Bibliografie tematiche / Ecchymosis

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Letteratura scientifica selezionata sul tema "Ecchymosis"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 20 febbraio 2023

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Articoli di riviste sul tema "Ecchymosis"

Comabella, M., F. Titus e P. Huguet. "Recurrent Paroxysmal Headache Associated with Facial Ecchymosis". Cephalalgia 16, n. 5 (agosto 1996): 341–43. http://dx.doi.org/10.1046/j.1468-2982.1996.1605341.x.

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The case of a 58-year-old man with chronic paroxysmal headache and facial ecchymosis is described. The headache was pulsating, of short duration without nausea or vomiting, and occasionally associated with flashing lights. Ecchymoses were mainly located in the middle forehead region and their appearance was associated with a reduction in intensity of the headache. Blood coagulation tests were within normal limits, and a skin biopsy of the ecchymotic lesior ruled out an underlying vasculitis. These attacks were difficult to include in any particular type of headache, although some aspects were similar to migraine headache. The possible mechanism of hemorrhages it discussed.

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Sahan, Ebru, e Muhammed Emin Boylu. "METHYLPHENIDATE INDUCED ECCHYMOSIS". Psychiatria Danubina 33, n. 1 (14 aprile 2021): 65–66. http://dx.doi.org/10.24869/psyd.2021.65.

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Alaghband, Pouya, e Vernon Long. "Periorbital Ecchymosis". Journal of Pediatrics 168 (gennaio 2016): 245–245. http://dx.doi.org/10.1016/j.jpeds.2015.09.058.

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Kakisaka, Yosuke, Mayu Fujikawa e Naomi Hino-Fukuyo. "Glabellar ecchymosis and headache: Variations of pain-associated ecchymosis". Psychiatry and Clinical Neurosciences 69, n. 6 (19 gennaio 2015): 385. http://dx.doi.org/10.1111/pcn.12266.

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Vijayan, Srimathy, Carolyn Orr e Catherine Franconi. "063 Headache with periorbital ecchymosis; a rare clinical entity". Journal of Neurology, Neurosurgery & Psychiatry 90, e7 (luglio 2019): A20.3—A21. http://dx.doi.org/10.1136/jnnp-2019-anzan.55.

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ObjectivesPrimary headache disorders are common with migraine and tension headache accounting for the vast majority of cases. A smaller proportion suffer from trigeminal autonomic cephalgia (TAC). We present a 23-year-old Caucasian female who described characteristic, episodic headaches starting with a dull retro-orbital/bi-frontal pressure evolving, over the course of 1 minute, to experience florid periorbital ecchymosis. While this phenomenon has been described in the literature, the characteristics of our case are unique and noteworthy of reporting.MethodsWe reviewed the literature surrounding this rare entity by using PubMed/OVID databases and the search terms ‘Headache AND ecchymosis’.ResultsCase reports exist in older patients1–3, where the headache is side locked and associated with other autonomic characteristics such as periorbital oedema, conjunctival injection and tearing. Our case is a young female with only ecchymosis in a unilateral and/or bilateral manner and no other autonomic or indeed migraine features. The patient underwent vascular/cranial imaging and blood tests to exclude haematological, autoimmune, vasculitic causes for this presentation which were unrewarding.ConclusionVariations on this clinical entity are described;1–4 we hope this report may bring attention to this fascinating phenomenon. The pathophysiological process is likely to be similar to those implicated in TACs, namely activation of the trigemino-neurovascular system and facial autonomic pathways. The release of neuromediators such as CGRP, VIP and Substance P cause blood vessel fragility resulting in diapedesis. Optimal treatment regimens are unknown but various agents have been trialled. Our patient declined treatment and continues to be followed.ReferencesDeBroff B, et al. Migraine Associated with Periorbital Ecchymosis. Headache 1990;30:260–263.Dafer R, et al. Atypical Chronic Headache and Recurrent Facial Ecchymosis: A Case Report. Neuro-Ophthalmology 2011;35:76–77.Nozzolillo D, et al. Migraine associated with facial ecchymoses ipsilateral to the symptomatic side. J Headache Pain ( 2004) 5:256–259.Sethi PK, et al. Teaching neuroimages: Red forehead dot syndrome and migraine revisited. Neurology 2015;85;e28.

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DUARTE, Sara, e Carlos ANDRADE. "Migrainous periorbital ecchymosis". Arquivos de Neuro-Psiquiatria 78, n. 9 (settembre 2020): 597. http://dx.doi.org/10.1590/0004-282x20200079.

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P., Joshisree K., Rajesh G. e Siddarama R. "CORTICOSTERIODS INDUCED ECCHYMOSIS". International Journal of Pharmacy and Pharmaceutical Sciences 10, n. 1 (1 gennaio 2018): 211. http://dx.doi.org/10.22159/ijpps.2018v10i1.22212.

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Corticosteroids are the steroid hormones which are mainly used in the treatment of various diseases like rheumatoid arthritis, osteoarthritis, rheumatic fever, gout, allergic reactions, renal diseases and haematological diseases. Prolonged use of corticosteroids causes a number of undesirable effects. Major adverse drug reaction (ADR’s) includes ulcers/gastrointestinal bleeding, osteoporosis, increased risk of heart diseases and decreased in bone density. Here we report a case of male patient of 72years old who was confirmed with cervical osteoarthritis and using oral corticosteroid (OCS) (methylprednisolone) since 6 y. While the patient was on therapy ecchymosis was noticed. The relation between suspected drug and ADR was established by performing ADR assessment scale, whereas both de-challenge and re-challenge was done, and ADR assessment scales like Naranjo’s scale, WHO UMC scales showed probable ADR, it can be managed by stopping the drug or using alternative days. Close monitoring of blood cortisol levels in a patient using oral corticosteroids (OCS) should be done.

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Kohn, Sarah, e Lawrence A. Labbate. "Venlafaxine and Ecchymosis". Canadian Journal of Psychiatry 42, n. 1 (febbraio 1997): 91. http://dx.doi.org/10.1177/070674379704200126.

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Sherman, Scott C., e Jennifer Lee. "Plantar Ecchymosis Sign". Journal of Emergency Medicine 57, n. 2 (agosto 2019): e57-e58. http://dx.doi.org/10.1016/j.jemermed.2019.04.033.

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Banerjee, A. K., e M. Burke. "Body wall ecchymosis". British Journal of Surgery 76, n. 1 (gennaio 1989): 104. http://dx.doi.org/10.1002/bjs.1800760143.

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Più fonti

Tesi sul tema "Ecchymosis"

Falepau, David F., of Western Sydney Hawkesbury University e Faculty of Environmental Management and Agriculture. "Factors associated with the occurrence of Ecchymosis (Blood splash) in fallow deer (Dama dama)". THESIS_FEMA_ARD_Falepau_D.xml, 1999. http://handle.uws.edu.au:8081/1959.7/181.

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This thesis describes experimental work conducted to define factors associated with the occurrence of ecchymosis (blood splash) in fallow deer, and discusses facets of the Australian venison processing sector with respect to its capacity to improve the quality of venison. Data was collected on 1804 deer slaughtered experimentally (n equals 494) or at commercial works (n equals 1310) in a range of different slaughter systems. The study showed that a number of factors contribute to the expression of ecchymosis in the carcases of slaughtered deer, and the tailoring of slaughter procedures to suit particular slaughter systems is likely to reduce the extent to which ecchymosis occurs.
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Falepau, David Fa'a. "Factors associated with the occurrence of ecchymosis (blood splash) in fallow deer (dama dama) /". [Richmond, N.S.W.] : Faculty of Environmental Management and Agriculture, University of Western Sydney, Hawkesbury, 1999. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030328.151026/index.html.

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Grogan, Shawn Patrick, of Western Sydney Hawkesbury University, Faculty of Environmental Management and Agriculture e School of Agriculture and Rural Development. "Endocrine alteration of meat quality and gene expression in rats and deer". THESIS_FEMA_ARD_Grogan_S.xml, 1998. http://handle.uws.edu.au:8081/1959.7/724.

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Stress activates a number of endocrine pathways that alter an animal's physiology in a manner which can result in undesirable meat quality. Animals frequently exhibit meat quality defects, including ecchymosis, at slaughter due to the stress of slaughter. This thesis explores how stress related hormones interact with adrenergic receptors to alter muscle and vascular physiology. Fallow deer were exposed to either a transciptional regulator (hydrocortisone), a beta adrenergic recptor agonist (clenbuterol) or a beta adrenergic receptor antagonist (propranolol). The administration of hydrocortisone resulted in a negative feed-back type reduction in circulating cortisol. Animals treated with propranolol and clenbuterol displayed less severe eccymosis. These results indicated that the beta 2 adrenergic receptor (B2AR) is important in controlling ecchymosis severity. B2AR was also found to be important in mediating vascular dynamics, growth and energy pathways. To investigate how adrenergic receptors alter skeletal muscle gene expression and meat quality, an in vivo wistar rat model was developed in conjunction with in vitro muscle cell (L6) experiments. Gene expression of B2AR, its associated kinase (BARK) and collagen type III, prolyl- 4-hydroxylase (P4Hy) was measured in rat muscle and L6 cells. Following exposure to clenbuterol and hydrocortisone, growth and meat quality were determined. The L6 experiments revealed that gene expression following exposure to hydrocortisone and B2AR ligands paralleled the in vivo rat changes in B2AR, BARK, collagen type III, and P4Hy gene expression. In both L6 and wistar rat models the B2AR and BARK genes are similarly expressed following clenbuterol exposure. Both rats and deer exposed to clenbuterol had significant increases in growth rate and a reduction of intramuscular fat. The B2AR therefore appears to be a major mediator of many interrelated events including energy distribution, growth and vascular response to stress. Habituating animals to stress stimuli may increase their coping ability and improve welfare and meat quality.
Doctor of Philosophy (PhD)

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Grogan, Shawn Patrick. "Endocrine alteration of meat quality and gene expression in rats and deer". Thesis, [Richmond, N.S.W.] : CSIRO Animal Production : School of Agriculture, University of Western Sydney, Hawkesbury, 1998. http://handle.uws.edu.au:8081/1959.7/724.

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Maia, Mariana Cervaens Costa. "Hyperbaric oxygen therapy in sports medicine". Doctoral thesis, [s.n.], 2013. http://hdl.handle.net/10284/4224.

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Doutoramento em Biotecnologia e Saúde, especialidade em Epidemiologia e Saúde Pública
As lesões desportivas são um grande problema no que diz respeito à sua rápida reabilitação. Inúmeros estudos tentam encontrar a técnica mais rápida capaz de acelerar o processo da recuperação. A oxigenoterapia hiperbárica (OTH) é a aplicação de 100% de oxigénio numa câmara hiperbárica a pressões mais elevadas do que o nível do mar. A inalação de OTH comporta-se como um fármaco multifacetado dotado de efeitos anti-isquémicos, anti-hipóxicos, anti-edematosos, pós-lesão e anti-infecciosos. Portanto, o objetivo desta tese foi analisar a influência da OTH na recuperação de lesões desportivas, como contusão muscular e do ligamento cruzado anterior (LCA) pós ruptura. Em primeiro lugar, verificou-se se a aplicação de OTH melhorou as propriedades biomecânicas, tais como rigidez, alongamento máximo e peso máximo, dos gastrocnémios de ratos após induzir contusão muscular. Em segundo lugar, era de nosso interesse analisar, após de se ter induzido uma contusão muscular nos gastrocnémios dos ratos, a influência da OTH na bioenergética mitocondrial avaliada através do consumo de oxigénio e potencial transmembranar e susceptibilidade à indução do poro de transição de permeabilidade mitocondrial, em mitocôndrias isoladas. Finalmente, no último trabalho experimental, tentou-se verificar se a aplicação de OTH tem a capacidade de melhorar a neovascularização, por meio da análise do factor de crescimento do endotélio vascular (VEGF), bem como analisar a proliferação e a produção de proteína, em coelhos com ruptura do LCA. A OTH parece desempenhar um papel importante na recuperação de lesões musculares, mais especificamente, na contusão muscular em ratos, melhorando as propriedades biomecânicas musculares, tais como a rigidez e peso máximo e na bioenergética mitocondrial, onde o tempo até que o inchaço na mitocôndria iniciasse em grande escala foi menor no grupo submetido a OTH, assim como a amplitude de inchaço foi maior, o que atrasou a apoptose mitocondrial. Contudo, em relação à ruptura do LCA, a OTH promoveu a neovascularização, activando VEGF, mas no entanto, contribuindo para o aumento da espessura da cápsula. VII Palavras-chave: Oxigenoterapia hiperbárica, gastrocnémios, contusão muscular, propriedades biomecânicas, bioenergética mitocondrial, ligamento cruzado anterior, neovascularização, colagénio tipo I. Sports injuries is a major problem what concerns to its rapid rehabilitation. There is innumerous attempting to find the faster technique to apply to the injured ones to accelerate its recovery. Hyperbaric oxygen therapy (HBO) is the application of 100% oxygen in a hyperbaric chamber at pressures higher than sea level. The inhalation of HBO has already shown that behaves like a multifaceted drug endowed with anti-ischemic, anti-hypoxic, anti-edematous, pro-healing and anti-infective effects. Therefore, the objective of this thesis was to analyze the influence of HBO in the recovery from sports injuries such as muscle contusion and anterior cruciate ligament (ACL) rupture. Firstly, it was verified if HBO improved the biomechanical properties, such as hardness, maximum elongation and maximum weight, of rats’ gastrocnemius after inducing muscle contusion. Secondly, it was of our interest to analyze skeletal muscle mitochondrial energetic of rats’ gastrocnemius after induced muscle contusion, by determining end points related to oxygen consumption, transmembrane electric potential and permeability transition pore susceptibility in isolated mitochondria. At last, our last experimental work aimed to verify if HBO has the ability to improve neovascularization, through the analysis of vascular endothelial growth factor (VEGF) as well the proliferation and protein production, of rabbit ruptured ACL. HBO seems to play an important role in the recovery of muscle injuries, more specifically, muscle contusion in rats, by improving muscle biomechanical properties, such as hardness and maximum weight and in mitochondria energetic, where the time until large scale swelling initiates in mitochondria was lower in HBO and the swelling amplitude was higher, which delayed mitochondria apoptosis. However, concerning to ACL rupture, HBO increased neovascularization by activating VEGF, contributing for the increasing of capsule thickness. Les lésions sportives sont un grand problème en ce qui concerne la rapidité de sa réhabilitation. De nombreux études essayent de trouver la plus rapide et moins douloureuse technique capable d’accélérer le processus de récupération. L’oxygénothérapie hyperbare (OHB) consiste à l’inhalation de 100% d’oxygène dans un caisson étanche avec une pression plus élevée que celui de la mer. Il a été démontré que l’inhalation de l’OHB se comporte comme une drogue à multiple facette, qui permet d'agir sur l'ischémie tissulaire qu'elle qu'en soit la cause : vasculaire, traumatique, toxique, ou infectieuse. Pourtant, l’objectif de cette étude a été d’analyser l’influence de l’OHB dans la récupération des lésions sportifs, l’ecchymose du ligament croisé antérieur post rupture. Dans un premier temps, on a vérifié si l’utilisation de l’OHB améliore les propriétés biomécaniques, comme la rigidité, l’étirement maximum et le poids maximum, des Gastrocnémiens chez les rats après induire une ecchymose. Deuxièmement, cela été dans notre intérêts d’analyser, après induire une ecchymose des Gastrocnémiens chez les rats, l’influence du OBH dans la bioénergétique mitochondriale, évalué à travers la consommation d’oxygène, le potentiel transmembranaire et la susceptibilité d’induction du pore de transition de perméabilité mitochondrial, des mitochondries isolés. Pour finir, lors du dernier travail expérimental, nous avons essayé de vérifier si l’application de l’OHB a la capacité d’amélioré la néo vascularisation, en analysant le facteur de croissance de l’endothélium vasculaire (en anglais Vascular endothelial growth factor, VEGF), en analysant aussi la prolifération et la production de protéine, sur des lapins avec rupture du LCA. L’OHB semble avoir un rôle important dans la récupération des lésions musculaires, plus précisément sur l’ecchymose chez les rats, améliorant ainsi les propriétés biomécaniques musculaires, comme la rigidité, le poids maximum et la bioénergétique mitochondriale. Le temps pour que l’oedème dans la mitochondrie arrive à grande échelle a été plus faible dans le groupe soumis à l’OHB, comme l’amplitude de l’oedème fut plus grand, ce qui a retardé XI l’apoptose mitochondrial. Toutefois, en ce qui concerne la rupture du LCA, l’OHB a promu la néo vascularisation, activant le VEGF, contribuant à une capsule épaisse.

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Falepau, David F. "Factors associated with the occurrence of Ecchymosis (Blood splash) in fallow deer (Dama dama)". Thesis, 1999. http://handle.uws.edu.au:8081/1959.7/181.

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Dias, Tatiana Domingues. "Acidentes com a solução de hipoclorito de sódio no tratamento endodôntico não cirúrgico". Master's thesis, 2019. http://hdl.handle.net/10284/8469.

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A irrigação dos canais radiculares é um importante passo no desbridamento e desinfeção do sistema de canais radiculares e é parte integrante dos procedimentos do Tratamento Endodôntico. O irrigante mais utilizado é o Hipoclorito de Sódio. Este pertence ao grupo dos compostos halogenados e a sua ação física promove a circulação hidráulica pelo interior dos canais radiculares, promovendo também o efeito de solvência do tecido orgânico, inorgânico e desinfeção. Pretende-se com esta dissertação, através da análise de literatura, dar a conhecer melhor o irrigante Hipoclorito de Sódio assim como os vários tipos de acidentes e suas causas com que nos podemos deparar no consultório e estarmos preparados para atuar no sentido de reverter a situação. Para a elaboração deste trabalho de revisão foi executada uma pesquisa bibliográfica nas bases de dados PubMed e Science Direct recorrendo às seguintes palavras-chave em múltiplas combinações: "sodium hypochlorite"; "apical extrusion"; "ecchymosis"; "root canal treatment". Foram incluídos artigos publicados nos últimos 18 anos (2000-2018), em língua inglesa e língua portuguesa, dando mais destaque aos artigos mais recentes. Ao todo foram encontrados 222 artigos, dos quais foram selecionados 30 com base no título e resumo. A pesquisa englobou artigos de revisão narrativa e sistemática, estudos de meta-análise e casos clínicos. Foram excluídos os artigos que não mostraram relevância para o objetivo do trabalho. Foi ainda realizada uma pesquisa bibliográfica na biblioteca da Universidade Fernando Pessoa.
Irrigation of root canals is an important step in debridement and disinfection of the root canal system and is an integral part of endodontic treatment procedures. The most commonly used irrigant is sodium hypochlorite. It belongs to the group of halogenated compounds and its physical action promotes hydraulic circulation through the interior of the root canals, also promoting the solvency effect of organic, inorganic tissue and disinfection. The aim of this dissertation, through the analysis of literature, is to better understand the irrigant Sodium Hypochlorite as well as the various types of accidents and causes that we can encounter in the clinic daily and be prepared to act to reverse the situation. For the elaboration of this review paper, a bibliographic research was performed in the PubMed and Science Direct databases. Using the following keywords in multiple combinations: "Sodium hypochlorite"; "Apical extrusion"; "Ecchymosis"; “Root canal treatment”. Articles published in the last 18 years (2000-2018), in English and Portuguese, were included, giving more emphasis to the most recent articles. 222 articles were found, of which 30 were selected based on the title and abstract. The research comprised narrative and systematic review articles, meta-analysis studies and clinical cases. Articles that did not show relevance for the objective of the study were excluded. A bibliographic research was also carried out at the Fernando Pessoa University Library.

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Desjarlais, Anne. "Quand le désespoir cache l’innommable : une étude des critères de suspicion pour distinguer les suicides par pendaison des homicides déguisés". Thèse, 2013. http://hdl.handle.net/1866/11215.

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L’objectif de la présente étude est d’étudier les différences entre les homicides par strangulation et les suicides par pendaison ainsi que l’importance du rôle que jouent les lésions dans la détermination du mode de décès dans les cas apparents de pendaison, et ce dans l’optique d’établir un outil permettant de renseigner le coroner ou médecin légiste sur le mode de décès probable dans les cas apparents de pendaison. Deux cent quatorze cas de suicide par pendaison ont été révisés rétrospectivement et comparés à 51 cas d’homicide par strangulation. La fréquence d’ecchymoses (6,1 %), d’abrasions (4,7 %) et de lacérations (0,5 %) était significativement plus faible chez les victimes de suicide par pendaison que chez les victimes d’homicides par strangulation (58,8 %, 51,0 % et 5,9 % respectivement). Les ecchymoses, chez les victimes de suicide par pendaison, se trouvent habituellement sur les membres supérieurs antérieurs et postérieurs ou sur les membres inférieurs antérieurs. Elles se situent généralement soit sur les membres supérieurs, soit sur les membres inférieurs, et non aux deux endroits à la fois. Les abrasions sont davantage susceptibles de se trouver sur la face postérieure des membres supérieurs et sur la face antérieure des membres inférieurs. Cette concentration préférentielle n’est pas observée chez les victimes d’homicide par strangulation. De possibles critères de suspicion et des modèles de prédiction du mode de décès sont évalués.
The objective of the present study is to study the differences between the suicidal hangings and the homicidal nonhanging strangulations as well as the lesion’s role in the manner of death determination in apparent hanging cases, in order to create a decision tool that will inform the coroner or medical examiner on the probable manner of death in apparent hanging cases. Two hundred and fourteen cases of suicidal hanging were retrospectively reviewed and compared to 51 homicidal nonhanging strangulation victims. Bruises, abrasions and lacerations incidence were significantly lower in hanging victims (6.1 %, 4.7 % and 0.5 % respectively) compared to homicidal strangulation victims (58.8 %, 51.0% and 5.9 % respectively). Limb bruises were found as much on the anterior part of upper limbs as on posterior part, whereas limb abrasions were located mostly on the posterior aspect of upper limbs. Bruises and abrasions were also found exclusively on the anterior aspect of the lower limbs. Bruises are generally observed either exclusively on upper limbs, either exclusively on lower limbs, but rarely on both in a single case. In homicidal nonhanging strangulation cases, this preferential lesions concentration was not observed. Possible criteria for limb lesions distribution are discussed and prediction models of the manner of death are evaluated.

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Libri sul tema "Ecchymosis"

Monteil-Bauer, Anne. Ecchymose. A PLUS UN TITRE, 2010.

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Cowart, Leigh. Mon Coeur Est une Ecchymose. SilkWords, 2014.

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Capitoli di libri sul tema "Ecchymosis"

Fok, Henry, Kerry Layne e Adam Nabeebaccus. "Ecchymosis". In 100 Cases in Acute Medicine, 123–24. 2^a ed. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003241171-42.

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Malvasio, Cristina, Giuseppe Ruggiero e Fabio Arcangeli. "Ecchymotic Lesions on the Left Foot in a 14-Year-Old Child". In Clinical Cases in Dermatology, 53–56. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91526-1_12.

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Krekels, G. A. M. "Wanneer moet men beducht zijn voor huidatrofie en ecchymosen bij gebruik van inhalatiecorticosteroïden of prednison". In Vademecum permanente nascholing huisartsen, 287. Houten: Bohn Stafleu van Loghum, 2006. http://dx.doi.org/10.1007/978-90-313-8808-0_146.

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"Ecchymosis". In Encyclopedia of Cancer, 1208. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-16483-5_1801.

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Buttaravoli, Philip, e Stephen M. Leffler. "Periorbital Ecchymosis". In Minor Emergencies, 87–89. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-323-07909-9.00022-2.

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Buttaravoli, Philip, e Stephen M. Leffler. "Subungual Ecchymosis". In Minor Emergencies, 621–22. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-323-07909-9.00155-0.

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Buttaravoli, Philip. "Periorbital Ecchymosis". In Minor Emergencies, 93–95. Elsevier, 2007. http://dx.doi.org/10.1016/b978-0-323-08346-1.50028-0.

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Buttaravoli, Philip. "Subungual Ecchymosis". In Minor Emergencies, 645–46. Elsevier, 2007. http://dx.doi.org/10.1016/b978-0-323-08346-1.50161-3.

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"Periorbital Ecchymosis". In Encyclopedia of Clinical Neuropsychology, 1910. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-0-387-79948-3_3282.

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"Case 29 Ecchymosis". In 100 Cases in Acute Medicine, 65–66. CRC Press, 2012. http://dx.doi.org/10.1201/b13417-31.

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Atti di convegni sul tema "Ecchymosis"

El, Çiğdem, e Mehmet Emin Çelikkaya. "P583 An uncommon cause of spontaneous ecchymosis in children: acute idiopathic thrombocytopenic purpura". In Faculty of Paediatrics of the Royal College of Physicians of Ireland, 9th Europaediatrics Congress, 13–15 June, Dublin, Ireland 2019. BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health, 2019. http://dx.doi.org/10.1136/archdischild-2019-epa.917.

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de Lima Thomaz, Ricardo, Ana Claudia Patrocinio e Alcimar Barbosa Soares. "Three-dimensional reconstruction and surface extraction of lower limbs as visualization methodologies of ecchymosis". In 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2014. http://dx.doi.org/10.1109/embc.2014.6943636.

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Redaelli, R., F. Baudo, B. Busnach, T. M. Caimi, L. Perrino, L. Pezzetti e F. deCataldo. "LUPUS ANTICOAGULANT (LA) COEXISTENT WITH TRANSIENT PROTHROMBIN (FII) INHIBITOR: FTI DEFICIENCY DUE TO CLEARANCE OF THE B/MUNOCOMPLEX". In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644240.

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Abstract (sommario):

23 y.o. man with acute nephritis and bleeding (epistaxis, ecchymosis) at presen-taticn. Family and personal past history negative for bleeding. Laboratory data consistent with SLE. Coagulation tests: FT Ratio (R) 1.8, aPTT R 2.4, FII:C <1%, FIIR:Ag 996, other coagulation factors normal. Tissue thromboplastin inhibition test (TTIT) R 2.8, congenital FII deficiency (696) R 1.6.1. FII survival time (Fll-ccncentrate infusion - 60 U/kg) t1/2: 9 hours.2. FII neutralizing activity (FTI:C normal plasma (NP) + buffer 5996; NP + patient plasna {PtP) 5096): absent.3. Irmunoccrplex formaticn4. FII inhibitor characterization (purified FII coupled to CNBr-activatedSepharose →PtP incubation with Fll-Sepharose→specific antiFII irrrrunoglobulins (Ig)* elution at acid pH→identification by double iimunodifftision): precipitin line with anti IgA, anti IgG2, anti k, anti 1.5. LA characterization (after FII inhibitor disappearance): TTTT on mixtures NP + PtP or N Ig in equal volumes.Diagnosis: SIE, LA (IgG); polyclonal (IgA, IgG2, k, 1) not neutralizing FII inhibitor; hypoprothrxmbinemia due to clearance of the irrrrunocorrplex.FII inhibitor was transient. Bleeding was rapidly controlled by replacement therapy. LA persits after FII inhibitor disappearance.

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Morin, Y., e S. Limon. "TOLERANCE OF CY 216 AS THROMBO-EMBOLIC DISEASE PREVENTION : EVALUATION OF LOCAL HAEMORRHAGIC RISK IN OPHTAL SURGERY - Preliminary results". In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643237.

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The specific biological activity of low-molecular weight heparin prompted using CY 216 in ophtalmological surgery for thrombo-embolic prevention. We report preliminary results on 31 patients (9 males, 22 females, mean age 74,4) treated from 06/86 to 12/86 with a daily 0,3 ml sub-cutaneous injection of CY 216 started 2 hours prior to surgery until day 7, or day 10 for 7 patients. Coagulation tests included TCa and anti-Xa activity. All patients were checked daily for ocular haemorrnagies and thrombo-embolic manifestations. Anaesthesia was general in 16 cases and local in 15. Surgery was performed on 21 cataracts (67 %), 8 retinal detachments (26 %), 2 glaucomas (6 %).No patient developped any clinical thrombo-embolism condition. In that particular surgery where frequent local haemorrhagic complications occur and delay the onset of heparinotherapy, CY 216 treatment exhibited 3 minor eyelids ecchymosis, 1 choroid hematoma and 5 subconjonctival suffusions, all transient and not impacting specific surgical results ; and all already known as possible mechanical vascular aggression independant of heparinotherapy. 2 hyphemas (6 %) also occured, for which CY 216 was discontinued, still not impacting surgical results, and without excessive hypocoagulation according to tests. These biological tests showed no adverse effects ; TCa never raised more than 6" above controls, and anti-Xa activity raised to 4 times pre-treatment values ; in 3 patients, high values did not induce any haemorrhagic complications, a very strong argument in favor of excellent tolerance of CY 216 therapy.At this stage of preliminary results, the tolerance of CY 216 concerning local haemorrhagic risk in eye surgery can be evaluated as near to excellent.

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Blockmans, D., M. J. Heynen, J. Vermylen e R. Verwilghen. "CONGENITAL MACROTHROMBOCYTOPENIA, LEUCOCYTE INCLUSIONS, DEAFNESS AND PROTEINURIA: FUNCTIONAL AND ELECTR0NMICROSCOPIC OBSERVATIONS ON PLATELETS AND MEGAKARYOCYTES". In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643928.

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We report here a female patient of 33 years with a variant of Alport's syndrome (macrothrombocytopenia, leucocyte inclusions, deafness and proteinuria). The bleeding problems consisted of ecchymoses and menorrhagia, the deafness was of the ^ensorineural type. The platelet count in whole blood was 14.109/I, the mean platelet volume 22.8 μm3 . The template bleeding time exceeded 30 minutes. Ultrastructural studies of the peripheral blood revealed giant spheroid platelets with a high density of organelles, an abundance of vacuoles and an apparently disorganized microtubular system. In addition, unusual granule free areas were observed in the neutrophils of the patient and her mother. Granulocyte function was normal, except for a low myeloperoxidase content.Functional studies of the platelets in platelet rich plasma showed normal aggregation curves related to the low platelet number, although no shape change could be elicited. Platelet aggregation studies in whole blood (impedance method) gave supernormal aggregation curves; this suggests the limited usefulness of this technique in patients with such large platelets.The bone marrow contained numerous dysplastic megakaryocytes. In the mature granular megakaryocytes vacuoles and cysternae were organized in a radiating pattern demarkating elongated platelet territories. The platelet producing megakaryocytes showed fragmentation of the central zone and discharge of platelets through openings of the peripheral zone. These megakaryocytes had an immunological phenotype resembling that of very young cells (TR 14%, GP IIa 17% and GP IIIa 7%). The conversion of the elongated platelet territories into giant spheroid platelets probably results from remodelling within the circulation. The internalisation of plasma membranes would give rise to the extended invaginated canalicular system. Further studies are needed to explain the exact pathogenesis of this syndrome.

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Patel, R., e R. Bick. "PLATELET DYSFUNCTION INDUCED BY TETRAHYDROCANNABINOL". In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644877.

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Many drugs and other agents have been reported to induce platelet dysfunction and clinical bleedability; however, tetrahydrocannabinol (marijuana) has thus far not been reported. The patient herein described is a 28-year-old Caucasian female who wasreferred for evaluation of easy and spontaneous bruising. On history, the patient related that for a three-month period she had been developing spontaneous ecchymoses of the extremities and torso. She denied any medication other than heavy marijuana use. Hemostasis evaluation revealed her to have a normal prothrombin time, partial thromboplastin time (PTT), Factor VIII coagulant activity (Factor VIII:C), Factor VIII related antigen (Factor VIII:RAg), and ristocetincofactor activity. Platelet aggregation was performed which revealed abnormal aggregation to epinephrine, adenosine diphosphate (ADP) and abnormal release but normal aggregation toristocetin. She was asked to refrainfrom marijuana and was reaggregated revealing normal aggregation and release to epinephrine, ADP, collagen and arachidonic acid; however, ADP release induced by ristocetin remainedmoderately abnormal, even though aggregation was normal. In addition, with cessation of marijuana use, her clinical bruising abated.Following this, she again indulged in marijuana and she was reaggregated, revealing delayed aggregation and release to epinephrine with abnormal aggregation to ADP. Additionally, ristocetin release and adenosine triphosphate (ATP) release remained abnormal but aggregation remained normal and arachidonic acid aggregationremained normal.In summary, we herein describe a young female who demonstrated aggregation abnormalities and clinically significant spontaneous bruising during periods of using marijuana; the defect disappeared upon cessation of marijuana and reappeared upon resumption of marijuana use. The defect atpresent appears to be that of a membrane-type defect with no evidence that marijuana interferes with the prostaglandin pathway.

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Civantos, F., J. Kent e C. H. Pegelow. "NEONATAL HOMOZYGOUS PROTEIN C DEFICIENCY. PROBLEMS IN DIAGNOSIS AND MANAGEMENT". In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644307.

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A newborn with a large rapidly necrotizing hematoma in the right buttock had initial coagulation studies suggestive of disseminated intravascular clotting. Negative cultures, development of other ecchymotic lesions in the scalp, eyelid, and elbows and response to fresh frozen plasma allowed the clinical diagnosis of homozygous protein C deficiency that was confirmed by protein C levels of .00 U/ml immunological and .085 U/ml by coagulation assay. Immunologic.protein C assays in the family showed: .41 U/ml in the mother, .38 U/ml in the father, and .55 U/ml in the paternal grandfather with similar functional assay values. CT scans showed thrombosis of dural venous sinuses with bilateral infarcts and possible subarachnoid hemorrhage resulting in rapidly developing hydrocephalus. Cataracts and synechiae developed in both eyes as a result of hemorrhage at birth. Further episodes of thrombosis and hemorrhage were prevented by administration of fresh frozen plasma every 12 hours. Problems ensued with development of hyper-proteinemia, hypercalcemia and hyperphosphatemia. A shunt to control the hydrocephalus became infected as did the catheter for fresh frozen plasma administration. Coumadin administration concurrent with fresh frozen plasma administration was difficult to regulate; phenobarbital given for subclinical status epilepticus interfered with Coumadin. Factor VII assays were used to regulate the concomitant administration of Coumadin and fresh frozen plasma. At 8 months a new episode of purpura fulminans caused the patient's demise. Skin biopsy of the lesions at birth and autopsy sections of new skin lesions showed thrombosis of subcutaneous adipose tissue veins with surrounding hemorrhage. The pathologic and dermatologic findings were identical to those of Coumadin-induced skin necrosis.

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