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 59,461 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Enteroviruses are common viruses associated with diverse clinical syndromes, ranging from minor febrile illness to severe, potentially fatal conditions (e.g., aseptic meningitis, encephalitis, paralysis, myocarditis, and neonatal enteroviral sepsis). A total of 68 enterovirus serotypes are recognized, including 65 nonpolio enteroviruses. Individual serotypes have different temporal patterns of circulation and can be associated with different clinical manifestations. This report describes trends in reported enterovirus infections in the United States during 2002-2004, including widespread circulation of two serotypes, echovirus 9 and echovirus 30, commonly associated with aseptic meningitis outbreaks. Monitoring circulating enteroviruses helped identify these two serotypes as primary causes of aseptic meningitis outbreaks in 2003. Increased state laboratory participation and timely reporting by all laboratories to CDC would further increase the public health utility of enterovirus surveillance.
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PMID:Enterovirus surveillance--United States, 2002-2004. 1648 79

Melioidosis which is infection with Burkholderia pseudomallei, is an important cause of sepsis in India, southeast Asia and northern Australia. Mortality is high and treatment is problematic. Neurological melioidosis is unusual but meningoencephalitis, encephalomyelitis and brain microabscess can occur Dural sinus thrombosis is not an uncommon cerebrovascular disorder with various etiologies. Hypercoagulable state, pregnancy, dehydration, certain blood dyscrasia and contraceptive pills are common causes however meningitis and local head & neck infections may lead to this condition. Dural sinus thrombosis complicating septicemic melioidosis has never been reported. The authors report a 42-year-old Thai man suffering from septicemic melioidosis with dural sinus thrombosis. He had high fever, headache, left hemiparesis, focal seizure and increased intracranial pressure. Diabetes and mild alcoholic cirrhosis were diagnosed in this admission. CT scan, MRI brain and MRV revealed superior saggital sinus thrombosis with complicating venous infarction over right posterior parietal lobe. Hemoculture demonstrated Burkholderia pseudomallei and CSF was acellular Investigations for causes of dural sinus thrombosis were all negative. This patient gradually improved after treatment with ceftazidime, antiepileptic drug and heparin without clinical recurrence. Neuromelioidosis is a rare syndrome that may present as brain abscess, encephalitis or meningoencephalitis. The authors report dural sinus thrombosis associated with septicemic melioidosis. The authors' hypothesis of venous thrombosis in the presented case is sepsis induced hypercoagulable state. Physicians should be aware of cerebral venous thrombosis in case of suspicious melioidosis with neurological involvement. Prompt treatment with intravenous heparin and antibiotic is potentially effective.
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PMID:Dural sinus thrombosis in melioidosis: the first case report. 1657 13

In this report, characteristics of two cases of Herpes simplex virus (HSV) encephalitis with normal cerebrospinal fluid (CSF) findings at the time of admission have been discussed and the current literature has been reviewed. The diagnosis of the cases (one was 23 years old male, and the other was 75 years old female patient) was made on the magnetic resonance imaging (MRI) findings concordant with HSV encephalitis, together with HSV-1 DNA positivity by polymerase chain reaction (PCR). Both of the patients were treated with acyclovir (3 x 750 mg/day) lasting for 15 days and 21 days, respectively. The first male patient recovered with mild neurological defects, whereas the second female patient died because of nosocomial pneumonia and septicemia. In conclusion, even the CSF findings are normal, in cases considered to be HSV encephalitis, MRI should be the first radiological diagnostic step and the diagnosis should be confirmed by the detection of HSV DNA in CSF by PCR.
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PMID:[Two cases of herpes encephalitis with normal cerebrospinal fluid findings]. 1677 63

X-linked agammaglobulinemia (XLA) is a primary immunodeficiency caused by mutations in the gene for Bruton tyrosine kinase (BTK) that result in the deficient development of B lymphocytes and hypogammaglobulinemia. Because the disorder is uncommon, no single institution has had sufficient numbers of patients to develop a comprehensive clinical picture of the disorder. Accordingly, a national registry of United States residents with XLA was established in 1999 to provide an updated clinical view of the disorder in a large cohort of patients. A total of 201 patients were registered by 66 physicians. The estimated birth rate for the 10-year period of 1988-1997 was 1/379,000. Infection was the most common initial clinical presentation (85%), followed by a positive family history (41%) and neutropenia (11%). Although the average age of diagnosis was younger in patients with a positive family history (mean, 2.59 yr) than in patients with a negative family history (mean, 5.37 yr) (p < 0.001), only 34.5% of patients with a positive family history at the time of their birth were diagnosed before clinical symptoms developed-that is, based on family history alone. Seventy percent of patients had at least 1 episode of otitis, 62% at least 1 episode of pneumonia, 60% at least 1 episode of sinusitis, 23% at least 1 episode of chronic/recurrent diarrhea, 21% at least 1 episode of conjunctivitis, 18% at least 1 episode of pyoderma and/or cellulitis, 11% at least 1 episode of meningitis/encephalitis, 10% at least 1 episode of sepsis, 8% at least 1 episode of septic arthritis, 6% at least 1 episode of hepatitis, and 3% at least 1 episode of osteomyelitis. Fourteen of 201 (6.9%) patients were dead at the time they were entered in the Registry. However, in a prospective 4 /4-year follow-up of living patients, only 3/80 (3.75%) patients died. Causes of death included disseminated enterovirus infection (n = 6), pulmonary insufficiency (n = 5), adenovirus infection (n = 1), sepsis (n = 1), acquired immunodeficiency disease syndrome (AIDS) (n = 1), myocarditis (n = 1), hepatitis (n = 2), and stem cell transplantation (n = 1).
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PMID:X-linked agammaglobulinemia: report on a United States registry of 201 patients. 1686 44

Enteroviruses are members of picornavirus family which causes diverse and severe diseases in humans and animals. Clinical manifestations of enterovirus infections include fever, hand, foot, and mouth disease, and herpangina. Enteroviruses also cause potentially severe and life-threatening infections such as meningitis, encephalitis, myocarditis, polio-like syndrome, and neonatal sepsis. With the emergence of enterovirus all over the world as the major causative agent of HFMD fatalities in recent years and in the absence of any effective anti-enteroviral therapy, there is clearly a need to find a specific antiviral therapy. Steps such as viral attachment, uncoating, viral RNA replication, and protein synthesis in the replication cycle can serve as potential targets for antiviral agents. Agents targeted at viral protein 1 (VP1), a relatively conserved capsid structure mediating viral adsorption and uncoating process, is of great potential to be anti-enterovirus drugs. Recently, considerable efforts have been made in the development of antiviral compounds targeting the capsid protein of enterovirus. This review summarizes the development of small molecules targeting enteroviral capsid protein as effective antiviral therapy.
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PMID:The efficacy of viral capsid inhibitors in human enterovirus infection and associated diseases. 1743 Jan 40

The Children's Analgesic Medicine Project (CAMP) was a multicenter, all-comers, openlabel, prospective study to compare the safety of ibuprofen suspension with acetaminophen suspension in children with fever and/or pain. Four hundred and twenty four (424) pediatricians enrolled 41 810 children (aged 1 month to 18 years old) at 69 US clinics. Safety data included information concerning medication use and adverse events (AEs) summarized by severity and analyzed by age groups (younger and older than 2 years). Among 30 144 children who took at least one dose of ibuprofen or acetaminophen, 14 281 were younger (< 2 yrs) and 15 863 were older ([Symbol: see text] 2 to < 12 yrs). Within both age groups, the incidence rates for specific AEs, including abdominal pain, insomnia, and hyperkinesia were rare and generally < 1% for both treatments. For younger children, fever, vomiting, diarrhea, rhinitis, rash and otitis media were the only AEs with an incidence rate > 1% (in either treatment group). For older children, the only AEs with an incidence rate > 1% in either group were rhinitis, pharyngitis and otitis media. AEs were generally mild to moderate for both treatments within the two age groups. There were no serious AEs, including anaphylaxis, Reye's syndrome, renal failure, GI bleeding/perforation or necrotizing fasciitis. There was a slightly higher overall incidence of side effects in the ibuprofen group (17.6% vs. 15.0%) for the younger children; and similar results were seen in the older children (11.9% vs. 10.7%). This may have been due to the preference of physicians to treat the sicker children with ibuprofen. There were four deaths, all unrelated to study medication, all occurring in children < 2 yrs (herpes encephalitis, sepsis due to 5. pneumoniae, medulloblastoma, and sudden infant death syndrome). The safety of ibuprofen suspension in children < 2 yrs was demonstrated in this study. The safety profile in children < 2 yrs is consistent with the excellent profile observed in children [Symbol: see text] 2 yrs. Overall, ibuprofen exhibited an AE profile similar to acetaminophen in both younger and older children.
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PMID:Safety profile of ibuprofen suspension in young children. 1763 93

Procalcitonin (PCT) is an established marker for severe systemic bacterial infection and sepsis in blood. Here we measured PCT by immunoassay in CSF and matched serum/plasma samples of controls and patients with different primary dementia disorders and acute neuroinflammation. PCT in CSF was significantly increased in patients with probable Alzheimer's disease, vascular dementia, dementia with Lewy bodies, frontotemporal dementia and acute neuroinflammation (encephalitis, meningitis) compared to non-demented controls. In contrast, PCT levels in matched plasma samples were normal in dementia groups, but elevated in meningitis/encephalitis. Our results indicate a central production of PCT and suggest PCT as a valuable marker candidate for the monitoring of dementia and acute neuroinflammation.
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PMID:Procalcitonin is elevated in the cerebrospinal fluid of patients with dementia and acute neuroinflammation. 1769 9

Infections with Clostridium perfringens usually manifest locally or spread to sepsis with multiorgan involvement, hemolysis or septic shock. Central nervous system (CNS) manifestations are rare and most frequently comprise meningitis with or without pneumencephalon, encephalitis, plexitis, cerebral abscess, or subdural empyema. The course of CNS affections is usually foudroyant and the outcome fatal. Neuromuscular manifestations of C. perfringens infections are much more frequent than CNS manifestations and comprise myonecrosis (gas gangrene), rhabdomyolysis, myositis, fasciitis, affection of the neuromuscular transmission, or affection of the peripheral nerves. C. perfringens infections usually start from the site of a recent surgical wound or trauma, a gastrointestinal or urogenital problem, or occur in association with malignancy. In quite a number of cases the source of origin remains speculative. Treatment of choice is surgical debridement of the infectious focus with radical removal of all necrotic tissue, resection of the corresponding lymphatics in addition to antibiotic therapy with penicillin G, aminoglycosides, or clindamycin or hyperbaric oxygenation. Despite these therapeutic options, the prognosis of CNS and neuromuscular involvement in an infection with C. perfringens is still poor. Only focal infections or clostridial brain abscesses may eventually have a more favorable outcome, if surgery and antibiotics are instantly provided. Generally, early recognition of the infectious agent is of paramount importance to prevent from spreading and the development of severe hemolysis, septic shock, or death.
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PMID:Neuromuscular and central nervous system manifestations of Clostridium perfringens infections. 1803 7

This case report describes a 36-week gestational age infant diagnosed with coxsackie B1 meningitis at 20 days of age. A head ultrasound 5 days after diagnosis was consistent with cystic periventricular leukomalacia. The scientific literature does not clearly elucidate differences between bacterial and viral infections in infants. When difficulties arise, it is pertinent to consider a viral etiology for the underlying illness and obtain a detailed maternal and infant history focusing on clinical symptoms, seasonality, geographic location, exposure, and incubation period. Polymerase chain reaction is a rapid and sensitive diagnostic test for the identification of enteroviruses in cerebrospinal fluid, blood, urine, and throat specimens and should be performed as part of the general workup in the evaluation of a febrile infant with sepsis. In retrospect, it may have established an earlier diagnosis of meningitis, consequently preventing the unnecessary use of antibiotics, potentially decreasing the length of hospitalization, and eliminating the need for more detailed investigations to rule out other etiological factors. In addition, treatment with pleconaril may have affected the severity of the encephalitis. This article reviews the pathogenesis, clinical manifestations, and differential diagnoses of enteroviral infections, specifically focusing on the prevention, treatment, and prognosis of the disease and the implications for clinical practice.
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PMID:A case report of a premature infant with coxsackie B1 meningitis. 1804 50

The Parechovirus genus of the Picornaviridae family contains two species, Human parechovirus (HPeV) and Ljungan virus (LV). The HPeVs (including the former echoviruses 22 and 23, now HPeV type 1 (HPeV1) and HPeV2, respectively) cause a wide spectrum of disease, including aseptic meningitis, gastroenteritis, encephalitis, acute respiratory illness, and neonatal sepsis-like disease. The LVs were isolated from bank voles in Sweden during a search for an infectious agent linked to fatal myocarditis cases in humans. Because of the decline in use of cell culture and neutralization to investigate enterovirus-like disease, very few laboratories currently have the capability to test for parechoviruses. We have developed a real-time reverse transcription-PCR (RT-PCR) assay for detection of all known members of the genus Parechovirus. The assay targets the conserved regions in the 5' nontranslated region (5'NTR) of the parechovirus genome and can detect both HPeVs and LVs, unlike other published parechovirus 5' NTR assays, which only detect known HPeVs or only LVs. HPeV and LV can be differentiated by sequencing the 5'NTR real-time RT-PCR amplicon, when needed. The assay is approximately 100 times more sensitive than cell culture and may be used to test original clinical specimens. The availability of a broad-specificity PCR method should facilitate the detection of new human parechoviruses, as well as new parechoviruses in other mammalian species, and provide an opportunity to investigate the role of these viruses in human and animal disease.
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PMID:Detection of all known parechoviruses by real-time PCR. 1852 69


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