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Query: UMLS:C0027121 (myositis)
 4,538 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Myositis and septicemia caused by Acinetobacter calcoaceticus were diagnosed in a mare. The infection was characterized clinically by ventral swelling and edema, diarrhea, listlessness, and rectal temperature of 39.4 C. The mare was treated symptomatically for 2 days but died on the 3rd day. Conditions seen at necropsy were myositis, enteritis, typhlitis, colitis, and hepatitis. Lymph nodes were moderately enlarged throughout the body. Gross lesions in musculature were edema, scarring, petechiae, and an occasional exxhymosis. The enteritis was catarrhal, with excessive mucus and moderate hyperemia. The typhlitis and colitis were hemorrhagic. The swollen liver had a diffuse mottled pale and red pattern. Microscopic lesions in skeletal muscle consisted of petechiation, necrosis, scarring, and edema. Cardiac muscle was also scarred and necrotic, but edema was not prominent. Periacinal necrosis was found in the liver. Acinetobacter calcoaceticus was isolated from myocardium and liver.
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PMID:Equine myositis and septicemia caused by Acinetobacter calcoaceticus infection. 62 Nov 83

We retrospectively reviewed the manifestations of influenza A2 in 83 hospitalized young children. Our purpose was to define the spectrum of clinical illness in this age group. Findings included fever (91%), vomiting or diarrhea (49%), pharyngitis (34%), pneumonitis (29%), otitis media (24%), conjunctivitis (13%), croup (13%), and bronchiolitis (6%). Neuromuscular manifestations occurred in 16 patients (19%) and included seizures, apnea, opisthotonos, and myositis. Three children had cerebrospinal fluid pleocytosis. Children younger than 3 months of age had fever less often and gastrointestinal symptoms more often than older children. Threee children died of progressive pneumonitis. We conclude that influenza A2 may cause a wide range of respiratory and neurologic findings in infancy and early childhood.
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PMID:Type A2 influenza viral infections in children. 62 60

Fifty patients were hospitalised at Vientiane during May and June 1975. Infection was caused by consumption of pork meat (som-mou, lap mou and lap leuat). After an incubation period of 8 to 11 days intermittent diarrhoea followed by constant fever and orbital oedema occurred. Several days later diffuse myalgias occurred. Three patients presented neurological symptoms: left hemiplegia flexible paraplegia and limb paresis; these symptoms regressed spontaneously. 87% of the clinically suspected cases had specific serum antibodies (IFI, ID, IE). Hyperleucocytosis and hypereosinophilia were a constant factor. Anti-AH antibodies were detected by the Widal test. The histopathology characteristic of myositis was seen in the 12 muscle biopsies. Also observed was the precystic state of the larvae which is in agreement with the early timing of the samples which were obtained during the 3rd and 4rd week of infection.
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PMID:[Human trichinosis. A recent epidemic in Vientiane (Laos) (apropos of 32 cases)]. 103 24

One hundred and twenty-three patients with human immunodeficiency virus infection have been referred to rheumatologists at our hospitals between October 1985 and April 1989 because of musculoskeletal symptoms. Thirty-four homosexual men presented with acute, peripheral, non-erosive arthritis (mean number of four joints affected) with the knees being involved in 23. Other features developing concurrently with arthritis included psoriasis, keratoderma blenorrhagica, plantar fasciitis, urethritis, conjunctivitis and anterior uveitis. Four of five patients investigated were HLA-B27-positive; none of 15 patients tested had raised titres of rheumatoid or antinuclear factors. Various infections were associated with the onset of arthritis and two patients with a recent history of diarrhoea had serological evidence of yersinia infection. No micro-organisms were identified within the joint except for HIV itself. At the time of onset of arthritis four of these individuals had the acquired immunodeficiency syndrome (AIDS); 11 were not known to be HIV-positive before testing which was performed following referral for arthritis. Six patients have since developed AIDS and four have died. In 15 individuals, including those who progressed to AIDS, joint symptoms have been severe, persistent and poorly responsive to non-steroidal anti-inflammatory drugs. In only five patients has the arthritis been known to resolve. Synovitis has also been seen in two women: in one of these HIV infection was thought to have been acquired through intravenous drug abuse. Other rheumatic lesions included myalgia/myositis, non-inflammatory peripheral arthritis, spinal pain, soft tissue lesions, arthralgia or myalgia of unknown cause and infective lesions including septic arthritis and bony infection due to histoplasmosis and atypical mycobacterial infection. It appears likely that HIV infection is a risk factor for the development of seronegative arthritis and other rheumatic lesions.
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PMID:Rheumatological lesions in individuals with human immunodeficiency virus infection. 261 38

Although the first Aeromonas strain was described by Zimmermann as early as in 1890, it took 60 years until Caselitz established human pathogenicity of strains then called "Vibrio jamaicensis". Since then, and especially in the last 10 years, there have been increasing numbers of reports on different infections caused by members of the genus Aeromonas. These include sepsis; meningitis; cellulitis; necrotizing fasciitis; ecthyma gangrenosum; pneumonia; peritonitis; conjunctivitis; corneal ulcer; endophthalmitis; osteomyelitis; suppurative arthritis; myositis; subphrenic abscess; liver abscess; cholecystitis and/or ascending cholangitis; urinary tract infection; endocarditis; ear, nose, and throat infections; balanitis; etc. The role of Aeromonas in gastrointestinal disease is very controversial. Increasing epidemiological data suggest that these organisms play a major role in enteric infections, but so far enteropathogenicity has not been demonstrable in experiments where volunteers were given high numbers of Aeromonas possessing different virulence factors. Virulence factors include hemolysin(s), enterotoxin(s), hemagglutinins, invasivity, and others; but these are not found more frequently in strains isolated from patients with diarrhea than from healthy controls. Whether there is a correlation between species and disease remains to be elucidated and requires more information about the taxonomy of this genus.
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PMID:Aeromonas as a human pathogen. 264 16

Six horses had been admitted to the hospital because of illness other than renal failure; diarrhoea, myositis, abdominal pain and/or suspected bacterial sepsis. Hypotension and disseminated intravascular coagulopathy were frequent findings in the horses. Abnormally high serum creatinine concentration and urine specific gravity of less than 1.022 were found in the horses with acute renal failure. Hyponatraemia and hypochloraemia were the most common abnormal electrolyte findings. Pronounced hyperkalaemia was not found. Variable degrees of tubular necrosis were seen in three of the four horses that had kidney sections submitted for microscopic examination. Renal cortical necrosis occurred in one horse. Intravenous fluid and electrolyte replacement was the most important therapy in those cases that were non-oliguric. Furosemide, mannitol and dopamine were used in horses with oliguria. The prognosis was generally good if the predisposing cause could be corrected and the acute renal failure was not oliguric.
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PMID:Acute renal failure in six horses resulting from haemodynamic causes. 360 51

A syndrome of acquired immunodeficiency has been identified in a group of rhesus monkeys (Macaca mulatta) which died at the California Primate Research Center. Clinical evaluation of these animals revealed that 50% or more had lymphadenopathy, weight loss, and diarrhea. At least 30% had splenomegaly, fever, cutaneous abscesses and/or arthritis/myositis. Two animals had fibrosarcomas. Anemia was seen in 19 animals, lymphopenia in 14, granulocytopenia in four and thrombocytopenia in three. Hepatitis was diagnosed histopathologically in 13. Electrophoresis revealed hypoproteinemia, hypoalbuminemia and hypogammaglobulinemia. Numerous bacterial, protozoal, and viral agents were identified including cytomegalovirus and leukocyte-associated herpesvirus. Pathologic lesions included severe post-reactive depletion of lymphocytes in germinal centers and paracortical regions of lymph nodes. Clinical and pathologic changes indicate an acquired immunodeficiency syndrome which has some similarities to AIDS in humans. This disease in monkeys may provide a model for studying that disease.
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PMID:Clinical features of simian acquired immunodeficiency syndrome (SAIDS) in rhesus monkeys. 632 13

Lesions of sarcocystosis were studied in 14 calves necropsied between seven and 110 days after inoculation with 5000 to 25 million sporocysts of Sarcocystis hirsuta from cats. Calves developed fever, anemia, and diarrhea between 11 and 30 days after inoculation. The development of first generation meronts in arteries of small intestine, mesentery, and mesenteric lymph nodes seven to 25 days after inoculation was associated with vascular occlusion and necrosis of associated tissues. The development of second generation meronts in capillaries of striated muscles 15 to 23 days after inoculation was associated with necrosis, edema, and nonsuppurative myositis in heart and other muscles. Sixty-two days after inoculation lesions were reduced to focal areas of granulomatous inflammation around degenerating sarcocysts in striated muscles, but not in the heart.
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PMID:Clinical sarcocystosis in calves fed Sarcocystis hirsuta sporocysts from cats. 640 68

The toxic effects of imidocarb dipropionate (3,3'-bis[2-imidazolin-2-yl] carbanilide dipropionate) were studied in calves injected twice intramuscularly with 0, 5, 10 or 20 mg/kg dosages. Transient, dosage dependent signs of toxicosis consisted of excessive salivation, serous nasal discharge, diarrhoea and dyspnoea. Elevations in blood urea nitrogen concentrations and serum glutamic oxalacetic transaminase activities were related to dosage and markedly increased at the high dosage. Renal hyperaemia, hepatomegaly, pulmonary congestion and oedema, hydrothorax, hydroperitoneum, hydropericardium and mortality occurred at the 20 mg/kg dosage. Microscopic lesions observed at the high dosage included acute severe renal tubular necrosis and focal hepatocellular necrosis. Injection site reactions varied from microscopic areas of necrotising myositis at the 5 mg/kg dosage to focal grossly visible areas of necrosis, encapsulated by granulation tissue and surrounded by fascial oedema at the 20 mg/kg dosage.
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PMID:A study of the toxicity of imidocarb dipropionate in cattle. 741 62

Gnotobiotic pigs were used as a model to study the contribution of Shiga-like toxin I to natural disease caused by enterohemorrhagic Escherichia coli in calves and human beings. Eleven 2- to 7-day-old gnotobiotic pigs of either sex, obtained by closed hysterotomy, were injected intramuscularly with graded doses of partially purified Shiga-like toxin I derived from a lysogenized Escherichia coli strain. Four other gnotobiotic pigs were injected with a mock toxin preparation obtained from a nonlysogenized culture of the same E. coli strain. All toxin-injected pigs developed diarrhea, and three displayed signs of neurologic disease. Pigs either died or were euthanatized 2 to 4 days post-inoculation. Necrosis of muscle was grossly evident at the site of injection in all toxin-inoculated pigs. Hemorrhage in the lumen of the small and large intestines and blood in the feces were also evident in two toxin-inoculated pigs. Microscopically, severe necrotizing myositis at the injection site, multifocal encephalomalacia, and mucosal infarcts and hemorrhage in the small and large intestines were seen. In small vessels at lesion sites, endothelial cells were frequently swollen or necrotic. Pigs inoculated with mock toxin did not develop diarrhea or exhibit signs of neurologic disease, and the only apparent lesion was mild microscopic myositis at the injection site in 1/4 pigs. The results of this study indicate that Shiga-like toxin I causes vascular damage and ischemic necrosis in the intestines and brains of gnotobiotic pigs. These lesions are similar to those seen in the intestines of calves and human beings with hemorrhagic colitis and in the brains of human beings with thrombotic thrombocytopenic purpura.
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PMID:Clinical signs and lesions in gnotobiotic pigs inoculated with Shiga-like toxin I from Escherichia coli. 826 23


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