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PubMed1986

Isolation of group eugonic fermenter-4 bacteria from a cat with multifocal suppurative pneumonia.

A pure growth of Group Eugonic Fermenter-4 bacteria (gram-negative) was isolated from the lungs of an 11-year-old male domestic cat that had been ill for 2 days before death. Clinical signs included anorexia, severe dyspnea, and salivation. The lungs contained several firm, slightly raised, yellowish-gray, spherical nodules of various sizes. Purulent exudate was found in the pericardial sac and left pleural cavity. Histologic evaluation revealed multifocal suppurative pneumonia.

Animals↗
PubMed1986

Clonidine protection from the toxicity of soman, an organophosphate acetylcholinesterase inhibitor, in the mouse.

Mice pretreated with the centrally active alpha-2 adrenergic agonist, clonidine, were protected from several of the toxic manifestations of soman, an organophosphate acetylcholinesterase inhibitor. The protection resulted in increased survival rates and a reduction in centrally mediated symptoms of soman, including tremor and straub tail, as well as one peripheral muscarinic symptom, excessive salivation. Doses of clonidine between 0.1 and 1 mg/kg, administered between 5 and 40 min before LD80 to LD90 doses of soman, produced significant protection. Pretreatment with atropine (25 mg/kg) also protected against soman toxicity. When atropine was combined with clonidine, the degree of protection afforded by the combination was greater than that predicted for a simple additive effect. Mice protected by atropine from the initial toxicity of soman frequently died within 24 h; no such delayed lethality was observed with protective doses of clonidine. Clonidine noncompetitively inhibited acetylcholinesterase activity in vitro and after in vivo administration at protective doses. At brain concentrations obtained after in vivo administration in protective doses, clonidine also inhibited ligand binding to cortical muscarinic receptors in vitro. The protective effects of clonidine are likely to involve multiple effects, including blockade of acetylcholine release and postsynaptic muscarinic receptors and transient inhibition of acetylcholinesterase.

Acetylcholinesterase↗
PubMed1986

[Pulse therapy in the complex treatment of severe forms of Sjögren's syndrome and disease].

Ten patients with Sjögren's disease and 5 patients with systemic lupus erythematosus combined with Sjögren's syndrome received therapy with high doses of 6-methylprednisolone (pulse-therapy) and cyclophosphamide. Improvement of the stomatological signs of the disease was noted in all the patients: salivation increased, the parotid glands considerably decreased in size, parotiditis recurrences were absent or seldom, and the number of the functioning salivary glands of the lower lip increased. The above therapy showed a positive effect on ophthalmological symptoms of the disease in 5 patients. Combination therapy (6-MP and CP) was effective for the management of such systemic symptoms of SD and SS as arthritis, lymphadenopathy, hepatosplenomegaly, exudative polyserositis, polyneuritis, ulcerative-necrotic vasculitis, cerebrovasculitis, cryoglobulinemic purpura and glomerulonephritis. A significant decrease in the levels of immunoglobulins especially IgA, A-nDNA, cryoglobulins, titers of rheumatoid factors, circulating immune complexes and an increase in the complement were noted in response to therapy.

Adult↗
PubMed1986

Some observations on the toxicosis of isometamidium chloride (samorin) in camels.

Healthy camels were experimentally infected with Trypanosoma evansi and then treated with isometamidium chloride (samorin) at single intravenous doses of 0.5 or 1.0 mg/kg. Five to 10 min after the drug administration, the camels at both dosages showed lacrimation, salivation, trembling, restlessness, frequent urination and defecation, followed by diarrhea. Moreover, the camels at the higher dose showed an unsteady gait for about an hour with hindleg weakness and walking backward. The animals fell to the ground, laid on their sides, and bent their necks into an "S" shaped curve. Three hours after the drug administration all the animals stood up and remained quiet. The treatment increased the concentration of plasma ammonia and total protein. No significant change was found in the plasma bilirubin concentration. Two hours after treatment, the activity of plasma cholinesterase was significantly reduced. The enzyme activity recovered 24 h after drug administration, but was still significantly below the control value. The treatment did not produce statistically significant changes in the hemogram of the infected camels. The results suggest that the drug should not be used clinically against T evansi infection due to its low margin of safety. If the drug is to be used at all in camels, pretreatment with an anticholinergic agent might be considered.

Animals↗
PubMed1986

[Clinical picture of Parkinson disease].

The clinical pattern of symptoms consists of motor disorders (akinesia, tremor, rigor), emotional disorders (depression, abnormal behaviour), autonomic disorders (sweating, salivation, seborrhoea, constipation) and intellectual disorders (bradyphrenia, Alzheimer's dementia)

Affective Symptoms↗
PubMed1987

[Repeated irradiation of recurrent head and neck tumors using hyperthermia].

The authors presented an analysis of immediate and short-term results of therapy of 115 patients on thermoradio- and chemotherapy for recurrent head and neck tumors. Triple irradiation at single focal doses of 10 Gy at one-week intervals between fractions were employed taking into account radioresistance of recurrent tumors. After each session of irradiation the patients received polychemotherapy (cyclophosphamide, vinblastine, methotrexate) for 2 days. Local MWF-hyperthermia was provided before a session of irradiation and during drug administration. Complete or partial tumor regression was noted in 94% of the patients with the resultant improvement in their general status. The 3-year disease-free interval was noted in 41% of the patients. Radiation changes were restricted to atrophy of the skin and mucous membranes and stable disorders of salivation.

Antineoplastic Combined Chemotherapy Protocols↗
PubMed1986

[Chronic intravenous toxicity studies of potassium clavulanate and BRL28500 in dogs].

The chronic toxicity of potassium clavulanate (CVA-K) and BRL28500 were evaluated using dogs in 26-week intravenous administration studies followed by a 5-week off-dose period. The doses for CVA-K and BRL28500 were 10, 20, 50 and 100 mg/kg (p.f.a.), and 80, 160, 320 and 800 mg/kg (p.f.a.) respectively. There were no deaths in either of the groups. For general condition, dogs dosed with CVA-K at 100 mg/kg showed reddening of the skin and mucous membranes, shaking of the head, facial oedema, a decrease in food intake and a reduction in body weight. Also some dogs of the same group showed decreased spontaneous activity, emaciation and signs of dehydration. In the BRL28500 treatment groups, there was reddening of the skin and mucous membranes, vomiting and salivation at 800 mg/kg. Urinalysis of dogs dosed with CVA-K showed occasional dark yellow coloration of the urine. There was also a very weak and equivocal response or positive reaction for protein, occult blood, and urine sugar in some animals at 100 mg/kg. Some dogs dosed with BRL28500 also showed either a very weak and equivocal response or slight positive reaction for occult blood at 320 mg/kg and above, and dark yellow coloration of the urine at 800 mg/kg. Haematological examination of the CVA-K groups showed increases in leukocyte count and platelet count at the highest dose of 100 mg/kg. No haematological abnormalities were noted in any of the BRL28500 groups. Serum biochemical studies of dogs dosed with CVA-K revealed a decrease in total protein at 50 mg/kg and above, and increases in Al-P, total bilirubin, GPT, BUN and creatinine at 100 mg/kg. In the BRL28500 treatment groups, there were increases in total cholesterol and triglyceride at 160 mg/kg and above. In dogs dosed with CVA-K there was an increase in liver weight at 100 mg/kg. Histopathological examination showed a ground glass-like appearance of the hepatocyte cytoplasm and also altered distribution of PAS positive material at 50 mg/kg and above. In the BRL28500 groups, there was an increase in liver weight at 320 mg/kg and above. There were the same ground glass-like appearance in hepatocytes and altered distribution of PAS positive material at 800 mg/kg. In view of the above results, the maximum non-effect dose levels in the present studies were considered to be 20 mg/kg for CVA-K and 80 mg/kg for BRL28500.(ABSTRACT TRUNCATED AT 400 WORDS)

Animals↗
PubMed1987

[Dominantly inherited lower lip fistulas and facial clefts (Van der Woude syndrome). A study of 52 cases].

Congenital lip pits may occur alone or in combination with oral clefts. They characteristically present as symmetric pits close to the vermilion border of the lower lip, about 0.5 cm off the midline, and are usually connected with heterotopic salivary glands; occasionally, salivation may occur. Congenital lip pits are associated with clefts of the upper lip and/or the palate in about half of the cases. Hypodontia may also be observed. Lip pits with or without clefts are found in a few dominantly inherited syndromes, in most cases involving the autosomal dominant Van der Woude syndrome. 52 carriers of the Van der Woude gene are described. In 8 cases the syndrome occurred as a fresh mutation and the other 44 cases occurred in 5 families. Penetrance was complete and expression very variable. Sex distribution was 1:1. For genetic counselling purposes it can be concluded that all carriers of the Van der Woude gene can be identified. Every symptom (pits, micro-pits, cleft, submucous clefts, uvula bifida) may represent the only manifestation of the gene. The recurrence risks for offspring of gene carriers is 50%, but the risk of severe forms of cleft is much lower.

Adult↗
PubMed1985

Masticatory ability in patients with removable dentures. A clinical study of masticatory efficiency, subjective experience of masticatory performance and dietary intake.

One of the functions of the masticatory system is to grind the food, salivate and prepare it for swallowing. Individuals who have lost many teeth or wear removable dentures, both complete and partial, find it more difficult to grind food i.e. they suffer from impaired masticatory efficiency (ME). Some of these subjects have to avoid food-stuffs which are hard and difficult to chew. This could influence the social well-being and may eventually lead to an increased risk of malnutrition. Many different methods have been used to evaluate ME. In most of them the degree to which the masticated food or test material was broken down was measured by fractionating the particles in a sieve system. However, one of the purposes of chewing the food is to enlarge the surface area to be exposed to the digestive juices. A few authors have applied this idea and have calculated ME using the summarized area of the masticated test material. This is physiologically a more correct method. ME was investigated in 19 complete denture wearers who were fitted with new dentures. The subjects were tested twice with the old dentures and 5 times with the new ones. The last test took place about 18 months after insertion of the new dentures. The test material was gelatin hardened with formalin. The breakdown of test material was calculated by fractionating it in a sieve system. ME was also evaluated in two other groups, 43 complete denture wearers, who were in need of new dentures, and 19 subjects who were in need of RPDs in the lower jaw. In these two studies ME was evaluated in two ways. Firstly the summarized area of masticated gelatin particles was calculated and used as a measure of ME. Secondly almonds were used as test material and the breakdown was calculated by fractionating in a sieve system. The subjects were tested on three occasions, before prosthetic treatment and about one and four months after insertion of the dentures. On the first and last occasions the subjective experience of masticatory performance was assessed as well as the dietary intake. The results revealed no systematic change in ME when the 19 subjects were fitted with new complete dentures and when the breakdown of the test material was evaluated by fractionating it in a sieve system.(ABSTRACT TRUNCATED AT 400 WORDS)

Adolescent↗
PubMed1985

Clinical, laboratory, and environmental features of infant botulism in Southeastern Pennsylvania.

Forty-four cases of botulism occurred in infants in Southeastern Pennsylvania between 1976 and 1983. Forty-three were caused by Clostridium botulinum type B. Progressive weakness necessitated ventilatory support in 39 infants. Complications during hospitalization included otitis media in 13 patients and aspiration pneumonia in 11. Eight infants developed the syndrome of inappropriate secretion of antidiuretic hormone and two developed adult respiratory distress syndrome. One infant died of progressive bradycardia despite adequate control of ventilation. Manifestations of autonomic nervous system dysfunction recognized on admission to the hospital were constipation, distention of the urinary bladder, and decreased salivation and tearing. During hospitalization, some infants had unexpected fluctuations of skin color, blood pressure, and heart rate. Infants' strength improved despite persistent intestinal elaboration of toxin. C botulinum was isolated from seven of nine home or work environments sampled. All 44 infants were white and were receiving breast milk at the time of onset of symptoms. The majority had first feedings of nonhuman food substances within 4 weeks prior to onset of symptoms. Delineation of fecal flora in seven infants revealed predominance of enterobacteriaceae. Perturbations of intestinal flora during infancy, especially at weaning, may cause transient permissiveness to colonization by C botulinum.

Botulinum Toxins↗
PubMed1985

Ketamine in dogs.

The cardiopulmonary consequences of ketamine (10 mg/kg, IV) were evaluated in 18 dogs. Heart rate, cardiac output, systemic blood pressure, left ventricular work, oxygen transport, oxygen consumption, carbon dioxide production, and core temperature increased. Breathing rate, minute ventilation, and arterial partial pressure of oxygen transiently decreased. Arterial partial pressure of carbon dioxide, alveolar-arterial oxygen gradient, and venous admixture transiently increased. The duration of action of ketamine for surgical anesthesia was short. Muscle tone and salivation were excessive, and spontaneous muscular activity was prominent.

Animals↗
PubMed1986

Investigations into the paralysis-inducing ability of Rhipicephalus evertsi mimeticus and that of hybrids between this subspecies and Rhipicephalus evertsi evertsi.

Studies performed on sheep showed that Rhipicephalus evertsi mimeticus is a paralysis-competent tick species whose toxicity is either the same as, or only slightly less than that of R.e. evertsi. It was also proved that the paresis or paralysis induced by the mimeticus females is characterized by a constant incubation period which is independent of the tick infestation rate and body mass of the host, and consequently of its age. This period is entirely determined by the state of repletion of the ticks and is regulated by the date of mating. It was further proved that a precise relationship exists between an increase of engorgement or salivation activity and the intensity as well as the persistence of clinical symptoms. Thus only female ticks in the mass range of 15-21 mg are toxic. Strain-dependent differences could not be demonstrated. The infestation rates of subspecific hybrid female ticks, and of their descendants, that are necessary to produce the respective symptoms showed no differences in toxicity. When infestations were limited to a small skin area minimum paresis could frequently not be induced, even though the actual number of ticks applied was sufficient to cause lethal paralysis.

Animals↗
PubMed1985

Levamisole toxicosis in swine.

Levamisole toxicosis occurred in swine in a commercial swine operation after the animals were mistakenly injected intramuscularly with levamisole. Clinical signs consisted of vomition, salivation, ataxia, recumbency and death. Surviving animals recovered completely within 24 to 48 hr.

Animals↗
PubMed1985

Comparative studies of the effects of quinuronium sulfate and diminazene diaceturate in sheep.

Biochemical parameters in 20 sheep were investigated following administration of quinuronium sulfate or diminazene diaceturate. The usual signs of salivation, micturition, anorexia, depression, muscular tremors and ataxia were observed within 20 min in sheep receiving therapeutic and double doses of quinuronium sulfate. There was an increased dose dependent plasma LDH activity above baseline values following administration of quinuronium sulfate and a non-dose dependent increased trend in diminazene diaceturate treatment. Plasma CK activity had an increased trend (p less than 0.05) above baseline values following administration of the two babesicides. Plasma BUN levels increased significantly (p less than 0.05) following administration of the two drugs. This study indicated that quinuronium sulfate is more organotoxic and hypotensive than diminazene diaceturate at therapeutic and/or above therapeutic dosages.

Amidines↗
PubMed1979

[Clinical use of ketamine-xylazine for anaesthesia in the cat (author's transl)].

Based on experiences from anaesthesia of approximately 7000 cats in a four year period the effects of a combination of 20--25 mg/kg Ketamine and 0.5 mg/kg Xylazine given i/m are described. In the present study the Xylazine has been applied in considerably lower doses, compared with previous reports on these drugs, and this change has reduced the unwanted side effects, without at the same time reducing the effect on the muscular tension and the psychical disturbances induced by the Ketamine. Ketamine and Xylazine were given in one injection after being taken in the named sequence and mixed in the syringe. Indication for anaesthetizing the cats were, besides routine surgery in the out-patient clinic, operations of weakened animals for pyometra, foreign bodies, intestinal invaginations with and without resection, removal of abdominal tumors and urolithiasis. Animals with impared liver function were not anaesthetized with these drugs due to the important role of liver metabolism in their excretion. In spite of the fact that the corneal and laryngeal reflexes normally persist, the combination of the two drugs allowed surgery in these organs after application of local anaesthetics as an extra precaution. Premedication with atropine has not been used routinely, and still only very few cases of increased salivation or vomiting have been observed. Aspiration has not been a complication and in the whole material, only 3 deaths have occurred, none of them with a specific post mortem finding besides shock. In these 3 cases the patient died later than 45 minutes after the injection and after ended surgery. Side effects ascribed to phenomena of interaction have not been observed. One cat was anaesthetized a number of times during pregnancy without any effect on the cat or its kittens. It is concluded, that the Ketamine/Xylazine combination, when mixed as prescribed gives a very safe and pleasant narcosis, and that side effects are minimized, if the corneas are moistened with an ophthalmic ointment and the patient is allowed to recover in dark and quiet surroundings.

Anesthesia, General↗
PubMed1979

Behavioral and biochemical effects of para-methoxyphenylethylamine.

p-methoxyphenlethylamine (p-MPEA) induces the "serotonin syndrome" in mice which consists of lateral head weaving, Straub tail, hindlimb abduction, tremor, hyperactivity, reciprocal fore-paw treading, salivation and piloerection. These p-MPEA-induced behavioral signs were partially prevented by pretreatment with serotonin (5HT) uptake blockers (fluoxetine, chlorimipramine, Org 6582) and 5HT receptor blockers (methiothepin, methysergide, cinnanserin) but not by two depletors of brain 5HT (p-chlorophenylalanine, reserpine). p-MPEA selectively released 5HT and inhibited 5HT uptake from mouse whole brain synaptosomes. The concentrations of both 5HT and 5-hydroxyindoleacetic acid (5HIAA) in whole mouse brain were increased at 1 and 2 hours after injection of p-MPEA (50 mg/kg). The effect of p-MPEA on displacement of specific tritiated 5HT binding to membranes from mouse brain was considerably less than that of p-chlorophenylethylamine (p-CPEA), p-methoxytryptamine (pMT) and quipazine. Thus p-MPEA may induce the "serotonin syndrome" predominantly by releasing 5HT from presynaptic nerve terminals.

Animals↗
PubMed1979

Surgical procedure for exposure of the chorda tympani in dogs: a ventral approach.

An experimental neuroanatomic investigation of the innervation of the dog's tongue by the method of retrograde axonal transport of horseradish peroxidase required that chorda tympani neurectomy be performed in neonatal pups. Surgical exposure and transection of the chorda tympani proximal to its union with the lingual branch of the mandibular nerve in the past has been accomplished by radical lateral approach which is suited only for acute experimentation. This report describes a ventral surgical exposure of the extracranial portion of the chorda tympani in the dog. This surgical procedure permits long-term survival and is considered especially useful for the chronic neuroanatomic and neurophysiologic investigations on the role of the chorda tympany in taste, salivation and lingual vasodilation in the dog.

Animals↗

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