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https://www.readbyqxmd.com/read/28730535/the-recombead-borrelia-antibody-index-cxcl13-and-total-igm-index-for-laboratory-diagnosis-of-lyme-neuroborreliosis-in-children
#1
B H Skogman, M Lager, A J Henningsson, I Tjernberg
For laboratory diagnostics of Lyme neuroborreliosis (LNB), the recomBead Borrelia antibody index (AI) assay has shown promising results in a mixed age population, but has not previously been evaluated with specific focus on paediatric patients. The aim of the study was to evaluate the recomBead Borrelia AI assay in cerebrospinal fluid (CSF) for the laboratory diagnosis of LNB in children. We also wanted to explore whether early markers, such as CXCL13 in CSF and/or total IgM index could be useful as complementary diagnostic tools...
July 20, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28730326/infectious-diseases-causing-autonomic-dysfunction
#2
REVIEW
Francisco Javier Carod Artal
OBJECTIVES: To review infectious diseases that may cause autonomic dysfunction. METHODS: Review of published papers indexed in medline/embase. RESULTS: Autonomic dysfunction has been reported in retrovirus (human immunodeficiency virus (HIV), human T-lymphotropic virus), herpes viruses, flavivirus, enterovirus 71 and lyssavirus infections. Autonomic dysfunction is relatively common in HIV-infected patients and heart rate variability is reduced even in early stages of infection...
July 20, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28727515/brave-new-worlds-the-expanding-universe-of-lyme-disease
#3
Brandee L Stone, Yvonne Tourand, Catherine A Brissette
Projections around the globe suggest an increase in tick-vectored disease incidence and distribution, and the potential for emergence of novel tick-borne pathogens. Lyme disease is the most common reported tick-borne illness in the Unites States and is prevalent throughout much of central Europe. In recent years, the worldwide burden of Lyme disease has increased and extended into regions and countries where the disease was not previously reported. In this review, we discuss the trends for increasing Lyme disease, and examine the factors driving Lyme disease expansion, including the effect of climate change on the spread of vector Ixodid ticks and reservoir hosts; and the impacts of increased awareness on disease reporting and diagnosis...
July 20, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28726624/lyme-borreliosis-in-finland-1995-2014
#4
Eeva Sajanti, Mikko Virtanen, Otto Helve, Markku Kuusi, Outi Lyytikäinen, Jukka Hytönen, Jussi Sane
We investigated the epidemiology of Lyme borreliosis (LB) in Finland for the period 1995-2014 by using data from 3 different healthcare registers. We reviewed data on disseminated LB cases from the National Infectious Diseases Register (21,051 cases) and the National Hospital Discharge Register (10,402 cases) and data on primary LB (erythema migrans) cases from the Register for Primary Health Care Visits (11,793 cases). Incidence of microbiologically confirmed disseminated LB cases increased from 7/100,000 population in 1995 to 31/100,000 in 2014...
August 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28726610/serologic-evidence-of-powassan-virus-infection-in-patients-with-suspected-lyme-disease-1
#5
Holly M Frost, Anna M Schotthoefer, Angela M Thomm, Alan P Dupuis, Sue C Kehl, Laura D Kramer, Thomas R Fritsche, Yvette A Harrington, Konstance K Knox
Powassan virus (POWV) lineage II is an emerging tickborne flavivirus with an unknown seroprevalence in humans. In a Lyme disease-endemic area, we examined the seroreactivity to POWV in 2 patient cohorts and described the clinical features of the POWV-seroreactive patients. POWV disease might be less neuroinvasive than previously thought.
August 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28722598/risk-factors-for-severe-infection-hospitalization-and-prolonged-antimicrobial-therapy-in-patients-with-babesiosis
#6
Neeharik Mareedu, Anna M Schotthoefer, Jason Tompkins, Matthew C Hall, Thomas R Fritsche, Holly M Frost
Babesiosis is an emerging tick-borne disease transmitted by the hard tick Ixodes scapularis, which also transmits Lyme disease. Better gradation of prognostic indicators are needed to determine which patients may develop serious complications requiring hospitalization, and to provide early guidance on appropriate therapy. In this study, we evaluated 128 patients with smear or real time polymerase chain reaction-confirmed Babesia microti infections over a period of 16 years. Patients with asplenia or immunocompromising conditions were more likely to have severe infection (P < 0...
July 10, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28717031/phagocytic-receptors-activate-syk-and-src-signaling-during-borrelia-burgdorferi-phagocytosis
#7
Tess L Killpack, Maria Ballesteros, Stephen C Bunnell, Alice Bedugnis, Lester Kobzik, Linden T Hu, Tanja Petnicki-Ocwieja
Phagocytosis of the Lyme disease causing pathogen Borrelia burgdorferi has been shown to be important in generating an inflammatory response to the pathogen. As a result, understanding the mechanisms of phagocytosis has been an area of great interest in the field of Lyme disease. Several cell surface receptors that participate in B. burgdorferi phagocytosis have been reported, including scavenger receptor MARCO and integrin α3β1. We sought to define the mechanisms by which these receptors mediated phagocytosis and to identify signaling pathways activated downstream of these receptors upon contact with B...
July 17, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28714333/-borrelia-miyamotoi-a-recently-identified-human-pathogenic-tick-borne-relapsing-fever-spirochete
#8
Sándor Szekeres, András Lakos, Gábor Földvári
Borrelia miyamotoi is a recently described relapsing fever spirochete transmitted by ticks of the Ixodes ricinus complex. This pathogen is different from Borrelia burgdorferi sensu lato (the Lyme borreliosis spirochetes) in its epidemiology, ecology and also genetics. Over 50 patients have been described worldwide with Borrelia miyamotoi disease, and three immunocompromised patients were reported with neurological symptoms. Our knowledge about Borrelia miyamotoi infection in ticks and its distribution in different habitats and also the mechanism of the infection is limited...
July 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28713599/lyme-carditis-buried-beneath-st-segment-elevations
#9
Basia Michalski, Adrian Umpierrez De Reguero
Lyme disease is caused by the spirochete Borrelia burgdorferi and is carried to human hosts by infected ticks. There are nearly 30,000 cases of Lyme disease reported to the CDC each year, with 3-4% of those cases reporting Lyme carditis. The most common manifestation of Lyme carditis is partial heart block following bacterial-induced inflammation of the conducting nodes. Here we report a 45-year-old gentleman that presented to the hospital with intense nonradiating chest pressure and tightness. Lab studies were remarkable for elevated troponins...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28711274/clinical-association-lyme-disease-and-guillain-barre-syndrome
#10
Kinner Patel, Siddharth Shah, Dinesh Subedi
Guillain-Barre Syndrome (GBS) is a life-threatening condition in which patients may present to the Emergency Department in respiratory distress leading to death. The early identification and treatment of such a condition is paramount in preventing mortality. While there are many infections associated with GBS, the association with Lyme disease is uncommon. Through our case we aim to highlight Borrelia burgdorferi as an important antecedent infection associated with the development of GBS. In this case we report a 31-year-old male who was diagnosed with Lyme disease and GBS with relevant clinical presentation including progressive numbness and weakness in bilateral hands and feet for the past 1week along with areflexia...
July 8, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28705983/completed-genome-sequences-of-borrelia-burgdorferi-sensu-stricto-b31-nrz-and-closely-related-patient-isolates-from-europe
#11
Gabriele Margos, Sabrina Hepner, Christoph Mang, Andreas Sing, Bernhard Liebl, Volker Fingerle
Borrelia burgdorferi sensu stricto is a causative agent of human Lyme borreliosis in the United States and Europe. We report here the completed genome sequences of strain B31 isolated from a tick in the United States and two closely related strains from Europe, PAli and PAbe, which were isolated from patients with erythema migrans and neuroborreliosis, respectively.
July 13, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28705754/progression-of-lyme-disease-to-bell-s-palsy-despite-treatment-with-doxycycline
#12
Luis A Marcos, Zengmin Yan
A 54 year-old healthy woman presented to the emergency department with a right sided facial paralysis. About 3 weeks ago, she woke up and noticed an attached engorged tick in her right lower extremity. A week later, she noticed a mild to moderate right jaw pain which progressed to a severe right facial pain so she visited her doctor. On physical, II to XII cranial nerve examination was unremarkable. Doppler ultrasound did not show any vascular abnormalities in temporal artery. Her inflammatory markers were within normal limits (C-reactive protein:0...
July 10, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28705290/crossed-total-hemiatrophy-associated-with-atrophoderma-of-pasini-pierini
#13
Ru-Zhi Zhang, Wen-Yuan Zhu
A 45-year-old Chinese man had begun to show asymmetry of the face 30 years previously. Subsequently, he developed visual extinction of the right eye, slight numbness, and weakness of the left extremities. Simultaneously, multiple atrophic brownish patches occurred on his side. He denied prior trauma or tick bites at those sites. There was no report of preceding redness, induration, or a history of trauma. The atrophic lesions extended and enlarged slowly. Ten years previously, some brownish patches with normal texture had appeared on the right side of the trunk...
2017: Skinmed
https://www.readbyqxmd.com/read/28703098/surveillance-perspective-on-lyme-borreliosis-across-the-european-union-and-european-economic-area
#14
Cees C van den Wijngaard, Agnetha Hofhuis, Mariana Simões, Ente Rood, Wilfrid van Pelt, Herve Zeller, Wim Van Bortel
Lyme borreliosis (LB) is the most prevalent tick-borne disease in Europe. Erythema migrans (EM), an early, localised skin rash, is its most common presentation. Dissemination of the bacteria can lead to more severe manifestations including skin, neurological, cardiac, musculoskeletal and ocular manifestations. Comparison of LB incidence rates in the European Union (EU)/European Economic Area (EEA) and Balkan countries are difficult in the absence of standardised surveillance and reporting procedures. We explored six surveillance scenarios for LB surveillance in the EU/EEA, based on the following key indicators: (i) erythema migrans, (ii) neuroborreliosis, (iii) all human LB manifestations, (iv) seroprevalence, (v) tick bites, and (vi) infected ticks and reservoir hosts...
July 6, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28701428/a-mercury-toxicity-case-complicated-by-hyponatremia-and-abnormal-endocrinological-test-results
#15
Matthew Carter, Abdul Abdi, Fareeha Naz, Farouq Thabet, Arpita Vyas
Mercury (Hg) poisoning is considered a rare disease by the National Institutes of Health and the diagnosis can present great challenges to clinicians. Children who are exposed to Hg can present with a wide variety of symptoms, including acrodynia, tremor, excessive salivation, and psychiatric symptoms, including insomnia. However, endocrinologic manifestations from Hg exposure are less well known. This is a case report of a 12-year-old boy who presented with body rash, irritability, insomnia, and profuse sweating after returning from a summer camp...
July 13, 2017: Pediatrics
https://www.readbyqxmd.com/read/28696196/tickborne-diseases-other-than-lyme-in-the-united-states
#16
REVIEW
Christa Eickhoff, Jason Blaylock
Tickborne diseases are increasing in the United States, and the geographic range of tick vectors is expanding. Tickborne diseases are challenging to diagnose, as they present with vague symptoms such as fever, constitutional symptoms, and nonspecific laboratory abnormalities. A high degree of clinical suspicion is required to make a diagnosis, as patients often do not recall a tick bite. The availability of laboratory testing for tickborne diseases is limited, especially in the acute setting. Therefore, if a tickborne disease is suspected, empiric therapy should often be initiated before laboratory confirmation of the disease is available...
July 2017: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/28694446/ticks-infected-via-co-feeding-transmission-can-transmit-lyme-borreliosis-to-vertebrate-hosts
#17
Alessandro Belli, Anouk Sarr, Olivier Rais, Ryan O M Rego, Maarten J Voordouw
Vector-borne pathogens establish systemic infections in host tissues to maximize transmission to arthropod vectors. Co-feeding transmission occurs when the pathogen is transferred between infected and naive vectors that feed in close spatiotemporal proximity on a host that has not yet developed a systemic infection. Borrelia afzelii is a tick-borne spirochete bacterium that causes Lyme borreliosis (LB) and is capable of co-feeding transmission. Whether ticks that acquire LB pathogens via co-feeding are actually infectious to vertebrate hosts has never been tested...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28691831/-diagnostic-relevance-of-the-chemokine-cxcl13-and-anti-c6-peptide-antibodies-in-patients-with-neuroborreliosis
#18
D Pícha, L Moravcová, D Smíšková
AIM OF THE STUDY: The study was focused on testing the diagnostic value of detection of the chemokine CXCL13 (B lymphocyte chemoattractant) and anti-C6 peptide (synthetic peptide derived from B. burdorferi VlsE protein) antibodies in patients with neuroborreliosis (NB). MATERIAL AND METHODS: One hundred and twenty-nine patients with clinical suspicion of neuroinfection were included in the study. Eighty patients with NB (positive for antibodies in serum and CSF) were subdivided into four groups (A1-A4) based on positivity/negativity of the antibody index (AI) and pleocytosis...
2017: Epidemiologie, Mikrobiologie, Imunologie
https://www.readbyqxmd.com/read/28690096/modeling-the-effects-of-variable-feeding-patterns-of-larval-ticks-on-the-transmission-of-borrelia-lusitaniae-and-borrelia-afzelii
#19
Luca Ferreri, Silvia Perazzo, Ezio Venturino, Mario Giacobini, Luigi Bertolotti, Alessandro Mannelli
Spirochetes belonging to the Borrelia burgdoferi sensu lato (sl) group cause Lyme Borreliosis (LB), which is the most commonly reported vector-borne zoonosis in Europe. B. burgdorferi sl is maintained in nature in a complex cycle involving Ixodes ricinus ticks and several species of vertebrate hosts. The transmission dynamics of B. burgdorferi sl is complicated by the varying competence of animals for different genospecies of spirochetes that, in turn, vary in their capability of causing disease. In this study, a set of difference equations simplifying the complex interaction between vectors and their hosts (competent and not for Borrelia) is built to gain insights into conditions underlying the dominance of B...
July 6, 2017: Theoretical Population Biology
https://www.readbyqxmd.com/read/28687159/15-years-of-the-histopathological-synovitis-score-further-development-and-review-a-diagnostic-score-for-rheumatology-and-orthopaedics
#20
REVIEW
V Krenn, G Perino, W Rüther, V T Krenn, M Huber, T Hügle, A Najm, S Müller, F Boettner, F Pessler, W Waldstein, J Kriegsmann, R Casadonte, T Häupl, S Wienert, M G Krukemeyer, S Sesselmann, S Sunitsch, R Tikhilov, L Morawietz
The histopathological synovitis score evaluates the immunological and inflammatory changes of synovitis in a graduated manner generally customary for diagnostic histopathological scores. The score results from semiquantitative evaluation of the width of the synovial surface cell layer, the cell density of the stroma and the density of the inflammatory infiltration into 4 semiquantitative levels (normal 0, mild 1, moderate 2, severe 3). The addition of these values results in a final score of 0-9 out of 9. On the basis of this summation the condition is divided into low-grade synovitis and high-grade synovitis: A synovitis score of 1 to≤4 is called low-grade synovitis (arthrosis-associated/OA synovitis, posttraumatic synovitis, meniscopathy-associated synovitis and synovitis with haemochromatosis)...
May 19, 2017: Pathology, Research and Practice
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