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https://www.readbyqxmd.com/read/28100601/the-use-of-selective-fungal-culture-media-increases-detection-rates-of-fungi-in-the-cystic-fibrosis-respiratory-tract
#1
Gina Hong, Heather B Miller, Sarah Allgood, Richard Lee, Noah Lechtzin, Sean X Zhang
The prevalence of fungi in the respiratory tract of cystic fibrosis (CF) patients has risen. However, fungal surveillance is not routinely performed in most clinical centers in the United States, which may lead to an underestimation of the true prevalence of the problem. We conducted a prospective study comparing fungal detection rates for clinically important fungi (CIF) defined as Aspergillus species, Scedosporium species, Trichosporon species, and Exophiala dermatitidis in CF sputum using standard bacterial culture media and selective-fungal culture media, including Sabouraud dextrose agar with gentamicin (SDA), inhibitory mold agar (IMA), and brain-heart infusion agar (BHI) with chloramphenicol and gentamicin...
January 18, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28088169/tenosynovitis-caused-by-scedosporium-apiospermum-infection-misdiagnosed-as-an-alternaria-species-a-case-report
#2
Choon-Mee Kim, Sung-Chul Lim, Joa Kim, Hoe-Soo Jang, Jong-Hun Chung, Na-Ra Yun, Dong-Min Kim, Piyush Jha, Babita Jha, Seok Won Kim, Sook Jin Jang, Jong Hee Shin
BACKGROUND: Scedosporium apiospermum, which can usually be isolated from soil, polluted stream water and decaying vegetation, is increasingly recognized as an opportunistic dematiaceous fungus. The mortality rate of infection in immunocompromised hosts is over 50%. S. apiospermum is commonly responsible for dermal and epidermal infections (i.e., mycetoma) after traumatic penetration. CASE PRESENTATION: A 73-year-old woman was admitted to our hospital complaining of painful swelling and tenderness on the dorsum of the proximal left wrist and hand...
January 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28074414/spontaneous-remission-of-subcutaneous-scedosporiosis-caused-by-scedosporium-dehoogii-in-a-psoriatic-patient
#3
Fang-Gu Li, Yan-Ping Yang, Wei Li, Ping Sheng, Wen Li, Wen-Ming Huang, Yi-Ming Fan
To date, only one case of post-traumatic endophthalmitis caused by Scedosporium dehoogii has been reported, but its contamination or colonization might not be precluded due to the absence of pathogenic isolation and/or pathological examination. We report the first case to our knowledge of S. dehoogii-induced subcutaneous scedosporiosis in a psoriatic patient. A 58-year-old man with 5-year history of psoriasis vulgaris and immunosuppressant therapy developed pyrexia and multiple subcutaneous abscesses on both knees...
January 10, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28060882/secretion-of-proteases-by-an-opportunistic-fungal-pathogen-scedosporium-aurantiacum
#4
Zhiping Han, Liisa Kautto, Helena Nevalainen
Scedosporium aurantiacum is an opportunistic filamentous fungus increasingly isolated from the sputum of cystic fibrosis patients, and is especially prevalent in Australia. At the moment, very little is known about the infection mechanism of this fungus. Secreted proteases have been shown to contribute to fungal virulence in several studies with other fungi. Here we have compared the profiles of proteases secreted by a clinical isolate Scedosporium aurantiacum (WM 06.482) and an environmental strain (WM 10...
2017: PloS One
https://www.readbyqxmd.com/read/28053848/rapid-development-of-a-mycotic-aneurysm-of-the-intracranial-artery-secondary-to-scedosporium-apiospermum-sinusitis
#5
Yoshihiko Ogawa, Masatoshi Sato, Masato Tashiro, Masayuki Miyazaki, Kiyoshi Nagata, Nobuyuki Takahashi, Kei Kasahara, Koichi Izumikawa, Hisakazu Yano, Keiichi Mikasa
An 85-year-old man complained of a 2-month history of pain on the left side of his face. Brain computed tomography (CT) and magnetic resonance imaging/magnetic resonance angiography did not clearly show any intracranial abnormality and only showed fluid effusion in his left sphenoid sinus. Filamentous fungi were detected from the left sphenoid sinus specimen. The isolate was Scedosporium apiospermum. He was empirically treated with voriconazole, to which the isolate was susceptible. His consciousness decreased rapidly...
December 2016: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28035880/scedosporium-apiospermum-mycetoma-in-an-immunocompetent-patient-without-prior-lung-disease
#6
Kevin C Ma, Alejandro Pino, Navneet Narula, Meredith L Turetz
No abstract text is available yet for this article.
January 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28031271/voriconazole-mics-are-predictive-for-the-outcome-of-experimental-disseminated-scedosporiosis
#7
Adela Martin-Vicente, Josep Guarro, Gloria M González, Cornelia Lass-Flörl, Michaela Lackner, Javier Capilla
BACKGROUND: Scedosporiosis is associated with a mortality rate of up to 90% in patients suffering from disseminated infections. Recommended first-line treatment is voriconazole, but epidemiological cut-off values and clinical breakpoints have not been determined. OBJECTIVES: To correlate voriconazole treatment response in mice suffering from disseminated scedosporiosis with MIC values determined using CLSI broth microdilution, Etest (bioMérieux) and disc diffusion...
December 28, 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28030920/sandpits-as-a-reservoir-of-potentially-pathogenic-fungi-for-children
#8
Anna Wójcik, Joanna Błaszkowska, Piotr Kurnatowski, Katarzyna Góralska
INTRODUCTION AND OBJECTIVE: Fungi belonging to various physiological and morphological groups present in the environment are potential human pathogens. Some of them are considered as emerging pathogens. Therefore, their presence in children's playgrounds should be regarded as health risk factor. MATERIALS AND METHOD: Sixty-eight samples of sand collected from 17 sandpits of different localities in Łódź, Poland, in autumn 2010 and 2011, and in spring 2011 and 2012 were evaluated...
23, 2016: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28018093/clinico-radiological-improvement-in-an-immunocompetent-patient-presented-with-scedosporium-apiospermum-osteomyelitis
#9
Rahul Mohan, T S Gopakumar
Scedosporium apiospermum is frequently found as a saprophyte in soil, sewage and contaminated water. Its manifestations in immunocompetent patients are usually localised and in immunodeficient patients, it causes invasive systemic diseases. We are reporting the case of a 40-year-old male, who presented with pain, oedema and multiple discharging sinuses over the lateral aspect of the left foot with history of thorn prick. On examination, there were multiple active sinuses with tenderness and local rise in temperature...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27998732/pathogenesis-of-microbial-keratitis
#10
REVIEW
Sahreena Lakhundi, Ruqaiyyah Siddiqui, Naveed Ahmed Khan
Microbial keratitis is a sight-threatening ocular infection caused by bacteria, fungi, and protist pathogens. Epithelial defects and injuries are key predisposing factors making the eye susceptible to corneal pathogens. Among bacterial pathogens, the most common agents responsible for keratitis include Staphylococcus aureus, Pseudomonas aeruginosa, Streptococcus pneumonia and Serratia species. Fungal agents of corneal infections include both filamentous as well as yeast, including Fusarium, Aspergillus, Phaeohyphomycetes, Curvularia, Paecilomyces, Scedosporium and Candida species, while in protists, Acanthamoeba spp...
December 17, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27990307/endogenous-fusarium-endophthalmitis-in-diabetes-mellitus
#11
S Balamurugan, Ashish Khodifad
Endogenous endophthalmitis accounts for 2% to 8% of cases of endophthalmitis. Immunocompromised state and intravenous drug use are the 2 most common causes of endogenous endophthalmitis due to molds fungi. Aspergillus, Fusarium, and Scedosporium are the common organisms in mold endophthalmitis. We report a case of Fusarium endophthalmitis in a patient with uncontrolled diabetes. While diabetes mellitus is a well-known risk factor for endogenous endophthalmitis, we did not find any reported case of Fusarium endophthalmitis in a case of diabetes mellitus...
2016: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/27915305/dna-barcoding-coupled-with-high-resolution-melting-analysis-enables-rapid-and-accurate-distinction-of-aspergillus-species
#12
Gabor Fidler, Sandor Kocsube, Eva Leiter, Sandor Biro, Melinda Paholcsek
We describe a high-resolution melting (HRM) analysis method that is rapid, reproducible, and able to identify reference strains and further 40 clinical isolates of Aspergillus fumigatus (14), A. lentulus (3), A. terreus (7), A. flavus (8), A. niger (2), A. welwitschiae (4), and A. tubingensis (2). Asp1 and Asp2 primer sets were designed to amplify partial sequences of the Aspergillus benA (beta-tubulin) genes in a closed-, single-tube system. Human placenta DNA, further Aspergillus (3), Candida (9), Fusarium (6), and Scedosporium (2) nucleic acids from type strains and clinical isolates were also included in this study to evaluate cross reactivity with other relevant pathogens causing invasive fungal infections...
December 3, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27794456/infections-of-the-central-nervous-system-after-unrelated-donor-umbilical-cord-blood-transplantation-or-human-leukocyte-antigen-matched-sibling-transplantation
#13
Aitana Balaguer Rosello, Luis Bataller, Ignacio Lorenzo, Isidro Jarque, Miguel Salavert, Eva González, José Luis Piñana, Teresa Sevilla, Pau Montesinos, Gloria Iacoboni, Nuria Muelas, Samuel Romero, Carlos Carretero, Juan Montoro, Maria Jose Ibáñez-Juliá, Guillermo Sanz, Miguel Ángel Sanz, Jaime Sanz
We analyzed the incidence, clinical characteristics, prognostic factors, and outcome of central nervous system (CNS) infections in consecutive patients with receiving umbilical cord blood transplantation (UCBT) (n = 343) or HLA-matched sibling donor stem cell transplantation (MST) (n = 366). Thirty-four CNS infections were documented at a median time of 116 days after transplantation (range, 7 to 1161). The cumulative incidence (CI) risk of developing a CNS infection was .6% at day +30, 2.3% at day +90, and 4...
January 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27768645/non-exenteration-management-of-sino-orbital-fungal-disease
#14
Dnyaneshwar D Athavale, Robin Jones, Brett A O'Donnell, Martin Forer, Nigel Biggs
PURPOSE: To describe the non-exenteration management of sino-orbital fungal infection, a life-threatening condition for which orbital exenteration is generally considered a first-line treatment. METHODS: A retrospective case series is presented of 7 orbits in 6 consecutive patients admitted and treated at 2 major metropolitan tertiary teaching hospitals in Sydney, New South Wales, Australia. RESULTS: Seven orbits in 6 consecutive patients with sino-orbital fungal infection were treated conservatively with surgical debridement and intravenous antifungal agents...
October 20, 2016: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27753775/scedosporium-prolificans-otitis-externa
#15
Sophie C H Wen, Damien Phillips, Amanda Gwee
No abstract text is available yet for this article.
November 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27713026/agents-that-activate-the-high-osmolarity-glycerol-pathway-as-a-means-to-combat-pathogenic-molds
#16
Annegret Wiedemann, Anja Spadinger, Axel Löwe, Allison Seeger, Frank Ebel
Treatment of invasive fungal infections often fails due to the limited number of therapeutic options. In this study, we have analyzed the impact of agents activating the High Osmolarity Glycerol (HOG) pathway on molds that cause infections in humans and livestock. We found that agents like fludioxonil and iprodione, have a clear anti-fungal activity against pathogenic Aspergillus, Lichtheimia, Rhizopus and Scedosporium species. Only A. terreus turned out to be resistant to fludioxonil, even though it is sensitive to iprodione and able to adapt to hyperosmotic conditions...
December 2016: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/27702795/prevention-of-polymicrobial-biofilms-composed-of-pseudomonas-aeruginosa-and-pathogenic-fungi-by-essential-oils-from-selected-citrus-species
#17
Marina Pekmezovic, Ivana Aleksic, Aleksandra Barac, Valentina Arsic-Arsenijevic, Branka Vasiljevic, Jasmina Nikodinovic-Runic, Lidija Senerovic
Mixed microbial infections caused by Pseudomonas aeruginosa and pathogenic fungi are commonly found in patients with chronic infections and constitute a significant health care burden. The aim of this study was to address the potential polymicrobial antibiofilm activity of pompia and grapefruit essential oils (EOs). The mechanism of antimicrobial activity of EOs was analysed. EOs of pompia and grapefruit inhibited fungal growth with MIC concentrations between 50 and 250 mg L(-1), whereas no effect on P. aeruginosa growth was observed...
November 2016: Pathogens and Disease
https://www.readbyqxmd.com/read/27613266/scedosporium-apiospermum-a-rare-cause-of-malignant-otitis-externa
#18
Oliver McLaren, Christian Potter
A 79-year-old man, with a history of well-controlled diabetes mellitus, presented with left-sided otalgia. With an initial diagnosis of simple otitis externa, he was discharged on topical drops. He represented 2 months later with worsening otalgia and discharge. A diagnosis of malignant otitis externa was made based on clinical and radiological findings. Intravenous Tazocin and Gentamicin were given based on previous bacterial culture from ear swabs. The patient failed to improve and developed left-sided facial nerve palsy...
September 9, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27605714/discrimination-of-aspergillosis-mucormycosis-fusariosis-and-scedosporiosis-in-formalin-fixed-paraffin-embedded-tissue-specimens-by-use-of-multiple-real-time-quantitative-pcr-assays
#19
Elham Salehi, Mohammad T Hedayati, Jan Zoll, Haleh Rafati, Maryam Ghasemi, Atosa Doroudinia, Mahdi Abastabar, Ali Tolooe, Eveline Snelders, Henrich A van der Lee, Antonius J M M Rijs, Paul E Verweij, Seyedmojtaba Seyedmousavi, Willem J G Melchers
In a retrospective multicenter study, 102 formalin-fixed paraffin-embedded (FFPE) tissue specimens with histopathology results were tested. Two 4- to 5-μm FFPE tissue sections from each specimen were digested with proteinase K, followed by automated nucleic acid extraction. Multiple real-time quantitative PCR (qPCR) assays targeting the internal transcribed spacer 2 (ITS2) region of ribosomal DNA, using fluorescently labeled primers, was performed to identify clinically important genera and species of Aspergillus, Fusarium, Scedosporium, and the Mucormycetes The molecular identification was correlated with results from histological examination...
November 2016: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27595059/invasive-scedosporium-sternal-osteomyelitis-following-lung-transplant-cured
#20
E J Denton, O Smibert, J Gooi, C O Morrissey, G Snell, D McGiffin, M Paraskeva
Scedosporium is an important pathogen in cystic fibrosis (CF) and post-transplant but rarely causes invasive infection. Treatment remains challenging, particularly due to inherent resistance to multiple antifungal agents. We present a young man with CF who developed invasive sternal and rib infection 10-months following lung transplant. The infection has been clinically and radiologically cured with extensive surgery and triazole therapy. This case highlights the importance of adjunctive surgery in addition to prolonged triazole treatment to manage invasive Scedosporium infections in immunosuppressed patients...
June 2016: Medical Mycology Case Reports
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