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https://www.readbyqxmd.com/read/27932434/rapidly-progressing-dual-infection-with-aspergillus-and-rhizopus-when-soil-inhabitants-become-deadly-invaders
#1
Milind Bhagat, Alwyn Rapose
We present a case report of a 61-year-old patient with acute pulmonary and cerebral infections with Aspergillus and Rhizopus. The only risk factor for invasive fungal disease was high-dose corticosteroids used to treat her chronic obstructive pulmonary disease exacerbation. She had rapid progression and succumbed to her infections within 2 weeks of diagnosis in spite of aggressive antifungal therapy and surgery. To the best of our knowledge, this is the first reported case of rapidly fatal dual infection with Aspergillus and Rhizopus Our case highlights the role of high-dose corticosteroids as a risk factor for invasive fungal disease in patients without traditional risk factors like haematological malignancies, solid organ transplantation or uncontrolled diabetes...
December 8, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27909274/-three-mitral-valve-operations-in-a-patient-with-trousseau-syndrome-and-nonbacterial-thrombotic-endocarditis-caused-by-ovarian-cancer
#2
Masahito Saito, Naoki Asano, Kazunori Ota, Kazuho Niimi, Koyu Tanaka, Shigeyoshi Gon, Hiroshi Takano
A 52-year-old woman was admitted to our hospital for acute right hemi-paresis, left homonymous hemianopia, and fever. Magnetic resonance imaging of the brain showed multiple cerebral infarctions and transesophageal echocardiography (TEE) revealed a vegetation on the posterior leaflet of her mitral valve. Mitral valve repair was performed under a diagnosis of infective endocarditis (IE). Further multiple cerebral infarctions occurred on the 11th postoperative day, resulting in left hemiplegia and dysarthria...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27900022/conversion-of-aspergilloma-to-chronic-necrotizing-pulmonary-aspergillosis-following-treatment-with-sunitinib-a-case-report
#3
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/27889253/blood-and-tissue-distribution-of-posaconazole-in-a-rat-model-of-invasive-pulmonary-aspergillosis
#4
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/27887809/an-estimation-of-burden-of-serious-fungal-infections-in-france
#5
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/27882253/candida-glabrata-pneumonia-in-a-patient-with-chronic-obstructive-pulmonary-disease
#6
Onur Yazici, Mustafa Cortuk, Hasan Casim, Erdogan Cetinkaya, Ali Mert, Ali Ramazan Benli
Pneumonia remains an important cause of morbidity and mortality among infectious diseases. Streptococcus pneumoniae and viruses are the most common cause of pneumonia. Candidiasis in such patients has been associated with haemodialysis, fungal colonization, exposure to broad-spectrum antibiotics, intensive care unit (ICU) hospitalization, and immunocompromised patients. The most common cause of infection is C. albicans. The case presented here is of a 66-year-old male patient diagnosed with C. glabrata. The patient suffered from chronic obstructive pulmonary disease...
2016: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/27842866/reviewing-the-importance-and-evolution-of-fungal-infections-and-potential-antifungal-resistance-in-haematological-patients
#7
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/27833589/systemic-approach-to-virulence-gene-network-analysis-for-gaining-new-insight-into-cryptococcal-virulence
#8
Antoni N Malachowski, Mohamed Yosri, Goun Park, Yong-Sun Bahn, Yongqun He, Michal A Olszewski
Cryptococcus neoformans is pathogenic yeast, responsible for highly lethal infections in compromised patients around the globe. C. neoformans typically initiates infections in mammalian lung tissue and subsequently disseminates to the central nervous system where it causes significant pathologies. Virulence genes of C. neoformans are being characterized at an increasing rate, however, we are far from a comprehensive understanding of their roles and genetic interactions. Some of these reported virulence genes are scattered throughout different databases, while others are not yet included...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27832748/invasive-mucormycosis-in-children-an-epidemiologic-study-in-european-and-non-european-countries-based-on-two-registries
#9
Zoi Dorothea Pana, Danila Seidel, Anna Skiada, Andreas H Groll, Georgios Petrikkos, Oliver A Cornely, Emmanuel Roilides
BACKGROUND: Mucormycosis has emerged as a rare but frequently fatal invasive fungal disease. Current knowledge on paediatric mucormycosis is based on case reports and small series reported over several decades. Contemporary data on a large cohort of patients is lacking. METHODS: Two large international registries (Zygomyco.net and FungiScope™) were searched for mucormycosis cases in ≤19 year-old patients. Cases enrolled between 2005 and 2014 were extracted, and dual entries in the two databases merged...
November 10, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27826143/application-of-a-low-molecular-weight-antifungal-protein-from-penicillium-chrysogenum-paf-to-treat-pulmonary-aspergillosis-in-mice
#10
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/27805533/lung-biopsy-findings-of-patients-who-have-undergone-a-liver-and-kidney-transplant
#11
Gonca Özgün, Merih Tepeoğlu, Binnaz Handan Özdemir, Eda Yılmaz Akçay, Ebru Şebnem Ayva, Emine Ebru Deniz, Mehmet Haberal
OBJECTIVES: Our objective was to analyze the incidence of pulmonary disorders in solid-organ transplant recipients and report on outcomes in these patients. MATERIALS AND METHODS: Seventy liver and kidney transplant patients, who underwent lung biopsy because of pulmonary symptoms between January 2000 and December 2015, were enrolled in the study. We examined and evaluated histopathologic findings of these patients based on clinical data recorded in patients' files...
November 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27799353/posaconazole-loaded-leukocytes-as-a-novel-treatment-strategy-targeting-invasive-pulmonary-aspergillosis
#12
Shane R Baistrocchi, Mark J Lee, Melanie Lehoux, Benjamin Ralph, Brendan D Snarr, Robert Robitaille, Donald C Sheppard
BACKGROUND:  Impaired delivery of antifungals to hyphae within necrotic lesions is thought to contribute to therapeutic failure in invasive pulmonary aspergillosis (IPA). We hypothesized that transfusion of leukocytes loaded ex-vivo with the lipophilic antifungal posaconazole could improve delivery of antifungals to the sites of established infection and improve outcome in experimental IPA. METHODS:  The HL-60 leukemia cell line was differentiated to a neutrophil-like phenotype (dHL-60 cells) then exposed to a range of posaconazole concentrations...
October 31, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27798213/monotherapy-or-combination-therapy-of-isavuconazole-and-micafungin-for-treating-murine-mucormycosis
#13
Teclegiorgis Gebremariam, Nathan P Wiederhold, Abdullah Alqarihi, Priya Uppuluri, Nkechi Azie, John E Edwards, Ashraf S Ibrahim
OBJECTIVES: Previously we demonstrated the benefit of isavuconazole in treating murine mucormycosis due to Rhizopus. We wanted to determine the efficacy of isavuconazole in treating murine mucormycosis caused by Mucor, the second most common cause of the disease. Furthermore, because we previously determined that Rhizopus possesses the target enzyme for echinocandins and micafungin has activity against murine mucormycosis, we compared the activity of combination therapy (isavuconazole + micafungin) with placebo, either drug alone or standard therapy of liposomal amphotericin B (LAmB) in treating pulmonary murine mucormycosis caused by Rhizopus delemar...
October 24, 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27794529/bronchiectasis-and-aspergillus-how-are-they-linked
#14
Anthony De Soyza, Stefano Aliberti
Bronchiectasis is a chronic airway infection syndrome, distinct from cystic fibrosis that is rising in prevalence and is associated with significant morbidity and mortality. It can be caused by many etiologies including post-infectious effects or be seen in common lung diseases such as chronic obstructive pulmonary disease (COPD) or severe asthma. Bronchiectasis is associated with many Aspergillus-associated syndromes: allergic bronchopulmonary aspergillosis (ABPA) may complicate asthma, thus leading to bronchiectasis as part of the diagnostic criteria of ABPA or can complicate preexisting bronchiectasis due to another etiology...
October 28, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27784492/-reversed-halo-sign-chest-ct-findings-in-5-patients-and-cause-analysis
#15
M Lu, Y H Chen, X Han, W Yang, J Zhang, X Zhu, H Zhu, B He, B Z Sun, W Z Yao
Objective: To describe diseases that may present with the reversed halo sign (RHS) on high-resolution CT, and therefore to improve the recognition of this thoracic radiological feature. Methods: We retrospectively reviewed the HRCT scans and medical records of 5 patients who presented with RHS on chest CT from Peking University Third Hospital. With "reversed halo sign, fairy ring, atoll sign" as the Chinese and English keywords, 420 cases from the literatures were also reviewed through PubMed, Wanfang and CNKI databases until August 2015...
October 12, 2016: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/27769644/cryptococcosis-mimicking-lung-carcinoma-with-brain-metastases-in-an-immunocompetent-patient
#16
Samantha Y L Ang, Victor W L Ng, Shree Dinesh Kumar, Sharon Y Y Low
Cryptococcosis is a fungal infection caused by Cryptococcus spp. that enters the body via inhalation. This ubiquitous yeast has gained notoriety as an opportunistic pathogen in the immunosuppressed population. The authors report a case of a previously-well adult male presented with left-sided weakness. Imaging demonstrated a pulmonary mass and 2 contrast-enhancing intracranial lesions-all features suggestive of a primary lung carcinoma with brain metastases. However, further investigations confirmed disseminated cryptococcosis, without evidence of malignancy...
October 18, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27766541/early-identification-of-lung-fungal-infections-in-chronic-granulomatous-disease-cgd-using-multidetector-computer-tomography
#17
Maria Pia Bondioni, Vassilios Lougaris, Giuseppe Di Gaetano, Tiziana Lorenzini, Annarosa Soresina, Francesco Laffranchi, Diego Gatta, Alessandro Plebani
PURPOSE: The purpose of this study is to evaluate the possibility of early detection of pulmonary fungal infections by lung CT scan in chronic granulomatous disease (CGD). METHODS: A retrospective study on 14 patients affected with CGD for a total of 18 infectious episodes was performed. Revision of clinical data and CT scan analysis before and after treatment was performed. RESULTS: The presence of lung nodules <30 mm was evaluated in 18 infectious episodes in 14 patients...
October 21, 2016: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/27765172/a-series-of-transbronchial-removal-of-intracavitary-pulmonary-aspergilloma
#18
David R Stather, Alain Tremblay, Elaine Dumoulin, Paul MacEachern, Alex Chee, Christopher Hergott, Jacob Gelberg, Gary A Gelfand, Paul Burrowes, John H MacGregor, Christopher H Mody
BACKGROUND: Intracavitary pulmonary aspergilloma is a chronic, debilitating fungal infection. Without definitive therapy, death can occur from massive hemoptysis, cachexia, or secondary infection. Although surgical resection is the standard therapy, it is not possible for many patients owing to poor pulmonary function or medical comorbidities. Aspergilloma removal through bronchoscopy is an important alternative therapy that may be available in select cases. METHODS: We retrospectively reviewed all cases referred to the University of Calgary Interventional Pulmonary Service for transbronchial removal of intracavitary aspergilloma from January 1, 2009, to January 1, 2014...
October 17, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27749571/fatal-systemic-adenoviral-infection-superimposed-on-pulmonary-mucormycosis-in-a-child-with-acute-leukemia-a-case-report
#19
Yu Mi Seo, Seok Hwang-Bo, Seong Koo Kim, Seung Beom Han, Nack-Gyun Chung, Jin Han Kang
BACKGROUND: Although adenovirus (ADV) infection usually causes self-limiting respiratory disorders in immune competent children; severe and systemic ADV infection in children undergoing chemotherapy for leukemia has been continuously reported. Nevertheless, there has been no consensus on risk factors and treatment strategies for severe ADV infection in children undergoing chemotherapy. CASE SUMMARY: We report a case of a 15-year-old boy with a fatal systemic ADV infection...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27744308/ast-to-alt-ratio-is-elevated-in-disseminated-histoplasmosis-as-compared-to-localized-pulmonary-disease-and-other-endemic-mycoses
#20
Andrej Spec, Christopher R Barrios, Usama Ahmad, Laurie A Proia
Severe pulmonary or disseminated histoplasmosis often necessitates presumptive antifungal treatment while awaiting definitive diagnosis. Histoplasma antigen assays have improved sensitivity but results may lag up to 7 days. In order to increase diagnostic certainty, "soft clues" may be looked for in laboratory and radiologic data, such as elevated alkaline phosphatase or ferritin levels and findings of mediastinal adenopathy or hepatosplenomegaly. To determine if elevated aspartate aminotransferase (AST) to alanine aminotransferase (ALT) ratio is specific to histoplasmosis or a non-specific marker for disseminated fungal infection or sepsis in general, we retrospectively examined records of all patients diagnosed with an endemic fungal infection (EFI) at Rush University Medical Center from January of 1997 to October of 2012, and a cohort of septic patients with elevated liver enzymes...
October 14, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
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