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https://www.readbyqxmd.com/read/27922168/update-of-the-swiss-guidelines-on-post-treatment-lyme-disease-syndrome
#1
Johannes Nemeth, Enos Bernasconi, Ulrich Heininger, Mohamed Abbas, David Nadal, Carol Strahm, Stefan Erb, Stefan Zimmerli, Hansjakob Furrer, Julie Delaloye, Thierry Kuntzer, Ekkehard Altpeter, Mathias Sturzenegger, Rainer Weber, For The Swiss Society For Infectious Diseases And The Swiss Society For Neurology
Lyme borreliosis is caused by Borrelia burgdorferi sensu lato infection, which responds well to antibiotic therapy in the overwhelming majority of cases. However, despite adequate antibiotic treatment some patients report persisting symptoms which are commonly summarised as post-treatment Lyme disease syndrome (PTLDS). In 2005, the Swiss Society of Infectious Diseases published a case definition for PTLDS. We aimed to review the scientific literature with a special emphasis on the last 10 years, questioning whether the definitions from 2005 are still valid in the light of current knowledge...
2016: Swiss Medical Weekly
https://www.readbyqxmd.com/read/27920571/commercial-test-kits-for-detection-of-lyme-borreliosis-a-meta-analysis-of-test-accuracy
#2
Michael J Cook, Basant K Puri
The clinical diagnosis of Lyme borreliosis can be supported by various test methodologies; test kits are available from many manufacturers. Literature searches were carried out to identify studies that reported characteristics of the test kits. Of 50 searched studies, 18 were included where the tests were commercially available and samples were proven to be positive using serology testing, evidence of an erythema migrans rash, and/or culture. Additional requirements were a test specificity of ≥85% and publication in the last 20 years...
2016: International Journal of General Medicine
https://www.readbyqxmd.com/read/27916581/use-of-a-tick-borne-disease-manual-increases-accuracy-of-tick-identification-among-primary-care-providers-in-lyme-disease-endemic-areas
#3
Amber D Butler, Meredith L Carlson, Christina A Nelson
Given the high incidence of tick bites and tick-borne diseases in the United States, it is important for primary care providers to recognize common ticks and the pathogens they may transmit. If a patient has removed and saved an attached tick, identifying the tick helps guide clinical management and determine whether antibiotic prophylaxis for Lyme disease is appropriate. To investigate providers' ability to recognize common ticks and the pathogens they may transmit, we asked 76 primary care providers from Lyme disease endemic areas to identify the common name or genus of preserved ticks found in their area...
November 23, 2016: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/27914746/a-critical-appraisal-of-the-mild-axonal-peripheral-neuropathy-of-late-neurologic-lyme-disease
#4
REVIEW
Gary P Wormser, Franc Strle, Eugene D Shapiro, Raymond J Dattwyler, Paul G Auwaerter
In older studies, a chronic distal symmetric sensory neuropathy was reported as a relatively common manifestation of late Lyme disease in the United States. However, the original papers describing this entity had notable inconsistencies and certain inexplicable findings, such as reports that this condition developed in patients despite prior antibiotic treatment known to be highly effective for other manifestations of Lyme disease. More recent literature suggests that this entity is seen rarely, if at all. A chronic distal symmetric sensory neuropathy as a manifestation of late Lyme disease in North America should be regarded as controversial and in need of rigorous validation studies before acceptance as a documented clinical entity...
November 12, 2016: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/27913725/in-vivo-expression-technology-and-5-end-mapping-of-the-borrelia-burgdorferi-transcriptome-identify-novel-rnas-expressed-during-mammalian-infection
#5
Philip P Adams, Carlos Flores Avile, Niko Popitsch, Ivana Bilusic, Renée Schroeder, Meghan Lybecker, Mollie W Jewett
Borrelia burgdorferi, the bacterial pathogen responsible for Lyme disease, modulates its gene expression profile in response to the environments encountered throughout its tick-mammal infectious cycle. To begin to characterize the B. burgdorferi transcriptome during murine infection, we previously employed an in vivo expression technology-based approach (BbIVET). This identified 233 putative promoters, many of which mapped to un-annotated regions of the complex, segmented genome. Herein, we globally identify the 5' end transcriptome of B...
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27911694/seroprevalence-of-babesia-microti-in-individuals-with-lyme-disease
#6
Sabino R Curcio, Laurel P Tria, Azad L Gucwa
INTRODUCTION: Babesiosis is an emerging tick-borne disease (TBD) caused by Babesia microti, an intracellular parasite of red blood cells. Currently, it is the highest ranked pathogen transmitted by blood transfusion. Most healthy individuals infected with B. microti are asymptomatic, but may be at risk for chronic infection. Similar to Lyme disease transmitted by Borrelia burgdorferi, B. microti is spread by Ixodes scapularis ticks. The rate of coinfection with these TBDs in humans is unclear as most studies have focused their prevalence in ticks or rodent reservoirs...
December 2016: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/27909484/lyme-arrhythmia-in-an-avid-golfer-a-diagnostic-challenge-and-a-therapeutic-dilemma
#7
Ujjwal Rastogi, Dr Nidhi Kumars
Lyme disease is a multisystem disorder affecting dermatologic, cardiac, nervous and musculoskeletal systems. Cardiac manifestations occur in about 5% of Lyme infections and stem from the involvement of the cardiac conduction system, resulting in varying degrees of sino-atrioventricular block. Occasionally, Lyme infection may also present with myopericarditis. Unlike isolated conduction node disease, myocardial involvement presents a great diagnostic and therapeutic dilemma for the physician. We report the case of a 68 year-old male cardiologist who presented with new onset exertional dyspnea and palpitations...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27902419/influence-of-tick-and-mammalian-physiological-temperatures-on-borrelia-burgdorferi-biofilms
#8
Shafiq Shaikh, Venkata Arun Timmaraju, Jason P Torres, Kayla M Socarras, Priyanka A S Theophilus, Eva Sapi
The spirochaete bacterium Borrelia burgdorferisensu lato is the aetiologic agent of Lyme disease. Borrelia is transmitted to mammals through tick bite and is adapted to survive at tick and mammalian physiological temperatures. We have previously shown that B. burgdorferi can exist in different morphological forms, including the antibiotic-resistant biofilm form, in vitro and in vivo. B. burgdorferi forms aggregates in ticks as well as in humans, indicating potential of biofilm formation at both 23 and 37 °C...
November 2016: Microbiology
https://www.readbyqxmd.com/read/27900646/the-potential-of-omics-technologies-in-lyme-disease-biomarker-discovery-and-early-detection
#9
REVIEW
Alaa Badawi
Lyme borreliosis (LB) is the most prevalent arthropod-borne infectious disease in North America and many countries of the temperate Northern Hemisphere. It is associated with local and systemic manifestations and has persistent post-treatment health complications in some individuals. Innate and acquired immunity-related inflammation is likely to play a critical role in both host defense against Borrelia burgdorferi and disease severity. Large-scale analytical approaches to quantify gene expression (transcriptomics), proteins (proteomics) and metabolites (metabolomics) in LB have recently emerged with a potential to advance the development of disease biomarkers in early, disseminated and posttreatment disease stages...
November 29, 2016: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/27898670/gray-wolf-exposure-to-emerging-vector-borne-diseases-in-wisconsin-with-comparison-to-domestic-dogs-and-humans
#10
Rocio F Jara, Adrian P Wydeven, Michael D Samuel
World-wide concern over emerging vector-borne diseases has increased in recent years for both animal and human health. In the United Sates, concern about vector-borne diseases in canines has focused on Lyme disease, anaplasmosis, ehrlichiosis, and heartworm which infect domestic and wild canids. Of these diseases, Lyme and anaplasmosis are also frequently diagnosed in humans. Gray wolves (Canis lupus) recolonized Wisconsin in the 1970s, and we evaluated their temporal and geographic patterns of exposure to these four vector-borne diseases in Wisconsin as the population expanded between 1985 and 2011...
2016: PloS One
https://www.readbyqxmd.com/read/27892737/progress-in-the-molecular-diagnosis-of-lyme-disease
#11
Eva Ružić-Sabljić, Tjaša Cerar
Current laboratory testing of Lyme borreliosis mostly relies on serological methods with known limitations. Diagnostic modalities enabling direct detection of pathogen at the onset of the clinical signs could overcome some of the limitations. Molecular methods detecting borrelial DNA seem to be the ideal solution, although there are some aspects that need to be considered. Areas covered: This review represent summary and discussion of the published data obtained from literature searches from PubMed and The National Library of Medicine (USA) together with our own experience on molecular diagnosis of Lyme disease...
November 28, 2016: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/27891258/lyme-carditis-an-interesting-trip-to-third-degree-heart-block-and-back
#12
Maxwell Eyram Afari, Fady Marmoush, Mobeen Ur Rehman, Umama Gorsi, Joseph F Yammine
Carditis is an uncommon presentation of the early disseminated phase of Lyme disease. We present the case of a young female who presented with erythema migrans and was found to have first-degree heart block which progressed to complete heart block within hours. After receiving ceftriaxone, there was complete resolution of the heart block in sequential fashion. Our case illustrates the importance of early recognition and anticipation of progressive cardiac conduction abnormalities in patients presenting with Lyme disease...
2016: Case Reports in Cardiology
https://www.readbyqxmd.com/read/27887625/the-impact-of-temperature-and-precipitation-on-blacklegged-tick-activity-and-lyme-disease-incidence-in-endemic-and-emerging-regions
#13
James C Burtis, Patrick Sullivan, Taal Levi, Kelly Oggenfuss, Timothy J Fahey, Richard S Ostfeld
BACKGROUND: The incidence of Lyme disease shows high degrees of inter-annual variation in the northeastern United States, but the factors driving this variation are not well understood. Complicating matters, it is also possible that these driving factors may vary in regions with differing histories of Lyme disease endemism. We evaluated the effect of the number of hot (T > 25 °C), dry (precipitation = 0) days during the questing periods of the two immature Ixodes scapularis life stages (larval and nymphal) on inter-annual variation in Lyme disease incidence between 2000 and 2011 in long-term endemic versus recently endemic areas...
November 25, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27885483/neuroborreliosis
#14
John J Halperin
Appropriate, critical application of evidence-based diagnostic criteria enables both a clear definition of what constitutes neuroborreliosis-nervous system infection with Borrelia burgdorferi sensu stricto in the US, B garinii and less commonly B. afzelii and other species in Europe-and recognition that this disorder is quite similar in Europe and the US. Most commonly evidenced by lymphocytic meningitis and/or multifocal inflammation of the peripheral (common; cranial neuropathy, radiculopathy, mononeuropathy multiplex) or central (rare) nervous system, it is readily diagnosed and highly antibiotic responsive...
November 24, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27883377/borrelia-burgdorferi-%C3%A2-morphological-structure-and-motility-as-adaptation-for-transmission-and-survival-in-the-habitat-of-a-tick-vertebrate-setup
#15
Paweł Penza, Anna Moniuszko-Malinowska, Piotr Czupryna, Sławomir Pancewicz, Joanna Zajkowska
Lyme borreliosis is a multisystem chronic disease caused by Borrelia burgdorferi sensu lato (s.l.) spirochete transmitted by Ixodes. This bacterium has a remarkable ability to survive in tick-vertebrate setup. Its infection causes diagnostic and clinical difficulties. It was distinguished as a separate disease entity over 30 years ago. Observations made by Steere et al. proved to be a milestone since they found correlation between the occurrence of skin and joint lesions with tick bites. Further studies showed that the disease affects not only joints and skin, but also nervous and circulatory systems...
2016: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/27877080/established-population-of-blacklegged-ticks-with-high-infection-prevalence-for-the-lyme-disease-bacterium-borrelia-burgdorferi-sensu-lato-on-corkscrew-island-kenora-district-ontario
#16
John D Scott, Janet E Foley, Kerry L Clark, John F Anderson, Lance A Durden, Jodi M Manord, Morgan L Smith
We document an established population of blacklegged ticks, Ixodes scapularis, on Corkscrew Island, Kenora District, Ontario, Canada. Primers of the outer surface protein A (OspA) gene, the flagellin (fla) gene, and the flagellin B (flaB) gene were used in the PCR assays to detect Borrelia burgdorferi sensu lato (s.l.), the Lyme disease bacterium. In all, 60 (73%) of 82 adult I. scapularis, were infected with B. burgdorferi s.l. As well, 6 (43%) of 14 unfed I. scapularis nymphs were positive for B. burgdorferi s...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27871570/peroperative-cardiogenic-shock-suggesting-acute-coronary-syndrome-as-initial-manifestation-of-lyme-carditis
#17
C Clinckaert, S Bidgoli, T Verbeet, R Attou, P Gottignies, J Massaut, P Reper
Carditis can complicate Lyme disease in an estimated <5% of cases, and cardiogenic shock and severe cardiac arrhythmias are described with electrocardiographic abnormalities that could be suggestive of coronary manifestations. We report a case of severe persistent biventricular heart failure complicated by cardiac arrhythmias as initial manifestation of a Lyme disease developing peroperatively electrocardiographic abnormalities suggesting acute transmural myocardial infarction.
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27870540/lyme-disease-in-poland-in-2014
#18
Iwona Paradowska-Stankiewicz, Irena Chrześcijańska
INTRODUCTION: Lyme disease is the most common tick-borne disease, caused by spirochetes of the Borrelia genus transmitted by ticks of the Ixodes genus. Infection caused by Borrelia burgdorferi occur throughout Poland and therefore, according also to ECDC description, the whole country should be considered as an endemic area. OBJECTIVES: The aim of this study was to assess the epidemiological situation of Lyme disease in Poland in 2014 in comparison to the previous years...
2016: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/27869793/lyme-disease-spirochaete-borrelia-burgdorferi-does-not-require-thiamin
#19
Kai Zhang, Jiang Bian, Yijie Deng, Alexis Smith, Roy E Nunez, Michael B Li, Utpal Pal, Ai-Ming Yu, Weigang Qiu, Steven E Ealick, Chunhao Li
Thiamin pyrophosphate (ThDP), the active form of thiamin (vitamin B1), is believed to be an essential cofactor for all living organisms(1,2). Here, we report the unprecedented result that thiamin is dispensable for the growth of the Lyme disease pathogen Borrelia burgdorferi (Bb)(3). Bb lacks genes for thiamin biosynthesis and transport as well as known ThDP-dependent enzymes(4), and we were unable to detect thiamin or its derivatives in Bb cells. We showed that eliminating thiamin in vitro and in vivo using BcmE, an enzyme that degrades thiamin, has no impact on Bb growth and survival during its enzootic infectious cycle...
November 21, 2016: Nature Microbiology
https://www.readbyqxmd.com/read/27867375/ceftriaxone-pulse-dosing-fails-to-eradicate-biofilm-like-microcolony-b-burgdorferi-persisters-which-are-sterilized-by-daptomycin-doxycycline-cefuroxime-without-pulse-dosing
#20
Jie Feng, Shuo Zhang, Wanliang Shi, Ying Zhang
Although the majority of Lyme disease patients can be cured, at least 10-20% of the patients continue to suffer from persisting symptoms such as fatigue, muscular and joint pain, and neurologic impairment after standard 2-4 week antibiotic treatment. While the causes for this post-treatment Lyme disease symptoms are unclear, one possibility is due to Borrelia burgdorferi persisters that are not effectively killed by current antibiotics such as doxycycline or amoxicillin used to treat Lyme disease. A previous study showed that four rounds of ceftriaxone pulse dosing treatment eradicated B...
2016: Frontiers in Microbiology
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