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Pulmonary aspergillosis

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https://www.readbyqxmd.com/read/28330887/usefulness-of-two-aspergillus-pcr-assays-and-aspergillus-galactomannan-and-%C3%AE-d-glucan-testing-of-bronchoalveolar-lavage-fluid-for-diagnosis-of-chronic-pulmonary-aspergillosis
#1
Naohisa Urabe, Susumu Sakamoto, Go Sano, Junko Suzuki, Akira Hebisawa, Yasuhiko Nakamura, Kazuya Koyama, Yoshikazu Ishii, Kazuhiro Tateda, Sakae Homma
We evaluated the usefulness of an Aspergillus galactomannan (GM) test, a β-D-glucan (βDG) test, and two different Aspergillus polymerase chain reaction (PCR) assays of bronchoalveolar lavage fluid (BALF) samples for diagnosis of chronic pulmonary aspergillosis (CPA). BALF samples from 28 patients with and 120 patients without CPA were collected. We calculated the sensitivity, specificity, positive predictive value, negative predictive value, positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratio for each test individually and in combination with other tests...
March 22, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28317305/invasive-pulmonary-aspergillosis-due-to-azole-resistant-aspergillus-lentulus
#2
Nobuyuki Tetsuka, Takashi Yaguchi, Hiroyuki Machida, Shuichi Ito, Isao Miyairi
No abstract text is available yet for this article.
March 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28299723/mold-and-human-health-a-reality-check
#3
REVIEW
Andrea T Borchers, Christopher Chang, M Eric Gershwin
There are possibly millions of mold species on earth. The vast majority of these mold spores live in harmony with humans, rarely causing disease. The rare species that does cause disease does so by triggering allergies or asthma, or may be involved in hypersensitivity diseases such as allergic bronchopulmonary aspergillosis or allergic fungal sinusitis. Other hypersensitivity diseases include those related to occupational or domiciliary exposures to certain mold species, as in the case of Pigeon Breeder's disease, Farmer's lung, or humidifier fever...
March 16, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28293759/serious-fungal-diseases-in-the-republic-of-uzbekistan
#4
S A Tilavberdiev, D W Denning, N N Klimko
We have undertaken the first and preliminary estimation of severe and chronic mycotic diseases in the Republic of Uzbekistan, using a model proposed by LIFE (Leading International Fungal Education). Calculation was carried out based on data from 2014. Published results describing mycoses in Uzbekistan were identified. In the absence of published or official data, information about the frequency of mycoses from scientific literature elsewhere in groups at risk of development of fungal infections were taken into account...
March 14, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28292284/is-bulpa-criteria-suitable-for-the-diagnosis-of-probable-invasive-pulmonary-aspergillosis-in-critically-ill-patients-with-chronic-obstructive-pulmonary-disease-a-comparative-study-with-eortc-msg-and-icu-criteria
#5
Linna Huang, Hangyong He, Jingjing Jin, Qingyuan Zhan
BACKGROUND: Three diagnostic criteria have been proposed used for invasive pulmonary aspergillosis (IPA) diagnosis, namely EORTC/ MSG criteria, Bulpa criteria and intensive care unit (ICU) criteria. The Bulpa criteria were proposed to diagnose IPA in chronic obstructive pulmonary disease (COPD) patients specially. Our aim is to verify that whether the Bulpa criteria are the most suitable for diagnosing probable IPA in critically ill COPD patients compared with the other two criteria. METHODS: We included critically ill COPD patients admitted to the ICU from April 2006 to August 2013...
March 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28284662/effect-of-a-150%C3%A2-mg-dose-of-rifabutin-on-serum-itraconazole-levels-in-patients-with-coexisting-chronic-pulmonary-aspergillosis-and-mycobacterium-avium-complex-lung-disease
#6
Seong Mi Moon, Byung Woo Jhun, Hyun Lee, Hye Yun Park, Kyeongman Jeon, Soo-Youn Lee, Won-Jung Koh
Patients with coexisting chronic pulmonary aspergillosis and nontuberculous mycobacterial lung disease may undergo treatment with both the antifungal itraconazole and the antimycobacterial rifamycin. However, rifamycins interact with itraconazole. We examined the effects of a 150 mg dose of rifabutin on serum itraconazole levels and found significantly lower levels in 28 patients receiving itraconazole with rifabutin (median, 0.65 μg/ml) compared with 65 patients receiving itraconazole alone (median 3.45 μg/ml, P < 0...
March 8, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28275535/invasive-pulmonary-aspergillosis-in-a-steroid-dependent-asthmatic
#7
Bibi Aneesah Jaumally, Ahmed M Salem, Ala Eddin Sagar, George Pyrgos
No abstract text is available yet for this article.
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28275471/immunity-status-of-invasive-pulmonary-aspergillosis-patients-with-structural-lung-diseases-in-chinese-adults
#8
Shuo Liang, Rong Jiang, Hai-Wen Lu, Bei Mao, Man-Hui Li, Cheng-Wei Li, Shu-Yi Gu, Jiu-Wu Bai, Jin-Fu Xu
BACKGROUND: Invasive pulmonary aspergillosis (IPA) is a fungal infection frequently observed in patients with immune dysfunction, such as those suffering from structural lung diseases. Nevertheless, studies assessing IPA combined with other common respiratory diseases remain scarce, particularly those regarding the immune status of its patients. Different structural lung diseases are known to differently affect patient immune status; however, the mechanisms by which this is conferred have yet to be determined...
February 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28260471/culture-positive-pulmonary-aspergillosis-infection-clinical-and-laboratory-features-of-solid-organ-transplant-recipients
#9
Balam Er Dedekarginoglu, Serife Savas Bozbas, Gaye Ulubay, Fusun Oner Eyuboglu, Mehmet Haberal
OBJECTIVES: Aspergillosis is a common fungal infection among solid-organ transplant recipients. Even after awareness of this infection occurs, there are still gaps in nonculture diagnostic tests, which can delay treatment initiation. Here, we aimed to define the common traits of pulmonary aspergillosis infection among solid-organ transplant recipients, thus shedding light on prevention and early diagnosis. MATERIALS AND METHODS: We conducted a database search of patients at Baskent University who had a positive aspergillosis culture between January 2010 and March 2016...
February 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28243758/burden-of-serious-fungal-infections-in-guatemala
#10
N Medina, B Samayoa, D Lau-Bonilla, D W Denning, R Herrera, D Mercado, B Guzmán, J C Pérez, E Arathoon
Guatemala is a developing country in Central America with a high burden of HIV and endemic fungal infections; we attempted to estimate the burden of serious fungal infections for the country. A full literature search was done to identify epidemiology papers reporting fungal infections from Guatemala. We used specific populations at risk and fungal infection frequencies in the population to estimate national rates. The population of Guatemala in 2013 was 15.4 million; 40% were younger than 15 and 6.2% older than 60...
February 27, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28243080/mir-344b-1-3p-targets-tlr2-and-negatively-regulates-tlr2-signaling-pathway
#11
Hong Xu, Yuting Wu, Li Li, Weifeng Yuan, Deming Zhang, Qitao Yan, Zhenhui Guo, Wenjie Huang
OBJECTIVES: COPD is an abnormal inflammatory response characterized by decreased expression of TLR2 in patients, which is suggested to induce invasive pulmonary aspergillosis (IPA). MicroRNAs (miRNAs) have been shown to play important roles in the pathogenesis of human respiratory system disorders. Therefore, the aim of this study was to identify the miRNAs involved in the regulation of TLR2 signaling in COPD. MATERIALS AND METHODS: miRNA microarray analysis was performed to screen for the dysregulated miRNAs in alveolar macrophages (AMs) isolated from COPD rats...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28237779/failure-of-extracorporeal-membrane-oxygenation-to-rescue-acute-respiratory-distress-syndrome-caused-by-dual-infection-of-influenza-a-h1n1-and-invasive-pulmonary-aspergillosis
#12
Po-An Su, Wen-Liang Yu
No abstract text is available yet for this article.
February 22, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28231567/innate-lung-defense-during-invasive-aspergillosis-new-mechanisms
#13
Jaleesa M Garth, Chad Steele
Invasive aspergillosis (IA) is one of the most difficult to treat and, consequently, one of the most lethal fungal infections known to man. Continued use of immunosuppressive agents during chemotherapy and organ transplantation often leads to the development of neutropenia, the primary risk factor for IA. However, IA is also becoming more appreciated in chronic diseases associated with corticosteroid therapy. The innate immune response to Aspergillus fumigatus, the primary agent in IA, plays a pivotal role in the recognition and elimination of organisms from the pulmonary system...
February 24, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/28229616/invasive-pulmonary-aspergillosis-in-an-immunocompromised-patient-with-severe-ulcerative-colitis
#14
David Marti Aguado, María Pilar Ballester, Marta Maia Bosca Watts
Inflammatory Bowel Disease patients at risk of opportunistic infections are those treated with immunomodulators. Toruner and colleagues found that corticosteroid use was more commonly associated with fungal infections. We present a case of invasive pulmonary Aspergillosis due to corticosteroid therapy in the context of a severe Ulcerative Colitis flare. We want to highlight the relationship between Aspergillus fumigatus and horses; and the use of leucocitapheresis combined with mesalazine as an effective treatment option in this patients who can not take more immunosuppressive therapy...
February 23, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28223452/heterogeneity-confounds-establishment-of-a-model-microbial-strain
#15
Nancy P Keller
Aspergillus fumigatus is a ubiquitous environmental mold and the leading cause of diverse human diseases ranging from allergenic bronchopulmonary aspergillosis (ABPA) to invasive pulmonary aspergillosis (IPA). Experimental investigations of the biology and virulence of this opportunistic pathogen have historically used a few type strains; however, it is increasingly observed with this fungus that heterogeneity among isolates potentially confounds the use of these reference isolates. Illustrating this point, Kowalski et al...
February 21, 2017: MBio
https://www.readbyqxmd.com/read/28220322/serious-fungal-infections-in-the-philippines
#16
M C R Batac, D Denning
The Philippines is a low middle-income, tropical country in Southeast Asia. Infectious diseases remain the main causes of morbidity, including tuberculosis. AIDS/HIV prevalence is still low at <1%, but is rapidly increasing. Fungal disease surveillance has not been done, and its burden has never been estimated. This becomes more important as the population of immunocompromised patients increases, drawn from patients with AIDS, TB, malignancies, and autoimmune diseases requiring chronic steroid use. Using the methodology of the LIFE program ( www...
February 21, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28218019/nucleic-acid-amplification-methodologies-for-the-detection-of-pulmonary-mold-infections
#17
Matthew William McCarthy, Ruta Petraitiene, Thomas J Walsh
The detection of pulmonary mold infections has historically required technically demanding methods obtained through invasive procedures. Nucleic acid amplification assays have the potential to circumvent the technical hurdles associated with diagnosis, but are not without potential pitfalls. Areas covered: In this paper, the authors review new assays for the diagnosis of pulmonary mold infections due to aspergillosis, mucormycosis, and hyalohyphomycoses as well as uncommon infections caused by dematiaceous molds...
March 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28213689/serious-fungal-infections-in-egypt
#18
S M Zaki, D W Denning
We aimed to estimate the burden of serious fungal infections in Egypt, currently unknown, based on the size of the populations at risk and available epidemiological data. Data were obtained from the World Health Organization (WHO), the Joint United Nations Programme on HIV/AIDS (UNAIDS), and published reports with clearcut denominators. When no data existed, risk populations were used to estimate frequencies of fungal infections, using previously described methodology. The population of Egypt in 2011 was ∼82,500,000; 31% children, and 8% women >60 years of age...
February 17, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28194062/performance-of-galactomannan-antigen-beta-d-glucan-and-aspergillus-lateral-flow-device-for-the-diagnosis-of-invasive-aspergillosis
#19
Gökhan Metan, Muzaffer Keklik, Gökçen Dinç, Çiğdem Pala, Afra Yıldırım, Berkay Saraymen, Mustafa Yavuz Köker, Leylagül Kaynar, Bülent Eser, Mustafa Çetin
Aspergillus lateral-flow device (LFD) was recently introduced as a practical tool for the diagnosis of invasive aspergillosis (IA). We investigated the performance of Aspergillus-LFD as a point-of-care test for the diagnosis of IA. Serum samples were collected twice weekly from patients who received intensive chemotherapy for acute leukemia, or recepients of allogeneic stem cell transplantation. Aspergillus galactomannan (GM) antigen, 1,3-beta-d-glucan and Aspergillus-LFD tests were carried out according to manufacturers' recommendations...
March 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28188493/serious-fungal-infections-in-chile
#20
E Alvarez Duarte, D W Denning
The incidence and prevalence of fungal infections in Chile are unknown. Here, we have estimated the burden of serious fungal diseases from data obtained from clinical reports, WHO reports, Chilean census, OECD reports and comprehensive literature search available on PubMed and SciELO, among other scientific resources. Due the lack of official data about fungal diseases, frequencies were calculated based on the specific populations at risk. Recurrent vulvovaginal candidiasis (>4 episodes/year) is estimated to occur in 3108/100,000...
February 10, 2017: European Journal of Clinical Microbiology & Infectious Diseases
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