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Calculated decisions: Rule of 7s for Lyme meningitis. PEDIATRIC EMERGENCY MEDICINE PRACTICE 2018; 15:CD1-CD2. [PMID: 30179409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 08/10/2018] [Indexed: 06/08/2023]
Abstract
The Rule of 7s for Lyme Meningitis is a validated clinical prediction rule to distinguish Lyme meningitis from aseptic meningitis.
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Not All Aseptic Meningitis Is Created Equal. Hosp Pediatr 2017; 7:765-768. [PMID: 29191826 DOI: 10.1542/hpeds.2016-0184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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Aseptic and Bacterial Meningitis: Evaluation, Treatment, and Prevention. Am Fam Physician 2017; 96:314-322. [PMID: 28925647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The etiologies of meningitis range in severity from benign and self-limited to life-threatening with potentially severe morbidity. Bacterial meningitis is a medical emergency that requires prompt recognition and treatment. Mortality remains high despite the introduction of vaccinations for common pathogens that have reduced the incidence of meningitis worldwide. Aseptic meningitis is the most common form of meningitis with an annual incidence of 7.6 per 100,000 adults. Most cases of aseptic meningitis are viral and require supportive care. Viral meningitis is generally self-limited with a good prognosis. Examination maneuvers such as Kernig sign or Brudzinski sign may not be useful to differentiate bacterial from aseptic meningitis because of variable sensitivity and specificity. Because clinical findings are also unreliable, the diagnosis relies on the examination of cerebrospinal fluid obtained from lumbar puncture. Delayed initiation of antibiotics can worsen mortality. Treatment should be started promptly in cases where transfer, imaging, or lumbar puncture may slow a definitive diagnosis. Empiric antibiotics should be directed toward the most likely pathogens and should be adjusted by patient age and risk factors. Dexamethasone should be administered to children and adults with suspected bacterial meningitis before or at the time of initiation of antibiotics. Vaccination against the most common pathogens that cause bacterial meningitis is recommended. Chemoprophylaxis of close contacts is helpful in preventing additional infections.
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ASEPTIC MENINGITIS IN ADULTS CAUSING BY VIRUS, BACTERIA, DRUG WITH SPECIAL REFERENCES TO ZOONOTIC PARASITES. JOURNAL OF THE EGYPTIAN SOCIETY OF PARASITOLOGY 2016; 46:319-340. [PMID: 30152941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Diagnosis of a patient with aseptic meningitis may be so-difficult because of the large vanety of potential etiologic agents as viruses, fungi, parasites and some drugs and the overlap between self-limited viral illnesses and potentially fatal bact~nial infections.
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5
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[Subcutaneous abscess following epidural catheterization]. Ugeskr Laeger 2009; 171:1938-1939. [PMID: 19500519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
A case of subcutaneous abscess and meningitis symptoms after insertion of epidural catheter is presented. The symptoms were pain at the site of insertion two days after insertion, later fever and neck rigidity. Treatment is surgical intervention after appropriate diagnostics by magnetic resonance imaging, and administration of appropriate antibiotics.
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Simultaneous detection of viruses and Toxoplasma gondii in cerebrospinal fluid specimens by multiplex polymerase chain reaction-based reverse hybridization assay. THE NEW MICROBIOLOGICA 2009; 32:143-146. [PMID: 19579690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The lack of rapidity and the low sensitivity and specificity of traditional laboratory methods limits their usefulness in the laboratory diagnosis of viral central nervous system (CNS) infections. This study describes the use of a commercially available multiplex polymerase chain reaction (mPCR)-based reverse hybridization assay (RHA) for the simultaneous detection of the genomes of 8 viruses and Toxoplasma gondii in cerebrospinal fluids (CSF) from 181 patients suspected of having viral meningitis. Twenty-two/181 (12.15%) CSF samples resulted positive by mPCR. Eighteen/22 were positive for 1 viral pathogen, whereas a dual infection was detected in 4/22 samples. Epstein-Barr virus (EBV) was the most commonly detected virus (6/22), followed by herpes simplex virus type-1 (HSV-1) (5/22) and -2 (HSV-2) (4/22). Cytomegalovirus (CMV), human herpesvirus-6 (HHV-6), and Epstein-Barr virus (EBV) were detected in 1 specimen each. Two CSF samples were co-infected by HSV-1/HSV-2, 1 sample by HHV-6/T. gondii, and 1 sample by EBV/EV, respectively. Our data support the usefulness of mPCR as a rapid molecular method for the simultaneous detection of major viral pathogens and T. gondii in aseptic meningitis also to allow the earlier application of specific antiviral therapy.
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[Aseptic meningitis]. DUODECIM; LAAKETIETEELLINEN AIKAKAUSKIRJA 2009; 125:2721-2727. [PMID: 20175326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Aseptic meningitis is a benign condition often triggered by a virus or an immunological process. For example herpes virus, borrelia, tuberculosis, a fungus or an autoimmune disease may underlie meningitides presenting prolonged or recurrent symptoms. It is essential to identify the meningitis patients among the diverse group of headache patients and carry out focused investigations and treatment, and in mild cases to avoid complications caused by the investigations. Analgesic and antiemetic medication are usually sufficient for symptomatic treatment. Etiological treatment is available for some patients.
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Meningitis due to leptospiria hardjo--identifying a treatable cause of aseptic lymphocytic meningitis. IRISH MEDICAL JOURNAL 2008; 101:91. [PMID: 18540550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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[Aseptic meningitis]. NIHON RINSHO. JAPANESE JOURNAL OF CLINICAL MEDICINE 2007; 65 Suppl 3:368-73. [PMID: 17491408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
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Report of two cases of aseptic meningitis with persistence of pneumococcal cell wall components in cerebrospinal fluid after Pneumococcal meningitis. J Clin Microbiol 2006; 44:4285-7. [PMID: 17005744 PMCID: PMC1698364 DOI: 10.1128/jcm.01120-06] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
We describe two cases of aseptic meningitis occurring some time after pneumococcal meningitis. Both cases may have resulted from an inflammatory response to persistent pneumococcal cell membrane components, as the cerebrospinal fluid samples were positive by the Binax NOW Streptococcus pneumoniae antigen test. Potential mechanisms and diagnostic impact are discussed.
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Central nervous system manifestations of Mycoplasma pneumoniae infections. J Infect 2005; 51:343-54. [PMID: 16181677 DOI: 10.1016/j.jinf.2005.07.005] [Citation(s) in RCA: 122] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2005] [Accepted: 07/23/2005] [Indexed: 11/27/2022]
Abstract
Mycoplasma pneumoniae infection is associated with several manifestations from the central nervous system (CNS) such as encephalitis, aseptic meningitis, acute transverse myelitis, stroke, and polyradiculopathy. In the current paper epidemiologic, clinical, laboratory and treatment data on these manifestations are reviewed. The M. pneumoniae induced immune dysregulation and its contributing role in the pathogenesis of neurological insult is discussed. The recent introduction in clinical practice of newer molecular diagnostic techniques has helped in establishing a firmer association between M. pneumoniae infection and CNS disease especially encephalitis. Clinicians should be aware of the potential association between M. pneumoniae infection and several CNS manifestations. The role of various anti-microbial or immunomodulating therapies in treating such manifestations should be further explored.
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Cytokines involved in CNS manifestations caused by Mycoplasma pneumoniae. Pediatr Neurol 2005; 33:105-9. [PMID: 16087054 DOI: 10.1016/j.pediatrneurol.2005.03.003] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2004] [Revised: 02/10/2005] [Accepted: 03/07/2005] [Indexed: 01/21/2023]
Abstract
Mycoplasma pneumoniae sometimes causes central nervous system manifestations, which may involve the host immune response, as the organism does not directly damage neural cells, or release toxins. Therefore we measured the levels of interleukin-6, interleukin-8, interleukin-18, interferon-gamma, tumor necrosis factor-alpha, and transforming growth factor-beta1 in serum and cerebrospinal fluid samples from patients who manifested central nervous system manifestations during acute M. pneumoniae infection. The subjects were nine patients with early-onset encephalitis (central nervous system disease onset within 7 days from the onset of fever), four with late-onset encephalitis (onset at 8 days or later), three with encephalitis but without fever, and three with aseptic meningitis. Intrathecal elevations of interleukin-6 and interleukin-8 in all four types of central nervous system manifestations, and of interleukin-18 in late-onset encephalitis were observed. None of the cerebrospinal fluid samples contained detectable levels of interferon-gamma, tumor necrosis factor-alpha, or transforming growth factor-beta1. In conclusion, interleukin-6, interleukin-8, and interleukin-18 might be involved in the inflammatory process leading to the central nervous system manifestations caused by M. pneumoniae.
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Aseptic meningitis as initial presentation of rheumatic fever in an adult man: an extraordinary rare manifestation. Int J Clin Pract 2005; 59:259. [PMID: 15854206 DOI: 10.1111/j.1742-1241.2005.00202.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Interpretation of traumatic lumbar punctures: who can go home? Pediatrics 2003; 111:525-8. [PMID: 12612231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
Abstract
OBJECTIVE To determine whether a ratio of observed to predicted (O:P) cerebrospinal fluid (CSF) white blood cells (WBCs) after a traumatic lumbar puncture (LP) can be used to predict which patients do not have meningitis and can safely be discharged from the hospital. METHODS A retrospective medical record review was performed on 2 cohorts of previously healthy children who had received an LP at Children's Memorial Hospital in Chicago, IL. All children were older than 1 month and had a red blood cell (RBC) count in the CSF >500/mm(3). Cohort 1 consisted of children who were examined in 1990 through 1999 and had CSF cultures positive for a bacterial pathogen. Cohort 2 consisted of children who were tested during January through December 1999 and had a CSF culture negative for any bacterial pathogen. Exclusion criteria included patients who received antibiotics within 72 hours before evaluation, patients with a previous neurosurgical procedure or CNS bleed, and patients whose complete blood count was not done within 6 hours of LP. The predicted CSF WBC count was calculated using the formula CSF WBC (predicted) = CSF RBC x (blood WBC/blood RBC). The O:P ratio was obtained by dividing the observed CSF WBC by the predicted CSF WBC. The simple ratio of WBCs to RBCs was also calculated. Sensitivity, specificity, positive predictive value, and negative predictive value were calculated to predict the absence of disease. Receiver operator characteristic curves were generated for the O:P ratio and the WBC:RBC ratio. Continuous variables were analyzed with Mann-Whitney U test. RESULTS Among the 57 patients who fit all of the study criteria, 12 (21%) had positive CSF cultures for bacterial pathogens. The patients with meningitis were significantly older (median: 7.8 months; range: 1-106 months) than the patients without meningitis (median: 1.3 months; range: 1-139 months). The O:P ratio was significantly lower in the patients without meningitis (median: 0.064; range: 0.000054-1.09) as compared with patients with meningitis (median: 1.26; range: 0.045-4.72). The WBC:RBC ratio was significantly lower in the patients without meningitis (median: 0.001; range: 0-4.46) as compared with patients with meningitis (median: 1.98; range: 0.04-24.45). The specificity and positive predictive value of an O:P ratio <or=0.01 and a WBC:RBC ratio <or=1:100 were 100% predicting the absence of disease. The area under the curve for the O:P ratio (0.981) did not differ significantly from the area under the curve for the WBC:RBC ratio (0.970). CONCLUSION A WBC:RBC ratio of <or=1:100 (0.01) and an O:P ratio of <or=0.01 identified a large group of patients without meningitis. Using these methods in children younger than 1 month, the majority of patients without meningitis can be differentiated from those with meningitis despite the CSF abnormalities associated with a traumatic LP. However, the clinician should examine all clinical and laboratory information before opting not to treat a child after a traumatic LP.
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Abstract
PURPOSE The objective of the study was to evaluate the maps of apparent diffusion coefficients (ADCs) and diffusion-weighted (DW) images in demonstrating meningoencephalitic lesions in children. MATERIALS AND METHODS Between May 1998 and May 2000, 18 infants and children (4.5-190 months old) suffering from meningoencephalitis were included in the study. The diagnoses were bacterial meningoencephalitis in 8 and aseptic or viral in 10 patients. All 18 patients had brain MRI examinations. In the axial plane, three pulse sequences were performed on all patients: (1) FSE T2W images; (2) fast FLAIR images; (3) single-shot echoplanar DW images were acquired. Another 18 patients from the control group also received DW image examination. ADCs were computed for all regions on each DW image. RESULTS The absolute values of CNRs of lesions on T2W (7.27+/-5.51), FLAIR (5.56+/-5.03) and DW (13.36+/-16.64) images were significantly greater than those on ADC maps (0.42+/-0.30) in the study group of patients (P<.01). In addition, absolute CNRs on DW images were significantly greater than on T2W and FLAIR images (P<.01). However, lesions on ADC maps in the study group have significantly greater CNRs than in the control group (0.13+/-0.12) (P<.01). CNRs on initial DW images from patients with atrophy or swelling of meningoencephalitic lesions were significantly different from the CNRs of those patients without significant changes in meningoencephalitic lesions (P=.02<.05). CONCLUSION The DW image is a sensitive tool for detecting meningoencephalitic lesions and is better than FSE T2W and fast FLAIR images in CNRs. Diffusion MR techniques provides new ways to possibly predict the outcome of intracranial infectious diseases in children.
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Abstract
BACKGROUND The combination of cefotaxime and fosfomycin (CTX-FOS) has been proposed in France for the empirical treatment of postoperative nosocomial meningitis since the late 1980s. The purpose of this work was to evaluate this strategy today, as well as other possible treatments. METHODS Each patient undergoing a neurosurgical procedure was prospectively included in a database designed for the surveillance of surgical site infection (SSI). For each meningitis detected, we analysed the in vitro susceptibility of the causative micro-organisms to cefotaxime alone (CTX), cefotaxime-fosfomycin (CTX-FOS), vancomycin (VAN) and cefotaxime-vancomycin (CTX-VAN) combinations. The patient population was divided into two groups according to the presence or absence of CSF shunting material. FINDINGS 116 patients had had a postoperative meningitis/ventriculitis during the last 36 months, among 6447 patients undergoing neurosurgery in our department (1.8%). Ten patients had aseptic meningitis (8.6%). Overall sensitivity to CTX was 69.8%, as compared to 77.3% with CTX-FOS combination (NS). This result was due to a large proportion of fosfomycin resistant cocci in our population. The CTX-VAN combination increased the overall in vitro susceptibility up to 91.5%, but the benefit of this combination was only significant in CSF shunting material patients. In these latter patients, VAN was as effective as CTX-FOS combination. INTERPRETATION CTX-FOS combination is no longer the best choice for empirical treatment of post neurosurgical meningitis. CTX alone can be safely used in patients without a CSF shunt; in those with either a ventriculostomy or a CSF shunt associated ventriculitis, a CTX-VAN combination could improve treatment efficacy, provided that high doses of vancomycin are used to ensure correct CSF diffusion.
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A hospital outbreak of aseptic meningitis due to echovirus type 30 in Antalya, Turkey. Turk J Pediatr 2002; 44:237-9. [PMID: 12405436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
Abstract
We analyzed clinical and laboratory findings of 23 hospitalized patients with aseptic meningitis in the Department of Pediatrics, Akdeniz University Hospital. The patients presented with the classic symptoms and signs of aseptic meningitis. Protein levels of the cerebrospinal fluid (CSF) samples ranged from 18 to 99 mg/dl, with a mean of 36.5 +/- 4.9 mg/dl. The mean ratio of CSF glucose compared to blood samples was 0.73. Echovirus type 30 was identified in CSF and/or stool samples of 19 patients. Four patients had negative virus culture. The outcome was favorable in all patients. We thought that this outbreak of aseptic meningitis in our department might denote a summer outbreak in the city. However, this remained unproven since field investigations could not be completed. Advances in virus culture or polymerase chain reaction techniques and satisfactory medical records may help patient care by promoting early diagnosis and by eliminating unnecessary antibiotic therapy, allowing epidemiological studies.
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[Aseptic meningitis syndrome due to enterovirus and Leptospira sp in children of Salvador, Bahia]. Rev Soc Bras Med Trop 2002; 35:159-65. [PMID: 12011925 DOI: 10.1590/s0037-86822002000200006] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
For the purpose of identifying the frequency that enterovirus, leptospires, arbovirus cause aseptic meningitis syndrome (AMS) during non-epidemic periods and comparing patients with and without laboratory evidence for an etiologic agent, 112 patients were selected aged between 3 months and 15 years and a clinical suspicion of AMS and were referred to Couto Maia Hospital, the Infectious and Parasitic Disease Reference Center for Salvador, Bahia. In 44.6% (n=50), the etiologic agent for the diagnosis was laboratory-confirmed: enterovirus was identified in 37.7% (n=42) of the cases by the PCR Amplicor diagnostic kit, cerebrospinal fluid or fecal culture isolation; Leptospira sp. in 7.12% (n=8) by the microagglutination test; and arbovirus in non of the cases by inhibition of passive hemagglutination. In 14 of the 22 enteroviral isolates that were evaluated, 6 different serotypes were identified with Echovirus-4 being the major serotype (27.2%; 6/22) among all found (Coxsackie B2, B3, B6 and B9; Enterovirus 71). In conclusion, enteroviruses were the most frequent etiologic agent of AMS and that leptospirosis should be included in the differential diagnosis. In addition, patients with and without laboratory-confirmed identification of the etiologic agent had similar demographic and clinical characteristics and cerebrospinal fluid findings (p >0.05), therefore suggesting that patients without a confirmed diagnosis had enteroviral or leptospiral etiologies.
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Abstract
Erythema migrans is the characteristic exanthem of Lyme disease. The rash initially occurs at the site of inoculation; subsequently satellite lesions can occur. We describe an adolescent girl in whom the rash appeared after the initiation of ceftriaxone therapy for aseptic meningitis. We suggest that the occurrence of rash in this patient was a result of liberated toxin from local bacterial lysis.
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Abstract
INTRODUCTION Central nervous system complications are commonly described in Staphylococcus aureus endocarditis but peripheral nervous system involvement is rare. EXEGESIS We report the case of a 65-year-old woman who had tetraparesia and aseptic meningitis revealing S. aureus endocarditis. The presence of purpura on the lower limbs led to an initial diagnosis of meningococcal meningitis. Tetraparesia was due to an acute motor axonal neuropathy. Anti-GM1 antibodies were negative. Meningitis and tetraparesia improved with antibiotic therapy. CONCLUSION Acute motor axonal neuropathy may be a presenting symptom of S. aureus endocarditis.
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Mycobacterium tuberculosis meningitis and other etiologies of the aseptic meningitis syndrome. Semin Neurol 2001; 20:329-35. [PMID: 11051297 DOI: 10.1055/s-2000-9428] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Mycobacterium tuberculosis is one of the most common infectious agents in the world. It causes an insidious form of meningitis characterized by headache, low-grade fever, stiff neck and cranial nerve palsies, and an acute meningoencephalitis characterized by coma, raised intracranial pressure, seizures, and focal neurological deficits. This review focuses on the diagnosis and therapy of the insidious form of tuberculous meningitis and discusses the differential diagnosis of infectious and noninfectious etiologies of the aseptic meningitis syndrome.
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Recurring aseptic meningitis after travel to the tropics: a case of Mollaret's meningitis? Case report with review of the literature. Clin Neurol Neurosurg 2000; 102:113-5. [PMID: 10817900 DOI: 10.1016/s0303-8467(00)00074-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Recurrent aseptic meningitis in a 35-year-old caucasian woman is described. She had many attacks over a period of 9 years. The first attack occurred after travel in the tropics. In spite of extensive examinations no cause could be found for the recurrent attacks. Both the clinical presentation and characteristics of the cerebrospinal fluid are compatible with the diagnosis of Mollaret's meningitis. There is no known cure for this condition, although colchicine and indomethacin have been mentioned to relieve symptoms. In our patient, a treatment with indomethacin during the last attack resulted in a clear and rapid improvement of symptoms. Since this episode only mild relapses have occurred, all of which responded well to the same treatment. This case highlights the long time span in which attacks of Mollaret's meningitis can occur, and the spectacular benefit of indomethacin.
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[Aseptic meningitis caused by Mycoplasma pneumoniae]. Enferm Infecc Microbiol Clin 2000; 18:94-6. [PMID: 10721586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
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Aseptic meningitis caused by Mycoplasma pneumoniae in a 19-year-old woman. Eur J Clin Microbiol Infect Dis 1999; 18:228-9. [PMID: 10357062 DOI: 10.1007/s100960050266] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Vancomycin use. Pediatr Emerg Care 1999; 15:74-7. [PMID: 10069321 DOI: 10.1097/00006565-199902000-00021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Study of the aetiologic agents of meningitis in Kumasi, Ghana, with special reference to Cryptococcal neoformans. EAST AFRICAN MEDICAL JOURNAL 1998; 75:516-9. [PMID: 10493053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
OBJECTIVE To evaluate the importance of Cryptococcus neoformans, an opportunistic in meningitis, in healthy and HIV infected patients in Kumasi, Ghana. DESIGN A prospective study; isolating the aetiologic agents of meningitis from cerebrospinal fluid (CSF) using standard methods. SETTING Kumasi city, Ashanti region of central Ghana. SUBJECTS One thousand five hundred and seventy patients suspected of meningitis, including 28 HIV infected and AIDS patients. MAIN OUTCOME MEASURE The pattern and distribution of the main etiologic agents of meningitis in Kumasi, Ghana shown. RESULTS Of the 1570 CSF samples examined, 1256 (80%) showed no abnormality. Of the 314 (20%) with abnormalities, 147 were bacterial, and 167 diagnosed aseptic. No cryptococcal cells were found. CONCLUSION There is a paucity of cryptococcal meningitis in Kumasi, Ghana, and it is not recommended to screen routinely for the fungus in meningitis investigations.
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MESH Headings
- AIDS-Related Opportunistic Infections/cerebrospinal fluid
- AIDS-Related Opportunistic Infections/epidemiology
- AIDS-Related Opportunistic Infections/microbiology
- Adolescent
- Adult
- Child
- Child, Preschool
- Cryptococcosis/cerebrospinal fluid
- Cryptococcosis/epidemiology
- Cryptococcosis/microbiology
- Cryptococcus neoformans
- Female
- Ghana/epidemiology
- Humans
- Infant
- Male
- Mass Screening
- Meningitis, Aseptic/cerebrospinal fluid
- Meningitis, Aseptic/epidemiology
- Meningitis, Aseptic/microbiology
- Meningitis, Bacterial/cerebrospinal fluid
- Meningitis, Bacterial/epidemiology
- Meningitis, Bacterial/microbiology
- Meningitis, Fungal/cerebrospinal fluid
- Meningitis, Fungal/epidemiology
- Meningitis, Fungal/microbiology
- Prospective Studies
- Urban Health
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[Outbreak of aseptic meningitis in Iwamizawa, 1997, caused by echovirus 30]. KANSENSHOGAKU ZASSHI. THE JOURNAL OF THE JAPANESE ASSOCIATION FOR INFECTIOUS DISEASES 1998; 72:747-52. [PMID: 9745226 DOI: 10.11150/kansenshogakuzasshi1970.72.747] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
To investigate the clinical character of an outbreak of aseptic meningitis in Iwamizawa 1997 caused by echovirus 30, and to investigate the spreading of the outbreak, we analyzed clinical character of 75 hospitalized patients in our hospital, and mapped the patients' distribution in Iwamizawa City each week. We detected in our hospital an epidemic outbreak of acute enteroviral meningitis caused by echovirus type 30 in Iwamizawa, from September to December, 1997. Regarding the patients, there was little prevalence in males, with an average age of 6 years and a range of 0 to 13 years of age. The most constant symptoms were three major one such as headache (90%), fever up (89%), vomiting/nausea (87%), sometimes sorethroat (30%) and abdominal pain (15%). One case had a febrile convulsion temporally, and two cases had acute meningoencephalopathy and- encephalitis. In the cereblospinal fluid (CSF), we found no predominance of mononuclear cell (MNC) (58%) in the differential cell count. The mean of the peak of CSF cell counts was 654/3. White blood cell (WBC) was 8940/microliters, and CRP 1.4 mg/dl. None of them was detected in the bacterial culture of the CSF. Viral cultures were performed on CSF in 26 cases. Echovirus type 30 was isolated in 4 cases of hospitalized patients, and in one case with meningismus without pleocytosis. The beginning of the outbreak was observed in two kindergarten and one elementary school side by side. The peak of the whole outbreak was detected in the 3rd to 6th week, however the school spreading peak was detected in the 3rd and 4th week, and spreading was going in the whole city.
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Abstract
Samples of cerebrospinal fluid from 103 patients with aseptic meningitis were tested by PCR for detection of leptospires, and the results were compared with those of the microscopic agglutination test (MAT) and an enzyme-linked immunosorbent assay for detection of immunoglobulin M (ELISA-IgM). Of these samples, 39.80% were positive by PCR and 8.74 and 3.88% were positive by MAT and ELISA-IgM, respectively.
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[Aseptic meningitis caused by Coxiella burnetti]. Enferm Infecc Microbiol Clin 1997; 15:229. [PMID: 9312290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Interleukin-8 in cerebrospinal fluid from patients with meningitis of different etiologies: its possible role as neutrophil chemotactic factor. J Infect Dis 1995; 172:581-4. [PMID: 7622911 DOI: 10.1093/infdis/172.2.581] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Interleukin (IL)-8 concentrations were analyzed in 70 cerebrospinal fluid (CSF) samples from patients with meningitis of different etiologies and in 34 normal CSF samples. Patient groups included those with pyogenic meningitis, viral meningitis, self-resolving aseptic meningitis without a specific diagnosis, and meningitis of other etiologies and normal CSF from patients with and without neurologic disease. All samples from patients with pyogenic meningitis (18) but only 3 from patients with meningitis of other etiologies and with CSF polymorphonuclear leukocyte (PMNL) counts > or = 80% had IL-8 levels > or = 2.5 ng/mL. IL-8 was above the normal level (< or = 0.5 ng/mL) in samples from 5 of 13 viral and 8 of 23 self-resolving aseptic meningitis patients and in 7 of 13 samples from patients with meningitis caused by other microorganisms. There was a significant relationship between IL-8 levels and CSF PMNL counts in patients with nonpyogenic meningitis. The data suggest a possible role of IL-8 as PMNL chemotactic factor in different infections of the subarachnoid space, not only in pyogenic meningitis.
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MESH Headings
- Adolescent
- Adult
- Aged
- Aged, 80 and over
- Case-Control Studies
- Child
- Child, Preschool
- Female
- Humans
- Infant
- Inflammation/immunology
- Interleukin-8/cerebrospinal fluid
- Interleukin-8/immunology
- Leukocyte Count
- Male
- Meningitis/cerebrospinal fluid
- Meningitis/etiology
- Meningitis/immunology
- Meningitis, Aseptic/cerebrospinal fluid
- Meningitis, Aseptic/immunology
- Meningitis, Aseptic/microbiology
- Meningitis, Bacterial/cerebrospinal fluid
- Meningitis, Bacterial/immunology
- Meningitis, Bacterial/microbiology
- Meningitis, Fungal/cerebrospinal fluid
- Meningitis, Fungal/immunology
- Meningitis, Fungal/microbiology
- Meningitis, Viral/cerebrospinal fluid
- Meningitis, Viral/immunology
- Meningitis, Viral/virology
- Middle Aged
- Neutrophils/immunology
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Neuroretinitis, aseptic meningitis, and lymphadenitis associated with Bartonella (Rochalimaea) henselae infection in immunocompetent patients and patients infected with human immunodeficiency virus type 1. Clin Infect Dis 1995; 21:352-60. [PMID: 8562744 DOI: 10.1093/clinids/21.2.352] [Citation(s) in RCA: 124] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Bartonella (Rochalimaea) henselae causes a variety of diseases, including bacillary angiomatosis, peliosis hepatis, lymphadenitis, aseptic meningitis with bacteremia, and cat-scratch disease (CSD). Cases of B. henselae-related disease were collected from September 1991 through November 1993. Patients with suspected CSD, unexplained fever and lymphadenitis, or suspected B. henselae infection who were seen in the Infectious Diseases Clinic at Wilford Hall Medical Center (Lackland Air Force Base, TX) underwent physical and laboratory examinations. In addition to three previously described cases, 23 patients with R. henselae-related infection were identified. The patients included 19 immunocompetent individuals presenting with lymphadenitis (11), stellate neuroretinitis (5), Parinaud's oculoglandular syndrome with retinitis (1), chronic fatigue syndrome-like disease (1), and microbiologically proven adenitis without the presence of immunofluorescent antibodies to B. henselae (1) and four patients infected with human immunodeficiency virus type 1 presenting with isolated lymphadenitis (1), diffuse upper-extremity adenitis (1), neuroretinitis (1), and aseptic meningitis (1). A couple with neuroretinitis and their pet cat, a persistently fatigued patient, and a patient with Parinaud's oculoglandular syndrome were shown to have bacteremia. Tissue cultures were positive for B. henselae in three recent cases of adenitis. Twenty-two patients were exposed to cats. This series further demonstrates the similarities between B. henselae-related diseases and CSD and identifies several new syndromes due to B. henselae.
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Central nervous system infections. The usual and the unusual. Emerg Med Clin North Am 1995; 13:417-43. [PMID: 7737027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The emergency physician must have an intentional approach to the child suspected of having meningitis. Emerging diagnostic tools and therapies, including the use of corticosteroids, are discussed. In addition, CNS infections that are less commonly seen are reviewed, including tuberculous meningitis and herpes simplex virus encephalitis.
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MESH Headings
- Child, Preschool
- Encephalitis, Viral/diagnosis
- Encephalitis, Viral/therapy
- Herpes Simplex/diagnosis
- Herpes Simplex/therapy
- Humans
- Infant
- Infant, Newborn
- Meningitis, Aseptic/etiology
- Meningitis, Aseptic/microbiology
- Meningitis, Aseptic/therapy
- Meningitis, Bacterial/diagnosis
- Meningitis, Bacterial/drug therapy
- Meningitis, Bacterial/etiology
- Meningitis, Bacterial/prevention & control
- Risk Factors
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37
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The diagnosis of tuberculous meningitis using the polymerase chain reaction. Singapore Med J 1994; 35:360-3. [PMID: 7899891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
AIM DNA amplification by the polymerase chain reaction (PCR) was evaluated as a means for rapid diagnosis of tuberculous meningitis (TBM). METHODS A 240 bp region (nts 460-700) from the MPB 64 protein coding gene specific for Mycobacterium tuberculosis (TB) was selected for amplification. Nineteen clinical samples were studied. Six were obtained from patients with TBM diagnosed by culture (4/6) or by response to therapy (2/6). The remaining 13 samples were obtained from patients with febrile seizu es (8/13), aseptic meningitis (3/13) and septic meningitis (2/13), and these served as negative controls. RESULTS We detected TB DNA in all the 6 CSF specimens obtained from patients with TBM. PCR alone was sufficient to detect TB DNA in 5 of these 6 samples. However, one sample was positive only when PCR was followed by oligonucleotide hybridisation. In the 2 patients whose CSF were obtained only after commencement of TB therapy, TB cultures were negative but positive on PCR nd oligoprobe labelling. The diagnosis of TBM was confirmed based on their remarkable response to therapy. Twelve of the thirteen negative controls were TB DNA negative. There was one false positive sample, which was thought to be due to TB DNA contamination. CONCLUSION Taken together, our results indicate that DNA amplification using PCR, followed by oligonucleotide hybridisation offers a rapid (5 working days) means of diagnosis of TBM, provided care is taken to ensure that cross contamination of DNA samples is avoided.
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MESH Headings
- DNA Primers
- DNA Probes
- DNA, Bacterial/analysis
- DNA, Bacterial/genetics
- Gene Amplification
- Genes, Bacterial/genetics
- Humans
- Meningitis, Aseptic/diagnosis
- Meningitis, Aseptic/microbiology
- Meningitis, Bacterial/diagnosis
- Meningitis, Bacterial/microbiology
- Mycobacterium tuberculosis/genetics
- Nucleic Acid Hybridization
- Oligonucleotides/genetics
- Polymerase Chain Reaction
- Seizures, Febrile/diagnosis
- Seizures, Febrile/microbiology
- Tuberculosis, Meningeal/cerebrospinal fluid
- Tuberculosis, Meningeal/diagnosis
- Tuberculosis, Meningeal/microbiology
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Abstract
Meningeal involvement in leptospiral infection is quite common, usually mild and often overlooked. In contrast, cases of isolated involvement of the central nervous system, including aseptic meningitis, have been reported only rarely. A case of a patient with acute aseptic meningitis caused by Leptospira australis serovar bratislava is reported. This is believed to be the first report of aseptic meningitis due to Leptospira australis. This case indicates the need to consider human leptospirosis in the differential diagnosis of aseptic meningitis.
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Abstract
A nested PCR for the detection and rapid identification of human picornaviruses is described. Enteroviruses and rhinoviruses were amplified with the same set of four primers from the 5'-noncoding region. The nested primers allowed the detection of far less than 1 PFU in diluted virus stocks without Southern blot hybridization. In patients with neurological disorders (mainly aseptic meningitis), 43% of 37 specimens (11 of 21 cerebrospinal fluid specimens, 2 of 10 serum specimens, and 3 of 6 stool specimens) were positive by PCR. A total of 21% (10 of 47 specimens) of heart biopsy specimens from patients with dilative cardiomyopathy were PCR positive, whereas 3% (2 of 70 specimens) of control biopsy specimens from patients with coronary artery disease were PCR positive. PCR-amplified fragments from 27 of 29 clinical isolates and 14 of 28 patient samples were successfully serotyped by restriction enzyme digestion. Two specimens were further investigated by direct sequencing of PCR products, leading to the identification of a poliovirus type 3 isolate with a sequence that was highly divergent from previously published sequences.
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Herpes simplex type 2 in a patient with Mollaret's meningitis: demonstration by polymerase chain reaction. Ann Neurol 1994; 35:112-6. [PMID: 8285581 DOI: 10.1002/ana.410350118] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
We describe a patient with recurrent self-limited aseptic meningitis meeting the criteria for Mollaret's syndrome, in whom extensive serological investigation and cerebrospinal fluid analysis failed to reveal a specific cause. Using polymerase chain reaction techniques to amplify herpes simplex viral DNA, we were able to identify the presence of herpes simplex virus type 2 in the cerebrospinal fluid. The duration of clinical illness may have been shortened by treatment with intravenous acyclovir. We suggest that herpes simplex virus may be a more common cause of aseptic meningitis than has been demonstrated by current commonly available serological and culture techniques.
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Herpes simplex virus type 2 DNA in cerebrospinal fluid of a woman with recurrent meningitis. Clin Infect Dis 1993; 17:941-2. [PMID: 8286655 DOI: 10.1093/clinids/17.5.941] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
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42
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[Epidemic of aseptic meningitis with echovirus type 30 in Gifu Prefecture]. KANSENSHOGAKU ZASSHI. THE JOURNAL OF THE JAPANESE ASSOCIATION FOR INFECTIOUS DISEASES 1993; 67:1068-75. [PMID: 8270799 DOI: 10.11150/kansenshogakuzasshi1970.67.1068] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
During July to December in 1991, an epidemic of aseptic meningitis occurred in Gifu Prefecture in children. Epidemiological, virological and serological investigations were performed. The results are as follows: 1) Cases involved ranged from 0 to 13 years of age, and 75.9% of them were in the 3 to 7 year of age group. 2) Three types of enteroviruses were isolated from 83 of 133 cases (62.4%), and the echovirus type 30 was recovered from 71 cases (85.5%). 3) In 1991 with the cross neutralizing test between the prototype and isolated strains of echovirus type 30, a remarkable antigenic variation could not be found. 4) In serological studies, the positive rates of neutralizing antibodies to echovirus type 30 in infant sera aged 0-9 years in 1992-1993, was 51.9% with the prototype strain, but 34.0% with an isolated strain in 1991.
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Abstract
We describe three patients with benign recurrent aseptic meningitis (Mollaret's meningitis). For one of these cases, the episodes of meningitis were associated with herpetic outbreaks. Mollaret cells, which are a hallmark of Mollaret's meningitis, were present in the CSF from two of the three patients. In all cases, herpes simplex virus type 2 DNA was present in the CSF during the acute illness as detected by polymerase chain reaction amplification, although viral cultures from CSF were all negative. Herpesviruses, notorious for frequent and sporadic recurrence, are ideal candidates for the cause of Mollaret's meningitis.
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Isolation of parainfluenza virus type 3 from cerebrospinal fluid associated with aseptic meningitis. Am J Clin Pathol 1993; 99:705-7. [PMID: 8391749 DOI: 10.1093/ajcp/99.6.705] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Parainfluenza virus type 3 has been isolated from the cerebral spinal fluid (CSF) from six individuals--four children and two adults--over a 10-year period. All had fever, and four had signs of meningitis. All recovered uneventfully, including one child undergoing chemotherapy for medulloblastoma. The clinical presentation of this child who developed parainfluenza virus type 3 meningitis is described, and the cases of five other individuals with parainfluenza virus type 3 isolated from the CSF are briefly reviewed. The paramyxovirus parainfluenza type 3, in addition to mumps virus, may be considered capable of infecting the central nervous system.
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45
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Abstract
Reports on aseptic meningitis caused by human parvovirus B19 are extremely rare. A case of aseptic meningitis is described in which human parvovirus B19 DNA was detected in the acute phase in cerebrospinal fluid by the polymerase chain reaction.
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Detection of enteroviral RNA by polymerase chain reaction in cerebrospinal fluid from patients with aseptic meningitis. SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES 1993; 25:547-57. [PMID: 8284639 DOI: 10.3109/00365549309008542] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
An assay based on a 2-step (semi-nested) polymerase chain reaction (PCR) was developed and evaluated for detection of enterovirus-specific RNA in cerebrospinal fluid (CSF) from patients with aseptic meningitis of different etiology. The limit of detectability of enteroviral RNA was equivalent to about 0.25 tissue culture infective doses 50%. In samples, stored at -70 degrees C, analyzed without repeated thawing, enteroviral RNA was demonstrable in 21/22 CSF specimens from which an enterovirus had been isolated. Enteroviral RNA was shown to be degraded during freeze-thawing of the samples. In repeatedly freeze-thawed samples from 134 consecutive patients with aseptic meningitis, a lower sensitivity (34/48 = 0.71) was observed. In the latest phase of the study, comprising 35 consecutive patients, the PCR was performed in CSF stored at -20 degrees C without thawing. In this material, the PCR yielded positive results in 19 patients, whereas enteroviruses were isolated from 6 cases only. In the total clinical material of 169 patients, 67 (40%) were found positive by PCR, whereas an enterovirus was isolated from CSF in 54 (32%) cases. All the 13 isolated enterovirus serotypes found in the study were demonstrable by PCR, indicating that the assay is broad-reacting within the enterovirus group. The specificity appeared to be high, since all of 21 patients with non-enteroviral diagnoses were negative by the PCR test, except 1 with an Epstein-Barr virus infection. As serological evidence of enteroviral etiology was found in this patient, a dual infection seemed probable. This study indicates that enteroviral RNA can be detected in CSF by a 2-step PCR in meningitis caused by enterovirus and that the technique has the potential to become a screening method for routine diagnosis of enteroviral meningitis.
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An unusual manifestation of Chlamydia pneumoniae infection: meningitis, hepatitis, iritis and atypical erythema nodosum. SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES 1993; 25:259-61. [PMID: 8511521 DOI: 10.3109/00365549309008494] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A 37-year-old man was admitted to hospital with fever, muscle tenderness, headache and mild exanthema on the right thigh. During his hospital stay, the headache worsened and aseptic meningitis was diagnosed. A bilateral iritis developed, and the exanthema developed into an atypical erythema nodosum. In liver function tests, pathological results were recorded. Vasculitis was suspected but could not be confirmed. All serological tests proved negative except for a fourfold titre rise to Chlamydia pneumoniae. We concluded that the meningitis, hepatitis, iritis and atypical erythema nodosum were most probably due to a C. pneumoniae infection.
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Echovirus type 30 infection associated with aseptic meningitis in Nassau County, New York, USA. Intervirology 1993; 36:53-6. [PMID: 8225911 DOI: 10.1159/000150321] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
An outbreak of echovirus type 30, primarily affecting infant under 1 year old, was documented in Nassau County, N.Y., USA. Twenty-four of the 40 infected patients were definitively diagnosed with aseptic meningitis. A positive correlation was found between the proportion of polymorphonuclear leukocytes and the overall cerebrospinal fluid white cell count.
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Leptospirosis in aseptic meningitis. HOSPITAL PRACTICE (OFFICE ED.) 1992; 27:19. [PMID: 1522167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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50
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Detection of enteroviral RNA by polymerase chain reaction in faecal samples from patients with aseptic meningitis. J Med Virol 1992; 38:54-61. [PMID: 1328511 DOI: 10.1002/jmv.1890380112] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
An assay based on the polymerase chain reaction (PCR) for detection of enteroviral RNA in stool samples was carried out using specimens from 74 patients with aseptic meningitis. The primer pair and probe were derived from the highly conserved 5' non-coding enterovirus genomic region. Enteroviral RNA was detected in faeces of all 36 patients in whom an enterovirus was isolated from stool. The PCR assay yielded positive results in additionally 3/6 cases where enterovirus diagnoses were obtained by virus isolation from cerebrospinal fluid and/or serological tests. Thus, the positive outcome of the PCR assay was 39 (93%) among the 42 patients with enterovirus diagnoses. Furthermore, 7/19 (37%) cases with an etiology that was not established by other means were positive in the test indicating that the PCR assay may give considerable additional etiological information in patients with aseptic meningitis. The limit of RNA detectability in the PCR assay was about 100 TCID50 when highly cytopathogenic enterovirus types (coxsackievirus type B5 and echovirus type 11) were tested. The PCR was negative in all 13 patients with non-enterovirus diagnoses except in one case with a herpes simplex virus type 2 infection. Since enterovirus-specific IgM antibodies could be detected in this case a dual infection seemed probable. All the negative controls, included in the study, were PCR-negative and no contamination was encountered. This study proves the usefulness of the PCR assay for detection of enteroviral RNA in stool samples and suggests that the test may be an alternative to virus isolation for rapid enterovirus diagnosis in patients with aseptic meningitis.
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