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Letteratura scientifica selezionata sul tema "Wounds and injuries Microbiology"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 28 gennaio 2023

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Articoli di riviste sul tema "Wounds and injuries Microbiology"

1

Jha, Shilpa, Wasim S. Khan e Nashat A. Siddiqui. "Mammalian Bite Injuries to the Hand and Their Management". Open Orthopaedics Journal 8, n. 1 (27 giugno 2014): 194–98. http://dx.doi.org/10.2174/1874325001408010194.

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Bite wounds are a common form of hand injury with the potential to lead to severe local and systemic sequelae and permanent functional impairment. Mammalian bite wounds may be caused by a variety of animal class and species; injuries resulting from dogs, cats and humans are the most widely discussed and reported in the literature. Bite wounds may be contaminated with aggressive pathogens and the anatomical vulnerability of structures within the hand means that without early recognition and treatment with irrigation and antibiotics, alongside a low index of suspicion for deep structural involvement requiring formal surgical exploration and washout, the consequences of such injuries can be disastrous. We review the literature and discuss the epidemiology, pathophysiology and microbiology relating to these injuries, as well as clinical aspects including signs, symptoms, and management.

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2

Zaporozhan, S. Y., D. B. Fira e O. V. Pokryshko. "ANTIBACTERIAL THERAPY FOR PATIENTS WITH BURN INJURIES". International Journal of Medicine and Medical Research 8, n. 1 (5 settembre 2022): 18–24. http://dx.doi.org/10.11603/ijmmr.2413-6077.2022.1.13098.

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Background. Treatment of burn wound infection is an urgent issue of contemporary medicine, including surgery, combustiology and microbiology. It is established that infectious complications are a challenge for burn patients. In the course of wound reparation, infectious complications may worsen. Along with surgical treatment, mechanical removal of pathogens from burn wounds is also important as well as antimicrobials for patients with severe burns. Objective. The aim of the study was to define the most common pathogens of purulent-inflammatory complications of burn wounds and their susceptibility to antibiotics. Methods. The study involved patients treated at the Center of Thermal Trauma and Plastic Surgery of Lviv I-Territorial Medical Association, the unit of St. Luke Hospital of Lviv. Collection of material from wound secretions of burn wounds was performed with sterile swab. The study was performed before prescription of antibiotics, at the end of the first and second weeks of the disease. The pathogens were isolated and identified. Antibiotic susceptibility was studied using standard research methods. The obtained results were analyzed by means of the software package of the microbiological monitoring system WHONET 5.2 (WHO Collaborating Centre for Surveillance of Antimicrobial Resistance) and the program Microsoft Office Excel 2007. Results. The study of smears from burn wounds proved that 240 strains of gram-positive and gram-negative microorganisms that caused purulent-inflammatory processes were isolated. Among the selected causative agents of a burn wound complicated by a purulent-inflammatory process, gram-negative bacteria predominated (60.8% of all detected microorganisms). Gram-positive flora of S. epidermidis and S. aureus were more common in the wound surface during the first week of the disease. In most patients with severe burns, bacterial associations were isolated from the wound surface (66.3%) in two and three weeks, and in three weeks Candida spp. were isolated. Non-fermenting rods A. baumannii and P. aeruginosa dominated among the gram-negative flora isolated from the wound surface of burns. The analysis of susceptibility of microorganisms isolated from patients with burns to antibiotics showed that almost all of the cultures were polyresistant. Conclusions. Gram-negative microorganisms, strains of non-fermenting bacteria predominated among the pathogens isolated from burn wounds complicated by purulent inflammation; Staphylococcus aureus prevailed among the gram-positive ones. The most significant clinical strains were highly polyresistant to antibiotics.

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3

Langford, Jane H., Phillip Artemi e Shalom I. Benrimoj. "Topical Antimicrobial Prophylaxis in Minor Wounds". Annals of Pharmacotherapy 31, n. 5 (maggio 1997): 559–63. http://dx.doi.org/10.1177/106002809703100506.

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OBJECTIVE: To evaluate the ability of a novel topical antimicrobial gel containing cetrimide, bacitracin, and polymyxin B sulfate to prevent infections of minor wounds. DESIGN: A clinical trial compared the test preparation with placebo and a povidone iodine antiseptic cream. SETTING: Five primary schools in Sydney, Australia, participated in the study over a 6-week spring/summer school term. SUBJECTS: Children aged 5–12 years with parental consent were eligible for study participation. Accidental injuries occurring at school were treated in a standardized manner by nurses at each site. OUTCOME MEASURES: Wounds were evaluated by the medical practitioner after 3 days of topical treatment. The clinical outcome was classified as resolution or suspected infection. If a clinical infection was suspected, the injury was swabbed for microbiologic evaluation. Growth of a dominant microorganism was classified as a microbiologic infection. RESULTS: Of the 177 injuries treated, there were nine clinical infections. A comparison of these showed a significant difference among treatment groups (p < 0.05). This difference was associated with the test preparation and placebo; the test preparation reduced the incidence of clinical infection from 12.5% to 1.6% (p < 0.05; 95% CI, 0.011 to 0.207). A comparison of microbiologic infections showed no significant differences among treatment groups (p > 0.05). CONCLUSIONS: The novel gel preparation containing cetrimide, bacitracin, and polymyxin B sulfate showed therapeutic action and reduced the incidence of clinical infections in minor accidental wounds. It may be a suitable product for first aid prophylaxis.

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Rodrigues, Adrian E., David Dolivo, Yingxing Li, Chun Hou, Lauren Sun, Thomas A. Mustoe, Seok Jong Hong e Robert D. Galiano. "Thermal Burn Wounds Produce Greater Scars Compared to Similarly Sized Excisional Wounds And Topical Amiloride Applied to Burn-Induced Scars Shows Scar Reduction". SKIN The Journal of Cutaneous Medicine 6, n. 5 (12 settembre 2022): 374–83. http://dx.doi.org/10.25251/skin.6.5.3.

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Background: Victims of severe traumatic injuries such as large surface area lacerations and thermal burns require substantial medical care that primarily promotes healing. And although this care is essential, there is a lack of pharmacological treatments that reduce the resulting scars, consequently leaving many traumatic victims with profusely disfigured skin. Methods: A rabbit-ear injury model was used to compare scar progression in adjacently paired contact thermal burns (n=24) and excisional wounds (n=16). Once that model revealed significant differences in scar hypertrophy between these two types of injuries, a succeeding study involved solely inducing burns, with the resulting wounds undergoing scar elevation index (SEI) and gene expression analysis after unilateral topical treatment with either amiloride (n=12), celecoxib (n=11) or contralateral vehicle control (n=10 for each of the two control groups). Results: In the initial burn and excisional wound comparison study, thermal burns showed significantly larger scars, both in scar height measured at four timepoints (P<0.0001, <0.01, <0.05, and <0.05) and histologically by analyzing the SEI (P<0.05). In the succeeding project, burn-induced scars treated with amiloride also demonstrated a significantly reduced histological SEI (P<0.05) compared to scars receiving vehicle control. However, relative PTGS2, ACTA2 and COL1A1 expression was not significantly different in scar tissues treated with amiloride compared to those receiving vehicle control. Also, no significant differences in SEI were determined in scars treated with celecoxib compared to vehicle control Conclusions: Contact thermal burn injuries create profusive hypertrophic scars compared to similarly sized excisional wounds. Topical application of amiloride to burn-induced scars reduce scar formation, yet this finding necessitates further studies to comprehend the mechanism behind its scar-reducing effect.

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Shaprynskyi, V. O., A. V. Verba, Y. V. Shaprynskyi, O. O. Fomin e N. S. Fomina. "SPECIFIC ASPECTS IN TREATMENT OF SUPPURATIVE-INFLAMMATORY COMPLICATIONS IN GUNSHOT WOUNDS OF EXTREMITIES". Kharkiv Surgical School, n. 2 (20 giugno 2021): 121–27. http://dx.doi.org/10.37699/2308-7005.2.2021.22.

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Summary. The aim of the study was to present an argument for treatment algorithm of patients with extremity gunshot injuries complicated by suppurative inflammation. Materials and research methods. Examination and treatment of 163 patients with gunshot wounds of the extremities were performed. All the wounded were divided into 3 study groups. The patients of group 1 underwent conventional treatment of gunshot wounds. In group 2, negative pressure wound therapy was used. Wounded patients of group 3 received vacuum-assisted therapy supplemented by the proposed scheme of counter-drainage and flow-through flushing irrigation of wounds with antiseptic solutions of 0.02 % decamethoxine and 3 % hydrogen peroxide. Bacteriological study of wound exudate was carried out, and sensitivity of microorganisms to antibiotics was determined. Results and its discussion. Wound microbiology analysis in victims of blast and mine-blast injuries demonstrated predominance of gram-negative bacteria in wound microbiocenosis — Acinetobacter spp. (53 % of cases) and Pseudomonas spp. (15 % of cases). Gram-positive cocci were isolated in 22.2 % of cases. Sensitivity study of nonfermentative gram-negative rods demonstrated them to have high level of resistance to most antibacterial agents. All strains of Acinetobacter and Pseudomonas spp. were sensitive to polymyxin B and colistin but resistant to inhibitor-protected and -unprotected amino penicillin. Beneficial effect of vacuum therapy in patients of groups 2 and 3 was evidenced by significantly reduced time of wound healing and hospital stay. The use of suggested mixture of antiseptics resulted in decrease of inflammation in 94.45 % and 88.89 % of patients in groups 3 and 2, respectively. Besides, in group 3, duration of hydration phase in wound healing process decreased to 5.7 days. The period of complete wound healing was shorter by 2.5 days, and hospital stay decreased from 14.97 to 10.8 days. Conclusions. Thus, predominance of gram-negative microorganisms in gunshot wounds as well as their high resistance to antibiotics should be considered when undertaking empirical antibiotic therapy in wounded patients. The proposed treatment algorithm involving negative pressure wound therapy supplemented with counter-drainage and flow-through flushing irrigation with a mixture of suggested antiseptics proved to be highly efficient in patients with extremity gunshot injuries complicated by suppurative inflammation.

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6

Kontogiorgi, Marina, Ioannis Floros, Apostolos Koroneos, Chrysanthi Vamvouka, Olga Paniara, Charis Roussos e Christina Routsi. "Fatal post-traumatic zygomycosis in an immunocompetent young patient". Journal of Medical Microbiology 56, n. 9 (1 settembre 2007): 1243–45. http://dx.doi.org/10.1099/jmm.0.46993-0.

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Zygomycosis, a relatively uncommon infection, usually occurs among immunocompromised individuals. It has been reported only rarely in trauma patients. A fatal case is reported of pulmonary and rapidly progressive cutaneous zygomycosis in a young, otherwise healthy farmer, with multiple bone fractures, wounds and soft tissue injuries after an accident with an agricultural machine in the field. Rhizopus spp. was isolated from both cultures of bronchial washings and wound samples. The diagnosis was confirmed by histopathological examination of tissue specimens from a large wound. Despite systemic antifungal therapy and surgical debridement, the patient's condition deteriorated and he died from refractory septic shock.

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SAHLI, Z. T., A. R. BIZRI e G. S. ABU-SITTAH. "Microbiology and risk factors associated with war-related wound infections in the Middle East". Epidemiology and Infection 144, n. 13 (2 marzo 2016): 2848–57. http://dx.doi.org/10.1017/s0950268816000431.

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SUMMARYThe Middle East region is plagued with repeated armed conflicts that affect both civilians and soldiers. Injuries sustained during war are common and frequently associated with multiple life-threatening complications. Wound infections are major consequences of these war injuries. The microbiology of war-related wound infections is variable with predominance of Gram-negative bacteria in later stages. The emergence of antimicrobial resistance among isolates affecting war-related wound injuries is a serious problem with major regional and global implications. Factors responsible for the increase in multidrug-resistant pathogens include timing and type of surgical management, wide use of antimicrobial drugs, and the presence of metallic or organic fragments in the wound. Nosocomial transmission is the most important factor in the spread of multidrug-resistant pathogens. Wound management of war-related injuries merits a multidisciplinary approach. This review aims to describe the microbiology of war-related wound infections and factors affecting their incidence from conflict areas in Iraq, Syria, Israel, and Lebanon.

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Fan, Youfen, Yanyan Pan, Cui Chen, Shengyong Cui, Jiliang Li, Guoying Jin, Neng Huang e Sida Xu. "Use of Composite Acellular Dermal Matrix-Ultrathin Split-Thickness Skin in Hand Hot-Crush Injuries: A One-Step Grafting Procedure". BioMed Research International 2022 (21 luglio 2022): 1–12. http://dx.doi.org/10.1155/2022/1569084.

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Background. Hot-crush injuries to the hands can be devastating, and early debridement and coverage with skin autograft remains the golden standard of wound treatment. However, this type of treatment is not feasible or unlikely to succeed due to limited donor sites and wound characteristics of hot-crush injuries on hands. Thus, the composite grafting of acellular dermal matrix (ADM) and split-thickness skin graft (STSG) as a novel alternative method has been attempted. In this series, the results are presented to demonstrate the feasibility and effectiveness of the use of one-stage procedure for early reconstruction in hand hot-crush injuries. Methods. All consecutive patients with hand hot-crush injuries, who underwent one-stage procedure of ADM and ultrathin STSG for soft tissue coverage at our institution from December 2018 to November 2019, were retrospectively analyzed. Wound dressings were opened on 7 days after operation to examine graft survival and complications. Patients were followed up for at least 9 months to evaluate their hand profiles. Results. Samples of 14 patients with a total of 23 wounds were involved in the study. Thirteen of the 23 third–fourth-degree wounds had varying degrees of tendon exposure. On 7 days postoperation, the composite grafts survived in 12 patients with minimal focal graft losses and liquefaction and necrosis in 2 patients, which achieved successful healing following new coverage of ultrathin STSG. All the wounds healed with hospital stays ranging from 9 days to 32 days (median: 24.5 days). At the final follow-up (from 9 months to 20 months), all patients achieved excellent or good total active motion grade and good scar quality (Vancouver scar scale scored 1–3) with no revision surgery. Conclusions. One-stage composite grafting of ADM and ultrathin STSG is a reliable alternative for early reconstruction in hand hot-crush injuries, which delivers good functional outcomes and a good cosmetic appearance.

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Frank, Erik T., Marten Wehrhahn e K. Eduard Linsenmair. "Wound treatment and selective help in a termite-hunting ant". Proceedings of the Royal Society B: Biological Sciences 285, n. 1872 (14 febbraio 2018): 20172457. http://dx.doi.org/10.1098/rspb.2017.2457.

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Open wounds are a major health risk in animals, with species prone to injuries likely developing means to reduce these risks. We therefore analysed the behavioural response towards open wounds on the social and individual level in the termite group-hunting ant Megaponera analis . During termite raids, some ants get injured by termite soldiers (biting off extremities), after the fight injured ants get carried back to the nest by nest-mates. We observed treatment of the injury by nest-mates inside the nest through intense allogrooming at the wound. Lack of treatment increased mortality from 10% to 80% within 24 h, most likely due to infections. Wound clotting occurred extraordinarily fast in untreated injured individuals, within 10 min. Furthermore, heavily injured ants (loss of five extremities) were not rescued or treated; this was regulated not by the helper but by the unresponsiveness of the injured ant. Interestingly, lightly injured ants behaved ‘more injured’ near nest-mates. We show organized social wound treatment in insects through a multifaceted help system focused on injured individuals. This was not only limited to selective rescuing of lightly injured individuals by carrying them back (thus reducing predation risk), but, moreover, included a differentiated treatment inside the nest.

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Warkentien, Tyler E., Faraz Shaikh, Amy C. Weintrob, Carlos J. Rodriguez, Clinton K. Murray, Bradley A. Lloyd, Anuradha Ganesan, Deepak Aggarwal, M. Leigh Carson e David R. Tribble. "Impact of Mucorales and Other Invasive Molds on Clinical Outcomes of Polymicrobial Traumatic Wound Infections". Journal of Clinical Microbiology 53, n. 7 (13 maggio 2015): 2262–70. http://dx.doi.org/10.1128/jcm.00835-15.

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Combat trauma wounds with invasive fungal infections (IFIs) are often polymicrobial with fungal and bacterial growth, but the impact of the wound microbiology on clinical outcomes is uncertain. Our objectives were to compare the microbiological features between IFI and non-IFI wounds and evaluate whether clinical outcomes differed among IFI wounds based upon mold type. Data from U.S. military personnel injured in Afghanistan with IFI wounds were examined. Controls were matched by the pattern/severity of injury, including blood transfusion requirements. Wound closure timing was compared between IFI and non-IFI control wounds (with/without bacterial infections). IFI wound closure was also assessed according to mold species isolation. Eighty-two IFI wounds and 136 non-IFI wounds (63 with skin and soft tissue infections [SSTIs] and 73 without) were examined. The time to wound closure was longer for the IFI wounds (median, 16 days) than for the non-IFI controls with/without SSTIs (medians, 12 and 9 days, respectively;P< 0.001). The growth of multidrug-resistant Gram-negative rods was reported among 35% and 41% of the IFI and non-IFI wounds with SSTIs, respectively. Among the IFI wounds, times to wound closure were significantly longer for wounds withMucoralesgrowth than for wounds with non-Mucoralesgrowth (median, 17 days versus 13 days;P< 0.01). When wounds withMucoralesandAspergillusspp. growth were compared, there was no significant difference in wound closure timing. Trauma wounds with SSTIs were often polymicrobial, yet the presence of invasive molds (predominant types: orderMucorales,Aspergillusspp., andFusariumspp.) significantly prolonged the time to wound closure. Overall, the times to wound closure were longest for the IFI wounds withMucoralesgrowth.

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Tesi sul tema "Wounds and injuries Microbiology"

1

Robertson, James Gray. "Insulin-like growth factors and insulin-like growth factor binding proteins in wounds /". Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09PH/09phr6509.pdf.

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Marshall, Nicholas John. "The influence of insulin-like growth factor 1 and its analogues on fibroblasts and dermal wound healing". Title page, table of contents and synopsis only, 1998. http://web4.library.adelaide.edu.au/theses/09MD/09mdm3685.pdf.

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Includes bibliography (leaves 191-219). Examines the levels of insulin-like growth factor and the presence of IGF binding proteins in human wound fluid. Tests the potency of IGF-1 and 2 analogues in in vitro models of fibroblast activity and their effect on healing in normal and diabetic rodent wounds. Shows that IGF-1, IGF-2 and their binding proteins are present in fluid from a partial thickness cutaneous wound; that the binding proteins negatively modulate the activity of insulin-like growth factors in vitro, but that the IGFs do not necessarily show enhanced activity in vivo at the wound site if binding protein affinity is decreased. Discusses possible roles of these binding proteins in wound repair.

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Foster, Michele. "A window of opportunity : referral from acute care to rehabilitation following traumatic brain injury /". [St. Lucia, Qld.], 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16181.pdf.

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Schneider, Jillian Claire Zillmer Eric Moelter Stephen T. "Emotional sequelae of sports-related injuries : concussive and orthopedic injuries /". Philadelphia, Pa. : Drexel University, 2006. http://hdl.handle.net/1860/1115.

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Murnyack, Roberta Michelle. "Development of a three-dimensional finite element model of lateral controlled cortical impact injury in the rat with geometry from magnetic resonance imaging". Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/17058.

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Lin, Htein. "Causes and prevalence of traumatic injuries to the permanent incisors of school children aged 10-14 years in Maseru, Lesotho". Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&amp.

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The aim of this study was to investigate the prevalence, etiology and types of injuries to permanent incisors among schoolchildren aged 10-14 years from Maseru, Lesotho. Upper and lower permanent incisors were examined for dental injuries.

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Margand, Paul Marcus Buchanan. "Ultrastructural changes in electrically damaged x-enopus laevis sciatic nerve". Scholarly Commons, 1991. https://scholarlycommons.pacific.edu/uop_etds/2217.

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Electrical injury is known to alter the normal physiological function of nerves. In most cases, the change in function is only minor, but in severe instances the physiological function may be lost entirely. The changes in function involve the ability of the nerve to transmit an impulse, which is a function of the nerve's ability to create and maintain an electrical gradient across its membrane. When the nerve is exposed to an electrical current, the ability to maintain an electrical gradient across the membrane is reduced or lost. This change may be transient or permanent. The changes in the gradient hinder the nerve from propagating the impulse, which is the means of information transfer to and from the CNS (central nervous system). Due to the manner in which human victims are typically exposed to an electric shock, the peripheral axons usually display the greatest change in physiological function.

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Ackermann, Tessa Ruth. "Minor "dings" - major effects? a study into the cognitive effects of mild head injuries in high school rugby". Thesis, Rhodes University, 2000. http://hdl.handle.net/10962/d1002429.

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The present study is part of a larger and ongoing research initiative investigating the cumulative cognitive effects of mild head injury in rugby union and focused specifically on high school rugby players. A comprehensive battery of neuropsychological tests was administered to top team high school rugby players (n = 47), and a non-contact sport control group of top team high school hockey players (n = 34). Direct comparisons of group mean scores and standard deviations across each neuropsychological test were carried out for the Total Rugby group versus the Total Hockey group as well as for the subgroups Rugby Forwards versus Rugby Backs. A correlational analysis was conducted to ascertain whether a relationship exists between the number of mild head injuries reported by the players and their cognitive test performance. Results of the group comparisons of means and variability on WMS Paired Associate Learning Hard Pairs - Delayed Recall provides tentative indications of the initial stages of diffuse damage associated with mild head injury in the rugby group and provides some evidence for impairment of verbal learning and memory in the Rugby Forwards group. The correlational analysis revealed no significant relationship between number of reported mild head injuries and cognitive performance. The findings and possible latent effects of the multiple mild head injuries reported by the rugby players are discussed in terms of brain reserve capacity theory and suggestions for future research are provided.

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Scholtz, Hendrik Johannes. "Fatal penetrating injuries of the chest". Master's thesis, University of Cape Town, 1996. http://hdl.handle.net/11427/26781.

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In the Republic of South Africa, an autopsy is required in all cases of unnatural death, or in cases where the cause of death is unknown in terms of the Inquest Act of 1959. These are performed at the Salt River Medicolegal Laboratory by Forensic Pathologists and Registrars of the Department of Forensic Medicine and Toxicology of the University of Cape Town. The Salt River Medicolegal Laboratory serves the greater Cape Town area with a population of approximately 2,5 million, including the magisterial districts of Cape Town, Wynberg, Mitchell's Plain and Simonstown. Cape Town has one of the world's highest homicide rates and in 1986 the incidence was 56, 91 100000 population per annum. In contrast, Singapore has a homicide rate of only 2, 5/100 000, while the United States has an overall homicide rate of 7,7/ 100 000 population. In order to document the true impact of penetrating chest injuries, and to place mortality data in perspective, a retrospective descriptive study of all cases with fatal penetrating chest injuries admitted to the Salt River Medicolegal Laboratory in Cape Town during 1990 was undertaken. In 1990, a total of 5 758 cases was admitted to the Salt River Medicolegal Laboratory of which 1834 cases (39%) were the result of homicide. Of the homicide cases, 408 (22%) were the result of firearm injuries. A total of 2044 (35, 5%) cases admitted was deemed to have died of natural causes. This study identified a total of 841 cases of fatal penetrating injuries of the chest admitted during 1990, which constituted 22,6% of all non-natural cases admitted.

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Ottosson, Carin. "Somato-psycho-social aspects of recovery after traffic injuries /". Stockholm, 2006. http://diss.kib.ki.se/2006/91-7140-721-9/.

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Libri sul tema "Wounds and injuries Microbiology"

1

Percival, Steven L. Microbiology of wounds. Boca Raton, FL: CRC Press, 2010.

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2

International Forum on Wood Microbiology (1989 Barcelona, Spain). International Forum on Wound Microbiology: Highlights, Barcelona, Spain, November 29, 1989. A cura di Alexander J. Wesley 1934-, Thomson Philip D e Hutchinson Jerry J. Princeton [N.J.]: Excerpta Medica, 1990.

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ill, Harris Andrew 1977, a cura di. My skinned knee. Minneapolis: Millbrook Press, 2009.

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Seal, David V. Skin and wound infection: Investigation and treatment in practice. London: Martin Dunitz, 2000.

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L, Rook Jack, a cura di. Whiplash injuries. Philadelphia: Butterworth-Heinemann, 2003.

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1970-, Aksenov Igor V., e Miller Stuart S, a cura di. MasterMinding wounds. [Flagstaff, AZ]: Best Publishing Company, 2010.

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Zederfeldt, Bengt. Wounds & wound healing. London: Wolfe Medical, 1986.

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Zederfeldt, B. Wounds & wound healing. London: Wolfe Medical, 1986.

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Joseph, Dagher F., a cura di. Cutaneous wounds. Mount Kisco, N.Y: Futura Pub. Co., 1985.

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Collins, John Gary. Types of injuries and impairments due to injuries, United States. Hyattsville, Md: U.S. Dept. of Health and Human Services, Public Health Service, National Center for Health Statistics, 1986.

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Capitoli di libri sul tema "Wounds and injuries Microbiology"

1

Presterl, Elisabeth, Magda Diab-El Schahawi, Luigi Segagni Lusignani, Helga Paula e Jacqui S. Reilly. "Puncture Wounds and Needle-Related Injuries". In Basic Microbiology and Infection Control for Midwives, 151–53. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02026-2_16.

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Payne, Christopher, e Andrew Kjos. "Wounds and Injuries". In A Beginner’s Guide to Special Makeup Effects, 89–94. New York : Routledge, 2021.: Routledge, 2021. http://dx.doi.org/10.4324/9781003093701-19.

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Gilchrist, B. "The Microbiology of Wounds". In Wound Healing and Skin Physiology, 387–91. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-77882-7_37.

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Orgill, Dennis P. "Operative Management of Pressure Injuries". In Interventional Treatment of Wounds, 75–84. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-66990-8_5.

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Hanson, R. Reid, e Amelia S. Munsterman. "Treatment of Burn Injuries, Gunshot Wounds, and Dog-Bite Wounds". In Equine Wound Management, 476–89. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781118999219.ch20.

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Hadrill, David. "4. How to prevent wounds and injuries; How to treat wounds". In Horse Healthcare, 86–111. Rugby, Warwickshire, United Kingdom: Practical Action Publishing, 2002. http://dx.doi.org/10.3362/9781780443515.004.

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7

Badr, Hoda, Trina M. Barker e Kathrin Milbury. "Couples’ Psychosocial Adaptation to Combat Wounds and Injuries". In Risk and Resilience in U.S. Military Families, 213–34. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-7064-0_11.

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8

Heegaard, William G., e Gary M. Vilke. "Factitious Conducted Electrical Weapon Wounds: Injuries and Considerations". In Atlas of Conducted Electrical Weapon Wounds and Forensic Analysis, 131–42. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-3543-3_7.

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Graham, Michael. "Histopathology of Cutaneous Conducted Electrical Weapon Injuries". In Atlas of Conducted Electrical Weapon Wounds and Forensic Analysis, 79–111. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-3543-3_5.

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Brave, Michael. "Legal Aspects of Conducted Electrical Weapon Injuries, Wounds, and Effects". In Atlas of Conducted Electrical Weapon Wounds and Forensic Analysis, 143–54. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-3543-3_8.

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Atti di convegni sul tema "Wounds and injuries Microbiology"

1

Frybarger, Michelle R., e Karim H. Muci-Küchler. "Distribution of Bacterial Contamination in Partial Penetration Surrogate Ballistic Wounds". In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23897.

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Abstract (sommario):

Abstract With the rise in use of IEDs during armed conflicts, there has been an increase in the number of injuries to the extremities. Shrapnel and debris ejected during the explosion become high-speed projectiles capable of penetrating soft tissues, bringing bacterial contamination into the wound. If not properly treated, that contamination could lead to infection. Studies aimed at understanding the distribution of bacterial contamination along the permanent cavity could provide useful information to improve treatment protocols for these types of injuries. In this paper, a lower extremity surrogate model was used to investigate bacterial distribution in partial penetration ballistic wounds. The targets used were ballistic gelatin blocks that had an Escherichia coli-laden filter paper placed on their front face. Spherical projectiles were fired into the targets adjusting their speed to obtain three different partial penetration depths. After each shot, a gelatin strip containing the permanent cavity was extracted and segmented. The permanent cavity was removed from each segment, placed in a test tube with buffer solution, and heated in a water bath to melt the gelatin. Standard microbiology protocols were followed to determine the number of colony forming units (CFUs) in each segment. The bacteria distribution was represented by percent of total CFU in the permanent cavity versus segment number. In addition, bacterial contamination as a function of projectile penetration depth was explored. For the cases considered, most of the bacterial contamination occurred in the segments closer to the projectile entry point.

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Pintar, Frank A., Srirangam Kumaresan, Brian Stemper, Narayan Yoganandan e Thomas A. Gennarelli. "Finite Element Modeling of Penetrating Traumatic Brain Injuries". In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-2602.

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Abstract Recent advances in the treatment of penetrating gunshot wounds to the head have saved lives. These advances are largely reported using retrospective analysis of patients with recommendations for treatment. Biomechanical quantification of intracranial deformation/stress distribution associated with the type of weapon (e.g., projectile geometry) will advance clinical understanding of the mechanics of penetrating wounds. The present study was designed to delineate the biomechanical behavior of the human head under penetrating impact of two different projectile geometries using a nonlinear, three-dimensional finite element model. The human head model included the skull and brain. The qualitative comparison of the model output with each type of projectile during various time steps indicates that the deformation/stress progresses as the projectile penetrates the tissue. There is also a distinct difference in the patterns of displacement for each type of projectile. The present study is a first step in the study of the biomechanics of penetrating traumatic brain injuries.

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Lamping, Jeffrey W., Stephen K. Bubb e Terence E. McIff. "Effectiveness of Negative Pressure in Promoting Tissue Growth Into Porous Metal Implants". In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80884.

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Abstract (sommario):

Extremity War Injuries (EWI) with large open segmental and periarticular defects constitute a high volume and high morbidity challenge for the military trauma management system. Open segmental tibia and elbow fractures caused by Improvised Explosive Device (IED) wounds, are two examples of such injuries. Several problems occur when trying to repair such a wound. The large, gaping wounds make skin closure difficult. Infection is also a prevalent complication typically caused by debris contaminating the wound. Lastly, large amounts of damaged tissue including segmental bone defects make repair difficult.

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Zhang, Jiangyue, Narayan Yoganandan, Cheryl A. Muszynski, Frank A. Pintar e Thomas A. Gennarelli. "Analysis of Penetrating Head Impact". In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59899.

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Impact-induced injuries can be classified into blunt and penetrating types. Penetrating injuries are often the byproduct of gunshot wounds and these injuries to the head result in significant mortality and morbidity. The objective of the study is to determine the probability of fatality as a function of admission Glasgow Coma Scale (GCS) and injury volumes (hematoma and edema) in gunshot wounds using computed tomography (CT) scans. Head CT images from 19 patients were analyzed. Hematoma and edema volumes were computed using grayscale equivalents and special computer software. Hematoma and edema volumes were found to be better predictors than GCS. In addition to admission GCS, hematoma and edema volumes may allow more accurate prediction of outcome, and these data should provide informed counseling of relatives and improved guidelines for more efficient resource allocation during the acute care phase.

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Fabio, Anthony, Shiyao Gao, Michael Bell, Patrick Kochanek e Stephen Wisniewski. "97 Gunshot wounds to the head: the epidemiology of severe paediatric firearm-related traumatic brain injuries". In SAVIR 2017. BMJ Publishing Group Ltd, 2017. http://dx.doi.org/10.1136/injuryprev-2017-042560.97.

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Izmailov, Sergey, Julia Perevezentseva, Andrey Rotkov, Vladimir Beschastnov, Evgeniy Popov e Egor Lukoyanychev. "Mathematical Justification of the Wound suturing by Wound Contractors of new Generation". In International Conference "Computing for Physics and Technology - CPT2020". Bryansk State Technical University, 2020. http://dx.doi.org/10.30987/conferencearticle_5fce2772128d09.10616351.

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Frequent cases of man-made disasters, terrorist attacks and military conflicts lead to an increase in the number of victims. Significant soft tissue defects are known to result from gunshot wounds. So, as a result of mine-blasting injuries, defects in the skin and underlying tissues more than 10 cm in diameter are formed in 71.1% of cases. The prerequisite for the uncomplicated course of the wound process is to achieve an adequate comparison of the edges of the wound without excessive tension. To close such extensive wounds, various technical means are used: sutures on pads, various types of dermatotension. We have developed various models of wound contractors (RC) for treatment of wounds. With the help of the RC, a complete reposition and good adaptation of the edges of the wound is created. The wound closure method using these RC almost completely eliminates tissue cutting and limits the sawing effect to a minimum. This is explained by the effects of elastic forces reducing to zero when matching soft tissues and suturing. The use of hardware methods for suturing wounds requires the development of mathematical models of various types of wounds and surgical sutures. These models should provide a simulation of living tissues of the wound edges behavior to achieve the best results in the treatment of wounds by RC advanced technologies. The purpose of this study is to mathematically justify RC with the parallel holding of spokes. Another purpose is to develop a mathematical model of the wounds suturing by hardware technology.

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Zhang, Jiangyue, e Frank A. Pintar. "A Finite Element Study of Blast Overpressure on the Skull With and Without Helmet". In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19083.

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Abstract (sommario):

The use of advanced personal armor, especially the helmet, during combat has significantly reduced the incidence and severity of life threatening penetrating injuries from gunshot and blast shrapnel to the head and improved the overall survival rate of soldiers in combat [1]. On the other hand, the number of blast related injuries (68%) has increased to more than 4 times that of gunshot wounds (15%) and other injuries (17%), among which blast-induced traumatic brain injury (bTBI) has became the signature wound of the U.S. armed forces in Iraq and Afghanistan due to increased use of improvised explosive devices (IED) and rocket-propelled grenades (RPG) by the insurgents [2–4]. It is well known in detonation physics that the presence of a close proximity surface will increase the overpressure on the target due to blast wave reflection [5, 6]. The helmet, which has saved many lives from otherwise fatal penetration and blunt impact injuries, may unfortunately also serve as a reflecting surface and pose increased blast injury threat to the head. Consequently, the current study was designed to compare blast overpressures on the skull with and without helmet using a human head computational model.

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Zhang, Jiangyue, Narayan Yoganandan, Frank A. Pintar, Yabo Guan e Thomas A. Gennarelli. "Experimental Study on Non-Exit Ballistic Induced Traumatic Brain Injury". In ASME 2007 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2007. http://dx.doi.org/10.1115/sbc2007-176407.

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Ballistic-induced traumatic brain injury remains the most severe type of injury with the highest rate of fatality. Yet, its injury biomechanics remains the least understood. Ballistic injury biomechanics studies have been mostly focused on the trunk and extremities using large gelatin blocks with unconstrained boundaries [1, 2]. Results from these investigations are not directly applicable to brain injuries studies because the human head is smaller and the soft brain is enclosed in a relatively rigid cranium. Thali et al. developed a “skin-skull-brain” model to reproduce gunshot wounds to the head for forensic purposes [3]. These studies focused on wound morphology to the skull rather than brain injury. Watkins et al. used human dry skulls filled with gelatin and investigated temporary cavities and pressure change [4]. However, the frame rate of the cine X-ray was too slow to describe the cavity dynamics, and pressures were only quantified at the center of skull. In addition, the ordnance gelatin used in these studies is not the most suitable simulant to model brain material because of differences in dynamic moduli [5]. Sylgard gel (Dow Corning Co., Midland, MI) demonstrates similar behavior as the brain and has been used as a brain surrogate to determine brain deformations under blunt impact loading [6, 7]. Zhang et al. used the simulant for ballistic brain injury and investigated the correlation between temporary cavity pulsation and pressure change [8, 9]. However, the skulls used in these models were not as rigid as the human cranium. The presence of a stronger cranial bone may significantly decrease the projectile velocity and change the kinematics of cavity and pressure distribution in the cranium. In addition, projectiles perforated through the models in these studies. Patients with through-and-through perforating gunshot wounds to the head have a greater fatality rate than patients with non-exit penetrating wounds [10]. Therefore, it is more clinically relevant to investigate non-exit ballistic traumatic brain injuries. Consequently, the current study is designed to investigate the brain injury biomechanics from non-exit penetrating projectile using an appropriately sized and shaped physical head model.

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CHIRVA, Y. V., e M. I. BABICH. "TREATMENT OF DEFECTS IN BONES AND SOFT TISSUE WOUNDS IN VICTIMS WITH INJURIES OF THE LOWER EXTREMITIES BY THE METHOD OF SEQUENTIAL OSTEOSYNTHESIS". In Проблемы и вопросы современной науки. Научно-Издательский Центр Международной Объединенной Академии Наук (НИЦ МОАН), 2018. http://dx.doi.org/10.18411/pivsn-18.

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Hinz, Brandon J., e Karim H. Muci-Küchler. "Study of Air Flow Into Ballistic Wounds Using Flow Visualization Experiments and Numerical Simulations". In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88106.

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Abstract (sommario):

A common type of battlefield injury involves high speed fragments of different sizes and shapes hitting the human body, particularly the extremities. Gaining a better understanding of the mechanisms involved in those injuries can result in better strategies for providing medical care. One aspect that still requires additional research is the contamination of ballistic wounds. Studies published in the open literature have shown that in perforating projectile wounds airborne debris such as skin, cloth, and soil particles are introduced into the wound by either the projectile or by the suction created due to the formation of the temporary wound cavity. These debris can transport bacteria resulting in infection, delayed wound healing, or other complications. The amount of suction and ultimately the bacteria distribution in ballistic wounds can vary depending on parameters such as projectile velocity, caliber, mass, and location of injury. Numerical models can be used to study the influence of various parameters on the suction effect but experimental data is needed to validate the simulation results. This paper presents an experiment developed to provide an initial evaluation of numerical models of the air flow and suction effect in perforating projectile wounds. The experiment used rectangular prism (cuboid) targets made of ballistic gelatin which is a common soft-tissue surrogate material used in ballistic research. These targets were shot with 11.43 mm (0.45 in) caliber round lead projectiles fired from air rifles at approximately 230 m/s. The air flow into the temporary cavity of the tissue surrogate targets was visualized using a vapor curtain placed at the projectile entry location. A high speed digital camera captured the movement of the vapor curtain and the formation of the temporary wound cavity during the tests. To simulate the experiment, a Coupled Eulerian-Lagrangian (CEL) model was run using Abaqus/Explicit. In the model, the mechanical behavior of the soft-tissue surrogate target was represented using a hyper-elastic constitutive relation. A small pre-made cylindrical channel was added to the targets to avoid using techniques such as element erosion or considering material failure when modeling the passage of the projectile through the material. Qualitative and limited quantitative results from the model were compared with the results from the laboratory tests.

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