Pharmacology and toxicology of carbon tetrachloride in the sheep. IV. Reduction and augmentation of toxicity by selenium

1967 ◽  
Vol 18 (4) ◽  
pp. 667
Author(s):  
AC Kondos ◽  
GL McClymont
Keyword(s):  
Carbon Tetrachloride ◽  
Oral Administration ◽  
Fasciola Hepatica ◽  
Clinical Signs ◽  
Field Tests ◽  
High Protein Diet ◽  
Intramuscular Dose ◽  
History Of ◽  
Ccl4 Poisoning ◽  
Oral Doses

Susceptibility of sheep to toxic effects of carbon tetrachloride (CCl4) was assessed by determining the increase in plasma levels of isocitric dehydrogenase (ICD) and glutamic transaminase (GOT) and by other criteria. Susceptibility was increased by oral administration of 1 mg of selenium (Se) as sodium selenite plus 100 i.u. of tocopherol acetate on alternate days for 120 days, 2 mg Se per day for 21 days, and 6 mg Se per day for 6 days, before dosing with CCl4. Susceptibility was reduced by smaller total amounts of Se, and by oral doses of 6 mg Se per day for 3 days, a single oral or intramuscular dose of 5 or 12 mg c. 20 hr, or 5 or 12 mg orally 10–20 min, before dosing with CCl4. One 5 mg dose at 20 hr and a second 20 min before CCl4 was more effective than either alone. Sheep from two different sources differed considerably in their susceptibility to CCl4. In the more susceptible sheep Se administration reduced susceptibility to a level comparable with that shown by the naturally resistant animals. Administration of Se to sheep dosed with CCl4 and then given a high-protein diet resulted in lower GOT levels, milder clinical signs, and a great reduction in mortality. In field tests on properties with a recent history of CCl4 poisoning, oral administration of 5 mg Se about 20 min before CCl4 significantly reduced susceptibility. Administration of Se to fluke-infested sheep did not protect the liver fluke (Fasciola hepatica) against CCl4.

Corrigendum - Pharmacology and toxicology of carbon tetrachloride in the sheep. IV. Reduction and augmentation of toxicity by selenium.

1967 ◽  
Vol 18 (4) ◽  
pp. 667
Author(s):  
AC Kondos ◽  
GL McClymont
Keyword(s):  
Carbon Tetrachloride ◽  
Oral Administration ◽  
Fasciola Hepatica ◽  
Clinical Signs ◽  
Field Tests ◽  
High Protein Diet ◽  
Intramuscular Dose ◽  
History Of ◽  
Ccl4 Poisoning ◽  
Oral Doses

Susceptibility of sheep to toxic effects of carbon tetrachloride (CCl4) was assessed by determining the increase in plasma levels of isocitric dehydrogenase (ICD) and glutamic transaminase (GOT) and by other criteria. Susceptibility was increased by oral administration of 1 mg of selenium (Se) as sodium selenite plus 100 i.u. of tocopherol acetate on alternate days for 120 days, 2 mg Se per day for 21 days, and 6 mg Se per day for 6 days, before dosing with CCl4. Susceptibility was reduced by smaller total amounts of Se, and by oral doses of 6 mg Se per day for 3 days, a single oral or intramuscular dose of 5 or 12 mg c. 20 hr, or 5 or 12 mg orally 10–20 min, before dosing with CCl4. One 5 mg dose at 20 hr and a second 20 min before CCl4 was more effective than either alone. Sheep from two different sources differed considerably in their susceptibility to CCl4. In the more susceptible sheep Se administration reduced susceptibility to a level comparable with that shown by the naturally resistant animals. Administration of Se to sheep dosed with CCl4 and then given a high-protein diet resulted in lower GOT levels, milder clinical signs, and a great reduction in mortality. In field tests on properties with a recent history of CCl4 poisoning, oral administration of 5 mg Se about 20 min before CCl4 significantly reduced susceptibility. Administration of Se to fluke-infested sheep did not protect the liver fluke (Fasciola hepatica) against CCl4.

scholarly journals Acute renal failure in an adult cat following oral administration of fosfomycin

2018 ◽  
Vol 4 (2) ◽  
pp. 205511691878660
Author(s):  
Yohei Sakai ◽  
Toshinori Yoshida ◽  
Makoto Shibutani ◽  
Keitaro Ohmori
Keyword(s):  
Renal Failure ◽  
Acute Renal Failure ◽  
Oral Administration ◽  
Clinical Signs ◽  
Infusion Therapy ◽  
Histopathological Analysis ◽  
Tubular Necrosis ◽  
History Of ◽  
Adult Cat ◽  
Adult Cats

Case summary A spayed female mixed breed cat of unknown age (presumably more than 9 years old), weighing 2.9 kg, was presented with a 4 day history of lethargy, anorexia and vomiting following oral administration of calcium fosfomycin (20 mg/kg q12h). A serum biochemical analysis revealed a dramatic increase in the levels of blood urea nitrogen (>140 mg/dl) and creatinine (15.3 mg/dl), and hypercalcaemia (13.1 mg/dl), hyperphosphataemia (13.3 mg/dl) and hyperkalaemia (6.1 mmol/l). The cat was hospitalised and treated with infusion therapy. However, the renal function and clinical signs did not improve with any treatment. The cat was euthanased upon the owner’s request. Histopathological analysis of the kidneys revealed acute tubular necrosis in the cortex. Relevance and novel information The present case report provides, for the first time, clinical and histopathological evidence for acute renal failure induced by oral administration of fosfomycin in an adult cat. It is highly advisable that fosfomycin should not be used in either young or adult cats.

Intraocular tuberculosis, a challenge in diagnosis and treatment

2020 ◽  
Vol 3 ◽  
pp. 4
Author(s):  
Martina Larroude ◽  
Gustavo Ariel Budmann
Keyword(s):  
Developing Countries ◽  
Clinical Signs ◽  
Steady Increase ◽  
Ocular Tuberculosis ◽  
Industrial Countries ◽  
Choroidal Granuloma ◽  
History Of ◽  
And Migration ◽  
Ocular Tb

Ocular tuberculosis (TB) is an extrapulmonary tuberculous condition and has variable manifestations. The incidence of TB is still high in developing countries, and a steady increase in new cases has been observed in industrial countries as a result of the growing number of immunodeficient patients and migration from developing countries. Choroidal granuloma is a rare and atypical location of TB. We present a case of a presumptive choroidal granuloma. This case exposes that diagnosis can be remarkably challenging when there is no history of pulmonary TB. The recognition of clinical signs of ocular TB is extremely important since it provides a clinical pathway toward tailored investigations and decision making for initiating anti-TB therapy and to ensure a close follow-up to detect the development of any complication.

Surgical management of choke through oesophagotomy in a buffalo: A case report

2017 ◽  
Vol 12 (3) ◽  
Author(s):  
Devasee Borakhatariya ◽  
A. B. Gadara
Keyword(s):  
Case Report ◽  
Surgical Management ◽  
Clinical Presentation ◽  
Clinical Signs ◽  
Thoracic Inlet ◽  
Cervical Oesophagus ◽  
Foreign Objects ◽  
History Of ◽  
Oesophageal Obstruction ◽  
Large Animals

Oesophageal disorders are relatively uncommon in large animals. Oesophageal obstruction is the most frequently encountered clinical presentation in bovine and it may be intraluminal or extra luminal (Haven, 1990). Intraluminal obstruction or “choke” is the most common abnormality that usually occurs when foreign objects, large feedstuff, medicated boluses, trichobezoars, or oesophageal granuloma lodge in the lumen of the oesophagus. Oesophageal obstructions in bovine commonly occur at the pharynx, the cranial aspect of the cervical oesophagus, the thoracic inlet, or the base of the heart (Choudhary et al., 2010). Diagnosis of such problem depends on the history of eating particular foodstuff and clinical signs as bloat, tenesmus, retching, and salivation

scholarly journals L2HGDH Missense Variant in a Cat with L-2-Hydroxyglutaric Aciduria

Genes ◽  
2021 ◽  
Vol 12 (5) ◽  
pp. 682
Author(s):  
Matthias Christen ◽  
Nils Janzen ◽  
Anne Fraser ◽  
Adrian C. Sewell ◽  
Vidhya Jagannathan ◽  
...  
Keyword(s):  
Current Knowledge ◽  
Genetic Defect ◽  
Clinical Signs ◽  
Missense Variant ◽  
Microcytic Anemia ◽  
Abnormal Behavior ◽  
Functional Candidate Gene ◽  
History Of ◽  
The Brain ◽  
Hydroxyglutaric Acid

A 7-month-old, spayed female, domestic longhair cat with L-2-hydroxyglutaric aciduria (L-2-HGA) was investigated. The aim of this study was to investigate the clinical signs, metabolic changes and underlying genetic defect. The owner of the cat reported a 4-month history of multiple paroxysmal seizure-like episodes, characterized by running around the house, often in circles, with abnormal behavior, bumping into obstacles, salivating and often urinating. The episodes were followed by a period of disorientation and inappetence. Neurological examination revealed an absent bilateral menace response. Routine blood work revealed mild microcytic anemia but biochemistry, ammonia, lactate and pre- and post-prandial bile acids were unremarkable. MRI of the brain identified multifocal, bilaterally symmetrical and T2-weighted hyperintensities within the prosencephalon, mesencephalon and metencephalon, primarily affecting the grey matter. Urinary organic acids identified highly increased levels of L-2-hydroxyglutaric acid. The cat was treated with the anticonvulsants levetiracetam and phenobarbitone and has been seizure-free for 16 months. We sequenced the genome of the affected cat and compared the data to 48 control genomes. L2HGDH, coding for L-2-hydroxyglutarate dehydrogenase, was investigated as the top functional candidate gene. This search revealed a single private protein-changing variant in the affected cat. The identified homozygous variant, XM_023255678.1:c.1301A>G, is predicted to result in an amino acid change in the L2HGDH protein, XP_023111446.1:p.His434Arg. The available clinical and biochemical data together with current knowledge about L2HGDH variants and their functional impact in humans and dogs allow us to classify the p.His434Arg variant as a causative variant for the observed neurological signs in this cat.

scholarly journals The application of a new laminitis scoring method to model the rate and pattern of improvement from equine endocrinopathic laminitis in a clinical setting

2021 ◽  
Vol 17 (1) ◽  
Author(s):  
A. Meier ◽  
J. McGree ◽  
R. Klee ◽  
J. Preuß ◽  
D. Reiche ◽  
...  
Keyword(s):  
Best Practice ◽  
Clinical Status ◽  
Clinical Signs ◽  
Scoring Method ◽  
Pain Medications ◽  
Exponential Decay Model ◽  
History Of ◽  
Consistent Method ◽  
Foot Disease ◽  
New Treatments

Abstract Background Endocrinopathic, or hyperinsulinaemia-associated laminitis (HAL) is a common and debilitating equine foot disease, and although no pharmacological treatments are registered, several are under development. To evaluate the effect of such treatments, an accurate and consistent method is needed to track the clinical signs of laminitis over time, and the natural history of the disease, in terms of a ‘normal’ pattern of improvement, needs to be understood. This study examined the improvement pattern in clinical cases of naturally-occurring HAL subjected to a range of best-practice interventions, using two different scoring methods. Eighty horses and ponies with suspected HAL were enrolled in a study conducted at 16 veterinary practices across Germany. The severity of laminitis was assessed by independent veterinarians using both the traditional Obel method and a modified Obel method developed by Meier and colleagues. Assessments were made on the day of diagnosis (d 0), then on days 4, 9, 14, 25 and 42 during the intervention period. Pain medications were withheld for 24 h prior to clinical examination in all cases. Results Time to marked improvement from laminitis varied between individuals, but was difficult to monitor accurately using the Obel method, with the median grade being 2/4 on days 0 and 4, then 0/4 from d 9 onwards. More subtle changes could be identified using the Meier method, however, and the median scores were seen to follow the form of an exponential decay model in most horses, improving from 8/12 on d 0, to 0/12 on d 25. Within this composite scoring method, considerable variation was observed in the rate of improvement of individual clinical signs, with the average time taken for each sign to reach a median score of 0 ranging from 4 days (foot lift and weight shifting) to 25 days (gait when turned in a circle) across all 80 horses. Conclusions The Meier method provides a reliable and consistent method for monitoring the clinical status of horses with HAL, and despite the variability, the pattern of improvement described here should provide a useful benchmark against which individual cases and new treatments can be assessed.

Phlegmonous gastritis in 2 yearling horses

2022 ◽  
pp. 104063872110650
Author(s):  
Julie B. Engiles ◽  
Francisco A. Uzal ◽  
Mauricio A. Navarro ◽  
Virginia B. Reef ◽  
Susan J. Bender
Keyword(s):  
Clinical Signs ◽  
Poor Response ◽  
Abdominal Ultrasound ◽  
Mucosal Injury ◽  
Response To Treatment ◽  
Bacterial Populations ◽  
Proliferative Enteropathy ◽  
Mucosal Involvement ◽  
Phlegmonous Gastritis ◽  
History Of

Phlegmonous gastritis was diagnosed in 2 yearling fillies that were presented with a 1-wk history of fever, lethargy, and hypoproteinemia, associated with a previous diagnosis of equine proliferative enteropathy based on clinical signs and PCR assay detection of Lawsonia intracellularis in fecal samples. Abdominal ultrasound revealed enlargement of the stomach and expansion of its submucosal layer with hypoechoic fluid, as well as thickened hypomotile small intestinal segments. Given the poor prognosis and poor response to treatment, both horses were euthanized, one on the day of presentation and the other after 3 wk of intensive medical management including a combination of antimicrobials, analgesics, and intravenous colloids. At autopsy, acute mural gastritis characterized by severe submucosal edema with suppurative inflammation (i.e., phlegmonous gastritis) and necroulcerative enteritis compatible with the necrotizing form of equine proliferative enteropathy were identified in both horses. The gastric inflammation was associated with thrombosis and mixed bacterial populations, including Clostridium perfringens, that were confined to the submucosa without evidence of mucosal involvement; toxin genes compatible with C. perfringens type C were identified in one case. Human phlegmonous gastritis is an uncommon, often-fatal pyogenic infection that is often associated with mucosal injury, bacteremia, or immunocompromise. Our finding of this unusual gastric lesion in 2 horses with similar signalment, clinical disease, and spectrum of postmortem lesions suggests a similar etiopathogenesis that possibly involves local, regional, or distant hematogenous origin, and should be considered a potential complication of gastrointestinal mucosal compromise in horses.

REGROWTH AND OVERGROWTH OF THE THYMUS AFTER ATROPHY INDUCED BY THE ORAL ADMINISTRATION OF ADRENOCORTICOSTEROIDS TO HUMAN INFANTS

PEDIATRICS ◽  
1960 ◽  
Vol 26 (5) ◽  
pp. 762-770
Author(s):  
John Caffey ◽  
Robert Silbey
Keyword(s):  
Oral Administration ◽  
Cardiac Catheterization ◽  
Clinical Signs ◽  
Signs And Symptoms ◽  
Human Infants ◽  
Cardiac Image ◽  
Rapid Regrowth

The oral administration of adrenocorti-costeroids provokes rapid atrophy of the thymus which is followed consistently, after stoppage of the steroid, by rapid regrowth of the thymus and, in some cases, over-growth. Steroid-induced shrinkage of the thymus makes possible visualization of the true cardiac image which is often masked by the overlapping lobes of a large thymus. Such shrinkage may prevent the spurious diagnosis of cardiomegaly, and the use of more elaborate and hazardous methods such as opaque angiocardiography and cardiac catheterization. Steroid shrinkage of the thymus is indicated only in patients who have cardiac signs and symptoms combined with enlarged deformed mediastinums in which the true cardiac image cannot be seen radiographically. Steroid shrinkage is not indicated in patients who have cardiac signs and symptoms combined with small mediastinums, or in patients who have large mediastinums without cardiac signs and symptoms. Steroid shrinkage should not be tried when there are other factors which suggest greater than the probable benefits to be derived from their use. Massive rapid regrowth of the thymus following steroid-inducing atrophy was not associated with clinical signs or symptoms in any of our cases.

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