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Invasive aspergillosis

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https://www.readbyqxmd.com/read/27904061/diagnosis-and-treatment-of-mucormycosis-in-patients-with-hematological-malignancies
#1
Yuki Asano-Mori
The risk of invasive fungal infections (IFIs) is extremely high in patients with hematological malignancies due to the prolonged and profound neutropenia and immunosuppression after chemotherapy and hematopoietic stem cell transplantation. There has been increasing interest in mucormycosis despite its relatively uncommon occurrence, because occasional breakthrough infections have been observed under anti-aspergillus prophylaxis. The aggressive nature of mucormycosis easily leads to high mortality because of delays in diagnosis and incorrect treatment decisions, which are due in part to lack of adjunctive diagnostic tools and having similar clinical and radiological features with aspergillosis...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27900022/conversion-of-aspergilloma-to-chronic-necrotizing-pulmonary-aspergillosis-following-treatment-with-sunitinib-a-case-report
#2
Yeon Wook Kim, Hyun Woo Lee, Jaeyoung Cho, Han-Sol Choi, Jungsil Lee, Sung Soo Park, Eun Young Heo, Kwang Nam Jin, Deog Kyeom Kim
Semi-invasive or invasive aspergillosis occurring following chemotherapy with sunitinib is a rare condition with unknown incidence and prognosis. Here, we report a case involving a 59-year-old male who had a history of underlying stable aspergilloma and was newly diagnosed with metastatic renal cell carcinoma. Following surgical resection for renal cell carcinoma and adjuvant chemotherapy with sunitinib for 8 months, the patient presented with hemoptysis. Chest computed tomography revealed an increased soft tissue mass and air crescent sign of the underlying aspergilloma, combined with consolidation and bronchial artery hypertrophy around the lesion...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27890955/aspergillus-meningoencephalitis-in-a-patient-with-human-immunodeficiency-virus-infection-normal-cerebrospinal-fluid-does-not-mean-absence-of-meningitis
#3
Soaham Dilip Desai, Sanket Seth, Aniketh Shah, Bhalendu Vaishnav
A male with human immunodeficiency virus infection presented with febrile encephalopathy followed by seizures and left hemiparesis. Initial imaging with contrast computerized tomography (CT) scan brain and cerebrospinal fluid (CSF) examination were normal. Subsequent magnetic resonance imaging brain revealed bilateral parieto-occipital infarcts with bleed. He did not improve on treatment with broad-spectrum antibiotics, anti-tubercular drugs, and antifungals. He finally succumbed to the disease. His CSF culture grew Aspergillus after 2 weeks...
July 2016: Indian Journal of Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27889954/invasive-pulmonary-aspergillosis-in-a-patient-with-metastatic-non-small-cell-lung-cancer-after-treatment-with-gefitinib
#4
Sejeong Park, Soyoung Park, Hana Choi, Ji Young Park, Hyo Seok Lim, Myung Jae Park, Si-Young Kim
No abstract text is available yet for this article.
November 25, 2016: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/27889253/blood-and-tissue-distribution-of-posaconazole-in-a-rat-model-of-invasive-pulmonary-aspergillosis
#5
E Cendejas-Bueno, A Forastiero, I Ruiz, E Mellado, J Gavaldà, A Gomez-Lopez
Posaconazole is the recommended prophylactic agent in patients at high risk of invasive fungal infection, since adequate drug levels seem to be reached in target sites despite the relatively low levels detected in blood. The objective of this study is to obtain pharmacokinetic (PK) information associated to blood and tissue distribution of posaconazole in an animal model of invasive pulmonary aspergillosis. The PK parameters in lung samples were systematically higher than in serum. After multiple-dose administration of posaconazole, a significant accumulation of the drug was evident in lung tissue...
October 11, 2016: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/27889247/cutaneous-invasive-aspergillosis-in-a-patient-with-glioblastoma-receiving-long-term-temozolomide-and-corticosteroid-therapy
#6
Takashi Ikeda, Jun Suzuki, Masataro Norizuki, Taro Okabe, Tsubasa Onishi, Teppei Sasahara, Masaki Toshima, Hidenori Yokota, Shuji Hatakeyama, Yuji Morisawa
Glioblastoma is an aggressive brain tumor that requires multidisciplinary treatment including adjuvant radiotherapy, chemotherapy, and adjunct corticosteroids. Temozolomide is a commonly used chemotherapy drug and frequently causes lymphocytopenia. We describe the case of a 67-year-old woman with cutaneous invasive aspergillosis who had received long-term temozolomide and corticosteroid therapy for glioblastoma. She presented with multiple indurations, erythema, and purpura, some of which produced purulent discharge, in the anterior abdomen...
November 23, 2016: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/27887809/an-estimation-of-burden-of-serious-fungal-infections-in-france
#7
J-P Gangneux, M-E Bougnoux, C Hennequin, C Godet, J Chandenier, D W Denning, B Dupont
OBJECTIVE OF THE STUDY: An estimation of burden of serious fungal diseases in France is essential data to inform public health priorities on the importance of resources and research needed on these infections. In France, precise data are available for invasive fungal diseases but estimates for several other diseases such as chronic and immunoallergic diseases are by contrast less known. MATERIALS AND METHODS: A systematic literature search was conducted using the Web of Science Platform...
November 22, 2016: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/27880667/the-current-treatment-landscape-other-fungal-diseases-cryptococcosis-fusariosis-and-mucormycosis
#8
Olivier Lortholary, Mario Fernández-Ruiz, John R Perfect
Compared with major invasive mycoses such as aspergillosis and candidiasis, the antifungal stewardship management strategies of other fungal diseases have different opportunities and considerations. Cryptococcosis, fusariosis and mucormycosis are globally prevalent invasive fungal diseases (IFDs), but are not currently included in antifungal prophylaxis guidelines for immunocompromised hosts. Since the implementation of biomarkers as part of diagnostic screening strategies, the concept of pre-emptive antifungal therapy has emerged for these IFDs...
November 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27880666/the-current-management-landscape-aspergillosis
#9
Johan A Maertens, Ola Blennow, Rafael F Duarte, Patricia Muñoz
Diagnosing invasive aspergillosis (IA) has long been challenging due to the inability to culture the causal Aspergillus agent from blood or other body fluids. This shortcoming has fuelled an interest in non-culture-based diagnostic techniques such as the detection of galactomannan (GM) in blood and bronchoalveolar lavage fluid, the detection of 1,3-β-d-glucan (BDG) in blood and the detection of Aspergillus DNA by PCR-based techniques. Past decades have witnessed important improvements in our understanding of the strengths and limitations of antigen assays and in the standardization of PCR-based DNA techniques...
November 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27872794/in-silico-identification-of-potential-peptides-or-allergen-shot-candidates-against-aspergillus-fumigatus
#10
Raman Thakur, Jata Shankar
Aspergillus fumigatus is capable of causing invasive aspergillosis or acute bronchopulmonary aspergillosis, and the current situation is alarming. There are no vaccine or allergen shots available for Aspergillus-induced allergies. Thus, a novel approach in designing of an effective vaccine or allergen shot candidate against A. fumigatus is needed. Using immunoinformatics approaches from the characterized A. fumigatus allergens, we have mapped epitopic regions to predict potential peptides that elicit both Aspergillus-specific T cells and B cell immune response...
2016: BioResearch Open Access
https://www.readbyqxmd.com/read/27849440/use-of-cidofovir-for-cytomegalovirus-disease-refractory-to-ganciclovir-in-solid-organ-recipients
#11
Hugo Bonatti, Costi D Sifri, Clara Larcher, Stefan Schneeberger, Camille Kotton, Christian Geltner
BACKGROUND: Solid organ transplantation (SOT) frequently is complicated by cytomegalovirus (CMV) infections. Cidofovir (CDV) is active against CMV, including many ganciclovir (GCV)-resistant mutants, but often is considered to be too nephrotoxic for use after organ transplantation. PATIENTS AND METHODS: Seven males and two females (median age 50.1 years), including two kidney/pancreas, four lung, one small bowel, and two hand recipients, received CDV for refractory CMV disease...
November 16, 2016: Surgical Infections
https://www.readbyqxmd.com/read/27849329/a-rare-disease-mimics-postoperative-bile-leakage-invasive-aspergillosis
#12
Fatih Mehmet Yazar, Aykut Urfalıoğlu, Ömer Faruk Boran, Hamide Sayar, Burhan Hakan Kanat, Arif Emre, Emrah Cengiz, Ertan Bülbüloğlu
Aspergillus fungi can cause serious infections, including intra-abdominal infection, particularly in patients with compromised immune system. Described in the present report is case of 46-year-old female patient who had undergone laparoscopic cholecystectomy (LC) at another healthcare facility. In early postoperative period, she had increasing complaints of swelling, nausea, and vomiting. On postoperative 19th day, she was referred to our clinic with diagnosis of acute abdomen. Surgery was performed with suspected possibility of bile leakage...
September 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/27842866/reviewing-the-importance-and-evolution-of-fungal-infections-and-potential-antifungal-resistance-in-haematological-patients
#13
REVIEW
Alessandro Busca, Anna Maria Tortorano, Livio Pagano
There is a growing body of evidence supporting the emergence of azole resistance in Aspergillus and Candida spp. and this may be of particular concern due to the potential implications in the management of invasive fungal infections occurring in immunocompromised hosts. The aim of present review was to describe the magnitude of the problem, summarising the epidemiology and potential impact of yeast and mould antifungal resistance in patients with haematological malignancies. The first cases of triazole-resistant Aspergillus fumigatus isolates were reported in 1997 in patients receiving itraconazole...
December 2015: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/27836224/-infectious-events-during-the-course-of-autoimmune-diseases-treated-with-rituximab-a-retrospective-study-of-93%C3%A2-cases
#14
M Catroux, M Lauda-Maillen, M Pathe, A-C De Boisgrollier de Ruolz, F Cazenave-Roblot, P Roblot, O Souchaud-Debouverie
OBJECTIVE: Describe the occurring infections in patients treated with rituximab for an autoimmune disease. METHODS: Retrospective and monocentric study of 93 adult patients treated with rituximab for autoimmune indications over a nine years period. RESULTS: Thirty-eight patients suffered from a total of 95 infections. Out of them, 18 patients (19 %) had had at least an infectious episode triggering a hospital admission and/or intravenous treatment...
November 8, 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/27830189/characterization-of-aspergillus-fumigatus-isolates-from-air-and-surfaces-of-the-international-space-station
#15
Benjamin P Knox, Adriana Blachowicz, Jonathan M Palmer, Jillian Romsdahl, Anna Huttenlocher, Clay C C Wang, Nancy P Keller, Kasthuri Venkateswaran
One mission of the Microbial Observatory Experiments on the International Space Station (ISS) is to examine the traits and diversity of fungal isolates to gain a better understanding of how fungi may adapt to microgravity environments and how this may affect interactions with humans in a closed habitat. Here, we report an initial characterization of two isolates, ISSFT-021 and IF1SW-F4, of Aspergillus fumigatus collected from the ISS and a comparison to the experimentally established clinical isolates Af293 and CEA10...
September 2016: MSphere
https://www.readbyqxmd.com/read/27826887/diagnosis-of-invasive-pulmonary-aspergillosis
#16
E Swoboda-Kopeć, M Sikora, K Piskorska, M Gołaś, I Netsvyetayeva, D Przybyłowska, E Mierzwińska-Nastalska
Culturing strains from clinical samples is the main method to diagnose invasive pulmonary aspergillosis. Detecting the galactomannan antigen in serum samples is an auxiliary examination. The goal of this study was to determine the frequency with which Aspergillus fumigatus was cultured in clinical samples taken from patients hospitalized in the the Infant Jesus Teaching Hospital in Warsaw, Poland, in the period of 2013-2014. Specimens from the respiratory tract and blood were cultured for mycological and serological assessments...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27826143/application-of-a-low-molecular-weight-antifungal-protein-from-penicillium-chrysogenum-paf-to-treat-pulmonary-aspergillosis-in-mice
#17
Zoltán Palicz, Tamás Gáll, Éva Leiter, Sándor Kollár, Ilona Kovács, Kornél Miszti-Blasius, István Pócsi, László Csernoch, Péter Szentesi
PAF, a small antifungal protein from Penicillium chrysogenum, inhibits the growth of several pathogenic filamentous fungi, including members of the Aspergillus genus. PAF has been proven to have no toxic effects in vivo in mice by intranasal application. To test its efficacy against invasive pulmonary aspergillosis (IPA), experiments were carried out in mice suffering from IPA. Adult mice were immunosuppressed and then infected with Aspergillus fumigatus. After stable infection, the animals were inoculated with PAF intranasally at a concentration of 2...
November 9, 2016: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/27821453/pharmacodynamics-of-voriconazole-against-wild-type-and-azole-resistant-aspergillus-flavus-isolates-in-a-non-neutropenic-murine-model-of-disseminated-aspergillosis
#18
Shivaprakash M Rudramurthy, Seyedmojtaba Seyedmousavi, Manpreet Dhaliwal, Arunaloke Chakrabarti, Jacques F Meis, Johan W Mouton
Invasive aspergillosis (IA) due to Aspergillus flavus is associated with a high mortality. Though voriconazole (VRC) is widely recommended as first-line treatment for IA, emergence of azole resistance in Aspergillus spp. is translating to treatment failure. We evaluated the efficacy of voriconazole in a non-neutropenic murine model of disseminated A. flavus infection using two voriconazole-resistant isolates (one harboring the Y319H substitution in the cyp51C-gene) and two wild-type isolates without mutations...
November 7, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27820955/antifungal-therapies-for-allergic-bronchopulmonary-aspergillosis-in-people-with-cystic-fibrosis
#19
REVIEW
Heather E Elphick, Kevin W Southern
BACKGROUND: Allergic bronchopulmonary aspergillosis (ABPA) is an allergic reaction to colonisation of the lungs with the fungus Aspergillus fumigatus and affects around 10% of people with cystic fibrosis. ABPA is associated with an accelerated decline in lung function. High doses of corticosteroids are the main treatment for ABPA; although the long-term benefits are not clear, their many side effects are well-documented. A group of compounds, the azoles, have activity against Aspergillus fumigatus and have been proposed as an alternative treatment for ABPA...
November 8, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27819031/prognosis-of-invasive-aspergillosis-in-kidney-transplant-recipients-a-case-control-study
#20
Anne-Claire Desbois, Sylvain Poiree, Renaud Snanoudj, Marie-Elisabeth Bougnoux, Rebecca Sberro-Soussan, Fanny Lanternier, Christophe Legendre, Olivier Lortholary, Anne Scemla
BACKGROUND: Invasive aspergillosis (IA) is a major cause of invasive fungal infection in kidney transplant recipients (KTR), and it has a high mortality rate. However, its impact on patients and graft survival has not been well defined in the current era of voriconazole first-line therapy. METHODS: We retrospectively collected all cases of KTR-associated IA occurring at Necker Enfants Malades Hospital, Paris, from 2003 to 2013. These cases were compared with a group of controls (1:3) who were matched by age, year of kidney transplantation, and sex...
August 2016: Transplantation Direct
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