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 172,036 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

An ophthalmic follow-up comprised 88 children aged 7-10 years who had regular screening for retinopathy of prematurity (ROP) after their pre-term delivery 1982-84. Mean values of birth weight and gestational age in the 88 were 1467 g and 31 weeks. Out of 28 with early evidence of ROP four had progressed to bilateral blindness; the remaining 24 had at least a corrected visual acuity of 0.4 at disposal. The corrected median binocular acuity for all 88 was 0.95; however, the cumulated frequency curve was significantly below a previously stated norm in full-terms. The same conclusion was valid for single eye vision. Within the material, the visual score of the 28 with early ROP was significantly lower than in the remaining 60 subjects. Ophthalmoscopy often showed tortuosity of vessels, but no specific central retinal or optic nerve lesion to explain the slight general depression of visual acuity, and opacities of media contributed in only two subjects. It is concluded, that very preterm delivery generally influences the potential for developing full visual acuity, also in individuals without evidence of early ROP. Evidence of CNS-damage negatively influenced visual acuity score.
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PMID:Pre-term delivery and subsequent ocular development. A 7-10 year follow-up of children screened 1982-84 for ROP. 1) Visual function, slit-lamp findings, and fundus appearance. 882 29

A 5-month-old male calf showed neurological signs, including circling, in-co-ordination, depression, blindness and eventual recumbency. On necropsy, a mass measuring 3.5 x 4.5 x 5 cm was found at the base of the brain, at the level of the pituitary gland. The hypothalamus and optic nerves were compressed by the dorsally expanding mass. Non-functional pituitary chromophobe adenoma was diagnosed from histochemical, immunohistochemical and electron microscopical findings.
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PMID:Non-functional pituitary chromophobe adenoma in a calf. 887 55

A previously healthy 2 1/2-year-old girl developed status epilepticus followed by cortical blindness during intravenous N-acetylcysteine therapy for paracetamol ingestion. The child's vision was almost completely recovered during the 18 months follow-up period. We assume that the cortical blindness was a postictal sequela after prolonged seizure episode, most probably due to respiratory depression induced by N-acetylcysteine.
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PMID:Status epilepticus following intravenous N-acetylcysteine therapy. 896 81

In cattle with hepatic lipidosis, hepatic abscessation, leptospirosis, biliary calculi or fasciolosis, the progression of the disease was studied by serial measurements of serum total bile acid concentrations, plasma glutamate dehydrogenase, gamma-glutamyltransferase, 5'-nucleotidase and leucine aminopeptidase activities Terminalia avicennioides and by liver biopsy. Regardless of the cause of the hepatic disease, weight loss, anorexia, dullness and depression were consistent features. Signs of hepatic encephalopathy, such as blindness, head pressing, excitability, ataxia and weakness were less common and, together with pyrexia and jaundice, were grave prognostic signs. Plasma ammonia concentrations were significantly elevated compared to clinically normal cattle, but such changes were not always accompanied by a decline in plasma urea concentrations. In normal, healthy cattle, the plasma ammonia:urea concentration ratio is 9:1 and the plasma ammonia:glucose concentration is 11:1. In hepatic disease, a plasma ammonia:glucose ratio > 40:1 or plasma ammonia:urea ratio > 30:1, particularly with a rising total ketone body concentration and a declining glucose concentration, carried a guarded prognosis. The study suggested that other factors, such as hypokalaemia, alkalosis, short-chain volatile fatty acids, and false and true neuro-transmitters, may be important in the pathogenesis of hepatic coma in cattle.
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PMID:Clinical and pathological studies in cattle with hepatic disease. 909 45

A 3-mo-old zebra was accidentally given 2.08 mg ivermectin/kg bw orally. Ataxia, blindness and depression developed within a few hours and resolved with symptomatic and supportive treatment by the fifth day post-exposure. These effects were similar to those reported in horses, including the temporary blindness.
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PMID:Ivermectin toxicosis in a zebra. 946 6

Acute malignant catarrhal fever (MCF) was diagnosed in 10 bison from 6 herds and ranging from 1 to 6 years of age. The pattern of clinical signs and morphologic lesions differed among bison. Combinations of corneal opacity, lacrimation, nasal discharge, depression, excess salivation, anorexia, diarrhea, melena, and hematuria were observed. Vasculitis characterized by lymphoid infiltrates in the adventia with variable extension into media and intima was found in multiple tissues in each animal. Fibrinoid vascular necrosis was rare. Ulceration in the alimentary tract was found in 9/10 bison, and ulceration or hemorrhage in the urinary bladder was found in 8/10 bison. Lymphoid infiltrates were present in 7 of 9 livers and 9 of 9 kidneys examined histologically. Hyperplasia of lymph nodes was observed in 5 bison. Chronic MCF was diagnosed in 1 bison with an 80-day course of illness that began with lacrimation, corneal opacity, mucoid nasal discharge, depression, and anorexia. These signs ceased after 15 days but circling and blindness developed on day 76. Chronic vascular lesions characterized by endothelial cell hypertrophy, intimal thickening, fragmentation of the internal elastic membrane, smooth muscle hypertrophy, and adventitial infiltrates of lymphocytes and plasma cells were found in many organs. The retinal arteries had chronic inflammation and acute transmural fibrinoid necrosis. The retinas were infarcted. Polymerase chain reaction technique for amplification of ovine herpesvirus 2 sequences was performed on formalin-fixed tissues, and viral sequences were detected in 1-7 tissues from each animal. These viral sequences were not found in tissues of 4 bison not affected by MCF.
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PMID:Malignant catarrhal fever in bison, acute and chronic cases. 968 74

Over the past 10 years, 10 cats with primary central nervous system infection by larvae of Cuterebra flies have been documented at Cornell University. Clinical abnormalities noted in all cats were progressive and most commonly consisted of depression (6/10), blindness (6/10), and behavior changes (2/10). Affected cats presented most commonly in July (2/10) and August (7/10); one cat was presented in September. The diverse histopathologic changes are unique to this aberrant migration and consist of a combination of five characteristic features: 1) parasitic track lesion (7/10), 2) superficial laminar cerebrocortical necrosis (10/10), 3) cerebral infarction (8/10), 4) subependymal rarefaction and astrogliosis with or without ependymal cell loss (7/10), and 5) subpial astrogliosis (7/10). Changes 2-5 occurred throughout the parenchyma unassociated with the track lesion or the parasite in the affected tissue. The larvae have been recovered most commonly in the region of the olfactory bulbs and peduncles, optic nerves, and cribriform plate, suggesting entry from the nasal cavity. Many of the changes noted are suggestive of a toxic factor elaborated by the parasite and borne within the cerebrospinal fluid, as well as vascular compromise as a component in those cats with brain infarction. Because of the prevalence of infarction associated with this syndrome and the lack of reported cases of such lesions in regions of the world devoid of the fly, we propose that aberrant cuterebral larval migration in the brain is the cause of feline ischemic encephalopathy.
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PMID:Cerebrospinal cuterebriasis in cats and its association with feline ischemic encephalopathy. 975 38

Tsukuba College of Technology is the first national university established as an institute of higher education for the visually and hearing impaired. We have been systematically conducting a University Personality Inventory (UPI) survey on our students since 1989 to understand their mental health. In this study, we compared the UPI scores of the new students of Tsukuba College of Technology in 1993 and 1994 with unimpaired students from the University of Tsukuba (control group), but found no significant difference in the UPI scores of the visually impaired and the control group. However, we noticed a significant difference in the average UPI scores between the hearing impaired and the control group. The visually impaired group were divided into four subgroups, UPI scores descended in order from degree 1 (total blindness), to degrees 2 and 3 (amblyopia), to degree 4 (visual acuity > or = 0.3). The UPI scores of the degree 4 subgroup were significantly lower than those of the control group. An investigation of the items for which the check rate was at least 50% showed that the visually impaired students had a variety of psychological problems, most of which seemed to concern depression or anxiety as did the normal control group. The number of affirmative responses increased with low visual acuity. The only one belonging to the 'lie' scale item was observed in the group of hearing impaired students. Thus, comparing these three groups from the viewpoint of mental health, we noticed the hearing impaired group was slightly different from the other two groups, but the visually impaired group was similar to the normal control group.
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PMID:Mental health of visually and hearing impaired students from the viewpoint of the University Personality Inventory. 976 90

The medical records of 11 cats with histopathologic findings consistent with central nervous system (CNS) Cuterebra larvae myiasis were retrospectively examined to determine if clinical features could identify this disorder antemortem. Young to middle-aged indoor-outdoor domestic shorthaired cats presenting with acute neurologic signs from July through September predominated. Many cats recently had clinical signs consistent with upper respiratory disease. Most cats presented for depression, lethargy, or seizures. Almost all cats had abnormal rectal temperatures, either hypethermia or hypothermia. Peripheral leukocytosis and eosinophilia were not characteristic of cats with CNS cuterebriasis. Cerebrospinal fluid analysis did not consistently disclose evidence of inflammation. Common neurologic deficits included blindness, abnormal mentation, and signs of unilateral prosencephalic disease. No specific clinical or clinicopathologic test was diagnostic for CNS cuterebriasis.
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PMID:Clinical and clinicopathologic features in 11 cats with Cuterebra larvae myiasis of the central nervous system. 977 13

In today's healthcare environment, characterized by downsizing, restructuring, mergers, and acquisitions, organizational cultures and employees are experiencing rapid--and often tense--changes. Ritual can facilitate change by acknowledging it and allowing the grieving process to take its course. The success of an organizational culture change can depend on whether the organization and its members have been given an opportunity to grieve. Until they grieve their losses, people cannot embrace the new. Organizational leaders who have survived downsizing must come to grips with their own survivor status first and then lead others in the organization through the current painful but irrevocable shift in their relationship to the organization. The use of ritual helps organizational survivors see the connection between the grieving process and their survivor symptoms of denial, anger, depression, guilt, fear, insecurity, anxiety, and uncertainty. A good ritual should allow those present to rise above barriers that separate, worries that overburden, and blindness that limits and to gather as one with God. As a rule, a good ritual is participative and recognizes the audience's diversity. The ritual should not just address those present but invite them to act, pray, or sing. Ritual is an important way to provide a structure that allows people to express their emotions. For leaders, it can be a visible way to acknowledge grief and show support for organizational members. For ritual to have any meaning, key leaders need to be present and perhaps have a role in the creation and enactment of the ritual.
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PMID:Ritual's role in profound change. 1014 60


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