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Evaluating the Brighton Collaboration case definitions, aseptic meningitis, encephalitis, myelitis, and acute disseminated encephalomyelitis, by systematic analysis of 255 clinical cases. Vaccine 2010; 28:3488-95. [PMID: 20197145 DOI: 10.1016/j.vaccine.2010.02.053] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2007] [Revised: 02/09/2010] [Accepted: 02/15/2010] [Indexed: 11/23/2022]
Abstract
AIMS Brighton Collaboration (BC) case definitions are independent from presumed causes or triggers, hence should be applicable in routine clinical settings. SCOPE 255 cases with discharge diagnoses of aseptic meningitis (ASM; n=164), encephalitis (ENC; n=48), myelitis (MYE; n=8), ADEM (n=10), or bacterial meningitis (BM; n=59; control group) were tested against the BC case definitions ASM, ENC, MYE, and ADEM. Overall rates of agreement between BC criteria and discharge diagnoses were 70%, 78%, 97%, and 97% for ASM, ENC, MYE and ADEM, respectively. CONCLUSION BC case definitions are easily applicable in retrospective chart reviews allowing causality assessments with minimal selection bias.
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Lack of cerebrospinal fluid pleocytosis in young infants with enterovirus infections of the central nervous system. Pediatr Emerg Care 2010; 26:77-81. [PMID: 20093996 DOI: 10.1097/pec.0b013e3181ce2fad] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVES To identify factors associated with cerebrospinal fluid (CSF) pleocytosis among infants aged 90 days or younger with enterovirus (EV) infections of the central nervous system (CNS). METHODS This is a retrospective cohort study performed at an urban academic children's hospital. Patients aged 90 days or younger with a positive CSF EV polymerase chain reaction (PCR) test result obtained during the EV seasons from 2000 to 2006 were included. Patients with concomitant serious bacterial illness or herpes simplex virus infection were excluded. Multivariable logistic regression was used to identify factors independently associated with CSF pleocytosis. RESULTS A total of 159 patients had a positive CSF EV PCR test result during the study period; 5 (3.1%) were excluded for concurrent serious bacterial infection. The median CSF white blood cell (WBC) count was 110/microL (interquartile range, 11-311/microL). Cerebrospinal fluid pleocytosis was present in 109 patients (71%). The proportion of infants with CSF pleocytosis accompanying EV CNS infections increased with age; CSF pleocytosis was present in 59%, 74%, and 90% of infants aged 0 to 28, 29 to 56, and 57 to 90 days, respectively (P = 0.007). Age and peripheral WBC count were independently associated with CSF pleocytosis. CONCLUSIONS Among infants with EV CNS infections, the absence of CSF pleocytosis is related to younger age and lower peripheral WBC counts, perhaps reflecting the decreased ability of younger infants to mount a robust inflammatory response to EV infection. Thus, CSF EV PCR testing may be warranted in select patients without CSF pleocytosis.
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Kanegaye JT, Nigrovic LE, Malley R, Cannavino CR, Schwab SH, Bennett JE, Mohseni MM, Wang VJ, Katsogridakis YL, Herman MI, Kuppermann N. Diagnostic value of immature neutrophils (bands) in the cerebrospinal fluid of children with cerebrospinal fluid pleocytosis. Pediatrics 2009; 123:e967-71. [PMID: 19451189 DOI: 10.1542/peds.2008-1742] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE We evaluated the diagnostic utility of the presence and number of cerebrospinal fluid (CSF) bands in distinguishing bacterial from aseptic meningitis among children with CSF pleocytosis. METHODS We identified retrospectively a cohort of children 29 days to 19 years of age with CSF pleocytosis (> or =10 x 10(6) leukocytes per L) who were treated in the emergency departments of 8 pediatric centers between January 2001 and June 2004 and whose CSF was evaluated for the presence of bands. We performed bivariate and multivariate analyses to determine the ability of CSF bands to distinguish bacterial from aseptic meningitis. RESULTS Among 1116 children whose CSF was evaluated for the presence of bands, 48 children (4% of study patients) had bacterial meningitis. Bacterial meningitis, compared with aseptic meningitis, was associated with a greater CSF band proportion (0.03 vs 0.01; difference: 0.02; 95% confidence interval: 0.00-0.04) and CSF absolute band count (392 x 10(6) cells per L vs 3 x 10(6) cells per L; difference: 389 x 10(6) cells per L; 95% confidence interval: -77 x 10(6) cells per L to 855 x 10(6) cells per L). In addition, 29% of patients with bacterial meningitis, compared with 18% of patients with aseptic meningitis, had any bands detected in the CSF. After adjustment for other factors associated with bacterial meningitis, however, CSF band presence, CSF absolute band count, and CSF band proportion were not independently associated with bacterial meningitis. CONCLUSION In this multicenter study, neither the presence nor quantity of CSF bands independently predicted bacterial meningitis among children with CSF pleocytosis.
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Affiliation(s)
- John T Kanegaye
- Division of Emergency Medicine, Rady Children's Hospital San Diego, 3020 Children's Way, MC 5075, San Diego, CA 92123, USA.
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Nigrovic LE, Malley R, Macias CG, Kanegaye JT, Moro-Sutherland DM, Schremmer RD, Schwab SH, Agrawal D, Mansour KM, Bennett JE, Katsogridakis YL, Mohseni MM, Bulloch B, Steele DW, Kaplan RL, Herman MI, Bandyopadhyay S, Dayan P, Truong UT, Wang VJ, Bonsu BK, Chapman JL, Kuppermann N. Effect of antibiotic pretreatment on cerebrospinal fluid profiles of children with bacterial meningitis. Pediatrics 2008; 122:726-30. [PMID: 18829794 DOI: 10.1542/peds.2007-3275] [Citation(s) in RCA: 136] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE The goal of this study was to evaluate the effect of antibiotic administration before lumbar puncture on cerebrospinal fluid profiles in children with bacterial meningitis. METHODS We reviewed the medical records of all children (1 month to 18 years of age) with bacterial meningitis who presented to 20 pediatric emergency departments between 2001 and 2004. Bacterial meningitis was defined by positive cerebrospinal fluid culture results for a bacterial pathogen or cerebrospinal fluid pleocytosis with positive blood culture and/or cerebrospinal fluid latex agglutination results. Probable bacterial meningitis was defined as positive cerebrospinal fluid Gram stain results with negative results of bacterial cultures of blood and cerebrospinal fluid. Antibiotic pretreatment was defined as any antibiotic administered within 72 hours before the lumbar puncture. RESULTS We identified 231 patients with bacterial meningitis and another 14 with probable bacterial meningitis. Of those 245 patients, 85 (35%) had received antibiotic pretreatment. After adjustment for patient age, duration and severity of illness at presentation, and bacterial pathogen, longer duration of antibiotic pretreatment was not significantly associated with cerebrospinal fluid white blood cell count, cerebrospinal fluid absolute neutrophil count. However, antibiotic pretreatment was significantly associated with higher cerebrospinal fluid glucose and lower cerebrospinal fluid protein levels. Although these effects became apparent earlier, patients with >or=12 hours of pretreatment, compared with patients who either were not pretreated or were pretreated for <12 hours, had significantly higher median cerebrospinal fluid glucose levels (48 mg/dL vs 29 mg/dL) and lower median cerebrospinal fluid protein levels (121 vs 178 mg/dL). CONCLUSIONS In patients with bacterial meningitis, antibiotic pretreatment is associated with higher cerebrospinal fluid glucose levels and lower cerebrospinal fluid protein levels, although pretreatment does not modify cerebrospinal fluid white blood cell count or absolute neutrophil count results.
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Affiliation(s)
- Lise E Nigrovic
- Children's Hospital Boston and Harvard Medical School,, Boston, MA 02115, USA.
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Balding J, Healy CM, Livingstone WJ, White B, Mynett-Johnson L, Cafferkey M, Smith OP. Genomic polymorphic profiles in an Irish population with meningococcaemia: is it possible to predict severity and outcome of disease? Genes Immun 2004; 4:533-40. [PMID: 14647192 DOI: 10.1038/sj.gene.6364020] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Patients with meningococcal disease have increased plasma levels of proinflammatory cytokines IL-6, IL-1beta, and TNF-alpha, with higher levels associated with fatal outcome. This study investigated whether polymorphisms in genes encoding these cytokines, and in those encoding anti-inflammatory IL-10 and IL-1Ra, are associated with the outcome in patients with meningococcal disease. Seven polymorphisms were genotyped in 183 meningococcal disease patients and 389 controls. The IL-6 -174 G/G and IL-10 -1082 A/A genotypes were more frequent in nonsurvivors compared with survivors (P=0.023 IL-6, 0.25 IL-10), and in patients with severe disease compared to those with mild disease (P=0.037 IL-6, 0.0078 IL-10). An association was also found between meningococcal disease and the IL-1RN VNTR polymorphism, but no association was observed with the LTA +252, TNF -308, IL-10 -592, or IL-1B +3953 polymorphisms. We conclude that genetic variability in the IL-6, IL-10, and IL-1RN genes is associated with a poor outcome in meningococcal disease.
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Affiliation(s)
- J Balding
- Department of Genetics, Trinity College, Dublin, Ireland
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Tsolia MN, Theodoridou M, Tzanakaki G, Kalabalikis P, Urani E, Mostrou G, Pangalis A, Zafiropoulou A, Kassiou C, Kafetzis DA, Blackwell CC, Kremastinou J, Karpathios TE. The evolving epidemiology of invasive meningococcal disease: a two-year prospective, population-based study in children in the area of Athens. FEMS IMMUNOLOGY AND MEDICAL MICROBIOLOGY 2003; 36:87-94. [PMID: 12727371 DOI: 10.1016/s0928-8244(03)00083-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In response to an increase in the incidence in invasive meningococcal disease (IMD) due to Neisseria meningitidis, a system of hospital- and laboratory-based surveillance was used in a prospective epidemiological and clinical assessment of IMD in children 0-13 years of age hospitalized in the Athens area between 1 January 1999 and 31 December 2000. The annual incidence of laboratory-confirmed disease was 10.2/100,000. Serogroup B strains were predominant. There was a sharp decrease in serogroup C from 19% of cases in 1999 to 3% in 2000 (P=0.013). Of note was the emergence of serogroup A responsible for 7% of the cases. The overall case fatality rate was 4.5%, but 2.8% for microbiologically confirmed cases. A remarkable decrease in disease severity assessed by admissions to intensive care units was noted during the second study year. Polymerase chain reaction-based methods for detection of meningococcal DNA were the sole positive laboratory test in 45% of the cases and the only test on which serogroup determination was based in 52% of groupable cases. The epidemiological and clinical profile of meningococcal disease appears to be rapidly evolving and close monitoring is required particularly for input into decisions regarding use of meningococcal vaccines.
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Affiliation(s)
- Maria N Tsolia
- Second Department of Pediatrics, University of Athens, P. and A. Kyriakou Children's Hospital, 115 27 Athens, Greece.
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Nigrovic LE, Kuppermann N, Malley R. Development and validation of a multivariable predictive model to distinguish bacterial from aseptic meningitis in children in the post-Haemophilus influenzae era. Pediatrics 2002; 110:712-9. [PMID: 12359784 DOI: 10.1542/peds.110.4.712] [Citation(s) in RCA: 127] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
CONTEXT Children with meningitis are routinely admitted to the hospital and administered broad-spectrum antibiotics pending culture results because distinguishing bacterial meningitis from aseptic meningitis is often difficult. OBJECTIVE To develop and validate a simple multivariable model to distinguish bacterial meningitis from aseptic meningitis in children using objective parameters available at the time of patient presentation. DESIGN Retrospective cohort study of all children with meningitis admitted to 1 urban children's hospital from July 1992 through June 2000, randomly divided into derivation (66%) and validation sets (34%). PATIENTS Six hundred ninety-six previously healthy children aged 29 days to 19 years, of whom 125 (18%) had bacterial meningitis and 571 (82%) had aseptic meningitis. INTERVENTION Multivariable logistic regression and recursive partitioning analyses identified the following predictors of bacterial meningitis from the derivation set: Gram stain of cerebrospinal fluid (CSF) showing bacteria, CSF protein > or =80 mg/dL, peripheral absolute neutrophil count > or =10 000 cells/mm3, seizure before or at time of presentation, and CSF absolute neutrophil count > or =1000 cells/mm3. A Bacterial Meningitis Score (BMS) was developed on the derivation set by attributing 2 points for a positive Gram stain and 1 point for each of the other variables. MAIN OUTCOME MEASURE The accuracy of the BMS when applied to the validation set. RESULTS A BMS of 0 accurately identified patients with aseptic meningitis without misclassifying any child with bacterial meningitis in the validation set. The negative predictive value of a score of 0 for bacterial meningitis was 100% (95% confidence interval: 97%-100%). A BMS > or =2 predicted bacterial meningitis with a sensitivity of 87% (95% confidence interval: 72%-96%). CONCLUSIONS The BMS accurately identifies children at low (BMS = 0) or high (BMS > or =2) risk of bacterial meningitis. Outpatient management may be considered for children in the low-risk group.
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Affiliation(s)
- Lise E Nigrovic
- Department of Medicine, Children's Hospital and Harvard Medical School, Boston, Massachusetts 02115, USA
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Nguyen T, Malley R, Inkelis S, Kuppermann N. Comparison of prediction models for adverse outcome in pediatric meningococcal disease using artificial neural network and logistic regression analyses. J Clin Epidemiol 2002; 55:687-95. [PMID: 12160917 DOI: 10.1016/s0895-4356(02)00394-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The objective of this study was to compare artificial neural network (ANN) and multivariable logistic regression analyses for prediction modeling of adverse outcome in pediatric meningococcal disease. We analyzed a previously constructed database of children younger than 20 years of age with meningococcal disease at four pediatric referral hospitals from 1985-1996. Patients were randomly divided into derivation and validation datasets. Adverse outcome was defined as death or limb amputation. ANN and multivariable logistic regression models were developed using the derivation set, and were tested on the validation set. Eight variables associated with adverse outcome in previous studies of meningococcal disease were considered in both the ANN and logistic regression analyses. Accuracies of these models were then compared. There were 381 patients with meningococcal disease in the database, of whom 50 had adverse outcomes. When applied to the validation data set, the sensitivities for both the ANN and logistic regressions models were 75% and the specificities were both 91%. There were no significant differences in any of the performance parameters between the two models. ANN analysis is an effective tool for developing prediction models for adverse outcome of meningococcal disease in children, and has similar accuracy as logistic regression modeling. With larger, more complete databases, and with advanced ANN algorithms, this technology may become increasingly useful for real-time prediction of patient outcome.
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Affiliation(s)
- Tran Nguyen
- Department of Pediatrics, Kaiser Permanente, Sacramento, CA, USA
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Inkelis SH, O'Leary D, Wang VJ, Malley R, Nicholson MK, Kuppermann N. Extremity pain and refusal to walk in children with invasive meningococcal disease. Pediatrics 2002; 110:e3. [PMID: 12093984 DOI: 10.1542/peds.110.1.e3] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Early recognition of invasive meningococcal disease in children may be difficult. Extremity pain and refusal to walk (extremity symptoms) are uncommonly mentioned as clinical findings in children who present with this disease. We sought to determine 1) the frequency of extremity symptoms as part of the clinical presentation in children with invasive meningococcal disease and 2) whether these symptoms help identify children with otherwise unsuspected meningococcal disease. METHODS We reviewed the medical records of patients who were younger than 20 years and had invasive meningococcal disease from 1985 to 1996 at 3 pediatric referral centers. Children with extremity symptoms were identified and described. We compared clinical and laboratory findings and frequency of adverse outcomes between these children and those with invasive meningococcal disease without extremity symptoms. RESULTS We identified 274 children with invasive meningococcal disease, 45 (16%) of whom had either history or physical examination evidence of extremity pain (31) or refusal to walk (14) as part of their clinical presentations. Five of the 45 patients had arthritis at the time of presentation. Patients with extremity symptoms at presentation were significantly older (77.9 +/- 62.2 vs 44.0 +/- 56.9 months), had lower temperatures (38.8 +/- 1.2 degrees C vs 39.2 +/- 1.2 degrees C), and had higher band counts (28.2 +/- 15.2% vs 18.1 +/- 12.4%) than did patients without extremity symptoms. There were no significant differences, however, between groups with regard to rash, white blood cell counts, coagulation parameters, prevalence of meningitis, or adverse outcomes. Seventy-three (27%) of the 274 patients had unsuspected disease, and 5 (7%) of these had extremity symptoms at the time of diagnosis. CONCLUSIONS Sixteen percent of children with invasive meningococcal disease have extremity symptoms at the time of diagnosis. These symptoms may help to identify some patients with otherwise unsuspected invasive meningococcal disease.
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Affiliation(s)
- Stanley H Inkelis
- Department of Emergency Medicine, Harbor-UCLA Medical Center, Torrance, California 90509, USA.
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Mercier JC, Bingen E, Schlegel N, Elion J, Casanova JL, Mira JP, Beaufils F. [Meningococcal purpura fulminans: untoward result of genetic polymorphism?]. Arch Pediatr 2001; 8:843-52. [PMID: 11524916 DOI: 10.1016/s0929-693x(01)00529-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Despite significant progress in intensive care medicine, the mortality of septic shock has not changed in recent years. Early recognition of subtle signs in favor of meningococcal sepsis, early antibiotic treatment, and aggressive hemodynamic support remains the cornerstone of therapy of severe meningococcal shock in children. Recent work has emphasized the role of genetic polymorphisms in various systems to explain the most severe cases: anti-inflammatory cytokine profile IL-10/TNF-alpha, elevated levels of plasminogen activator inhibitor type-1, variants of the gene for mannose-binding lectin complement pathway. This may explain the disillusionment of pediatric intensivists, and the general failure of immunotherapy for sepsis. Reasonable hope lies upon new meningococcal vaccines.
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Affiliation(s)
- J C Mercier
- Service de pédiatrie-réanimation, hôpital Robert-Debré, 48, boulevard Sérurier, 75019 Paris, France.
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LeMaire SA, Miller CC, Conklin LD, Schmittling ZC, Köksoy C, Coselli JS. A new predictive model for adverse outcomes after elective thoracoabdominal aortic aneurysm repair. Ann Thorac Surg 2001; 71:1233-8. [PMID: 11308166 DOI: 10.1016/s0003-4975(00)02678-3] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Recent recommendations have emphasized individualized treatment based on balancing a patient's risk of thoracoabdominal aortic aneurysm rupture with the risk of an adverse outcome after surgical repair. The purpose of this study was to determine which preoperative risk factors currently predict an adverse outcome after elective thoracoabdominal aortic aneurysm repair. METHODS A single, composite end point termed adverse outcome was defined as the occurrence of any of the following: death within 30 days, death before discharge from the hospital, paraplegia, paraparesis, stroke, or acute renal failure requiring dialysis. A risk factor analysis was performed using data from 1,108 consecutive elective thoracoabdominal aortic aneurysm repairs. RESULTS The incidence of an adverse outcome was 13.0% (144 of 1,108 patients); predictors included preoperative renal insufficiency (p = 0.0001), increasing age (p = 0.0035), symptomatic aneurysms (p = 0.020), and extent II aneurysms (p = 0.0001). These risk factors were used to construct an equation that estimates the probability of an adverse outcome for an individual patient. CONCLUSIONS This new predictive model may assist in decisions regarding elective thoracoabdominal aortic aneurysm operations. For patients who are acceptable candidates, contemporary surgical management provides favorable results.
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Affiliation(s)
- S A LeMaire
- The Michael E DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas, USA
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Wang VJ, Kuppermann N, Malley R, Barnett ED, Meissner HC, Schmidt EV, Fleisher GR. Meningococcal disease among children who live in a large metropolitan area, 1981-1996. Clin Infect Dis 2001; 32:1004-9. [PMID: 11264027 DOI: 10.1086/319595] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2000] [Revised: 08/14/2000] [Indexed: 11/03/2022] Open
Abstract
Neisseria meningitidis is an important cause of serious bacterial infections in children. We undertook a study to identify meningococcal infections of the blood, cerebrospinal fluid, or both of children in a defined geographic area to describe the burden of disease and the spectrum of illness. We reviewed the medical records of all children aged <18 years who had meningococcal infections at the 4 pediatric referral hospitals in Boston, Massachusetts, from 1981 through 1996. We identified 231 patients with meningococcal disease; of these 231 patients, 194 (84%) had overt disease and 37 (16%) had unsuspected disease. Clinical manifestations included meningitis in 150 patients, hypotension in 26, and purpura in 17. Sixteen patients (7%) died. Although meningococcal disease is devastating to a small number of children, we found that the burden of pediatric disease that it caused at the 4 pediatric referral centers in this geographic region was limited; that patients with overt meningococcal disease are most likely to have meningitis; and that individual practitioners are unlikely to encounter a patient with unsuspected meningococcal disease.
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Affiliation(s)
- V J Wang
- Emergency Medicine, Department of Medicine, Children's Hospital Boston, USA.
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Kaplan SL. Clinical presentations, diagnosis, and prognostic factors of bacterial meningitis. Infect Dis Clin North Am 1999; 13:579-94, vi-vii. [PMID: 10470556 DOI: 10.1016/s0891-5520(05)70095-7] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The clinical presentations of children and adults with bacterial meningitis have not changed over the past several decades, and a high index of suspicion remains critical for timely identification of infected patients. With the virtual disappearance of H. influenzae type B meningitis (Hib) in areas of the world where Hib conjugate vaccine is administered routinely, the utility of commercially available tests for rapid detection of bacterial polysaccharides has diminished. Detection of gene products of meningeal pathogens in cerebrospinal fluid or blood is still experimental. The prognostic findings of recent studies are not different from those previously described, despite advances in the supportive care of critically ill patients.
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Affiliation(s)
- S L Kaplan
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
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