Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0011570 (depression)
 172,036 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The early stages of heatstroke in 3 dogs were characterized by hyperthermia, hyperpnea, tachycardia, depression, vomiting, diarrhea, and dehydration. Laboratory signs of hepatocyte degeneration and necrosis were detected. Clinical and laboratory changes characteristic of acute primary renal failure developed several days after overheating. After symptomatic and supportive therapy, 2 of the dogs regained a sufficient degree of renal function to cause remission of signs of renal failure.
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PMID:Heatstroke in the dog: a polysystemic disorder. 84 81

Urethral obstruction induced in adult male cats caused clinical signs identical with those observed in naturally occurring disease. Central nervous system depression, anorexia, dehydration, vomiting, muscle weakness, and hypothermia occurred. Weight loss (due to water loss and catabolism), metabolic acidosis, mild hyponatremia, hyperkalemia, hypermagnesemia, hypocalcemia, hyperphosphatemia, hyperglycemia, azotemia, and hyperproteinemia were also observed. Serum amylase, alkaline phosphatase, and alanine aminotransferase activities were normal. Ten of 13 cats (group 1), with 72 hours' induced obstruction but not treated with parenteral fluids, died either before the obstruction was relieved or within 8 days afterward. Eight cats (group 2) with induced obstruction for 49 to 98 hours developed severe clinical and biochemical alterations. Treatment with a multiple-electrolyte solution, in addition to relief of urethral obstruction, resulted in favorable clinical and biochemical responses. These cats survived and were clinically healthy at 9 to 10 days after relief of obstruction. It was concluded that use of a multiple-electrolyte solution to correct acidosis, restore circulatory volume, and enhance renal excretion of potassium was effective supportive therapy after urethral obstruction was removed.
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PMID:Characterization and treatment of water, electrolyte, and acid-base imbalances of induced urethral obstruction in the cat. 87 80

The clinical and pathologic findings in a case of feline infectious peritonitis (FIP) in a 1-year-old male cat are described. The cat had been sick for about 3 weeks and presented itself clinically with depression, anorexia, dehydration, mild icterus and acites and a temperature of 39.5 degrees C. The sedimentation rate was elevated to 80 mm/30 min. An exploratory laparotomy was performed and ascitic fluid, found to be bacteriologically sterile, was collected. Pathologically, lesions involved both abdominal and thoracic serious membranes and viscera, especially the liver. They ranged from acute, focal necrosis or fibrino-necrotic changes to proliferative inflammation mainly characterized by infiltration with mononuclear cells. An identical disease was produced experimentally by intraperitoneal inoculation of ascitic fluid from the clinical case into 2 healthy cats. This is the first published report of the occurrence of FIP in Scandinavia.
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PMID:The occurrence of feline infectious peritonitis in Denmark. 101 12

An 18-month-old infant required six hospital admissions in a period of six months for episodes consisting of coughing, respiratory depression, hematemesis, coma, dehydration, and lesions about the mouth. A negative history of ingestion of toxins was repeatedly obtained from the family and two home inspection by the local Health Department failed to identify potential toxins. Metabolic work-up was entirely negative. Utilizing methods of GC-MS, metabolites of a-terpineol were isolated from infant urine on two admissions to the hospital. These metabolites were confirmed by mass spectrometry to be the same metabolites excreted by Sprague-Dawley rats injected with a-terpineol or pine oil. The child had no additional episodes after physical separation from the home environment.
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PMID:An investigation of recurrent pine oil poisoning in an infant by the use of gas chromatographic-mass spectrometric methods. 115 33

Non-ketonic hyperosmolar hyperglycaemic coma (N.K.H.H.C.) is by no means uncommon in diabetes. Its picture includes sensorial depression, hyperglycaemia, hyperazotemia, marked dehydration and plasma hyperosmolarity. It is mostly found in elderly subjects with non-serious diabetes. Reference is made to 6 personal cases observed during a period of 14 months. The incidence of N.K.H.H.C. noted during this period was 2.2%; this was higher than that of ketoacidotic coma. Two patients died from hypovolaemic shock and one from septic complications. Three survived the episode. Treatment was based on three main points: high doses of insulin, though less than those employed for equal blood sugar levels in cases of ketoacidotic coma, hypotonic saline solutions, and correction of electrolyte imbalance. It is hoped that improved knowledge of the syndrome and, more particularly, earlier diagnosis and treatment, with lead to a reduction in the ta 50% mortality present associated with the disease.
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PMID:[Non-ketosic hyperosmolar hyperglycemic coma. Case reports and therapeutic consideration]. 125

Bilateral electrolytic lesions of the zona incerta (ZI) permanently reduced daily water intake of rats by 20-30%. Lesioned rats did not differ from controls in daily food intake, body weight, hematocrit, or serum osmolality, Na+ or K+ levels. The hypodipsia was not caused by changes in water requirements or excretory function or by a nonspecific depression of behavior. Compensatory reductions in water losses maintained fluid balance. Lesioned rats drank as much water as controls in response to intracellular and extracellular dehydration, but unlike controls, appeared to restrict their daily water intake to these regulatory responses. Lesions of the ZI attenuated the ingestion of extra water observed when rats were maintained on a liquid diet adequate to meet fluid requirements, and daily water intake of lesioned but not control rats closely followed changes in water needs. It was concluded that lesions of the ZI reduce daily water intake towards minimal requirements for fluid balance by attenuating secondary drinking (drinking independent of water needs for fluid homeostasis.
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PMID:Regulatory and secondary water intake in rats with lesions of the zona incerta. 126 98

An outbreak of salmonellosis in a gerbil colony was investigated. The clinical, bacteriologic, and pathologic findings are reported. Clinical signs included an occasional sudden death, depression, emaciation, dehydration, rough hair coat, and testicular enlargement. Not every sign was observed in every infected gerbil. At necropsy, 11 animals had lesions consistent with salmonellosis. Histopathologic lesions consisted of interstitial pneumonia, hepatic and splenic necrosis, meningitis, and suppurative orchitis. Splenic and intestinal amyloidosis were also noted. Salmonella, group D, was recovered from gerbil feces, a container in which adult mosquitos were reared, filarial inoculum, and a cockroach. An epizootiologic investigation led to salmonella-infected cockroaches as the possible source of animal contamination via mosquitos and the subsequent filarial inoculum.
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PMID:Salmonellosis in gerbils induced by nonrelated experimental procedure. 131 48

Paraherquamide, an oxindole alkaloid metabolite of Penicillium paraherquei and P charlesii, is a new anthelmintic with potential broad-spectrum use. In initial trials, it had an excellent safety profile in cattle and sheep at doses efficacious against a dozen or more helminths, but recently it produced unexpected and severe toxicosis in dogs at doses far below those that were safe in the ruminants. To provide data on which to build rational safety tests in the future, we tested the acute toxicity of paraherquamide administered PO to male CD-1 mice and compared its profile with the most potent anthelmintic known, ivermectin. The estimated doses lethal to 50% of a group of mice were 14.9 and 29.5 mg/kg of body weight for paraherquamide and ivermectin, respectively. The no-effect doses were 5.6 and 18.0 mg/kg for paraherquamide and ivermectin, respectively. Signs of intoxication in paraherquamide-treated mice, if they developed, emanated within 30 minutes of administration, irrespective of dose, and consisted of either mild depression with complete recovery or a 5- to 10-minute period of breathing difficulty followed by respiratory failure and death by 1 hour after treatment. Gross necropsy findings in paraherquamide-treated mice that died in the high-dose group were normal. Ivermectin-related toxicity was slower and more predictable, taking place over a 3-day period, with dose-dependent signs of intoxication consisting of tremors, ataxia, recumbency, coma, and death. Necropsy of ivermectin-treated mice that died in the high-dose group revealed dehydration, a condition most likely resulting from the coma-induced state.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Acute toxicity of paraherquamide and its potential as an anthelmintic. 146 98

Elderly humans have impaired responses to dehydration and overhydration when tested under experimental conditions. This study investigated whether under ad libitum conditions age-related changes in fluid intake and thirst could be detected. Adult humans (n = 262) maintained 7-day diaries of everything they ingested, the timing and conditions present, and subjective thirst, anxiety, depression, and activity. No differences were found in overall fluid intakes of subjects from 20 to 80 years of age, including equivalent fluid intake responses to solid food ingestion, subjective thirst, social stimuli, and stomach factors. However, fluid ingested in bouts increased slightly over the day for younger groups, whereas it declined markedly for elderly groups, producing a blunted diurnal rhythm. Also, elderly subjects ingested more coffee and less soda and alcohol. The findings indicate that elderly individuals, under ad libitum conditions, are able to obtain normal levels of fluid by the coingestion of fluids with solids.
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PMID:Age-related changes in natural spontaneous fluid ingestion and thirst in humans. 151 38

Medium hyperosmolarity between 300 (normal medium osmolarity) and 600 mOsm inhibited in a concentration-correlated fashion (r greater than 0.97, p less than 0.001) the rise in intracellular Ca2+ concentration ([Ca2+]i) and prolactin (PRL) secretion induced in GH4C1 cells by depolarizing 30 mM K+. [Ca2+]i concentration and PRL secretion were tightly related between 300 and 600 mOsm (r = 0.976, p less than 0.001); 50% inhibition of both occurred at 450 mOsm. Medium hyperosmolarity slowed the rate of Ca2+ influx. At 600 mOsm the rise in both [Ca2+]i and PRL secretion was abolished but PRL secretion induced by 1 microM phorbol 12-myristate 13-acetate was not significantly reduced. Our data suggest that inhibition of Ca2+ influx may be the primary mechanism by which extracellular hyperosmolarity inhibits PRL secretion induced by high medium K+ in GH4C1 cells. Depression of the Ca2+ intracellular transduction system may play a pathophysiological role in vivo in conditions such as dehydration and hypertonic coma.
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PMID:Medium hyperosmolarity inhibits prolactin secretion induced by depolarizing K+ in GH4C1 cells by blocking Ca2+ influx. 155 72


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