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1.
Molly Patterson Nigel Caulkett Peter Neuhaus Kirby Pasloske Kathreen Ruckstuhl 《Veterinary anaesthesia and analgesia》2021,48(4):537-540
ObjectiveTo quantify induction time, reliability, physiological effects, recovery quality and dart volume of a novel formulation of alfaxalone (40 mg mL?1) used in combination with medetomidine and azaperone for the capture and handling of wild bighorn sheep.Study designProspective clinical study.AnimalsA total of 23 wild bighorn sheep (Ovis canadensis) in Sheep River Provincial Park, AB, Canada.MethodsFree-ranging bighorn sheep were immobilized using medetomidine, azaperone and alfaxalone delivered with a remote delivery system. Arterial blood was collected for measurement of blood gases, physiologic variables (temperature, heart and respiratory rates) were recorded and induction and recovery length and quality were scored.ResultsData from 20 animals were included. Administered dose rates were alfaxalone (0.99 ± 0.20 mg kg?1; 40 mg mL?1), azaperone (0.2 ± 0.04 mg kg?1; 10 mg mL?1) and medetomidine (0.16 ± 0.03 mg kg?1; 30 mg mL?1). The mean drug volume injected was 1.51 mL. The median (range) induction time was 7.7 (5.8–9.7) minutes, and recovery was qualitatively smooth.Conclusions and clinical relevanceAn increased concentration formulation of alfaxalone was administered in combination with medetomidine and azaperone, and resulted in appropriate anesthesia for the capture and handling of bighorn sheep. The dart volume was small, with potential for reducing capture-related morbidity. 相似文献
2.
OBJECTIVE: To determine the efficacy of trilostane, a 3beta-hydroxysteroid dehydrogenase inhibitor, in dogs with pituitary-dependent hyperadrenocorticism (PDH). ANIMALS: 11 dogs with PDH. PROCEDURE: The initial dose of trilostane was 30 mg, PO, q 24 h for dogs that weighed < 5 kg and 60 mg, PO, q 24 h for dogs that weighed > or = 5 kg. A CBC count, serum biochemical analyses, urinalysis, ACTH stimulation test, and ultrasonographic evaluation of the adrenal glands were performed in each dog 1, 3 to 4, 6 to 7, 12 to 16, and 24 to 28 weeks after initiation of treatment. RESULTS: All dogs responded well to treatment. All had reductions in polyuria-polydipsia and panting and an increase in activity. Polyphagia decreased in 9 of 10 dogs, and 9 of 11 dogs had improvement of coat quality and skin condition. Concentration of cortisol after ACTH stimulation significantly decreased by 1 week after initiation of treatment. After treatment for 6 months, clinical signs resolved in 9 dogs. In the other 2 dogs, marked clinical improvement was reported for 1 dog, and moderate improvement was reported in the other dog. Ultrasonographically, there was a considerable change in the parenchyma and an increase in size of the adrenal glands. Adverse effects consisted of 1 dog with transient lethargy and 1 dog with anorexia. CONCLUSIONS AND CLINICAL RELEVANCE: Trilostane is an efficacious and safe medication for treatment of dogs with PDH. Additional studies in a larger group of dogs and characterization of progressive changes in adrenal glands are needed. 相似文献
3.
Two Siberian Huskies were presented because of anorexia, chronic diarrhoea, polydipsia and polyuria. The most significant clinical finding was a severe dehydration. Laboratory results showed severe electrolyte disturbances with sodium: potassium ratios of 13.2 and 15.4, respectively. Hypoadrenocorticism could be excluded in both dogs with an ACTH stimulation test. The plasma aldosterone concentrations before and after stimulation were very high, which might be due to a stimulation by the electrolyte disturbances. The final diagnosis was an infection with the whipworm Trichuris vulpis and secondary pseudohypoadrenocorticism. A life-threatening dehydration syndrome with hyponatremia, hyperkalemia and metabolic acidosis due to intestinal parasitism has been reported in earlier studies. Up till now sodium: potassium ratios less than 14, however, have only been seen in animals with Morbus Addison. The severe hyperkalemia in these dogs might be due to a particular sensitivity in this breed. 相似文献
4.
Urinary and Plasma Catecholamines and Metanephrines in Dogs with Pheochromocytoma,Hypercortisolism, Nonadrenal Disease and in Healthy Dogs
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E. Salesov F.S. Boretti N.S. Sieber‐Ruckstuhl K.M. Rentsch B. Riond R. Hofmann‐Lehmann P.R. Kircher E. Grouzmann C.E. Reusch 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2015,29(2):597-602
Background
Diagnosis of pheochromocytoma (PC) is based on a combination of clinical suspicion, finding an adrenal mass, increased plasma, and urine concentrations of catecholamine metabolites and is finally confirmed with histopathology. In human medicine, it is controversial whether biochemically testing plasma is superior to testing urine.Objectives
To measure urinary and plasma catecholamines and metanephrines in healthy dogs, dogs with PC, hypercortisolism (HC), and nonadrenal diseases (NAD) and to determine the test with the best diagnostic performance for dogs with PC.Animals
Seven PC dogs, 10 dogs with HC, 14 dogs with NAD, 10 healthy dogs.Methods
Prospective diagnostic clinical study. Urine and heparin plasma samples were collected and stored at −80°C before analysis using high‐pressure liquid chromatography (HPLC) coupled to electrochemical detection or tandem mass spectrometry were performed. Urinary variables were expressed as ratios to urinary creatinine concentration.Results
Dogs with PC had significantly higher urinary normetanephrine and metanephrine : creatinine ratios and significantly higher plasma‐total and free normetanephrine and plasma‐free metanephrine concentrations compared to the 3 other groups. There were no overlapping results of urinary normetanephrine concentrations between PC and all other groups, and only one PC dog with a plasma normetanephrine concentration in the range of the dogs with HC and NAD disease. Performances of total and free plasma variables were similar. Overlap of epinephrine and norepinephrine results between the groups was large with both urine and plasma.Conclusion and clinical importance
Measurement of normetanephrine is the preferred biochemical test for PC and urine was superior to plasma. 相似文献5.
6.
Raymond N. Yong Benno P. Warkentin Yuwaree Phadungchewit Rosa Galvez 《Water, air, and soil pollution》1990,53(1-2):53-67
The link between buffer capacity and the ability of clays to retain Pb in interactions between Pb contaminant leachate and the clays, has been studied, using a natural clay from Quebec and laboratory-prepared clays (kaolinite, illite, and smectite). The retention of Pb in the clay suspensions as they received increasing amounts of acid was investigated, and the results examined in terms of the buffer capacity of the clays. As the clays receive increasing amounts of acid (e.g. akin to addition of acid leachate), high amounts of Pb can be retained if the buffer capacity prevents the pH from dropping to values where precipitation mechanisms are not operative. The high carbonate content in the illite gave it a higher buffer capacity than the smectite and natural clay, and permitted it to retain high amounts of Ph. High Pb uptake by the clays can affect the buffer capacity and the Pb retention capacity. 相似文献
7.
8.
Denzin N Schliephake A Ewert B 《Berliner und Münchener tier?rztliche Wochenschrift》2005,118(9-10):404-409
Between 1998 and 2004 1341 Red Foxes from 611 locations were examined parasitologically for Echinococcus multilocularis at the State Office of Consumer Protection Saxony-Anhalt. Examination was carried out in parallel to rabies monitoring. A period-prevalence of 9.2% of infestation was found. Employing a Scan Statistic a large area in the southwest of the federal state and two smaller areas of increased risk with respect to infestation with Echinococcus multilocularis were identified. The hypothesis of a negative association of the probability of infestation with the average annual maximum temperature of the location where the foxes were shot was supported by logistic regression analysis. A decreased probability of inactivation of Echinococcus multilocularis-oncospheres through heat and desiccation in areas of lower average annual maximum temperature seems to be likely.Thus, the infection pressure increases with reduced temperatures. 相似文献
9.
Y Benno T Mitsuoka 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》1992,54(5):1039-1041
The plate-in-bottle method of Mitsuoka et al. (1969) for the counting of fecal bacteria in beagle dogs was superior to an anaerobic jar method. Comparisons of three nonselective media, such as medium 10 supplemented with 10% cecal extract of dogs (designated as M10C), M10 with 10% fecal extract of dogs (M10F), and M10, by the plate-in-bottle method indicated that the visible bacterial counts for M10C were higher than those for M10 and M10F. The high percentage (18.4%) of numbers of the extremely oxygen-sensitive anaerobes to the fecal total counts by using the plate-in-bottle method with M10C was also observed. 相似文献
10.