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Helicobacter cinaedi

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https://www.readbyqxmd.com/read/28508961/bacteremic-kidney-cyst-infection-caused-by-helicobacter-cinaedi
#1
Kenta Ito, Takumi Yamamoto, Haruomi Nishio, Asako Sawaya, Masaaki Murakami, Akiko Kitagawa, Yoko Matsuo, Ken Matsuo, Satoshi Tanaka, Noriko Mori
Cyst infection is one of the major complications in patients with autosomal dominant polycystic kidney disease (ADPKD). The causative pathogen in kidney cyst infection frequently goes undetected. Although only one case report of kidney cyst infection caused by Helicobacter cinaedi (H. cinaedi) is published in English literature, it may be an important pathogen in kidney cyst infection. Kidney cyst infection and H. cinaedi infection share the common characteristic of tendency to relapse and chronic kidney disease is a major risk factor for H...
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28321078/helicobacter-cinaedi-bacteremia-mimicking-a-flare-of-systemic-lupus-erythematosus
#2
Ruriko Nishida, Nobuyuki Shimono, Noriko Miyake, Yong Chong, Shinji Shimoda, Hiroshi Tsukamoto, Koichi Akashi
A 40-year-old woman with systemic lupus erythematosus (SLE) presented with high-grade fever and severe thrombocytopenia. Acalculous cholecystitis and thrombocytopenia were initially suspected to be complicated with SLE and vasculitis. Contrary to our expectation, however, the patient was finally diagnosed with Helicobacter cinaedi bacteremia. SLE patients show various symptoms, especially when their condition is complicated with vasculitis, which mimics H. cinaedi bacteremia. It is therefore difficult to provide a definite diagnosis...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28247494/extraintestinal-infection-of-helicobacter-cinaedi-induced-by-oral-administration-to-balb-c-mice
#3
Takako Taniguchi, Yuji Saeki, Akihiko Okayama, Tetsuya Hayashi, Naoaki Misawa
Although Helicobacter cinaedi was initially considered an opportunistic pathogen in immunocompromised patients, it was later shown to also infect immunocompetent and healthy individuals. Sporadic bacteremia due to H. cinaedi has frequently been reported; however, whether the bacterium can be translocated after passage through the intestinal mucosa remains unclear. In the present study, a preclinical small animal model that faithfully reproduces H. cinaedi infection in humans was developed. Balb/c male mice were orally inoculated with a single dose of 6...
February 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28173879/helicobacter-cinaedi-bacteremia-with-cellulitis-in-a-living-donor-kidney-transplant-recipient-identified-by-matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry-a-case-report
#4
Ai Katsuma, Izumi Yamamoto, Yukiko Tsuchiya, Mayuko Kawabe, Takafumi Yamakawa, Haruki Katsumata, Aki Mafune, Yasuyuki Nakada, Akimitsu Kobayashi, Kentaro Koike, Akihiro Shimizu, Yudo Tanno, Ichiro Ohkido, Nobuo Tsuboi, Seiji Hori, Hiroyasu Yamamoto, Takashi Yokoo
BACKGROUND: Helicobacter cinaedi causes bacteremia and cellulitis, mainly in immunocompromised patients. We report a rare case of H. cinaedi bacteremia with cellulitis in a living-donor kidney transplant recipient identified by matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS). A 54-year-old Asian man with IgA nephropathy underwent living-donor kidney transplantation 14 years previously. He was admitted to our hospital for evaluation of fever and multifocal cellulitis...
February 7, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28074932/the-helicobacter-cinaedi-antigen-caip-participates-in-atherosclerotic-inflammation-by-promoting-the-differentiation-of-macrophages-in-foam-cells
#5
Mario Milco D'Elios, Francesca Vallese, Nagaja Capitani, Marisa Benagiano, Maria Lina Bernardini, Mirko Rossi, Gian Paolo Rossi, Mauro Ferrari, Cosima Tatiana Baldari, Giuseppe Zanotti, Marina de Bernard, Gaia Codolo
Recent studies have shown that certain specific microbial infections participate in atherosclerosis by inducing inflammation and immune reactions, but how the pathogens implicated in this pathology trigger the host responses remains unknown. In this study we show that Helicobacter cinaedi (Hc) is a human pathogen linked to atherosclerosis development since at least 27% of sera from atherosclerotic patients specifically recognize a protein of the Hc proteome, that we named Cinaedi Atherosclerosis Inflammatory Protein (CAIP) (n = 71)...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28061821/unusual-manifestation-of-helicobacter-cinaedi-infection-a-case-report-of-intracranial-subdural-empyema-and-bacteremia
#6
Toshimasa Hayashi, Junko Tomida, Yoshiaki Kawamura, Masakazu Yoshida, Ikuyo Yokozawa, Shingaku Kaneko
BACKGROUND: There have been various reports concerning Helicobacter cinaedi infections. However, few reports have examined central nervous system infections. CASE PRESENTATION: A 52-year-old man was transferred from the local hospital because of a persistent headache and suspected intracranial subdural empyema. Neurosurgical drainage was performed via burr holes. Gram staining and results from abscess cultures were negative. The blood culture yielded H. cinaedi...
January 7, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28050043/enteral-malakoplakia-prior-to-helicobacter-cinaedi-bacteremia
#7
Osamu Imataki, Kaori Kawashima, Shumpei Uchida, Shigeyuki Yokokura, Makiko Uemura, Norimitsu Kadowaki
No abstract text is available yet for this article.
January 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28031451/closing-the-brief-case-bacteremia-caused-by-helicobacter-cinaedi
#8
EDITORIAL
Allen C Bateman, Susan M Butler-Wu
No abstract text is available yet for this article.
January 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28031444/the-brief-case-bacteremia-caused-by-helicobacter-cinaedi
#9
EDITORIAL
Allen C Bateman, Susan M Butler-Wu
No abstract text is available yet for this article.
January 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27613684/epithelial-coculture-and-l-lactate-promote-growth-of-helicobacter-cinaedi-under-h2-free-aerobic-conditions
#10
Jonathan E Schmitz, Takako Taniguchi, Naoaki Misawa, Timothy L Cover
Helicobacter cinaedi is an emerging opportunistic pathogen associated with infections of diverse anatomic sites. Nevertheless, the species demonstrates fastidious axenic growth; it has been described as requiring a microaerobic atmosphere, along with a strong preference for supplemental H2 gas. In this context, we examined the hypothesis that in vitro growth of H. cinaedi could be enhanced by coculture with human epithelial cells. When inoculated (in Ham's F12 medium) over Caco-2 monolayers, the type strain (ATCC BAA-847) gained the ability to proliferate under H2-free aerobic conditions...
November 15, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27531542/other-helicobacters-and-gastric-microbiota
#11
REVIEW
Chloë De Witte, Christian Schulz, Annemieke Smet, Peter Malfertheiner, Freddy Haesebrouck
This article aimed to review the literature from 2015 dealing with gastric and enterohepatic non-Helicobacter pylori Helicobacter species (NHPH). A summary of the gastric microbiota interactions with H. pylori is also presented. An extensive number of studies were published during the last year and have led to a better understanding of the pathogenesis of infections with NHPH. These infections are increasingly reported in human patients, including infections with H. cinaedi, mainly characterized by severe bacteremia...
September 2016: Helicobacter
https://www.readbyqxmd.com/read/27484266/helicobacter-cinaedi-an-emerging-form-of-cellulitis
#12
Z Laftah, R Hay
No abstract text is available yet for this article.
July 2016: British Journal of Dermatology
https://www.readbyqxmd.com/read/27407291/an-in-silico-approach-for-identification-of-the-pathogenic-species-helicobacter-pylori-and-its-relatives
#13
Ayush Puri, Arshiya Rai, P S Dhanaraj, Rup Lal, Dev Dutt Patel, Anju Kaicker, Mansi Verma
Helicobacter is an economically important genus within the phylum Proteobacteria and include many species which cause many diseases in humans. With the conventional methods, it is difficult to identify them easily due to the high genetic similarity among its species. In the present study, 361 16S rRNA (rrs) gene sequences belonging to 45 species of genus Helicobacter were analyzed. Out of these, 264 sequences of 10 clinically relevant species (including Helicobacter pylori) were used. rrs gene sequences were analyzed to obtain a phylogenetic framework tree, in silico restriction enzyme analysis and species-specific conserved motifs...
September 2016: Indian Journal of Microbiology
https://www.readbyqxmd.com/read/27381809/proposal-of-helicobacter-canicola-sp-nov-previously-identified-as-helicobacter-cinaedi-isolated-from-canines
#14
Yoshiaki Kawamura, Junko Tomida, Tohru Miyoshi-Akiyama, Tatsuya Okamoto, Masashi Narita, Katsuhiko Hashimoto, Margo Cnockaert, Peter Vandamme, Yuji Morita, Tomohiro Sawa, Takaaki Akaike
During the course of our taxonomic investigation of Helicobacter cinaedi, it was realized that the strains isolated from dogs, which have been identified as H. cinaedi, showed different biochemical traits than did the isolates obtained from humans. None of the three dog isolates could reduce nitrate to nitrite, whereas all of the human H. cinaedi isolates could do so. The dog isolates showed a strong positive alkaline phosphatase reaction and could grow at 42°C, however the human isolates showed negative to very weak responses to those tests...
July 2016: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/27379506/graft-placement-with-an-omental-flap-for-ruptured-infective-common-iliac-aneurysm-in-a-patient-with-a-continuous-flow-left-ventricular-assist-device-alternative-surgical-approach-avoiding-driveline-injury-and-pathogen-identification-by-16s-ribosomal-dna-gene
#15
Masatoshi Akiyama, Yukihiro Hayatsu, Ko Sakatsume, Hidenori Fujiwara, Takuya Shimizu, Daijirou Akamatsu, Risako Kakuta, Yoshiaki Gu, Mitsuo Kaku, Kiichiro Kumagai, Shunsuke Kawamoto, Hitoshi Goto, Noriaki Ohuchi, Yoshikatsu Saiki
Patients supported by mechanical circulatory support have to wait for longer periods for heart transplantation in Japan. Infective events are a major complication and influence survival. Here, we present the case of a patient with an implantable left ventricular assist device for 6 months who had the complication of ruptured infective common iliac aneurysm. Graft placement with an omental flap was successfully performed via the alternative surgical approach to avoid percutaneous driveline injury. In samples of aortic specimens, 16S ribosomal DNA gene analysis identified Helicobacter cinaedi...
December 2016: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/27377098/recurrent-cellulitis-caused-by-helicobacter-cinaedi-in-a-patient-with-x-linked-agammaglobulinaemia
#16
Masayo Sugimoto, Takuya Takeichi, Hideki Muramatsu, Daiei Kojima, Yukari Osada, Michihiro Kono, Seiji Kojima, Masashi Akiyama
No abstract text is available yet for this article.
February 8, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/27357987/the-first-case-report-of-cerebral-cyst-infection-due-to-helicobacter-cinaedi
#17
Soichiro Abiko, Itaru Nakamura, Yoshiko Yamaguchi, Kiyofumi Ohkusu, Yoji Hirayama, Tetsuya Matsumoto
We report the first case of cerebral cyst infection by Helicobacter cinaedi, a fastidious spiral-shaped gram-negative rod bacterium. A 70-year-old man visited Tokyo Medical University Hospital with persisting fever since 2 weeks. He underwent surgery and radiotherapy for parapharyngeal space squamous cell carcinoma 10 years ago. The radiotherapy resulted in a cerebral cyst as a side effect, and an Ommaya reservoir was inserted into the cyst. Blood culture and analysis of the brain cyst fluid revealed the presence of spiral-shaped gram-negative rod bacteria, which were identified as H...
March 24, 2017: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27347485/refractory-to-treat-helicobacter-cinaedi-bacteremia-with-bilateral-lower-extremities-cellulitis-in-an-immunocompetent-patient
#18
Yuichi Shimizu, Harumi Gomi, Haruhiko Ishioka, Momoko Isono
Helicobacter cinaedi is known to cause bacteremia with multi-focal cellulitis, usually, among immunocompromised patients. We report here a 54-year-old Japanese man who was found to have bacteremia complicated with bilateral lower extremities cellulitis due to H. cinaedi. This patient did not have any immunocompromised conditions including Human Immunodeficiency Virus infection. In this patient, the cellulitis was multi-focal which is rare among immunocompetent patients. In addition, interestingly, the cellulitis was symmetrically on the both sides on the lower dorsal part of the extremities...
2016: IDCases
https://www.readbyqxmd.com/read/27149471/helicobacter-fennelliae-bacteremia-three-case-reports-and-literature-review
#19
REVIEW
Sho Saito, Mika Tsukahara, Kiyofumi Ohkusu, Hanako Kurai
Helicobacter fennelliae is a gram-negative, spiral bacillus that appears as thin-spread colonies on sheep blood agar and is similar to Helicobacter cinaedi. H fennelliae is diagnosed by genetic testing, which is not readily available in all laboratories. Therefore, H fennelliae bacteremia has only been reported sporadically, and little is known about its clinical characteristics.We describe 3 cases of H fennelliae bacteremia with gastrointestinal symptoms, including nausea, vomiting, and diarrhea. Isolates could be differentiated from H cinaedi by biochemical reaction testing, including nitrate reduction and alkaline phosphatase hydrolysis...
May 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27040158/helicobacter-cinaedi-bacteremia-resulting-from-antimicrobial-resistance-acquired-during-treatment-for-x-linked-agammaglobulinemia
#20
Meiwa Toyofuku, Junko Tomida, Yoshiaki Kawamura, Ippei Miyata, Yuki Yuza, Yuho Horikoshi
This is the first report of penicillin/cephalosporin-resistant Helicobacter cinaedi arising from prolonged treatment. H. cinaedi, common among immunocompromised patients, caused recurrent bacteremia and cellulitis in a 19-year-old Japanese man with X-linked agammaglobulinemia. The minimal inhibitory concentration of these drugs was raised, which subsequently resulted in clinical failure. Prolonged suboptimal treatment may cause bacterial resistance to β-lactam antibiotics in H. cinaedi. It is possible that this resistance may have contributed to the treatment failure...
October 2016: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
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