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Bartonella endocarditis

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https://www.readbyqxmd.com/read/27885316/bartonella-endocarditis-and-pauci-immune-glomerulonephritis-a-case-report-and-review-of-the-literature
#1
REVIEW
Jillian E Raybould, Alison L Raybould, Megan K Morales, Misbah Zaheer, Michael S Lipkowitz, Joseph G Timpone, Princy N Kumar
Among culture-negative endocarditis in the United States, Bartonella species are the most common cause, with Bartonella henselae and Bartonella quintana comprising the majority of cases. Kidney manifestations, particularly glomerulonephritis, are common sequelae of infectious endocarditis, with nearly half of all Bartonella patients demonstrating renal involvement. Although a pauci-immune pattern is a frequent finding in infectious endocarditis-associated glomerulonephritis, it is rarely reported in Bartonella endocarditis...
September 2016: Infectious Diseases in Clinical Practice: IDCP
https://www.readbyqxmd.com/read/27844027/prosthetic-valve-endocarditis-caused-by-bartonella-henselae-a-case-report-of-molecular-diagnostics-informing-nonsurgical-management
#2
Patricia Bartley, Emmanouil Angelakis, Didier Raoult, Rangarajan Sampath, Robert A Bonomo, Robin L P Jump
Identifying the pathogen responsible for culture-negative valve endocarditis often depends on molecular studies performed on surgical specimens. A patient with Ehlers-Danlos syndrome who had an aortic graft, a mechanical aortic valve, and a mitral anulloplasty ring presented with culture-negative prosthetic valve endocarditis and aortic graft infection. Research-based polymerase chain reaction (PCR)/electrospray ionization mass spectrometry on peripheral blood samples identified Bartonella henselae. Quantitative PCR targeting the16S-23S ribonucleic acid intergenic region and Western immunoblotting confirmed this result...
October 2016: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/27790856/a-family-of-genus-specific-rnas-in-tandem-with-dna-binding-proteins-control-expression-of-the-bada-major-virulence-factor-gene-in-bartonella-henselae
#3
Nhan Tu, Ronan K Carroll, Andy Weiss, Lindsey N Shaw, Gael Nicolas, Sarah Thomas, Amorce Lima, Udoka Okaro, Burt Anderson
Bartonella henselae is a gram-negative zoonotic bacterium that causes infections in humans including endocarditis and bacillary angiomatosis. B. henselae has been shown to grow as large aggregates and form biofilms in vitro. The aggregative growth and the angiogenic host response requires the trimeric autotransporter adhesin BadA. We examined the transcriptome of the Houston-1 strain of B. henselae using RNA-seq revealing nine novel, highly-expressed intergenic transcripts (Bartonella regulatory transcript, Brt1-9)...
October 28, 2016: MicrobiologyOpen
https://www.readbyqxmd.com/read/27746451/bartonella-henselae-infective-endocarditis-detected-by-a-prolonged-blood-culture
#4
Tsutomu Mito, Yusuke Hirota, Shingo Suzuki, Kazutaka Noda, Takanori Uehara, Yoshiyuki Ohira, Masatomi Ikusaka
A 65-year-old Japanese man was admitted with a 4-month history of fatigue and exertional dyspnea. Transthoracic echocardiography revealed a vegetation on the aortic valve and severe aortic regurgitation. Accordingly, infective endocarditis and heart failure were diagnosed. Although a blood culture was negative on day 7 after admission, a prolonged blood culture with subculture was performed according to the patient's history of contact with cats. Consequently, Bartonella henselae was isolated. Bartonella species are fastidious bacteria that cause blood culture-negative infective endocarditis...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27651404/unexpected-severe-native-aortic-subacute-endocarditis-due-to-bartonella-quintana-in-a-40-year-old-woman-with-good-socioeconomic-condition
#5
Julien Saison, Brahim Harbaoui, Coralie Bouchiat, Matteo Pozzi, Tristan Ferry
No abstract text is available yet for this article.
2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27375211/the-centenary-of-the-discovery-of-trench-fever-an-emerging-infectious-disease-of-world-war-1
#6
REVIEW
Gregory M Anstead
In 1915, a British medical officer on the Western Front reported on a soldier with relapsing fever, headache, dizziness, lumbago, and shin pain. Within months, additional cases were described, mostly in frontline troops, and the new disease was called trench fever. More than 1 million troops were infected with trench fever during World War 1, with each affected soldier unfit for duty for more than 60 days. Diagnosis was challenging, because there were no pathognomonic signs and symptoms and the causative organism could not be cultured...
August 2016: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/27316654/development-of-fluorogenic-probe-based-and-high-resolution-melting-based-polymerase-chain-reaction-assays-for-the-detection-and-differentiation-of-bartonella-quintana-and-bartonella-henselae
#7
Yun-Yan Liu, Long-Sheng Zhao, Xiu-Ping Song, Peng-Chen Du, Dong-Mei Li, Zhong-Ke Chen, Qi-Yong Liu
Bartonella henselae and Bartonella quintana are the major etiological agents of infective endocarditis, which pose a serious threat to human health. To simultaneously detect and differentiate B. henselae and B. quintana, a reliable and fast method to simultaneously detect and differentiate B. henselae and B. quintana is required. In this study, we developed and validated two rapid, highly sensitive and specific, duplex, real-time polymerase chain reaction (PCR) assays-one based on high-resolution melting (HRM) analysis, and the other on TaqMan probes-to simultaneously detect and differentiate B...
June 14, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27283084/infective-endocarditis-in-13-cats
#8
Jean-Sébastien Palerme, Ashley E Jones, Jessica L Ward, Nandhakumar Balakrishnan, Keith E Linder, Edward B Breitschwerdt, Bruce W Keene
INTRODUCTION: To describe the clinical presentation, clinicopathological abnormalities and outcomes of a series of cats diagnosed with infective endocarditis (IE) at two tertiary care referral institutions. ANIMALS: Thirteen client-owned cats presenting to the cardiology or emergency services of tertiary referral institutions with a diagnosis of endocarditis based on the modified Duke criteria. MATERIALS AND METHODS: Retrospective case series...
September 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27138665/culture-negative-endocarditis-due-to-bartonella-quintana
#9
Vineshree Mischka Moodley, Tienie T S Zeeman, C H Johan Van Greune, Craig Corcoran
Bartonella spp. was first described as a possible cause of culture-negative endocarditis in 1993, and has since emerged as a significant cause of this condition worldwide. We describe a complicated case of culture-negative endocarditis in an immune-competent male patient, which was confirmed on resected heart valves to have been caused by Bartonella quintana by broad-range 16S ribosomal RNA polymerase chain reaction. The objective of this report is to highlight the clinical, diagnostic and therapeutic challenges of Bartonella endocarditis...
May 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/27127672/splenorenal-manifestations-of-bartonella-henselae-infection-in-a-pediatric-patient
#10
Taylor Rising, Nicholas Fulton, Pauravi Vasavada
Bartonella henselae is a bacterium which can cause a wide range of clinical manifestations, ranging from fever of unknown origin to a potentially fatal endocarditis. We report a case of Bartonella henselae infection in a pediatric-aged patient following a scratch from a kitten. The patient initially presented with a prolonged fever of unknown origin which was unresponsive to antibiotic treatment. The patient was hospitalized with worsening fevers and night sweat. Subsequent ultrasound imaging demonstrated multiple hypoechoic foci within the spleen...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/26999057/risk-factors-for-bartonella-species-infection-in-blood-donors-from-southeast-brazil
#11
Pedro Paulo Vissotto de Paiva Diniz, Paulo Eduardo Neves Ferreira Velho, Luiza Helena Urso Pitassi, Marina Rovani Drummond, Bruno Grosselli Lania, Maria Lourdes Barjas-Castro, Stanley Sowy, Edward B Breitschwerdt, Diana Gerardi Scorpio
Bacteria from the genus Bartonella are emerging blood-borne bacteria, capable of causing long-lasting infection in marine and terrestrial mammals, including humans. Bartonella are generally well adapted to their main host, causing persistent infection without clinical manifestation. However, these organisms may cause severe disease in natural or accidental hosts. In humans, Bartonella species have been detected from sick patients presented with diverse disease manifestations, including cat scratch disease, trench fever, bacillary angiomatosis, endocarditis, polyarthritis, or granulomatous inflammatory disease...
March 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/26885624/identification-of-novel-zoonotic-activity-of-bartonella-spp-france
#12
Muriel Vayssier-Taussat, Sara Moutailler, Françoise Féménia, Philippe Raymond, Olivier Croce, Bernard La Scola, Pierre-Edouard Fournier, Didier Raoult
Certain Bartonella species are known to cause afebrile bacteremia in humans and other mammals, including B. quintana, the agent of trench fever, and B. henselae, the agent of cat scratch disease. Reports have indicated that animal-associated Bartonella species may cause paucisymptomatic bacteremia and endocarditis in humans. We identified potentially zoonotic strains from 6 Bartonella species in samples from patients who had chronic, subjective symptoms and who reported tick bites. Three strains were B. henselae and 3 were from other animal-associated Bartonella spp...
March 2016: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/26819786/necrotizing-anca-positive-glomerulonephritis-secondary-to-culture-negative-endocarditis
#13
Sophie Van Haare Heijmeijer, Dunja Wilmes, Selda Aydin, Caroline Clerckx, Laura Labriola
Infective endocarditis (IE) and small-vessel vasculitis may have similar clinical features, including glomerulonephritis. Furthermore the association between IE and ANCA positivity is well documented, making differential diagnosis between IE- and ANCA-associated vasculitis particularly difficult, especially in case of culture-negative IE. We report on one patient with glomerulonephritis secondary to culture-negative IE caused by Bartonella henselae which illustrates this diagnostic difficulty.
2015: Case Reports in Nephrology
https://www.readbyqxmd.com/read/26659816/melody-valve-bartonella-henselae-endocarditis-in-an-afebrile-teen-a-case-report
#14
Tina Sosa, Bryan Goldstein, James Cnota, Roosevelt Bryant, Robert Frenck, Matthew Washam, Nicolas Madsen
Significant advancements in the care of children with cardiac valve disease over the past 15 years have led to the increasingly common use of percutaneous transcatheter valve implantation as an alternative to surgical replacement in selected patient populations. Although the transcatheter approach has several advantages, this approach and the valves used are not without complications. Bacterial endocarditis is a known and concerning complication after transcatheter pulmonary valve replacement (TPVR). Most reported cases have involved organisms that are common etiologic agents of bacterial endocarditis and are readily identified via blood culture...
January 2016: Pediatrics
https://www.readbyqxmd.com/read/26658020/whole-genome-sequence-analysis-and-exploration-of-the-zoonotic-potential-of-a-rat-borne-bartonella-elizabethae
#15
S T Tay, K L Kho, W Y Wee, S W Choo
Bartonella elizabethae has been known to cause endocarditis and neuroretinitis in humans. The genomic features and virulence profiles of a B. elizabethae strain (designated as BeUM) isolated from the spleen of a wild rat in Kuala Lumpur, Malaysia are described in this study. The BeUM strain has a genome size of 1,932,479bp and GC content of 38.3%. There is a high degree of conservation between the genomes of strain BeUM with B. elizabethae type strains (ATCC 49927 and F9251) and a rat-borne strain, Re6043vi...
March 2016: Acta Tropica
https://www.readbyqxmd.com/read/26404944/-proliferative-glomerulonephritis-and-erythroblastopenia-associated-with-bartonella-quintana-endocarditis
#16
Mathilde Lemoine, Stéphane Edet, Arnaud François, Catherine Bessin, Dominique Guerrot
Bartonella quintana is a facultative intracellular bacteria responsible of negative blood culture endocarditis whose diagnosis is often delayed. The occurrence of renal involvement has been exceptionally described in this context. We report the case of a 54-year-old man presenting with Bartonella quintana endocarditis complicated by proliferative glomerulonephritis with acute kidney injury and erythroblastopenia.
December 2015: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/26342845/quintessential-culture-negative-endocarditis
#17
Yoav Keynan, Lauren MacKenzie, Philippe Lagacé-Wiens
Bartonella spp are important causes of culture-negative endocarditis, generally causing a subacute insidious form of endocarditis, often leading to a delay in diagnosis. Most patients have fever and often present with signs and symptoms of heart failure. The diagnosis is frequently established only on meticulous examination of the resected heart valve with the polymerase chain reaction technique. We present a case of B quintana mitral and aortic valve endocarditis with associated severe valvular insufficiency and decompensated heart failure precipitated by Streptococcus pneumoniae bacteremia, necessitating urgent surgical valve replacement...
March 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/26197233/bartonella-spp-and-coxiella-burnetii-associated-with-community-acquired-culture-negative-endocarditis-brazil
#18
Rinaldo Focaccia Siciliano, Jussara Bianchi Castelli, Alfredo Jose Mansur, Fabiana Pereira dos Santos, Silvia Colombo, Elvira Mendes do Nascimento, Christopher D Paddock, Roosecelis Araújo Brasil, Paulo Eduardo Neves Ferreira Velho, Marina Rovani Drummond, Max Grinberg, Tania Mara Varejao Strabelli
We evaluated culture-negative, community-acquired endocarditis by using indirect immunofluorescent assays and molecular analyses for Bartonella spp. and Coxiella burnetii and found a prevalence of 19.6% and 7.8%, respectively. Our findings reinforce the need to study these organisms in patients with culture-negative, community-acquired endocarditis, especially B. henselae in cat owners.
August 2015: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/26184640/infective-endocarditis-with-negative-blood-culture-and-negative-echocardiographic-findings
#19
Izumi Sumatani, Nobuyuki Kagiyama, Chie Saito, Masaki Makanae, Hideo Kanetsuna, Kenta Ahn, Akira Mizukami, Yuji Hashimoto
A 61-year-old male presented with fever. He had a history of aortic valve replacement, and infective endocarditis was suspected. The transthoracic and transesophageal echocardiography on admission could not detect vegetation, and all blood cultures obtained were negative. We concluded that infective endocarditis was not likely. However, repeated echocardiography revealed paravalvular regurgitation and paravalvular abscess. Serum antibody testing for Bartonella henselae was positive, leading to the diagnosis of blood culture-negative endocarditis...
June 2015: Journal of Echocardiography
https://www.readbyqxmd.com/read/26161064/cat-scratch-disease-a-wide-spectrum-of-clinical-pictures
#20
REVIEW
Katarzyna Mazur-Melewska, Anna Mania, Paweł Kemnitz, Magdalena Figlerowicz, Wojciech Służewski
The aim of this review is to present an emerging zoonotic disease caused by Bartonella henselae. The wide spectrum of diseases connected with these bacteria varies from asymptomatic cases, to skin inflammation, fever of unknown origin, lymphadenopathy, eye disorders, encephalitis and endocarditis. The reservoirs of B. henselae are domestic animals like cats, guinea pigs, rabbits and occasionally dogs. Diagnosis is most often based on a history of exposure to cats and a serologic test with high titres of the immunoglobulin G antibody to B...
June 2015: Postȩpy Dermatologii i Alergologii
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