974 resultados para Animal Diseases
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Cover title.
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Mode of access: Internet.
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Mode of access: Internet.
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Typescript (photocopy)
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Description based on: 1996 ; title from cover.
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Issued without doc. no.
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Includes index.
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Mode of access: Internet.
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At head of title: U.S. Department of Agriculture. Bureau of Animal Industry.
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"Serial no. 110-29."
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Mode of access: Internet.
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Bibliography: p. 529-534.
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Mode of access: Internet.
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Nitric Oxide (NO) plays a controversial role in the pathophysiology of sepsis and septic shock. Its vasodilatory effects are well known, but it also has pro- and antiinflammatory properties, assumes crucial importance in antimicrobial host defense, may act as an oxidant as well as an antioxidant, and is said to be a vital poison for the immune and inflammatory network. Large amounts of NO and peroxynitrite are responsible for hypotension, vasoplegia, cellular suffocation, apoptosis, lactic acidosis, and ultimately multiorgan failure. Therefore, NO synthase (NOS) inhibitors were developed to reverse the deleterious effects of NO. Studies using these compounds have not met with uniform success however, and a trial using the nonselective NOS inhibitor N-G-methyl-L-arginine hydrochloride was terminated prematurely because of increased mortality in the treatment arm despite improved shock resolution. Thus, the issue of NOS inhibition in sepsis remains a matter of debate. Several publications have emphasized the differences concerning clinical applicability of data obtained from unresuscitated, hypodynamic rodent models using a pretreatment approach versus resuscitated, hyperdynamic models in high-order species using posttreatment approaches. Therefore, the present review focuses on clinically relevant large-animal studies of endotoxin or living bacteria-induced, hyperdynamic models of sepsis that integrate standard day-today care resuscitative measures.
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Thomas Willis (1621-1675), author of the classical work Cerebri Anatome (1664), was arguably the father of the modem era of neurology. As compared with his neuroanatomy, relatively little attention has been paid to Willis' clinical neurology, as described in his Pathologiae Cerebri (1667) and Do Anima Brutorum (1672), where he gave a structured account of disease of the nervous system as it was known in his day. His account was largely derived from personal observations and not from traditional authorities and was based around his concept of the animal spirits, a fictitious entity in many ways analogous to the present day idea of the nerve impulse. This concept allowed him to develop a pathology of the animal spirits which embraced the whole content of the clinical neurology and psychiatry of his times. The anatomical and physiological background to Willis! concepts of animal spirit dysfunction, and those disorders he regarded as due to disturbed function of intrinsically normal animal spirits (mainly headache, disorders of consciousness, apoplexy and palsy) are dealt with in the present paper. The disorders he attributed to inherently abnormal animal spirits are considered in a second part of the paper. (C) 2002 Elsevier Science Ltd. All eights reserved.