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Query: UMLS:C0020672 (hypothermia)
 17,327 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Sixteen pregnant queens were inoculated orally with tissue cysts of Toxoplasma gondii, and fetal membranes and offspring were examined for T gondii infection by bioassay in mice. Queens appeared clinically normal, although all shed T gondii oocysts. Toxoplasma gondii was isolated from tissues of 7 of 33 fetuses or kittens from 5 litters (at 13, 23, 26, 27, and 29 postinoculation days) from 8 queens euthanatized between 10 and 31 postinoculation days. Infection with T gondii was found in kittens from all 8 litters from the 8 queens that were allowed to undergo parturition and nurse their kittens. A total of 43 kittens were born to these 8 queens. Toxoplasma gondii was isolated from tissues of 26 of 40 kittens bioassayed; in 3 kittens, tissues were not available for bioassay. Toxoplasmosis was severe in full-term kittens born to 5 queens; all 25 kittens from these litters died or were ill by 24 days of age. Anorexia, lethargy, hypothermia, and sudden death were the most common manifestations. Cytologic examination of peritoneal fluid aspirate samples and determination of hepatic-associated enzyme concentrations in affected kittens, as well as measurement of anti-T gondii antibodies in serum of kittens and queens, were helpful in the diagnosis of neonatal toxoplasmosis. Transplacental transfer of anti-T gondii antibodies was not observed in cats. Toxoplasma gondii oocysts were found in fecal samples of 3 kittens from different litters at 16, 24, and 63 days of age.
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PMID:Diagnosis of induced toxoplasmosis in neonatal cats. 760 11

A case of hypothalamic dysfunction in a girl with a twelve-year follow-up is reported. Onset occurred at the age of three with severe obesity, hypothermia, hypersomnia, and lethargy. Somatotropic, gonadotropic, and thyrotropic hormones were low, whereas prolactin was increased. Imaging techniques failed to disclose any lesion of the hypothalamus or pituitary. Clomipramine improved the vegetative disorders. The literature on clinical and hormonal disorders of hypothalamic dysfunction is reviewed.
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PMID:[Hypothalamic syndromes. Review of clinical and endocrinal semiology]. 823

Medical records and histologic sections of 40 cats with acute pancreatitis were reviewed. Two distinct groups of cats with pancreatitis were established by histologic analysis of tissue. Group 1 (32 cats) had acute pancreatic necrosis (APN). Group 2 (8 cats) had suppurative pancreatitis. Ages of affected cats ranged from 3 weeks to 16 years. The majority consisted of indoor cats of the Domestic Short-Haired breed but Siamese cats were over-represented relative to the general population (P < 0.05). Twenty-two percent of cats were obese and 57% were underweight. Thirty-eight percent of cats had acute disease. In the other cats, two stages in the progression of the disease were evident: (1) anorexia, weight loss, and lethargy, followed by (2) acute deterioration, development of shock, and a moribund state, despite fluid therapy. The most common clinical signs were severe lethargy (100%), reduced appetite (97%), dehydration (92%), and hypothermia (68%). The initial hemogram occasionally showed a neutrophilia (30%) and anemia (26%) but packed cell volume (PCV) decreased markedly to the extent that 55% of cats were anemic terminally. Serum biochemical abnormalities included increased activities of ALT (68%) and ALP (50%), and increased concentrations of bilirubin (64%) and cholesterol (64%). Cats with APN were hyperglycemic (64%), glycosuric (60%) and ketonuric (20%), whereas cats with suppurative pancreatitis tended to be hypoglycemic (75%). Renal failure and electrolyte abnormalities were mild or infrequent except for hypokalemia (56%). This study characterizes a severe necrotizing pancreatitis in the cat similar to that reported in other species, and a histologically distinct suppurative pancreatitis.
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PMID:Acute necrotizing pancreatitis and acute suppurative pancreatitis in the cat. A retrospective study of 40 cases (1976-1989). 1146 88

Nesidioblastosis associated with progressive weight loss and hyperglycemia was diagnosed in two mid-adult, wild-caught, male squirrel monkeys (Saimiri sciureus). Hyperglycemia, glucosuria, and abnormal glucose tolerance test results were found when the monkeys were presented for clinical evaluation for chronic weight loss, episodic dehydration, hypothermia, and lethargy. Immunohistochemical studies of the pancreatic tissue demonstrated that the proliferating endocrine cells stained predominantly glucagon-positive in the most severely affected monkey.
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PMID:Nesidioblastosis associated with hyperglycemia in two squirrel monkeys (Saimiri sciureus). 902 1

To determine whether lumbar puncture is necessary in the evaluation of neonates with risk for infection or suspected sepsis in the first 72 hours of life, we reviewed the laboratory and medical records of 506 infants who had lumbar punctures between January 1988 and December 1990. Neonates < 72 hours of age accounted for 52% of all lumbar punctures, but no case of meningitis. This led to a policy shift from routinely performing lumbar punctures to reserving them for infants with signs of severe sepsis (i.e. lethargy, hypothermia, hypotonia, poor perfusion or apnoea), specific neurological signs or clinical deterioration. This new policy was monitored prospectively from July 1991 to December 1993. Three times fewer procedures were performed in neonates < 72 hours, and there was no diagnosed or missed case of meningitis. Given that meningitis is rare within the first 72 hours of life and the yield of lumbar puncture virtually zero, we recommend that lumbar punctures be reserved for selected infants.
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PMID:Evaluation of neonates with risk for infection/suspected sepsis: is routine lumbar puncture necessary in the first 72 hours of life? 949 Nov 9

The medical records of 11 cats with histopathologic findings consistent with central nervous system (CNS) Cuterebra larvae myiasis were retrospectively examined to determine if clinical features could identify this disorder antemortem. Young to middle-aged indoor-outdoor domestic shorthaired cats presenting with acute neurologic signs from July through September predominated. Many cats recently had clinical signs consistent with upper respiratory disease. Most cats presented for depression, lethargy, or seizures. Almost all cats had abnormal rectal temperatures, either hypethermia or hypothermia. Peripheral leukocytosis and eosinophilia were not characteristic of cats with CNS cuterebriasis. Cerebrospinal fluid analysis did not consistently disclose evidence of inflammation. Common neurologic deficits included blindness, abnormal mentation, and signs of unilateral prosencephalic disease. No specific clinical or clinicopathologic test was diagnostic for CNS cuterebriasis.
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PMID:Clinical and clinicopathologic features in 11 cats with Cuterebra larvae myiasis of the central nervous system. 977 13

Propionic Acidemia is an inherited disorder of organic acid metabolism characterized by a wide spectrum of clinical and biochemical findings. Many times is present in the neonatal period, when mortality is high and neurologic residua in survivors is severe. The present case concerns to a healthy male newborn who started with a picture of refusing to feed, lethargy and hypothermia at 49 hours of life. He developed a severe neurotoxicity state with metabolic acidosis. The laboratory evaluation showed high levels of 3-hidroxi-propionic, 2-metil-hidroxibutiric and metil-citric in urine, confirming the diagnosis of proprionic acidemia.
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PMID:[Propionic acidemia in the neonatal period]. 992

Isovaleric acidemia, an autosomal recessive disorder, is due to isovaleryl-coenzyme A dehydrogenase deficiency and is one of the branched-chain aminoacidopathies. Isovaleric acidemia may present in the neonatal period with an acute episode of severe metabolic acidosis, ketosis, and vomiting and may lead to coma and death in the first 2 months of life. This report concerns an infant who presented at 10 days of age because of lethargy, poor feeding, hypothermia, cholestasis, and thrombocytopenia, leukopenia, and profound pancytopenia. Death occurred at 19 days of age. Autopsy showed mild fatty change in the liver and extramedullary hematopoiesis, generalized Escherichia coli sepsis, and myelodysplasia of the bone marrow with arrest of the myeloid series at the promyelocytic stage. The appearance resembled promyelocytic leukemia, but the diagnostic 15:17 translocation was not present. The maturation arrest in granulopoiesis in isovaleric acidemia appears to be most likely due to a direct metabolic effect on granulocyte precursor cells.
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PMID:Isovaleric acidemia with promyelocytic myeloproliferative syndrome. 1019 53

Preparturient hypocalcemia was identified in 4 cats in a specific pathogen-free colony between 1995 and 1996. All cats had an acute onset of clinical signs, 3 to 17 days prior to parturition. Signs of depression, weakness, tachypnea, and mild muscle tremors were the most common clinical signs, following by vomiting and anorexia. Additional abnormalities included hypothermia, third eyelid prolapse, dehydration, pallor, lethargy, flaccid paralysis, and hyperexcitability. Hematologic abnormalities included leukocytosis with neutrophilia and lymphopenia. Hypocalcemia was documented in each queen. Common serum biochemical abnormalities included high aspartate aminotransferase and creatine kinase activities. All cats responded to IV or SC administration of 10% calcium gluconate. Queens were then given calcium orally prior to and following parturition. The queens did not have additional complications for the duration of the gestational or lactational periods.
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PMID:Preparturient hypocalcemia in four cats. 1053 Mar 27

This study tested the protective activity of antibodies to the LPS core of Haemophilus influenzae (Borrelli et al., Infect. Immun. 1995;63: 3683-92) in a hematogenous meningitis model. Meningitis was established by intraperitoneal inoculation of infant rats with H. influenzae type b (Hib). The severity of infection was determined by daily assessment of mortality, symptoms of disease and weight changes. Mortality occurred rapidly after infection with 10(5)cfu/rat and most animals died within 24 h. At a lower infection dose (10(4)cfu/rat) the rats survived, but developed symptoms of disease such as tremor, hypothermia, lethargy and anorexia within 12-72 h post challenge. Surviving animals showed decreased weight gain. Bacteremia was detected by daily blood-cultures in 10/10 rats and cleared 6 days after inoculation. The monoclonal anti-LPS antibody MAHI 3 was used in passive protection studies. MAHI 3 increased the survival in the high inoculum group (10(5)cfu/rat) from 10-17% in control animals to 60-90%. At the lower inoculum concentration (10(4)cfu/rat) MAHI 3 treatment reduced the symptoms and blood counts. Intraperitoneal injection of MAHI 3 was more effective than intranasal injection as shown by the effect on bacteremia. We conclude that anti-LPS antibodies can protect against mortality caused by hematogenous Hib infections in infant rats.
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PMID:Monoclonal anti-LPS inner core antibodies protect against experimental hematogenous Haemophilus influenzae type b meningitis. 1062 58


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