
Purpose Anterior cruciate ligament (ACL) injuries are often accompanied by meniscal tears. Meniscal repair is typically performed during ACL reconstruction. However, retear of the meniscus after repair is frequent. The purpose of this study was to analyze the factors associated with meniscal healing after meniscal repair concomitant with ACL reconstruction. Materials and Methods Eighty-seven meniscal repairs in 87 patients who received meniscal repair combined with ACL reconstruction and received second-look arthroscopy at a mean of postoperatively 15...
January 19, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28102596/delineation-of-ehlers-danlos-syndrome-phenotype-due-to-the-c-934c-t-p-arg312cys-mutation-in-col1a1-report-on-a-three-generation-family-without-cardiovascular-events-and-literature-review
#7
Marina Colombi, Chiara Dordoni, Marina Venturini, Arianna Zanca, Piergiacomo Calzavara-Pinton, Marco Ritelli
Classical Ehlers-Danlos syndrome (cEDS) is a rare connective tissue disorder primarily characterized by hyperextensible skin, defective wound healing, abnormal scars, easy bruising, and generalized joint hypermobility; arterial dissections are rarely observed. Mutations in COL5A1 and COL5A2 encoding type V collagen account for more than 90% of the patients so far characterized. In addition, cEDS phenotype was reported in a small number of patients carrying the c.934C>T mutation in COL1A1 that results in an uncommon substitution of a non-glycine residue in one Gly-Xaa-Yaa repeat of the pro-α1(I)-chain p...
February 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28102361/effectiveness-and-tolerability-of-different-recommended-doses-of-ppis-and-h2ras-in-gerd-network-meta-analysis-and-grade-system
#8
Chao Zhang, Joey S W Kwong, Rui-Xia Yuan, Hao Chen, Chang Xu, Yi-Pin Wang, Gong-Li Yang, Jin-Zhu Yan, Le Peng, Xian-Tao Zeng, Hong Weng, Jie Luo, Yu-Ming Niu
Proton pump inhibitors (PPIs) and histamine-2-receptor antagonists (H2RAs) are used for gastro-esophageal reflux disease (GERD); however, the clinical evidence for treatment is poor. We evaluated the effectiveness and tolerability of different doses of PPIs, H2RAs and placebo in adults with GERD. Six online databases were searched through September 1, 2016. All related articles were included and combined with a Bayesian network meta-analysis from randomized controlled trials (RCTs). The GRADE systems were employed to assess the main outcome...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102341/lasing-in-live-mitotic-and-non-phagocytic-cells-by-efficient-delivery-of-microresonators
#9
Marcel Schubert, Klara Volckaert, Markus Karl, Andrew Morton, Philipp Liehm, Gareth B Miles, Simon J Powis, Malte C Gather
Reliable methods to individually track large numbers of cells in real time are urgently needed to advance our understanding of important biological processes like cancer metastasis, neuronal network development and wound healing. It has recently been suggested to introduce microscopic whispering gallery mode lasers into the cytoplasm of cells and to use their characteristic, size-dependent emission spectrum as optical barcode but so far there is no evidence that this approach is generally applicable. Here, we describe a method that drastically improves intracellular delivery of resonators for several cell types, including mitotic and non-phagocytic cells...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102170/complication-of-a-femoral-fracture-treated-by-intramedullary-nailing-numerical-analysis-of-a-clinical-case
#10
Jakub J Słowiński, Konrad Kudłacik
The aim of this paper is to conduct a numerical analysis of a case of femoral fracture treated by intramedullary nailing and confirm the conditions which led to the formation of a pseudarthrosis at the fracture site. A low-energy femoral fracture was treated by placing a ChFN System intramedullary nail with a derotation pin. Using the finite element method, a bone-implant system was generated which made it possible to observe the displacement area and strains in the region of the fracture gap. The calculations were conducted for 3 variants of the model, using a titanium nail (10 mm and 12 mm) and a steel one (10 mm)...
August 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28102166/stress-fractures-of-tibia-treated-with-ilizarov-external-fixator
#11
Radosław Górski, Sławomir Żarek, Piotr Modzelewski, Ryszard Górski, Paweł Małdyk
BACKGROUND: Stress fractures are the result of cyclic loading of the bone, which gradually becomes damaged. Most often they are treated by rest or plaster cast and, in rare cases, by internal fixation. There is little published data on initial reposition followed by stabilization with the Ilizarov apparatus in such fractures. MATERIAL AND METHODS: Six patients were treated with an external fixator according to the Ilizarov method for a stress fracture of the tibia between 2007 and 2015...
August 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28102162/biomechanical-causes-of-fracture-non-union-after-diaphyseal-forearm-fracture-fixation-an-in-silico-analysis-case-study
#12
Jacek Lorkowski, Tomasz Kuczek, Ireneusz Kotela
: Non-union of forearm bone shaft fractures remains, in some cases, a major clinical problem. The aim of this study was to assess the biomechanical causes of non-union in a patient with diaphyseal forearm fractures fixated with LCP plates. The paper describes the case of a 35-year-old male who developed a non-union as a result of destabilisation of the fixation. The case was analysed with an in silico analysis of the removed fixation device. CONCLUSION: To sum up, we believe that the case described in this paper confirms the limitations to the use of LCP reconstruction plates in patients with well-developed musculature, even in the case of repeat fixation, when good adjustment of the plate well to the axis of the bone appears necessary...
October 28, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28102007/effects-of-diet-restriction-and-diet-complexity-on-life-history-strategies-in-side-blotched-lizards-uta-stansburiana
#13
Heather M Skinner, Andrew M Durso, Lorin A Neuman-Lee, Susan L Durham, Sarah D Mueller, Susannah S French
Organisms must balance energy invested into self-maintenance, reproduction, and somatic growth over their lifetime. In this study, the effects of diet restriction and diet complexity on side-blotched lizards (Uta stansburiana) were analyzed. Thirty male lizards, housed in the laboratory, were fed either an ad libitum or a restricted diet for 18 days (phase 1). Individuals from both treatments were then assigned to a diet of the same quantity of food that was either simple (only crickets) or complex (crickets, cockroaches, waxworms, and mealworms) for 35 days (phase 2)...
November 2016: Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology
https://www.readbyqxmd.com/read/28101869/fibrin-formation-structure-and-properties
#14
John W Weisel, Rustem I Litvinov
Fibrinogen and fibrin are essential for hemostasis and are major factors in thrombosis, wound healing, and several other biological functions and pathological conditions. The X-ray crystallographic structure of major parts of fibrin(ogen), together with computational reconstructions of missing portions and numerous biochemical and biophysical studies, have provided a wealth of data to interpret molecular mechanisms of fibrin formation, its organization, and properties. On cleavage of fibrinopeptides by thrombin, fibrinogen is converted to fibrin monomers, which interact via knobs exposed by fibrinopeptide removal in the central region, with holes always exposed at the ends of the molecules...
2017: Sub-cellular Biochemistry
https://www.readbyqxmd.com/read/28101590/-minimally-invasive-treatment-of-intra-articular-calcaneal-fractures-with-the-2%C3%A2-point-distractor
#15
G Mattiassich, W Litzlbauer, M Ponschab, R Ortmaier, C Rodemund
OBJECTIVE: Open treatment of calcaneus fractures often has an increased risk of wound healing. Minimally invasive treatment with small incisions reduces complications. INDICATIONS: Calcaneal fractures with malalignment/comminution >1-2 mm; broadening, varus alignment of the calcaneal length axis or shortening; emergency surgery for open fractures or compartment syndrome. CONTRAINDICATIONS: Local or general contraindications. SURGICAL TECHNIQUE: Standardised positioning; restoration of length/axis with 2‑point distractor under fluoroscopic control...
January 18, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28101213/osteopontin-improves-adhesion-and-migration-of-human-primary-renal-cortical-epithelial-cells-during-wound-healing
#16
Jinfeng Wu, Zuolin Wang
The aim of the present study was to investigate the effect of osteopontin (OPN) on adhesion and migration in human primary renal cortical epithelial cells during wound healing and Transwell assays. MTT assay was used to examine the cell viability and western blot analysis was used to examine the expression of cytoskeletal proteins and cell adhesion molecules. The results showed that overexpression of OPN had positive effects on the viability, proliferation, adhesion and migration of the human primary renal cortical epithelial cells...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28101200/special-at-rich-dna-binding-protein-1-expression-is-associated-with-liver-cancer-metastasis
#17
Dongmei Wu, Liangtao Zeng, Fanrong Liu, Qingling Zhong, Deyuan Zhang, Chang Cai, Wen Zhang, Liqing Wu, He Chen
To aim of the present study was to investigate the association between special AT-rich DNA-binding protein-1 (SATB1) expression and liver cancer metastasis. SATB1 mRNA and protein expression in hepatocellular carcinoma tissues was analyzed by immunohistochemistry, and in two hepatocellular cancer cell lines, MHCC-97H (high metastatic potential) and HepG2 (low metastatic potential), by reverse transcription-polymerase chain reaction and western blot analysis. Transwell migration and wound-healing assays were also performed to investigate the metastasis of liver cancer following upregulation or silencing of SATB1 expression...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28101161/clinical-effect-of-hydrocolloid-dressings-in-prevention-and-treatment-of-infant-diaper-rash
#18
Xiao-Ping Qiao, Yan-Zhen Ge
The aim of the study was to investigate the application of hydrocolloid dressings in the prevention and treatment of infant diaper rash. A total of 210 infants with diaper rash were included in the study and randomized into 3 groups of 70 infants. Infants in group A received hydrocolloid dressings and individualized nursing; infants in group B received mupirocin plaster and topical application of pearl powder as well as routine nursing; and infants in group C received zinc oxide plaster and routine nursing...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28101021/late-onset-multiple-self-healing-squamous-epithelioma-ferguson-smith-recurrence-induced-by-radiotherapy
#19
Laurence Feldmeyer, Ildiko Szeverényi, Michèle Mandallaz, E Birgit Lane, Daniel Hohl
We report the case of a woman in her 60s with confirmed multiple self-healing squamous epitheliomas (MSSE) Ferguson-Smith. After recurrences following surgery and radiotherapy, the patient was successfully treated with minimal surgical intervention combined with intralesional injections of triamcinolone acetate. The histological comparison between mature and regressed keratoacanthomas (KA) revealed an increased inflammatory infiltrate with numerous plasmacytoid dendritic cells in the regressed KA in comparison to the mature one, speaking in favor of an inflammation-mediated regression process...
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28100942/potential-benefits-of-rib-fracture-fixation-in-patients-with-flail-chest-and-multiple-non-flail-rib-fractures
#20
Meiguang Qiu, Zhanjun Shi, Jun Xiao, Xuming Zhang, Shishui Ling, Hao Ling
The purpose of this study is to evaluate the potential benefits of rib fracture fixation in patients with flail chest and multiple non-flail rib fractures versus conventional treatment modalities. A retrospective reviewed study compared 86 cases which received surgical treatment between June 2009 and May 2013 to 76 cases which received conservative treatment between January 2006 and May 2009. The patients were divided into the flail chest (n = 38) and multiple non-flail rib fracture groups (n = 124)...
December 2016: Indian Journal of Surgery
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