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pteridium aquilinum/hemorragia
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Non-urotoxic induction of hemorrhagic cystitis by braxin C, a bracken toxin, in guinea pigs.
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Single subcutaneous injections of 5 and 10 mg/kg of braxin C (BC), ptaquiloside, a toxin isolated from bracken fern, have been shown to induce hemorrhagic cystitis in guinea pigs. In order to determine whether the hemorrhagic cystitis induced by BC is due to the urotoxic effects or not, BC was
Studies on hemorrhagic diathesis of experimental bovine bracken poisoning. I. Detection of circulating anticoagulants.
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Studies on hemorrhagic diathesis of experimental bovine bracken poisoning. II. Heparin-like substance level in blood.
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Variation in ptaquiloside content In bracken (Pteridium esculentum (Forst. f) Cockayne ) in New Zealand.
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OBJECTIVE
To examine stands of bracken fern (Pteridium esculentum) from throughout New Zealand for the presence and concentration of ptaquiloside (Pta), and to compare the presence and/or concentrations of Pta in areas where bovine enzootic haematuria (BEH) and/or acute haemorrhagic syndrome (AHS)
Bracken fern (Pteridium aquilinum) poisoning in cattle in southern Brazil.
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Epidemiological data on Pteridium aquilinum intoxication in cattle the state of Santa Catarina were obtained by review of diagnostic records from 1987 to 2001. Of 3,407 necropsied cattle, 244 (7.16%) were diagnosed as intoxicated by Paquilinum; 122 of those were of the hemorrhagic form, 103 had
The hemolytic activity of bracken extracts in guinea pigs.
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This study was conducted to elucidate the hemolytic activity of a new toxic substance in bracken fern. A crude extract (CE) was prepared from the methanol extracts of bracken by the column chromatography. When the CE was injected subcutaneously in guinea pigs, the hemoglobinuria and hemolysis were
Bracken carcinogens in the human diet.
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The ubiquitous bracken fern (genus Pteridium) is the only higher plant known to cause cancer naturally in animals. In addition to the well-recognized syndromes of thiamine deficiency, acute haemorrhage associated with myeloid aplasia and blindness due to retinal degeneration, it causes neoplasia of
Acute toxicity of braxin C, a bracken toxin, in guinea pigs.
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Braxin C (BC), ptaquiloside, is a toxin isolated from bracken fern. In order to determine the characteristics of the acute BC toxicity, BC was administered as a single subcutaneous (s. c.) injection to guinea pigs, rats, and mice. BC (5 and 10 mg/kg) induced hemorrhagic cystitis and hematuria in
Hemorrhagic diathesis in cattle due to consumption of Adiantopsis chlorophylla (Swartz) Fée (Pteridaceae)
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An outbreak of acute febrile syndrome associated with coagulopathy and severe pancytopenia occurred in cattle grazing in paddocks with high infestation by Adiantopsis chlorophylla. The administration of the plant to a calf reproduced the same signs and lesions seen in spontaneous cases.
Pathological evaluation of Polystichum squarrosum (D. Don) fern in laboratory rats.
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Polystichum squarrosum fern fed (30% w/w) rats showed moderate mortality, decrease in body weight, less body fat and splenomegaly. On post-mortem examination, significant gross lesions were not seen in sacrificed animals. Histopathologically, Polystichum fed rats showed dilated Virchow Robin's space
Magnetic resonance imaging and neurological recovery in acute spinal cord injury: observations from the National Acute Spinal Cord Injury Study 3.
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METHODS
Data are from a multicenter, randomized, double blind clinical trial of acute spinal cord injury.
OBJECTIVE
To evaluate the prognostic value of magnetic resonance imaging (MRI) for randomized patients in the National Acute Spinal Cord Injury Study 3 (NASCIS).
METHODS
Sixteen spinal cord
Risk factors affecting school readiness in premature infants with respiratory distress syndrome.
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OBJECTIVE
With advances in neonatal care, more children born prematurely are successfully reaching school age. It is unknown how many will be ready for school and what factors affect school readiness. Our objective was to assess readiness of children born prematurely for entry into public school,
Restricted versus liberal water intake for preventing morbidity and mortality in preterm infants.
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BACKGROUND
Most premature infants are not sufficiently mature physiologically to take all of their required water and nutrients orally, and so they cannot regulate their own water intake. Thus, the caregiver must determine the amount of water to be given each day to such infants.
OBJECTIVE
The
Restricted versus liberal water intake for preventing morbidity and mortality in preterm infants.
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BACKGROUND
Most premature infants are not sufficiently mature physiologically to take all of their required water and nutrients orally, and so they cannot regulate their own water intake. Thus, the caregiver must determine the amount of water to be given each day to such infants.
OBJECTIVE
The
Umbilical artery catheters in the newborn: effects of catheter design (end vs side hole).
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BACKGROUND
This section is under preparation and will be included in the next issue.
OBJECTIVE
To determine whether the design of an umbilical arterial catheter influences the frequency of ischemic events, aortic thrombosis, intraventricular hemorrhage, mortality or necrotising enterocolitis in
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