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antifungal hematology

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https://www.readbyqxmd.com/read/29213274/natural-killer-cells-in-antifungal-immunity
#1
REVIEW
Stanislaw Schmidt, Lars Tramsen, Thomas Lehrnbecher
Invasive fungal infections are still an important cause of morbidity and mortality in immunocompromised patients such as patients suffering from hematological malignancies or patients undergoing hematopoietic stem cell transplantion. In addition, other populations such as human immunodeficiency virus-patients are at higher risk for invasive fungal infection. Despite the availability of new antifungal compounds and better supportive care measures, the fatality rate of invasive fungal infection remained unacceptably high...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29203252/occurrence-and-improvement-of-renal-dysfunction-and-serum-potassium-abnormality-during-administration-of-liposomal-amphotericin-b-in-patients-with-hematological-disorders-a-retrospective-analysis
#2
Hiroyuki Yamazaki, Tadakazu Kondo, Kazunai Aoki, Kouhei Yamashita, Akifumi Takaori-Kondo
Liposomal amphotericin B (L-AMB) has the potential to cause two major adverse events, renal dysfunction and serum potassium abnormality; however, appropriate clinical management of these events remains unclear. We retrospectively analyzed data regarding 128 hematology patients who received L-AMB in our institute and examined the association between clinical characteristics and renal dysfunction or serum potassium abnormality. We found that the median weight-normalized dose of L-AMB was 2.69mg/kg and the median administration period was 16days...
November 7, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29189866/-role-of-surgery-in-saprochaete-capitata-s-capitata-sepsis-in-a-patient-with-acute-myeloid-leukemia
#3
Jasna Radich R, Carlos Álvarez Z, Ana Valenzuela R, Felipe Castillo H, Francisco Moraga V, Jorge Castillo A
Saprochaete capitata (S. capitata) fungal sepsis is a severe condition with a clinical presentation that is similar to other yeast originated fungal sepsis. It is observed in patients with hematological malignancies such as acute myeloid leukemia and neutropenia. We report a 23 year old male presenting with cough, fever and malaise. A bone marrow biopsy led to the diagnosis of acute myeloid leukemia. During the first cycle of chemotherapy the patient presented fever: blood cultures were positive for Klebsiella pneumoniae...
August 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/29172032/galactomannan-use-in-clinical-practice-providing-free-testing-is-not-the-answer
#4
Jeniffer S Dos Santos, Djuli M Hermes, Alessandro C Pasqualotto
INTRODUCTION: Invasive aspergillosis (IA) is a condition associated with a high mortality rate due to difficulties in performing an early diagnosis. In recent years, galactomannan (GM) detection has markedly improved the diagnosis of IA, but very little is known on how physicians deal with this test in clinical practice. METHODS: This cross-sectional study aimed to analyze the indications for the use of serum GM in a large Brazilian hospital, between 2015 and 2016...
November 21, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29152230/rare-fungal-infectious-agents-a-lurking-enemy
#5
REVIEW
Anna Skiada, Ioannis Pavleas, Maria Drogari-Apiranthitou
In the expanding population of immunocompromised patients and those treated in intensive care units, rare fungal infectious agents have emerged as important pathogens, causing invasive infections associated with high morbidity and mortality. These infections may present either as de novo or as breakthrough invasive infections in high-risk patients with hematologic malignancies receiving prophylactic or empirical antifungal therapy or in patients with central venous catheters. Diagnosis and treatment are challenging...
2017: F1000Research
https://www.readbyqxmd.com/read/29151329/epidemiology-and-analysis-of-invasive-fungal-infections-in-patients-withhematological-malignancies-a-single-center-real-life-experience
#6
Nur Soyer, Hatice Demet Kiper Ünal, Filiz Vural, Fahri Şahin, Mahmut Töbü, Ayhan Dönmez, Murat Tombuloğlu, Bilgin Arda, Güray Saydam
Background/aim: Invasive fungal infection (IFI) causes morbidity and mortality among patients with hematological malignancies. We evaluated the incidence and treatment characteristics of IFIs between October 2012 and December 2013. Materials and methods: Patients who received chemotherapy or stem cell transplantation were retrospectively evaluated. Fungal infections were classified according to EORTC criteria.Results: Prophylaxis and antifungal therapy were given in 30.5% and 23.6% of 522 chemotherapy courses, respectively...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29140934/response-of-symptomatic-persistent-chronic-disseminated-candidiasis-to-corticosteroid-therapy-in-immunosuppressed-pediatric-patients-case-study-and-review-of-the-literature
#7
Vered Shkalim-Zemer, Itzhak Levi, Salvador Fischer, Hannah Tamary, Joanne Yakobovich, Gali Avrahami, Gil Gilad, Sara Elitzur, Isaac Yaniv, Ronit Elhasid, Michal Manistersky, Itamar Shalit
BACKGROUND: Chronic disseminated candidiasis (CDC) is a severe invasive fungal infection principally observed during neutrophil recovery in patients with acute leukemia treated with intensive chemotherapy. Its pathophysiology remains unclear. We describe the management of six children with symptomatic CDC who did not respond to antifungal therapy. METHODS: The databases of the hematology-oncology departments of two tertiary pediatric medical centers were searched for all patients diagnosed with CDC from 2003 to 2015 who responded to corticosteroids after failing antifungal therapy...
November 14, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29133564/fungal-prophylaxis-with-a-gastro-resistant-posaconazole-tablet-for-patients-with-hematological-malignancies-final-result-of-the-posanantes-study
#8
Pierre Peterlin, Cécile Chauvin, Steven Le Gouill, Morgane Pere, Marie Dalichampt, Thierry Guillaume, Alice Garnier, Maxime Paré, Amandine Le Bourgeois, Philippe Moreau, Patrice Chevallier, Guillaume Deslandes, Thomas Gastinne
Posaconazole is an antifungal drug used in both prophylaxis and treatment of invasive fungal infections. Its oral formulation requires therapeutic drug monitoring. To overcome gastric acidity, a gastro-resistant posaconazole tablet has recently been developed. POSANANTES was a prospective non interventional study that aimed to monitor plasma concentration trough level (Cmin) of posaconazole tablets used prophylactically in patients with hematological malignancies. Fifty patients were included. Group A (n= 31) included patients receiving induction chemotherapy for myeloid malignancies and group B (n=19) included patients treated for graft versus host disease after allogeneic hematopoietic stem cells transplantation...
November 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29112326/real-world-challenges-and-unmet-needs-in-the-diagnosis-and-treatment-of-suspected-invasive-pulmonary-aspergillosis-in-patients-with-hematological-diseases-an-illustrative-case-study
#9
Martin Hoenigl, Juergen Prattes, Peter Neumeister, Albert Wölfler, Robert Krause
Recent years have seen important advances in the diagnosis of invasive pulmonary aspergillosis (IPA), complemented by the introduction of new therapies. Despite this, IPA remains a major cause of infection-related mortality in patients with hematological diseases. There are two main reasons for this. First, diagnosis of IPA remains a challenge, since risk factors and the clinical, radiological and mycological presentations vary not only by fungal disease stage, but also by patient group (e.g. neutropenic versus non-neutropenic patients)...
November 7, 2017: Mycoses
https://www.readbyqxmd.com/read/29106702/hypothalamic-pituitary-adrenal-hpa-axis-suppression-after-treatment-with-glucocorticoid-therapy-for-childhood-acute-lymphoblastic-leukaemia
#10
REVIEW
Niki Rensen, Reinoud Jbj Gemke, Elvira C van Dalen, Joost Rotteveel, Gertjan Jl Kaspers
BACKGROUND: Glucocorticoids play a major role in the treatment of acute lymphoblastic leukaemia (ALL). However, supraphysiological doses can suppress the hypothalamic-pituitary-adrenal (HPA) axis. HPA axis suppression resulting in reduced cortisol response may cause an impaired stress response and an inadequate host defence against infection, which remain a cause of morbidity and death. Suppression commonly occurs in the first days after cessation of glucocorticoid therapy, but the exact duration is unclear...
November 6, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29105850/cost-effectiveness-analysis-of-interventions-for-prevention-of-invasive-aspergillosis-among-leukemia-patients-during-hospital-construction-activities
#11
Juan Felipe Combariza, Luis Fernando Toro, John Jairo Orozco, Marcos Arango
OBJECTIVES: Invasive Aspergillosis (IA) is a serious problem among hematological patients and it is associated with high mortality. This situation can worsen at times of hospital construction, however there are several preventive measures available. This work aims to define the cost-effectiveness of some of these interventions. PATIENTS AND METHODS: A decision tree model was used, it was divided into four arms according to each one of the interventions performed...
November 6, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29068216/tumor-progression-of-non-small-cell-lung-cancer-controlled-by-albumin-and-micellar-nanoparticles-of-itraconazole-a-multi-target-angiogenesis-inhibitor
#12
Ling Zhang, Zhengsheng Liu, Kuan Yang, Chao Kong, Chun Liu, Huijun Chen, Jinfeng Huang, Feng Qian
Itraconazole (ITA), an old and widely-prescribed antifungal drug with excellent safety profile, has more recently been demonstrated to be a multi-target anti-angiogenesis agent affecting multiple angiogenic stimulatory signals and pathways, including vascular endothelial growth factor (VEGF), basic fibroblast growth factor (bFGF), vascular endothelial growth factor receptor 2 (VEGFR2) glycosylation, and mammalian target of rapamycin (mTOR). In this study, we developed two nanoparticle formulations, i.e., polymer micelles (IP2K) and albumin nanoparticles (IBSA), to solubilize the extremely hydrophobic and insoluble ITA to allow intravenous administration and pharmacokinetics (PK)/pharmacodynamics (PD) comparisons...
October 25, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29045423/candidemia-in-non-icu-surgical-wards-comparison-with-medical-wards
#13
MULTICENTER STUDY
Antonio Vena, Emilio Bouza, Maricela Valerio, Belén Padilla, José Ramón Paño-Pardo, Mario Fernández-Ruiz, Ana Díaz Martín, Miguel Salavert, Alessandra Mularoni, Mireia Puig-Asensio, Patricia Muñoz
Candidemia acquired outside critical care or hematological areas has received much attention in recent years; however, data on candidemia in surgical departments are very scarce. Our objectives were to describe episodes of candidemia diagnosed in surgical wards and to compare them with episodes occurring in medical wards. We performed a post hoc analysis of a prospective, multicenter study implemented in Spain during 2010-2011 (CANDIPOP project). Of the 752 episodes of candidemia, 369 (49.1%) occurred in patients admitted to surgical wards (165, 21...
2017: PloS One
https://www.readbyqxmd.com/read/29023003/antioxidant-and-biological-activities-of-proteinaceous-extract-from-algerian-glycine-max-plant
#14
Nassima Soussi, Saad Moulay, Khaldoun Bachari, Yamina Benmiri
OBJECTIVE: Glycine max is commonly used in Algeria for treatment of anemia deficiency and osteoporosis, it ranks first in terms of vegetal proteins. The experiment was aimed at characterizing the proteinaceous Glycine max extract and evaluating its antioxidant, biological and hematological potential. METHODOLOGY: Extraction of proteinaceous materials from Glycine max plant was undertaken using water and n-hexane as extracting media. The isolation of proteins from the crude materials was done, providing the use of ammonium sulfate...
2017: Pakistan Journal of Biological Sciences: PJBS
https://www.readbyqxmd.com/read/28966482/comparative-evaluation-of-galactomannan-test-with-bronchoalveolar-lavage-and-serum-for-the-diagnosis-of-invasive-aspergillosis-in-patients-with-hematological-malignancies
#15
Ankit Gupta, Malini R Capoor, Trupti Shende, Bhawna Sharma, Ritin Mohindra, Jagdish Chander Suri, Dipender Kumar Gupta
INTRODUCTION: Invasive pulmonary aspergillosis (IPA) is a major cause of morbidity and mortality in patients with hematological malignancies. In recent years, testing for values of galactomannan (GM) in serum and bronchoalveolar lavage (BAL) fluid has been investigated as a diagnostic test for IPA for such patients, but global experience and consensus on optical density (OD) cutoffs, especially for BAL galactomannan remains lacking. METHODS: We performed a prospective case-control study to determine an optimal BAL GM OD cutoff for IPA in at-risk patients...
October 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28956459/empirical-antifungal-treatment-for-diagnosed-and-undiagnosed-invasive-fungal-disease-in-patients-with-hematologic-malignancies
#16
Qi Deng, Hai-Rong Lv, Xue-Mei Lin, Ming-Feng Zhao, Li Geng, Yu-Ming Li
BACKGROUND: Empirical antifungal therapy is effective in some patients with risk factors for invasive fungal disease (IFD) who do not qualify for the EORTC/MSG criteria for IFD, but who fail to respond to anti-bacterial and anti-viral therapy. OBJECTIVE: This retrospective single-center study investigated the epidemiology of IFD and empirical antifungal therapy in patients with hematological malignancies. METHODS: This study recruited 893 patients with hematologic malignancies who had failed to respond to anti-bacterial and anti-viral treatment and received antifungal therapy, but not for antifungal prophylaxis...
October 27, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28920784/treatment-success-in-three-andean-bears-tremarctos-ornatus-with-alopecia-syndrome-using-oclacitinib-maleate-apoquel%C3%A2
#17
Gabby J Drake, Tim Nuttall, Javier López, William Magnone, Antoine Leclerc, Romain Potier, Alexis Lécu, Maëlle Guézénec, Lydia Kolter, Amélie Nicolau, Karin Lemberger, Didier Pin, Sallie B Cosgrove
Andean bear (Tremarctos ornatus) alopecia syndrome (ABAS) commonly affects captive bears, particularly sexually mature females. ABAS is characterized by bilaterally symmetrical predominantly flank alopecia with or without profound pruritus and secondary bacterial and Malassezia infections. There is no effective treatment and severely affected bears have been euthanized. This paper describes the successful management of ABAS in three female Andean bears. Skin biopsies and cytology revealed a mixed dermal inflammatory infiltrate, alopecia, hyperkeratosis, and Malassezia dermatitis...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28874131/a-chronic-hemodialysis-patient-with-isolated-pulmonary-valve-infective-endocarditis-caused-by-non-albicans-candida-a-rare-case-and-literature-review
#18
Chih-Hao Chang, Myo-Ming Huang, Dong-Feng Yeih, Kuo-Cheng Lu, Yi-Chou Hou
BACKGROUND: Isolated pulmonary valve infective endocarditis caused by Candida is rare in chronic hemodialysis patients. The 2009 Infectious Diseases Society of America guidelines suggest the combined use of surgery and antibiotics to treat candidiasis; however, successful nonsurgical treatment of Candida endocarditis has been reported. CASE PRESENTATION: A 63-year-old woman with end-stage kidney disease was admitted to our hospital after experiencing disorientation for 5 days...
September 6, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28856437/diagnosis-and-empirical-treatment-of-fever-of-unknown-origin-fuo-in-adult-neutropenic-patients-guidelines-of-the-infectious-diseases-working-party-agiho-of-the-german-society-of-hematology-and-medical-oncology-dgho
#19
REVIEW
W J Heinz, D Buchheidt, M Christopeit, M von Lilienfeld-Toal, O A Cornely, H Einsele, M Karthaus, H Link, R Mahlberg, S Neumann, H Ostermann, O Penack, M Ruhnke, M Sandherr, X Schiel, J J Vehreschild, F Weissinger, G Maschmeyer
Fever may be the only clinical symptom at the onset of infection in neutropenic cancer patients undergoing myelosuppressive chemotherapy. A prompt and evidence-based diagnostic and therapeutic approach is mandatory. A systematic search of current literature was conducted, including only full papers and excluding allogeneic hematopoietic stem cell transplant recipients. Recommendations for diagnosis and therapy were developed by an expert panel and approved after plenary discussion by the AGIHO. Randomized clinical trials were mainly available for therapeutic decisions, and new diagnostic procedures have been introduced into clinical practice in the past decade...
November 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28855480/diagnosis-and-treatment-of-mucormycosis-in-patients-withhematological-malignancies%C3%AF-translated-article%C3%AF
#20
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 invasive aspergillosis...
2017: Medical Mycology Journal
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