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1.
In Vivo ; 38(2): 940-943, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38418126

RESUMO

BACKGROUND/AIM: An 80-year-old male patient had complained of proximal paresis of the left leg, pain and sensory disturbances in the left abdomen, exanthema in the left lower abdomen, coprostasis, and severe abdominal pain, as well as a progressive deterioration of his general condition for weeks. The patient had already presented to three other medical centers. Colonoscopy and computed tomography of the abdomen could not explain the pronounced symptomatology. In addition, there was acute elevator paresis of the left leg and severe pruritic rash on both sides of the trunk. CASE REPORT: At the Israelitisches Krankenhaus Hamburg (IKH), laboratory parameters of urine, stool, and blood, ultrasound, electrocardiogram, and transthoracic echocardiography diagnosis showed no abnormalities. Esophago-gastro-duodenoscopy revealed patchy erythema and moderately severe chronic low-activity Helicobacter-positive gastritis. Colonoscopically, two polyps were ablated. A neurological examination with magnetic resonance imaging and electroneurography also showed normal findings. Evidence of autoimmune or rheumatoid disease was also absent. Finally, analysis of the cerebrospinal fluid revealed a lympho-granulocytic cell count (32/3 lymphocytes, 21/3 granulocytes) and an elevated Borrelia-specific IgG index (Ai) of 20.82. This finding was confirmed by a complementary serological diagnosis, in which Borrelia-specific IgM and IgG antibodies were detected. In sum, Bannwart's syndrome was assumed to be the cause of the neurological symptoms. The 21-day borreliosis therapy included doxycycline administration and analgesia with novaminsulfone and pregabalin as needed. CONCLUSION: A complex symptomatology of leg paresis, lower abdominal pain and sensory disturbances, exanthema, and coprostasis in combination with a long-lasting poor general condition were found to be the consequences of atypical neuroborreliosis.


Assuntos
Borrelia , Exantema , Neuroborreliose de Lyme , Doenças do Sistema Nervoso , Masculino , Humanos , Idoso de 80 Anos ou mais , Neuroborreliose de Lyme/diagnóstico , Perna (Membro) , Paresia , Constipação Intestinal , Imunoglobulina G , Dor Abdominal , Anticorpos Antibacterianos/líquido cefalorraquidiano
2.
Eur J Neurol ; 30(3): 741-744, 2023 03.
Artigo em Inglês | MEDLINE | ID: mdl-36371644

RESUMO

BACKGROUND AND PURPOSE: To diagnose Lyme neuroborreliosis (LNB), cerebrospinal fluid (CSF) is tested for pleocytosis and intrathecal antibody production. The Dutch guideline for Lyme borreliosis indicates a lumbar puncture in the case of positive Borrelia serology or a strong clinical suspicion of LNB. This suggests that LNB might be underdiagnosed in patients with negative Borrelia serology and/or a minor clinical suspicion. The objective was to assess how often negative Borrelia serology occurs in the case of LNB. METHOD: A retrospective study was performed among patients with LNB visiting Gelre Hospitals between January 2007 and December 2020. Electronic medical records of patients with pleocytosis were reviewed to identify patients with LNB. Data were collected from medical records. RESULTS: Included were 127 patients with LNB, 58 of whom were children. In 67 patients Borrelia antibodies were present in both serum and CSF. In 53 of 67 patients there was intrathecal antibody production. In 28 patients there was intrathecal antibody production but serum antibodies were absent. Of patients with positive serology 77% had antibodies in CSF versus 83% of patients with negative serology (p = 0.435). Of patients with positive serology 61% had intrathecal antibody production versus 78% of patients with negative serology (p = 0.073). CONCLUSIONS: Twenty-eight LNB patients had intrathecal antibody production but no antibodies in serum. In this specific patient population, positive serum serology was not associated with antibodies in CSF nor with intrathecal antibody production. In Lyme endemic areas, in patients with symptoms suggestive for LNB, there is a need to lower the threshold for a lumbar puncture.


Assuntos
Neuroborreliose de Lyme , Criança , Humanos , Neuroborreliose de Lyme/diagnóstico , Neuroborreliose de Lyme/líquido cefalorraquidiano , Estudos Retrospectivos , Leucocitose , Anticorpos Antibacterianos/líquido cefalorraquidiano , Registros Eletrônicos de Saúde , Líquido Cefalorraquidiano
3.
J Assoc Physicians India ; 70(5): 11-12, 2022 May.
Artigo em Inglês | MEDLINE | ID: mdl-35598127

RESUMO

OBJECTIVES: Neuroborreliosis is generally known to be a disease confined to the Western part of the globe. It is not commonly encountered in this part of the world. Interestingly, we recently came across a series of cases of Lyme's disease with a plethora of neurological presentations. Most of the cases were a diagnostic dilemma, with poor response to immunotherapy and on subsequent evaluation all were found to have positive Borrelia antibodies. MATERIALS AND METHODS: Eight cases were selected from the tertiary care hospital in North western India. Patients were suspected to have Neuroborreliosis whose neurological presentations were atypical for other classical neurological disorders, who had a progressive or relapsing clinical course and had responded poorly to the initial treatment given for the previous neurological diagnosis. Skin lesions were present in some cases. The patients underwent a detailed clinical assessment which comprised of an elaborate history including history of travel, any insect bite or skin rashes along with a complete systemic and neurological examination. All the required blood investigations, Magnetic Resonance Imaging (MRI) Brain, Computer Tomography Angiography (CT), Nerve conduction study (NCS) and Electromyographic (EMG) studies and Cerebrospinal fluid (CSF) studies were done as indicated in each case. Borrelia antibody titre was done in all the patients using immunoblot technique. RESULTS: Among the 8 patients, 6 were male and 2 were females. The age group was between 25-70 years. The clinical presentation was acute, subacute or chronic. One patient gave a clear history of tick bite. Two patients had skin lesions and one had the pathognomic "eschar". All the suspected 8 patients had either IgG or IgM or both IgG and IgM Borrelia antibodies positive. Almost all the patients had previously received either steroids or intravenous immunoglobulins, but had not adequately responded to immunotherapy. These patients were given a trial of injectable Ceftriaxone and oral Doxycycline. Most of them either showed partial or complete clinical improvement. CONCLUSION: Lyme's disease, a common disease of the west does exist in the Indian subcontinent as well. Because of increasing global travel and migration and change in vector habitat the disease seems to have percolated in the non endemic areas too. Proper history of travel or exposure to tick bite is important. We want to emphasize, Neuroborreliosis, a great mimicker may have diverse and varied neurological presentations and has a potential for reversibility with appropriate treatment even after a significant delay in diagnosis.


Assuntos
Neuroborreliose de Lyme , Doenças do Sistema Nervoso , Picadas de Carrapatos , Adulto , Idoso , Anticorpos Antibacterianos/líquido cefalorraquidiano , Feminino , Humanos , Imunoglobulina G , Imunoglobulina M , Neuroborreliose de Lyme/diagnóstico , Neuroborreliose de Lyme/tratamento farmacológico , Neuroborreliose de Lyme/epidemiologia , Masculino , Pessoa de Meia-Idade
4.
Ugeskr Laeger ; 184(11)2022 03 14.
Artigo em Dinamarquês | MEDLINE | ID: mdl-35315765

RESUMO

We report the case of a 76-year-old male previously known with ischaemic heart disease, diabetes mellitus, hypertension and hypercholesterolaemia, who presented with a 14-day history of radicular neck pain, binocular diplopia and a left partial oculomotor palsy. Cerebrospinal fluid analysis showed lymphocytic pleocytosis and an intrathecal synthesis of IgG and IgM antibodies against Borrelia burgdorferi was confirmed. This case report highlights the importance of remembering Lyme neuroborreliosis in the differential diagnosis of diplopia and oculomotor palsy.


Assuntos
Neuroborreliose de Lyme , Idoso , Anticorpos Antibacterianos/líquido cefalorraquidiano , Diplopia , Humanos , Imunoglobulina G , Neuroborreliose de Lyme/complicações , Neuroborreliose de Lyme/diagnóstico , Neuroborreliose de Lyme/tratamento farmacológico , Masculino , Cervicalgia/etiologia
5.
Ocul Immunol Inflamm ; 29(1): 95-101, 2021 Jan 02.
Artigo em Inglês | MEDLINE | ID: mdl-31647700

RESUMO

Purpose: To evaluate neurosyphilis cerebrospinal fluid (CSF) findings and initial ophthalmic manifestations in patients with syphilitic uveitis.Methods: We retrospectively reviewed the records of CSF analysis of 14 patients with syphilitic uveitis with treponemal analysis - chemiluminescent immunoassay and TPHA- and non-treponemal analysis - Rapid Plasma Reagin test - RPR.Results: 86% were males and 43% HIV+. Ocular signs of syphilis lead to the diagnosis of syphilis in 78% of patients. Typical syphilitic uveitis presentations included: acute syphilitic posterior placoid chorioretinitis (50% of patients), retinitis (21% of patients) and punctate inner retinitis (7% of patients). 57% of patients had definite neurosyphilis by the CDC criteria, while 71% had CSF abnormalities suggestive of central nervous system involvement.Conclusion: Based on international guidelines, the frequent CSF abnormalities found in syphilitic uveitis patient supports the diagnosis of neurosyphilis in a majority of patients.


Assuntos
Anticorpos Antibacterianos/líquido cefalorraquidiano , Líquido Cefalorraquidiano/microbiologia , Infecções Oculares Bacterianas/complicações , Neurossífilis/líquido cefalorraquidiano , Sífilis/diagnóstico , Treponema pallidum/imunologia , Uveíte/complicações , Adulto , Bélgica/epidemiologia , Infecções Oculares Bacterianas/diagnóstico , Infecções Oculares Bacterianas/microbiologia , Feminino , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Neurossífilis/complicações , Neurossífilis/microbiologia , Estudos Retrospectivos , Sífilis/epidemiologia , Uveíte/diagnóstico , Uveíte/microbiologia
6.
Arthritis Rheumatol ; 73(1): 12-20, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-33251716
8.
Eur J Clin Invest ; 50(5): e13218, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-32124432

RESUMO

BACKGROUND: Helicobacter pylori (H pylori) is a Gram-negative bacterium, considered to trigger autoimmune gastrointestinal disorders. This pathogen has also been linked to the autoimmune sequelae in extra-gastrointestinal diseases and peripheral neuropathies. Guillain-Barré syndrome (GBS) is a serious autoimmune demyelinating disorder of peripheral nerves, usually with a post-infectious onset. About 30% of cases of GBS attributed to by Campylobacter jejuni, so, H pylori, could be also involved. Growing evidence suggests the likely involvement of H pylori infection in the development of GBS. The aim of the current study was to therefore estimate the prevalence of H pylori antibodies in GBS. METHODS: A search of the literature was performed, using the PUBMED database, until December 2018. Data were extracted from six case-control studies, and a stratification analysis was conducted according to cerebrospinal fluid (CSF) or serum detection material. RESULTS: Among 29 records found, 6 studies met in the inclusion criteria for the meta-analysis. In the CSF subgroup, 105 participants were involved (40 GBS patients and 65 controls), while the serum subgroup included 325 participants (152 GBS and 173 controls). Data were combined using a fixed-effects model. Anti-H pylori IgG were significantly more prevalent in GBS patients compared to controls, in both CSF (95% CI: 9.66-186.56, OR: 42.45, Pz < .00001) and serum (95% CI: 1.30-4.11, OR: 2.31, Pz: .004) subgroups. CONCLUSION: The present meta-analysis showed a strong association between GBS and the presence of H pylori antibodies, especially in CSF, thereby suggesting a role of H pylori infection in the pathophysiology of GBS.


Assuntos
Anticorpos Antibacterianos/imunologia , Síndrome de Guillain-Barré/epidemiologia , Infecções por Helicobacter/epidemiologia , Imunoglobulina G/imunologia , Anticorpos Antibacterianos/sangue , Anticorpos Antibacterianos/líquido cefalorraquidiano , Infecções por Helicobacter/imunologia , Helicobacter pylori/imunologia , Humanos , Imunoglobulina G/sangue , Imunoglobulina G/líquido cefalorraquidiano
9.
Infect Dis (Lond) ; 51(11-12): 856-863, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31573360

RESUMO

Background: The B-lymphocyte chemokine CXCL13 is increasingly considered as a useful early phase diagnostic marker of Lyme neuroborreliosis (LNB). However, the large variation in level of CXCL13 in the cerebrospinal fluid (CSF) observed in LNB patients is still unexplained. We aimed to identify factors associated with the level of CXCL13 in children with LNB, possibly improving the interpretation of CXCL13 as a diagnostic marker of LNB. Methods: Children with confirmed and probable LNB were included in a prospective study on CXCL13 in CSF as a diagnostic marker of LNB. The variables age, sex, facial nerve palsy, generalized inflammation symptoms (fever, headache, neck-stiffness and/or fatigue), duration of symptoms, Borrelia antibodies in CSF, Borrelia antibody index (AI), CSF white blood cells (WBC), CSF protein and detection of the genospecies Borrelia garinii by PCR were included in simple and multivariable regression analyses to study the associations with the CXCL13 level. Results: We included 53 children with confirmed and 17 children with probable LNB. CXCL13 levels in CSF were positively associated with WBC, protein and Borrelia antibodies in CSF in both simple and multivariable analyses. We did not find any associations between CXCL13 and age, sex, clinical symptoms, duration of symptoms, AI or the detection of Borrelia garinii. Conclusions: High levels of CSF CXCL13 are present in the early phase of LNB and correlate with the level of CSF WBC and protein. Our results indicate that CSF CXCL13 in children evaluated for LNB can be interpreted independently of clinical features or duration of symptoms.


Assuntos
Anticorpos Antibacterianos/líquido cefalorraquidiano , Quimiocina CXCL13/líquido cefalorraquidiano , Neuroborreliose de Lyme/líquido cefalorraquidiano , Neuroborreliose de Lyme/diagnóstico , Adolescente , Linfócitos B/imunologia , Biomarcadores/líquido cefalorraquidiano , Grupo Borrelia Burgdorferi , Criança , Pré-Escolar , Feminino , Humanos , Masculino , Estudos Prospectivos
10.
Arch Pediatr ; 26(3): 133-137, 2019 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-30885602

RESUMO

Lyme neuroborreliosis is a bacterial infection caused by the dissemination and proliferation of a Borrelia species in the central nervous system. Neuroborreliosis occurs after transmission of the pathogen from an infected tick to a human host during a tick bite. We report nine cases of pediatric neuroborreliosis collected by the National Observatory of Pediatric Bacterial Meningitis in France between 2001 and 2012. The nine children, aged 4-13 years, were identified in northern and eastern France and had the following clinical features: meningeal irritation alone or with facial palsy, or isolated facial palsy. All cases showed anti-Borrelia antibodies in cerebrospinal fluid or serum, or with a positive Borrelia PCR in the CSF. The outcome was favorable in all cases after a 2- to 3-week course of third-generation cephalosporin. On the basis of these nine pediatric cases, this study provides an update on the epidemiology, pathophysiology, diagnostic strategy, and treatment of neuroborreliosis, with insight into the specific features of pediatric neuroborreliosis and the difficulties encountered in the diagnosis of this infection.


Assuntos
Neuroborreliose de Lyme/diagnóstico , Adolescente , Amoxicilina/uso terapêutico , Antibacterianos/uso terapêutico , Anticorpos Antibacterianos/sangue , Anticorpos Antibacterianos/líquido cefalorraquidiano , Borrelia/genética , Borrelia/imunologia , Cefotaxima/uso terapêutico , Ceftriaxona/uso terapêutico , Criança , Pré-Escolar , DNA Bacteriano , Paralisia Facial/microbiologia , Feminino , França , Humanos , Neuroborreliose de Lyme/tratamento farmacológico , Masculino , Reação em Cadeia da Polimerase
11.
Arq Neuropsiquiatr ; 77(2): 91-95, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30810592

RESUMO

BACKGROUND: Syphilis is a re-emerging sexually-transmitted infection, caused by the spirochete Treponema pallidum, that may penetrate early into the central nervous system. The venereal disease research laboratory test (VDRL) on the cerebrospinal fluid (CSF) is the most widely used for neurosyphilis diagnosis. We evaluated the performance of two other nontreponemal tests (rapid plasma reagin [RPR] and unheated serum reagin [USR] tests) in comparison with the VDRL in CSF. METHODS: We analyzed CSF samples from 120 individuals based on VDRL reactivity in the CSF and the clinical picture of neurosyphilis. RESULTS: High inter-rater reliability was found among all three tests, with equivalent sensitivity and specificity. Intraclass correlation coefficient for absolute agreement was 1 for VDRL versus USR, 0.99 for VDRL versus RPR, and 0.99 for RPR versus USR. CONCLUSIONS: Rapid plasma reagin and unheated serum reagin tests were identified as excellent alternatives for neurosyphilis diagnosis.


Assuntos
Anticorpos Antibacterianos/líquido cefalorraquidiano , Neurossífilis/líquido cefalorraquidiano , Neurossífilis/diagnóstico , Sorodiagnóstico da Sífilis/métodos , Adulto , Análise de Variância , Estudos de Casos e Controles , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Neurossífilis/sangue , Neurossífilis/imunologia , Valores de Referência , Reprodutibilidade dos Testes , Sensibilidade e Especificidade , Estatísticas não Paramétricas
12.
Arq. neuropsiquiatr ; 77(2): 91-95, Feb. 2019. tab
Artigo em Inglês | LILACS | ID: biblio-983885

RESUMO

ABSTRACT Syphilis is a re-emerging sexually-transmitted infection, caused by the spirochete Treponema pallidum, that may penetrate early into the central nervous system. The venereal disease research laboratory test (VDRL) on the cerebrospinal fluid (CSF) is the most widely used for neurosyphilis diagnosis. We evaluated the performance of two other nontreponemal tests (rapid plasma reagin [RPR] and unheated serum reagin [USR] tests) in comparison with the VDRL in CSF. Methods: We analyzed CSF samples from 120 individuals based on VDRL reactivity in the CSF and the clinical picture of neurosyphilis. Results: High inter-rater reliability was found among all three tests, with equivalent sensitivity and specificity. Intraclass correlation coefficient for absolute agreement was 1 for VDRL versus USR, 0.99 for VDRL versus RPR, and 0.99 for RPR versus USR. Conclusions: Rapid plasma reagin and unheated serum reagin tests were identified as excellent alternatives for neurosyphilis diagnosis.


RESUMO A sífilis é uma infecção reemergente sexualmente transmissível pelo espiroqueta Treponema pallidum, que pode penetrar precocemente no sistema nervoso central. O teste venereal disease research laboratory test (VDRL) no líquido cefalorraquidiano (LCR) é o mais amplamente utilizado para diagnóstico de neurossífilis. Avalia-se o desempenho de dois outros testes não treponêmicos (rapid plasma reagin - RPR and unheated serum reagin - USR tests) em comparação ao VDRL no LCR. Métodos: Foram analisadas amostras de LCR de 120 indivíduos com base no quadro clínico compatível com neurossifilis e reatividade no VDRL no LCR. Resultados: Os testes apresentaram elevada concordância. O coeficiente de correlação intraclasse para concordância absoluta foi de 1 para VDRL versus USR, 0,99 para VDRL versus RPR e 0,99 para RPR versus USR. Conclusões: Os testes rapid plasma reagin e unheated serum reagin foram identificados como excelentes alternativas para o diagnóstico de neurossífilis.


Assuntos
Humanos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Sorodiagnóstico da Sífilis/métodos , Anticorpos Antibacterianos/líquido cefalorraquidiano , Neurossífilis/diagnóstico , Neurossífilis/líquido cefalorraquidiano , Valores de Referência , Estudos de Casos e Controles , Reprodutibilidade dos Testes , Análise de Variância , Sensibilidade e Especificidade , Estatísticas não Paramétricas , Neurossífilis/imunologia , Neurossífilis/sangue
13.
Ticks Tick Borne Dis ; 10(2): 398-406, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30553778

RESUMO

The aims of the study were to determine the frequency of borrelial infection in patients with peripheral facial palsy (PFP) and to compare clinical and laboratory characteristics of patients with borrelial PFP and patients with PFP of unknown etiology. Adult patients with PFP who presented at our department between January 2006 and December 2013 qualified for the study if they had undergone lumbar puncture and also been tested for the presence of borrelial IgM and IgG antibodies in serum and cerebrospinal fluid (CSF) in indirect chemiluminescence immunoassay. Patients with PFP who had obvious signs/symptoms indicating a disease other than Lyme borreliosis (LB) were excluded. Patients who qualified for the study were classified into three groups according to the clinical and microbiological criteria: those having confirmed LB, those with possible LB, and those with PFP of unknown etiology. Of 589 patients diagnosed with PFP during the eight-year period, 436 patients (240 males, 196 females) with median age 42.5 years (15-87 years) qualified for the study. Among these patients, 64 (14.7%) fulfilled criteria for confirmed LB, 120 (27.5%) had a diagnosis of possible LB, and in 252 (57.8%) the cause of their PFP remained unknown. When compared with patients with unknown cause of PFP, the patients with confirmed LB were older, more often presented in summer, more often reported tick bites, more frequently had LB in the past, more often complained of constitutional symptoms and radicular pain, and more often had bilateral palsy and CSF pleocytosis. Among the patients with possible LB and patients with unknown cause of PFP there were no differences in frequency of constitutional symptoms, radicular pain, bilateral palsy or CSF pleocytosis. Presentation in summer, tick bites, constitutional symptoms and radicular pain, bilateral palsy, and CSF pleocytosis strongly suggest borrelial etiology of PFP.


Assuntos
Paralisia Facial/etiologia , Paralisia Facial/microbiologia , Doença de Lyme/complicações , Doença de Lyme/epidemiologia , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Anticorpos Antibacterianos/sangue , Anticorpos Antibacterianos/líquido cefalorraquidiano , Borrelia burgdorferi , Paralisia Facial/epidemiologia , Feminino , Humanos , Imunoglobulina G/sangue , Imunoglobulina G/líquido cefalorraquidiano , Imunoglobulina M/sangue , Imunoglobulina M/líquido cefalorraquidiano , Leucocitose , Doença de Lyme/diagnóstico , Neuroborreliose de Lyme , Masculino , Pessoa de Meia-Idade , Estações do Ano , Eslovênia/epidemiologia , Picadas de Carrapatos , Adulto Jovem
14.
J Clin Microbiol ; 57(1)2019 01.
Artigo em Inglês | MEDLINE | ID: mdl-30257905

RESUMO

In the United States, laboratories frequently offer multiple different assays for testing of cerebrospinal fluid (CSF) samples to provide laboratory support for the diagnosis of central nervous system Lyme disease (CNSLD). Often included among these diagnostic tests are the same enzyme immunoassays and immunoblots that are routinely used to detect the presence of antibodies to Borrelia burgdorferi in serum. However, performing these assays on CSF alone may yield positive results simply from passive diffusion of serum antibodies into the CSF. In addition, such tests are only U.S. Food and Drug Administration cleared and well validated for testing serum, not CSF. When performed using CSF, positive results from these assays do not establish the presence of intrathecal antibody production to B. burgdorferi and therefore should not be offered. The preferred test to detect intrathecal production of antibodies to B. burgdorferi is the antibody index assay, which corrects for passive diffusion of serum antibodies into CSF and requires testing of paired serum and CSF collected at approximately the same time. However, this assay also has limitations and should only be used to establish a diagnosis of CNSLD in conjunction with patient exposure history, clinical presentation, and other laboratory findings.


Assuntos
Anticorpos Antibacterianos/sangue , Anticorpos Antibacterianos/líquido cefalorraquidiano , Testes Diagnósticos de Rotina/normas , Neuroborreliose de Lyme/diagnóstico , Borrelia burgdorferi/imunologia , Diagnóstico Diferencial , Humanos , Técnicas Imunoenzimáticas , Imunoglobulina G/sangue , Imunoglobulina G/líquido cefalorraquidiano , Doença de Lyme/sangue , Doença de Lyme/líquido cefalorraquidiano , Doença de Lyme/diagnóstico , Neuroborreliose de Lyme/sangue , Neuroborreliose de Lyme/líquido cefalorraquidiano , Estados Unidos
15.
BMC Infect Dis ; 18(1): 325, 2018 07 11.
Artigo em Inglês | MEDLINE | ID: mdl-29996782

RESUMO

BACKGROUND: With a prevalence of 4.7-13% in Danish Ixodes ricinus ticks, Rickettsia helvetica is one of the most frequently detected tick-borne organisms in Denmark. Most reports of human exposure have described asymptomatic seroconversion or a mild, self-limiting flu-like illness but it has also been implicated as a cause of subacute lymphocytic meningitis. Because Borrelia burgdorferi sensu lato (Bbsl) and R. helvetica are both found in the same tick species, potential co-transmission is a possibility. We examined 1) the seroprevalence of anti-rickettsia antibodies in patients investigated for Lyme neuroborreliosis (LNB), and 2) the cerebrospinal fluid (CSF) and sera of same patients for the presence of Rickettsia DNA. METHODS: Ninety-nine sera and 87 CSF samples from patients with intrathecal synthesis of anti-Borrelia antibodies and 101 sera and 103 CSF samples from patients with no detectable intrathecal synthesis were retrospectively examined for this study. Sera were analyzed for antibodies against spotted fever group (SFG) rickettsiae and both the CSF and sera were tested for Rickettsia DNA using a genus-specific real-time PCR. RESULTS: Of the patients tested for LNB, 32% (64/200) had IgG antibodies against SFG rickettsiae. Among patients with confirmed intrathecal synthesis of Borrelia-specific antibodies, 38% (38/99) exhibited IgG antibodies. None of these values were statistically significant when compared with sera from healthy blood donors (p = 0.7 and 0.19). Rickettsia DNA was found in the CSF of 4% (8/190) of patients. CONCLUSION: No statistically significant difference was found in the seroprevalence of anti-rickettsia antibodies in patients tested for LNB and healthy blood donors, indicative of a low rate of exposure in this group of patients. Eight patients showed evidence of Rickettsia DNA in the CSF, five of whom had LNB. However, cycle threshold (Ct) values were high, indicating low concentrations of DNA, and no apparent alteration in the clinical manifestations of LNB were noted in the medical records of these patients.


Assuntos
Neuroborreliose de Lyme/diagnóstico , Infecções por Rickettsia/diagnóstico , Rickettsia/isolamento & purificação , Adulto , Animais , Anticorpos Antibacterianos/sangue , Anticorpos Antibacterianos/líquido cefalorraquidiano , Borrelia/imunologia , Borrelia/isolamento & purificação , DNA Bacteriano/genética , DNA Bacteriano/metabolismo , Dinamarca/epidemiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Reação em Cadeia da Polimerase em Tempo Real , Estudos Retrospectivos , Rickettsia/genética , Rickettsia/imunologia , Infecções por Rickettsia/epidemiologia
16.
Rinsho Shinkeigaku ; 58(6): 395-398, 2018 Jun 27.
Artigo em Japonês | MEDLINE | ID: mdl-29863099

RESUMO

A 52-year-old man presented with progressive dementia and left hemiparesis. He was treated for neurosyphilis at 44 years old in another hospital. An initial MRI revealed a widespread high-intensity area in the right temporal lobe on DWI. Findings on MRA were normal. He was treated initially with intravenous edaravone and glyceol, but neurological finding did not improved. Serological tests of serum and CSF demonstrated high titers of antibodies to Treponema pallidum. He was treated for relapsed neurosyphilis with daily penicillin G injections without improvement. Penicillin G was switched to erythromycin. After administration of erythromycin, neurological symptoms improved and MRI abnormality showed progression. This case could be considered as Lissauer form of general paresis because of left hemiparesis and MRI findings. Neurosyphilis should be considered in a case with revealing high density area in DWI.


Assuntos
Neurossífilis/complicações , Paresia/etiologia , Anticorpos Antibacterianos/sangue , Anticorpos Antibacterianos/líquido cefalorraquidiano , Biomarcadores/sangue , Biomarcadores/líquido cefalorraquidiano , Imagem de Difusão por Ressonância Magnética , Progressão da Doença , Substituição de Medicamentos , Eritromicina/administração & dosagem , Humanos , Masculino , Pessoa de Meia-Idade , Neurossífilis/diagnóstico , Neurossífilis/tratamento farmacológico , Paresia/diagnóstico , Paresia/tratamento farmacológico , Penicilina G/administração & dosagem , Recidiva , Resultado do Tratamento , Treponema pallidum/imunologia
17.
J Infect Public Health ; 11(5): 735-738, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-29606535

RESUMO

INTRODUCTION: Streptococcus pneumoniae is a significant cause of childhood bacterial meningitis in India. The United States Food and Drug Administration has licensed an immunochromatographic (ICT) test, Binax®NOW™, to detect the C polysaccharide antigen of S. pneumoniae in cerebrospinal fluids (CSF). Accurate etiological diagnosis of bacterial meningitis in India is essential for effective treatment strategies and preventive interventions. MATERIALS AND METHODS: CSF samples from 2081 children admitted, with clinically suspected bacterial meningitis at 11 sentinel sites of hospital based sentinel surveillance network for bacterial meningitis in India between September 2009 and December 2016 were tested with ICT. Concurrent CSF cultures were processed using standard procedures. RESULTS AND DISCUSSION: S. pneumoniae was detected thrice the number of times by ICT than by CSF culture, with a sensitivity and specificity of 100% and 95.3% respectively. This rapid ICT test proves to be of immense use as a diagnostic test for meningitis patients with/without prior antibiotic treatment, especially in facilities with limited laboratory infrastructure in resource limited settings.


Assuntos
Anticorpos Antibacterianos/líquido cefalorraquidiano , Cromatografia de Afinidade/métodos , Monitoramento Epidemiológico , Meningite Pneumocócica/diagnóstico , Meningite Pneumocócica/epidemiologia , Streptococcus pneumoniae/imunologia , Adolescente , Criança , Pré-Escolar , Feminino , Humanos , Índia/epidemiologia , Lactente , Recém-Nascido , Masculino , Sensibilidade e Especificidade
18.
Ticks Tick Borne Dis ; 9(5): 1137-1142, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29705691

RESUMO

The aims of the study were to determine and compare the concentration of CXCL13 in cerebrospinal fluid (CSF) of patients with Lyme neuroborreliosis (LNB) and various other neurological disorders applying a Luminex based assay and ELISA, and to find factors associated with CXCL13 concentration. CSF samples obtained from four clinically well-defined groups of patients (proven LNB, suspected LNB, tick-borne encephalitis (TBE), and aseptic meningitis/meningoencephalitis other than TBE) - 25 samples per group - were analyzed. The performance of the Luminex recomBead CXCL13 assay (Microgen, Neuried, Germany) and ELISA (Euroimmun, Lübeck, Germany) was assessed by receiver operating characteristics. CXCL13 cut-off values were presented as functions of CSF lymphocyte/monocyte counts. Demographic variables, CSF findings, and history of erythema migrans were assessed as possible predictors for CXCL13 CSF concentrations by a general linear model. The calculated cut-off values determined by the maximum of the Youden index were >131 pg/mL for recomBead and >259 pg/mL for the ELISA. RecomBead showed a sensitivity of 88% (68.8-97.5%) and a specificity of 94% (83.5-98.7%). For the ELISA the corresponding values were 84% (63.9-95.5%) and 98% (89.4-99.9%). The CXCL13 concentration positively correlated with CSF lymphocyte/monocyte count and Borrelia-specific intrathecal antibody index (p < 0.05). High CXCL13 concentrations were only found in the group with proven LNB. CXCL13 levels above cut-off value were established in some patients with viral meningitis/meningoencephalitis but were not detected in patients with suspected LNB without pleocytosis. Applying a linearized cut-off of the CXCL13 concentration in the CSF which is dependent on the CSF cell count is a novel approach in the laboratory diagnosis of LNB.


Assuntos
Borrelia/imunologia , Quimiocina CXCL13/líquido cefalorraquidiano , Neuroborreliose de Lyme/diagnóstico , Neuroborreliose de Lyme/imunologia , Doenças do Sistema Nervoso/líquido cefalorraquidiano , Adulto , Anticorpos Antibacterianos/líquido cefalorraquidiano , Anticorpos Antibacterianos/imunologia , Quimiocina CXCL13/imunologia , Técnicas de Laboratório Clínico/instrumentação , Técnicas de Laboratório Clínico/métodos , Ensaio de Imunoadsorção Enzimática/métodos , Feminino , Humanos , Separação Imunomagnética/métodos , Neuroborreliose de Lyme/líquido cefalorraquidiano , Linfócitos/imunologia , Masculino , Pessoa de Meia-Idade , Doenças do Sistema Nervoso/diagnóstico , Curva ROC , Sensibilidade e Especificidade
20.
PLoS Negl Trop Dis ; 12(3): e0006346, 2018 03.
Artigo em Inglês | MEDLINE | ID: mdl-29590177

RESUMO

BACKGROUND: Acute Encephalitis Syndrome (AES) is a major seasonal public health problem in Bihar, India. Despite efforts of the Bihar health department and the Government of India, burden and mortality of AES cases have not decreased, and definitive etiologies for the illness have yet to be identified. OBJECTIVES: The present study was undertaken to study the specific etiology of AES in Bihar. METHODS: Cerebrospinal fluid and/or serum samples from AES patients were collected and tested for various pathogens, including viruses and bacteria by ELISA and/or Real Time PCR. FINDINGS: Of 540 enrolled patients, 33.3% (180) tested positive for at least one pathogen of which 23.3% were co-positive for more than one pathogen. Most samples were positive for scrub typhus IgM or PCR (25%), followed by IgM positivity for JEV (8.1%), WNV (6.8%), DV (6.1%), and ChikV (4.5%).M. tuberculosis and S. pneumoniae each was detected in ~ 1% cases. H. influenzae, adenovirus, Herpes Simplex Virus -1, enterovirus, and measles virus, each was detected occasionally. The presence of Scrub typhus was confirmed by PCR and sequencing. Bihar strains resembled Gilliam-like strains from Thailand, Combodia and Vietnam. CONCLUSION: The highlights of this pilot AES study were detection of an infectious etiology in one third of the AES cases, multiple etiologies, and emergence of O. tsutsugamushi infection as an important causative agent of AES in India.


Assuntos
Encefalopatia Aguda Febril/epidemiologia , Encefalopatia Aguda Febril/etiologia , Orientia tsutsugamushi/isolamento & purificação , Tifo por Ácaros/complicações , Encefalopatia Aguda Febril/sangue , Encefalopatia Aguda Febril/líquido cefalorraquidiano , Adolescente , Adulto , Idoso , Anticorpos Antibacterianos/sangue , Anticorpos Antibacterianos/líquido cefalorraquidiano , Criança , Pré-Escolar , Efeitos Psicossociais da Doença , Ensaio de Imunoadsorção Enzimática , Feminino , Sequenciamento de Nucleotídeos em Larga Escala , Humanos , Imunoglobulina M/sangue , Imunoglobulina M/líquido cefalorraquidiano , Índia/epidemiologia , Lactente , Masculino , Pessoa de Meia-Idade , Orientia tsutsugamushi/genética , Orientia tsutsugamushi/imunologia , Filogenia , Projetos Piloto , Reação em Cadeia da Polimerase , Tifo por Ácaros/microbiologia , Centros de Atenção Terciária , Adulto Jovem
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