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Query: UMLS:C0014118 (endocarditis)
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The earliest written report of selenium poisoning is thought to be the description by Marco Polo of a necrotic hoof disease of horses that occurred in China in 13. century. However recognition of Se as toxic principle come in the early 1930s. Severity of Se poisoning depends on chemical forms of the element, species of animals and routes of administration. The soluble Se salts (Na2SeO3 and Na2SeO4) appear to be among the more toxic compounds; the Se inherent in grains and selenoamino acids (selenomethionine and selenocystine) appear to have relative moderate toxicity; the poorly soluble forms (e.g., elemental Se, Na2Se, SeS2 and diphenyl selenide) are among the least toxic of the Se compounds. In general, toxicity of Se compounds are substantially less when they are administered orally than when they are given parenterally. Rosenfeld and Beath described three clinical types of Se intoxication: acute selenosis, subacute selenosis (i.e., blind staggers type), and chronic selenosis (i.e., alkali disease type). Acute poisoning occurs when high Se content plants are consumed in large quantities within short period. Accidental acute poisoning occurs as consequence of errors in formulation of a Se supplemented diet. The most characteristic sign of acute selenosis is garlic breath due to the pulmonary excretion of volatile Se metabolites. Other signs include lethargy, excessive salivation, vomiting, dyspnea, muscle tremors and respiratory distress. Pathological findings are: congestion of the liver and kidney, fatty degeneration and focal necrosis of the liver, endocarditis and myocarditis. Subacute selenosis ("blind staggers") occurs as a consequence of exposure to large doses of Se over a longer period of time and manifests with neurological signs (e.g., blindness, ataxia, disorientation) and respiratory distress. This form of selenosis is most frequently observed in grazing animals that have consumed Se-accumulated plants. Chronic selenosis ("alkali disease") comes about when animals consume moderate levels of Se (more than 5 mg/kg and less than 40 mg/kg) for period of weeks or months. The usual clinical signs of chronic selenosis in horses, cattle and swine are: loss of hair (horses and cattle lose long hair from the mane and tails), emaciation, hoof lesions and lameness. In advanced cases liver cirrhosis, atrophy of the heart and anemia occur. In swine symmetrical poliomyclomalacia of cervical and lumbal/sacral spinal cord segment has been seen. Sheep seen to be more tolerant and get milder form of the disease. They lose appetite and have reduced gain. In growing chicks reduced gain and feed intake, rough feathers, and characteristics of nervousness has been observed. Reduced egg production, embryonic deformations and reduced hatchability has been observed in hens.(ABSTRACT TRUNCATED AT 400 WORDS)
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PMID:[Selenium toxicity in domestic animals]. 134 Apr 80

A female diabetic patient of 66 years old with acute pyelonephritis, caused by escherichia coli, was further complicated by bacteremia and a rare septic metastasis such as arthritis of the knee and coxa-femoral, unilateral purulent endophthalmitis with a loss of sight and aortic endocarditis which required a surgical change of valves, the posterior evolution being favourable.
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PMID:[Arthritis, endophthalmitis and endocarditis caused by Escherichia coli]. 189 20

A 31-year-old male presented to the emergency room with a sudden onset of blindness and a rash after a five-day history of myalgia, abdominal pain, and fever. The diagnostic approach and the patient's clinical course are presented. Indications for surgical intervention in staphyloccal endocarditis are discussed. Surgical and autopsy findings are reviewed.
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PMID:Fever, rash, and blindness in a previously healthy young male. 614 Jul 94

A fifty-four-year-old woman died from multiple brain infarction and hemorrhage in the bilateral cerebrum, cerebellum, and brainstem, with renal infarction. She developed hematuria and transient blindness sixteen days before admission. Low-grade fever, heart murmur, and aortic valve vegetation on ultrasonic cardiography suggested infectious endocarditis. Autopsy study revealed occult adenocarcinoma in the lung and nonbacterial thrombotic endocarditis, but infective endocarditis was not histologically confirmed. The patient was considered to be a rare case of nonbacterial thrombotic endocarditis who developed multiple small infarctions mainly in the brainstem and cerebellum. Nonbacterial thrombotic endocarditis seems to be still an important disease as the embolic source, even if cryptic, of systemic thromboembolism.
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PMID:Multiple brain infarction and hemorrhage by nonbacterial thrombotic endocarditis in occult lung cancer--a case report. 812 93

Bacillus cereus is a gram-positive aerobic or facultatively anaerobic spore-forming rod. It is a cause of food poisoning, which is frequently associated with the consumption of rice-based dishes. The organism produces an emetic or diarrheal syndrome induced by an emetic toxin and enterotoxin, respectively. Other toxins are produced during growth, including phospholipases, proteases, and hemolysins, one of which, cereolysin, is a thiol-activated hemolysin. These toxins may contribute to the pathogenicity of B. cereus in nongastrointestinal disease. B. cereus isolated from clinical material other than feces or vomitus was commonly dismissed as a contaminant, but increasingly it is being recognized as a species with pathogenic potential. It is now recognized as an infrequent cause of serious nongastrointestinal infection, particularly in drug addicts, the immunosuppressed, neonates, and postsurgical patients, especially when prosthetic implants such as ventricular shunts are inserted. Ocular infections are the commonest types of severe infection, including endophthalmitis, panophthalmitis, and keratitis, usually with the characteristic formation of corneal ring abscesses. Even with prompt surgical and antimicrobial agent treatment, enucleation of the eye and blindness are common sequelae. Septicemia, meningitis, endocarditis, osteomyelitis, and surgical and traumatic wound infections are other manifestations of severe disease. B. cereus produces beta-lactamases, unlike Bacillus anthracis, and so is resistant to beta-lactam antibiotics; it is usually susceptible to treatment with clindamycin, vancomycin, gentamicin, chloramphenicol, and erythromycin. Simultaneous therapy via multiple routes may be required.
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PMID:Bacillus cereus and related species. 826 90

Problems may still occur for patients treated for infantile hydrocephalus who graduate to become adults, including unsatisfactory follow-up. We have continued the supervision in an adult institution of 70 children originally treated in the Birmingham Children's Hospital between 1974 and 1978. In these patients, 33 (16.4%) of a total of 201 shunt revision procedures and 5 of the 8 subtemporal decompressions for slit ventricle syndrome were performed after the age of 16 years. Similarly, 7 shunt infections occurred in this age group. Two patients died from a blocked shunt. Other late complications included blindness (n = 1), endocarditis (n = 1), and renal and heart failure requiring consideration of organ transplantation (n = 1). Also 2 patients developed clinical features of arachnoiditis following earlier lumboperitoneal shunting. An overall good long-term outcome was observed. The majority of children graduated from a normal school (63%) or a school for physically handicapped children (21%). 67% of the patients are socially independent, but live at home with their parents. A further 16% have left their parents' home and live either on their own (10%) or with their partners (6%). It is clear that although a good social and educational outcome is expected, significant clinical problems do arise during adulthood for patients shunted in infancy, even after a long period of apparent stability. Regular follow-up by surgeons familiar with these problems is essential.
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PMID:Long-term complications of hydrocephalus. 875 Dec 93

Three men and one woman (mean age 52 years) were admitted to hospital for septicemia (2 cases), sudden partial loss of visual acuity (1 case) and suspected conjunctivitis (1 case). Three of the patients showed risk factors (diabetes, alcohol intoxication, immunosuppression). Panophthalmitis (affecting all tunics of the eye) was apparent from the initial examination in all 4 cases (2 bilateral and 2 unilateral). Ocular involvement was associated with endocarditis and meningitis (pneumococcus) in 1 case, with nocardiosis (pulmonary, cerebral and nodal) in 1 case, and with septicemia with bacterial arthritis (Escherichia coli, streptococcus A) in 2 cases. Hemocultures were positive in 3/4 cases. The micro-organism was also detected in the joint (n = 2), urine (n = 1) and cerebrospinal fluid (n = 1), during pulmonary transparietal puncture (n = 1) and in intraocular biopsy tissue (n = 1). All patients received appropriate antibiotic therapy intravenously and intraocularly. The infection was cured in all cases, but with severe functional sequelae: blindness in 2 cases, and unilateral enucleation in the other 2 cases.
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PMID:[Hematogenic bacterial endophthalmitis. A rare infection with very poor functional prognosis]. 879 96

A 53-year-old female suddenly went blind in her left eye on 3 June, 2000. She was admitted to the Department of Ophthalmology of our hospital under the diagnosis of endophthalmitis. Her left eye was enucleated, and Streptococcus agalactiae was found in the vitreous fluid. After left ophthalmectomy, inflammation recurred after cessation of antibiotic administration. Echocardiography demonstrated a vegetation of the posterior mitral valve. The diagnosis was infective endocarditis. She was transferred to the Department of Internal Medicine. Mitral regurgitation deteriorated during the course of medical therapy, but she was discharged on 13 September, 2000 because inflammation had improved remarkably and the vegetation had disappeared after administration of penicillin G, panipenem, cefotaxime and clindamycin. We suspected that embolism of the ophthalmic artery was the cause of the sudden blindness in her left eye. Infective endocarditis with bacterial endophthalmitis is very rare in Japan.
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PMID:[Infective endocarditis complicating bilateral bacterial ophthalmitis: a case report]. 1191 52

Injection drug use can result in a variety of severe ocular conditions. Hematogenous dissemination of various fungi and bacteria may produce endophthalmitis with resultant severe visual loss. Retinal arterial occlusive disease may result from talc and other particulate emboli. Most commonly, life-threatening systemic diseases such as endocarditis and HIV infection secondarily affect the eye. Because many of these conditions may result in blindness if untreated, accurate diagnosis and prompt initiation of therapy are essential.
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PMID:Ocular manifestations of injection drug use. 1237 Nov 18

Veillonella species is a rare cause of endocarditis. We report a case of a 49-year-old man with Veillonella parvula prosthetic valve endocarditis who presented with acute cardiac failure due to valvular dehiscence. His clinical course was complicated by cortical blindness and limb paresis as a result of cerebral embolism. The endocarditis was successfully treated with urgent valve replacement surgery and a prolonged course of metronidazole.
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PMID:Prosthetic valve endocarditis caused by Veillonella parvula. 1560 47


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