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Query: UMLS:C0019158 (hepatitis)
 30,205 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Exposure of mice to 1000 ppm of vinyl chloride (VC), 6 hr/day, 5 days/week, caused some acute deaths with toxic hepatitis and marked tubular necrosis of the renal cortex. Starting the sixth month, mice exposed to 1000, 250, or 50 ppm of VC became lethargic, lost weight quickly, and died. Only a few mice exposed to 50 ppm survived for 12 months. Pulmonary macrophage count was elevated in some mice. There was a high incidence of bronchiolo-alveolar adenoma, mammary gland tumors including ductular adenocarcinoma, squamous and anaplastic cell carcinomas with metastasis to the lung, and hemangiosarcoma in the liver, and, to a lesser extent, in some other organs. The incidence of these tumors quickly increased, and the severity was in direct proportion to the levels of VC and the length of exposure. Malignant lymphoma involving various organs was observed in a few mice. Rats were more resistant to the toxic effects of VC. Exposure to 1000 ppm slightly depressed the body weight of the females. Exposures of 250 or 1000 ppm caused a number of deaths and hemangiosarcoma in the liver starting the ninth month. Most rats with hepatic hemangiosarcoma also developed hemangiosarcoma in the lung. Hemangiosarcoma occasionally occurred in other tissues of one or two rats exposed to 50 ppm or higher level of VC. Exposure of mice to 55 ppm of vinylidene chloride (VDC) also caused a few acute deaths and a few hepatic hemangiosarcomas. Inflammatory, degenerative, and mitotic changes occurred in the liver. No mouse exposed to VDC developed any mammary gland tumors. Several mice had bronchioloalveolar adenoma. Exposure of rats to 55 ppm of VDC slightly depressed the body weight. Hemangiosarcoma occurred in the mesenteric lymph node or subcutaneous tissue in two rats.
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PMID:Inhalation toxicity of vinyl chloride and vinylidene chloride. 56 2

Four children had progressive degeneration of the cerebral cortex, with hepatic cirrhosis. They and four previously described ones, are representative of a distinct form of hepatocerebral degeneration. Onset of the neurological disorder is between ages 1 and 3 years, at times with mild developmental delay. Explosive onset of intractable convulsions, leaving the child in a stuporous and demented state, is characteristic. Generalized hypotonia or hemiparesis were observed in several affected children. Clinical evidences of hepatic disease, including ascites and jaundice, occurred late, if at all. The illness ended fatally within ten months of onset of convulsions. Pathological findings in the brain are neuronal loss and gliosis, in a pattern that is indistinguishable from that in degeneration of the cerebral gray matter in infancy (Alpers disease). The hepatic lesions consist of cirrhosis or of subacute hepatitis, with superimposed fatty infiltration of hepatocytes. The disorder is genetically determined, with recessive inheritance.
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PMID:Infantile diffuse cerebral degeneration with hepatic cirrhosis. 125 62

Four newborns with adenovirus infection are described, and the profile of neonatal adenovirus disease is outlined based on the cases of these newborns and nine previously described. Characteristic historical features included prolonged rupture of membranes, maternal illness, vaginal delivery, and onset of illness within the first 10 days of life. Clinical findings included lethargy, fever or hypothermia, anorexia, apnea, hepatomegaly, bleeding, and progressive pneumonia. Thrombocytopenia, coagulopathy, and hepatitis were typical laboratory manifestations. Illness was severe and generally unremitting; only two survivors have been reported. Pathologic changes were prominent in lung, liver, and brain. Virus isolates, predominantly serotypes 3, 7, 21, and 30 were obtained from multiple sites and organs. Epidemiologic evidence suggests that viral acquisition from the mother, perhaps via the birth canal, is a major mode of transmission. Neonatal adenovirus infection, which is frequently disseminated and generally fatal, should be considered in the differential diagnosis of neonatal sepsis and pneumonia.
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PMID:Neonatal adenovirus infection: four patients and review of the literature. 203 95

A Pacific white-sided dolphin (Lagenorhynchus obliquidens) developed clinical signs, serum biochemical values, and serologic viral markers consistent with chronic persistent hepatitis caused by a hepatitis B-like virus. The hepatitis had a sporadic cyclical pattern of lethargy, inappetance, and icterus, with leukocytosis and increased serum activities of alanine transaminase, aspartate transaminase, and gamma-glutamyltransferase. The serum from this dolphin contained hepatitis B virus core antibodies, hepatitis B surface antibodies, and hepatitis B viral DNA. Supportive treatment consisted of administration of antibiotics, cimetidine, menadiol sodium diphosphate, and vitamin/dextrose supplementation. A clinically normal killer whale (Orcinus orca) housed in the same pool had serum hepatitis B surface antibodies, suggesting immunologic responsiveness and that this disease was not species-specific.
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PMID:Hepatitis B-like infection in a Pacific white-sided dolphin (Lagenorhynchus obliquidens). 229 47

Ten Kenyan patients with visceral leishmaniasis unresponsive to sodium stibogluconate, at a dose of 16 to 20 mg Sb/kg body-weight/day given for 30 to 98 days, were treated with 20 mg Sb/kg bw given every eight hours. This regimen was modified or abandoned in six patients because of suspected toxicity, although toxicity was difficult to assess because of intercurrent illness. Toxic effects included lethargy, anorexia, vomiting, electrocardiographic changes, fall in haemoglobin and rise in liver enzymes. One patient died, probably from a cardiac arrhythmia. Two patients were cured, four responded partially and four showed no response. Pentamidine, at a dose of 4 mg/kg body-weight given one to 3 times per week for 5 to 39 weeks, was given as initial treatment in one patient and after failure of sodium stibogluconate in seven. Toxic effects included nephritis, hepatitis, transient diabetes and subcutaneous abscesses. Two patients were cured, two responded partially, three showed no response and one, after apparent cure, relapsed and was unresponsive to additional pentamidine treatment. Low-frequency, long-duration pentamidine was often useful in maintaining any improvement made during treatment with the less well tolerated high-dose, high frequency sodium stibogluconate. We observed the step-wise development of resistance to both sodium stibogluconate and pentamidine. The problems of managing patients with visceral leishmaniasis which is unresponsive to conventional doses of pentavalent antimonials are discussed and some tentative suggestions put forward.
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PMID:Visceral leishmaniasis unresponsive to antimonial drugs. II. Response to high dosage sodium stibogluconate or prolonged treatment with pentamidine. 300 95

Patients with agammaglobulinemia are particularly susceptible to chronic enteroviral infections of the central nervous system. Data on 42 patients were obtained by literature review, communications with other physicians, and personal experiences. Thirty-eight patients had congenital immunodeficiencies, most frequently X-linked agammaglobulinemia. Most patients who could be assessed were receiving maintenance therapy with intramuscular gamma-globulin before their enteroviral infection. Seven patients had not been recognized as hypogammaglobulinemic before the onset of infection. The commonest pathogens were echoviruses (37 of 41 cases), especially type 11 (11 cases). Thus far, four patients have had sequential or simultaneous infections with a second enteroviral serotype. Other features of the disease have included weakness, lethargy or coma, headaches, hearing loss, seizures, ataxia, and paresthesias. Some patients have also had nonneurologic manifestations of chronic enteroviral infection, including fever, the dermatomyositis-like syndrome, edema, rashes, and hepatitis. Treatment has consisted primarily of antibody administration, either in intravenous immunoglobulin preparations or in immune plasma. Twelve patients have received intraventricular immunoglobulin through reservoir devices; six of these 12 have improved substantially, as judged by clinical criteria.
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PMID:Chronic enteroviral meningoencephalitis in agammaglobulinemic patients. 329

A 1-week-old Jersey bull calf with a history of diarrhea, weakness, and lethargy was submitted for necropsy. Principal macroscopic findings were enteritis and multifocal necrotizing hepatitis. Histologically and ultrastructurally, organisms with characteristics of Bacillus piliformis were associated with the foci of necrosis in the liver.
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PMID:Bacillus piliformis infection (Tyzzer's disease) in a calf. 365 16

1-Amino-2,4-dibromoanthraquinone (ADBAQ), an intermediate in the production of commercial dyes for wool, silk, and synthetic fibers, was selected for toxicology and carcinogenesis studies in two rodent species. In advance of the 2-year studies, 13-week studies were conducted in male and female F344/N rats and B6C3F1 mice which were fed a diet containing ADBAQ at concentrations of 0, 0.25, 0.50, 1.00, 2.50, and 5.00%. ADBAQ stained the skin and fur red at all doses in rats and at 1.00% and higher concentrations in mice. Lethargy and emaciation were noted at the 2.50% and higher doses in rats of both sexes. In general, the absolute weight of the liver and the liver/organ weight ratios increased in both sexes and species at all doses. Treated rats developed a chronic toxic hepatitis characterized by hepatocytomegaly, centrilobular vacuolar degeneration and necrosis, regenerative nodules, acute necrotizing cholangitis, bile duct hyperplasia, chronic active inflammation in periportal areas, and focal pigmentation. The hepatopathy occurred at all doses in males and at 0.50% and higher in females and correlated with elevations of serum glutamic-pyruvic and glutamic-oxaloacetic transaminases, leukocytosis, and neutrophilia. Hyaline droplet degeneration in the proximal convoluted tubules of the kidneys occurred in male rats, and uterine atrophy was observed in female rats at 1.00% and higher. Anemia occurred in both sexes of rats at all doses and thymic atrophy was observed in both sexes of high-dose rats. In male mice minimal dose-related lesions in the liver included centrilobular glycogen depletion at 1.00% and higher and pigmentation at all doses. At comparable doses, ADBAQ was considered to be markedly toxic in rats and of minimal nonlife-threatening toxicity in mice.
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PMID:Thirteen-week toxicology studies of 1-amino-2,4-dibromoanthraquinone in Fischer 344/N rats and B6C3F1 mice. 395 25

A 30-year-old unconscious woman in a hypoglycemic coma responded rapidly to intravenous glucose administration with full neurologic recovery. She was diagnosed with fulminant non-A-non-B hepatitis. On the fourth hospital day, she became suddenly lethargic and required dopamine and dobutamine for respiratory and cardiovascular support. Ophthalmic examination revealed clinical manifestations consistent with bilateral neuroretinal infarction. She died on the tenth hospital day. Careful serial ophthalmologic examinations may serve to prevent the occurrence of such a devastating complication in the setting of otherwise life-saving medical management.
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PMID:Bilateral retinal infarction associated with high dose dopamine. 399 13

Subacute, nonsuppurative hepatitis was diagnosed in a cynomolgus monkey (Macaca fascicularis) based on histopathologic examination of a liver biopsy specimen. Clinical signs of illness included anorexia, lethargy and hepatomegaly. Abnormal laboratory findings included elevations of serum liver enzymes, bilirubin and a monocytosis. Circulating antibody (anti-HBs) against Hepatitis B surface antigen (HBsAg) was present in serum and antigens reactive with anti-HBsAg antiserum were found in the liver using an immunoperoxidase technique. Of the remaining 18 healthy monkeys in the same room, another cynomolgus monkey was HBsAg seropositive. Both of the seropositive monkeys involved arrived on the same shipment from Indonesia and had been quarantined and housed together continuously during the preceding two years.
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PMID:Subacute nonsuppurative hepatitis associated with hepatitis B virus infection in two cynomolgus monkeys. 404 51


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