Gene/Protein Disease Symptom Drug Enzyme Compound
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We review the 257 patients hospitalized for meningitis in the Cantonal University Hospital, Geneva between 1st January 1980 and 31st December 1986. 104 patients had acute bacterial meningitis (32 Str. pneumoniae, 21 N. meningitidis, 10 Listeria monocytogenes, 8 streptococci, 5 H. influenzae, 5 staphylococci, 4 gram negative bacilli and 19 without identified bacteria), 124 patients had viral meningitis and 29 meningitis of other etiologies (6 tuberculous meningitis, 2 fungal meningitis, 1 leptospiral meningitis, 5 neoplastic meningitis--one already counted because of a meningitis due to Staph. epidermidis--2 meningitis consecutive to a meningeal irritation, 4 already treated meningitis of undetermined etiology, 2 chronic meningitis and 8 meningoencephalitis). The total mortality was 14.4%. It was zero in viral meningitis and 28% in bacterial meningitis (47% in cases of Str. pneumoniae, 5% in cases of N. meningitidis, 20% in cases of Listeria monocytogenes, 38% in cases of streptococci, 0% in cases of H. influenzae, 60% in cases of staphylococci, 50% in cases of gram negative bacilli, 16% in cases of unidentified bacteria). The striking difference in mortality emphasizes the importance of recognizing a bacterial etiology in order to institute antibiotic therapy as soon as possible. The delay between admission and lumbar puncture averaged 15 hours (range 0.25-96 h) in patients with acute bacterial meningitis and 6.3 hours (0.5-80 h) in patients with viral meningitis. The delay between admission and institution of the antibiotics averaged 5.3 hours (1-48 h) in cases of acute bacterial meningitis and 4.8 hours (0.5-48 h) in cases of viral meningitis. A better clinical workup may provide a reliable diagnosis sooner. In the collective with bacterial and viral meningitis headaches, fever or nuchal rigidity were present in over 80% of the cases. The following features were significantly associated with a bacterial etiology: age over 30 years, alcoholism, concomitant neoplasm, cough, coma, pulmonary rales, new neurological signs or petechia. At least one of these 4 latter signs was present in more than 70% of the cases with acute bacterial meningitis compared to 6% in cases of viral meningitis. Thus the clinical presentation alone serves to recognize the meningitis and to differentiate between a bacterial or viral etiology, thus permitting an immediate therapeutic decision without waiting for complementary investigations. The 104 patients with acute bacterial meningitis were treated with antibiotics: 60 with penicillin, 17 with ampicillin and 26 with other antibiotics; one case did not receive antibiotics. More than the half of the cases with viral meningitis have got antibiotics (52%).
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PMID:[Meningitis in adults in Geneva. Review of 257 cases]. 185 79

Clinical and autopsy findings obtained from 15 male patients treated for acquired immunodeficiency syndrome (AIDS) at 3 hospitals in Sao Paulo provided a clearer profile of AIDS cases in Brazil. Of the 12 patients whose sexual orientation was recorded, 9 were homosexual and 3 were bisexual. 75% were between the ages of 22-36 years; 14 were white. The duration of diseases ranged from 14 days-7 months in this series, confirming the rapid evolution of AIDS from 1st symptom to death. The most common clinical manifestations of disease were fever, cough, weight loss, diarrhea, and lymphadenopathy. Organs most frequently involved were the lungs (13 cases) and encephalum (9 cases). Microscopic findings revealed 9 types of microorganisms, fungi, and protozoa, the most common of which was Cytomegalovirus (7 cases). The cause of death was meningoencephalitis in 7 cases and panlobar pneumonia in 3 cases. The incidence of Kaposi's sarcoma (2 cases) was surprisingly low in this series. In addition to lesions produced by microorganisms, there were important associated lesions represented by lymphocytic depletion, acute myocarditis, brown atrophy of neuronia, acute pancreatitis, and liver cirrhosis. Several microorganisms and tumors in these AIDS patients were discovered only at autopsy, confirming the importance of necropsy to the study of the natural history of this disease. An unexpected pathological finding in this series was the absence of cellular reactions to microorganisms, particularly Pneumocystis carinii, Cryptococcus neoformans, and Mycobacterium tuberculosis.
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PMID:Acquired immune deficiency syndrome (AIDS) in Brazil. Necropsy findings. 362 18

An emerging swine disease principally involving periweaning piglets was examined. The disease was clinically characterized by lethargy, fever, emaciation, coughing, and severe abdominal breathing, hence colloquially named "Heko-heko" disease. The consistent lesions in affected piglets were diffuse interstitial pneumonia with pronounced type II pneumocytic proliferation, meningoencephalitis, and regression of the lymphoid tissues. The causal virus was isolated in primary porcine lung cell (PLC) cultures from various organs of affected piglets and showed serological relatedness to the European porcine reproductive and respiratory syndrome (PRRS) virus. Numerous virus particles, measured about 49 nm in diameter, were detected in the cytoplasm of alveolar epithelial cells and pulmonary macrophages in PLC cultures infected with the isolate. The condition could be experimentally reproduced in conventional piglets by intranasal inoculation with the isolate and the virus was reisolated from the infected animals.
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PMID:An outbreak of porcine reproductive and respiratory syndrome in Japan. 786 92

A fifty-year-old Portuguese man presented with a six-month history of low back pain, which initially was mechanical and slowly became inflammatory. Secondarily, he complained of right atypical sciatalgia. He did not report any fever, loss of weight, cough nor personal or familial history of tuberculosis. General examination was normal. Neurologic examination showed weakness of the extensors of the right leg, with a symmetric increased reflexes of the lower extremities suggesting a pyramidal syndrome without Babinski's sign. Laboratory data were normal as well as chest radiographs. Dorsolumbar gadolinium enhanced MRI revealed an intramedullary ringlike enhancing mass at T12 level. Lumbar puncture showed 11 WBC/mm3 (95 p. 100 lymphocytes), a normal protein and glucose content. PCR and culture for Mycobacterium tuberculosis were negative. Within a few days, he developed meningoencephalitis with fever, CSF examination revealed then 360 WBC/mm3 (65 p. 100 lymphocytes and 17 p. 100 neutrophils), a protein content of 7 g/l and a glucose level of 1.7 mmol/l. The clinical picture was then suggestive of tuberculosis and a specific therapy with rifampin, izoniazid, pyrazinamid, ethambutol and steroids was started. Clinical improvement and a second CSF culture that revealed one month later Mycobacterium tuberculosis complex confirmed this diagnosis. Ten months later, the patient was asymptomatic with a normal MRI. To our knowledge, this is the first total recovery of an intramedullary tuberculoma on medical therapy alone, confirmed by MRI normalization. We reviewed also 19 recent cases of tuberculomas in the literature, intending a therapeutic attitude when discovering an intramedullary ringlike enhancing mass on MRI.
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PMID:[Intramedullary tuberculoma: a case report]. 977 87

A 23-year-old woman with mild psychomotor retardation presented with fever, coughing, reduced consciousness and a stiff neck. A chest X-ray revealed an infiltrate in the left lower lobe; the cerebrospinal fluid was cloudy with a mild pleocytosis. Ceftriaxone was prescribed and the fever subsided. On the second day of admission she had a seizure, and a paraparesis emerged. Despite changes in the antibiotic regimen, her clinical condition hardly improved. On the fifth day, antibodies against Mycoplasma pneumoniae were found to be strongly positive and the diagnosis was M. pneumoniae infection. This accounted for the pneumonia together with meningoencephalitis and a transverse myelitis. The antibiotics were switched to doxycycline and the clinical condition improved dramatically. Six weeks after discharge, the patient had made a complete recovery. In patients suffering from meningitis with an atypical presentation, uncommon causes of infection should be considered. Together with a pneumonia, M. pneumoniae, Chlamydia pneumoniae, Legionella pneumophila and Listeria monocytogenes should be high on the list of potential causes for bacterial meningitis.
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PMID:[Clinical reasoning and decision-making in practice. A young woman with fever, shortness of breath, and reduced consciousness]. 1289 64

Human immunodeficiency virus type 1 (HIV-1) infection has a broad spectrum of clinical manifestations, ranging from asymptomatic seroconversion to a severe symptomatic illness resembling infectious mononucleosis or other medical conditions including hepatitis, meningoencephalitis, or pneumonitis. Without clinical alertness, the illness is usually misdiagnosed or even not considered. Here we report 3 cases of acute HIV-1 infection with either a negative HIV-1 antibody assay or an indeterminate Western blot result, but high plasma levels of HIV-1 RNA. The initial presentations included fever, skin rash, sore throat, neck lymphadenopathy, cough and headache. One patient presented with infectious mononucleosis-like illness, 1 with aseptic meningitis, and 1 with acute tonsillitis. Physicians should be alert to the possibility of acute HIV-1 infection, especially in cases with unexplained fever, lymphadenopathy or rash.
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PMID:Acute human immunodeficiency virus infection. 1569 30

West Nile virus (WNV) is a member of the Flaviviridae family, genus Flavivirus. Its reservoir hosts are wild birds. Infection is transmitted to humans by infected mosquitoes of the genus Culex. In most cases, it is either asymptomatic or manifests itself as mild fever. Typically, WNV illnesshas a sudden onset with fever above 39 degrees C and accompanying symptoms such as chills, headache, arthralgia, myalgia, back ache, cough and sore throat. Gastrointestinal symptoms are frequently reported. Generalized lymphadenopathy and conjunctivitis may develop. In some patients the infection can progress to meningoencephalitis. Diagnosis is currently based on detection of IgM antibodies in blood and cerebrospinal fluid or direct detection of WNV RNA.
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PMID:[West Nile virus fever]. 1661 42

A 57-year old woman had a five-day history of cough and high fever followed by abnormal behavior and headache with signs of meningeal irritation. A cerebrospinal fluid (CSF) exam revealed polymorphonuclear pleocytosis. Streptococcus pneumoniae was cultured from the patient's CSF and serum. Clinical features and laboratory investigations supported a diagnosis of pneumococcal meningoencephalitis. After treatment with intravenous meropenem (MEPM), the patient's laboratory data improved and her neck stiffness disappeared, but a brain MRI showed white matter lesions in the bilateral frontal and temporal lobes. The patient responded to pulse therapy with intravenous methylprednisolone (1 g/day), carried out over three days: she recovered neurological function and her MRI lesions resolved. We report a case of acute meningoencephalitis caused by Streptococcus pneumoniae, mimicking acute disseminated encephalomyelitis (ADEM). We suggest that pneumococcal infection is one of the pathogenetic factors in ADEM.
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PMID:[Acute meningoencephalitis caused by Streptococcus pneumoniae, mimicking acute disseminated encephalomyelitis]. 1845 57

Scrub typhus is an endemic disease in eastern Taiwan. We conducted a study of scrub typhus cases among hospitalized pediatric patients. Twenty-eight pediatric cases were confirmed to be scrub typhus (either by immunofluorescence assay or polymerase chain reaction) from 2000 to 2005. The medical records of these patients were reviewed for demographics and clinical manifestations. The majority of the children (60.7%) diagnosed with scrub typhus were male. Approximately half the patients were < 5 years old and the mean age (SD) was 6.1 (3.66) years. Patients were more likely to live in rural rather than urban areas. The greatest number of cases was seen in the spring and summer. The primary clinical symptoms included fever (100%), cough (50%), eschar (50%), rash (35.7%), poor appetite (42.9%), lymphadenopathy (42.9%), headache (39.3%), and hepatomegaly (35.7%). AC-reactive protein (CRP) was elevated in 100%, an aspartate aminotransferase (AST) was elevated in 100%, an alanine aminotransferase (ALT) level was elevated in 91.3%, hypoalbuminemia was found in 88.9% and proteinuria in 50%. The mean (SD) duration of antibiotics was 11.0 (2.68) days and the mean (SD) duration for fever resolution after treatment was 2.8 (2.51) days. Meningoencephalitis was noted in 6 patients. Our case series had no mortalities. These results suggest that a diagnosis of scrub typhus should be suspected in children with fever and laboratory evidence of liver dysfunction who live in rural eastern Taiwan.
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PMID:Scrub typhus in children in a teaching hospital in eastern Taiwan, 2000-2005. 1984 16

Chlamydophila (Chlamydia) pneumoniae is a common, non-zoonotic cause of community-acquired pneumonia (CAP) in ambulatory young adults. C. pneumoniae clinically presents as a mycoplasma-like illness frequently accompanied by laryngitis. C. pneumoniae CAP may also cause nursing home outbreaks in the elderly. Similar to Mycoplasma pneumoniae in immunocompetent hosts, C. pneumoniae CAP usually manifests as a mild/moderately severe CAP. In contrast with Legionnaire's disease, central nervous system involvement is usually not a feature of C. pneumoniae CAP. M. pneumoniae may rarely present with meningoencephalitis accompanied by high cold agglutinin titers. We present the case of a young man who presented with M. pneumoniae-like illness and was hospitalized for severe CAP that was accompanied by a pertussis-like cough and severe headache. Although his chest x-ray showed a right upper lobe infiltrate, a lumbar puncture was performed to rule out meningitis, but his cerebrospinal fluid profile was unremarkable. Titers for non-zoonotic atypical pneumonia pathogens were negative except for a highly elevated C. pneumoniae immunoglobulin-M titer (1:320). Testing for legionella and pertussis was negative. Q fever and adenoviral titers were also negative. Cold agglutinin titers were repeatedly negative. The patient was successfully treated with moxifloxacin but developed permanent asthma after C. pneumoniae CAP. This case is unusual in several aspects. First, C. pneumoniae usually presents as a mild to moderate CAP, but in this case it was severe. Second, hoarseness was absent, which would have suggested C. pneumoniae. Third, wheezing was an important clue to the diagnosis of C. pneumoniae, which is not a clinical finding with other causes of CAP. Fourth, permanent asthma may follow C. pneumoniae, as well as M. pneumoniae CAP. Fifth, severe headache mimicking M. pneumoniae meningoencephalitis may rarely accompany C. pneumoniae CAP.
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PMID:C. pneumoniae community-acquired pneumonia (CAP) in mimicking Mycoplasma pneumoniae meningoencephalitis complicated by asthma. 1994 78


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