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https://www.readbyqxmd.com/read/27932109/risk-evaluation-and-outcome-of-pneumocystis-jirovecii-pneumonia-in-kidney-transplant-patients
#1
S Brakemeier, M Dürr, F Bachmann, D Schmidt, J Gaedeke, K Budde
Pneumocystis jirovecii pneumonia (PJP) affects immunocompromised patients. As a result of effective prophylaxis in the 1st months after kidney transplantation, PJP is increasingly diagnosed in the long term after transplantation. The present study evaluates course and outcome of PJP in a single transplant center from 2010 to 2015. Twenty-three patients presented with PJP at a mean of 53.7 ± 50.2 months after transplantation. Of these, 3 patients underwent ABO-incompatible (ABO-i) living-donor transplantation and 3 patients were treated with the use of belatacept...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27927829/lesson-of-the-month-1-lobar-pulmonary-consolidation-in-an-immunocompromised-host
#2
Daniel J Reynolds, Carl A Andersen, Sumedh S Hoskote, Hee Eun Lee, Aditya Raghunathan, Sanjay Kalra, Andrew H Limper
A 19-year-old male with a history of idiopathic panuveitis, currently taking methotrexate and infliximab, presented to our institution with 6 weeks of cough, dyspnoea and fevers. He had failed outpatient antimicrobial therapy. Computerised tomography (CT) of the chest revealed the presence of a lobar pneumonia and he was treated with broad spectrum antibiotics, which did not improve his symptoms. Bronchoalveolar lavage was performed with a transbronchial lung biopsy because of the diagnostic uncertainty of the patient's presentation...
December 2016: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/27925857/analysis-of-the-intestinal-microbial-community-and-inferred-functional-capacities-during-the-host-response-to-pneumocystis-pneumonia
#3
Derrick R Samuelson, Tysheena P Charles, Nicholas M de la Rua, Christopher M Taylor, Eugene E Blanchard, Meng Luo, Judd E Shellito, David A Welsh
BACKGROUND: Pneumocystis pneumonia is a major cause of morbidity and mortality in patients infected with HIV/AIDS. In this study, we evaluated the intestinal microbial communities associated with the development of experimental Pneumocystis pneumonia, as there is growing evidence that the intestinal microbiota is critical for host defense against fungal pathogens. METHODS: C57BL/6 mice were infected with live Pneumocystis murina (P. murina) via intratracheal inoculation and sacrificed 7 and 14 days postinfection for microbiota analysis...
December 7, 2016: Experimental Lung Research
https://www.readbyqxmd.com/read/27920001/a-case-report-of-pneumocystis-jiroveci-pneumonia-in-a-patient-with-metastatic-breast-cancer
#4
Abhijit Ray, Brian Khong, Hung T Khong
We describe a 69-year-old woman with metastatic breast cancer who developed dyspnea on exertion, persistent cough, fever and fatigue while on everolimus and exemestane combination. The initial differentials included opportunistic infection such as pneumocystis jiroveci pneumonia (PJP) vs. pneumonitis. Bronchoalveolar lavage (BAL) from bronchoscopy revealed PJP. The patient recovered after appropriate treatment. We also correlated the progressive decrease in her absolute lymphocyte count with PJP infection and recovery...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919207/safety-and-effectiveness-of-24-week-treatment-with-iguratimod-a-new-oral-disease-modifying-antirheumatic-drug-for-patients-with-rheumatoid-arthritis-interim-analysis-of-a-postmarketing-surveillance-study-of-2679-patients-in-japan
#5
Tsuneyo Mimori, Masayoshi Harigai, Tatsuya Atsumi, Takao Fujii, Masataka Kuwana, Hiroaki Matsuno, Shigeki Momohara, Syuji Takei, Naoto Tamura, Yoshinari Takasaki, Satoshi Ikeuchi, Satoru Kushimoto, Takao Koike
OBJECTIVE: To determine the real-world safety and effectiveness of iguratimod (IGU) for rheumatoid arthritis (RA), a 52-week, Japanese, postmarketing surveillance study was conducted. An interim analysis at week 24 was performed. METHODS: This study included all RA patients who received IGU following its introduction to the market. All adverse events (AEs) and adverse drug reactions (ADRs) were collected. Effectiveness was evaluated by the change in Disease Activity Score 28-C-reactive protein (DAS28-CRP) from baseline to week 24...
December 6, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27917032/pneumocystis-jirovecii-pneumonia-in-a-treatment-naive-patient-with-chronic-lymphocytic-leukemia
#6
Jeffrey R Strich, Theresa D Jerussi, Adrian Wiestner, Steven M Holland
Pneumocystis jirovecii pneumonia is a known complication in patients with chronic lymphocytic leukemia who are treated with fludarabine-based chemotherapy; however, it is extremely uncommon in treatment naïve patients. Here we report a case of Pneumocystis jirovecii pneumonia in a patient with untreated chronic lymphocytic leukemia.
November 2016: Infectious Diseases in Clinical Practice: IDCP
https://www.readbyqxmd.com/read/27904052/recent-advances-in-the-diagnosis-of-pneumocystis-pneumonia
#7
Yinggai Song, Yi Ren, Xiaowen Wang, Ruoyu Li
Pneumocystis jirovecii is a prototypical opportunistic pathogen, causing an asymptomatic or mild infection in normal hosts and fulminating pneumonia (Pneumocystis pneumonia, PCP) in immunocompromised hosts. PCP is a leading cause of morbidity and mortality in immunocompromised patients such as AIDS patients. Microscopic detection of cysts and trophic forms of P. jirovecii in respiratory secretions is simple and useful but may underestimate the P. jirovecii infection. Conventional polymerase chain reaction (PCR) and nested PCR increase the sensitivity and specificity to identify PCP and provide an approach to discriminate PCP from pulmonary P...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27890947/profile-of-pneumocystis-infection-in-a-tertiary-care-institute-in-north-india
#8
Ravinder Kaur, Pragyan Swagatika Panda, Richa Dewan
CONTEXT: Pneumocystis jirovecii pneumonia (PcP) is still remains a common opportunistic disease in human immunodeficiency virus (HIV) infected individuals. Study on PcP in developing countries are scarce. AIMS: To study the occurrence of P. jirovecii infection in clinically suspected individuals in a tertiary care institute. SETTINGS AND DESIGN: Retrospective study conducted in a tertiary care hospital. MATERIALS AND METHODS: Two years data regarding respiratory sample analysis, HIV status, and cluster of differentiation 4 (CD4) cell count of clinically suspected pneumocystis infection patients with known/unknown HIV status were analyzed...
July 2016: Indian Journal of Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27890037/grouped-cases-of-pulmonary-pneumocystosis-after-solid-organ-transplantation-advantages-of-coordination-by-an-infectious-diseases-unit-for-overall-management-and-epidemiological-monitoring
#9
Claire Wintenberger, Daniele Maubon, Elena Charpentier, John Rendu, Patricia Pavese, Caroline Augier, Paolo Malvezzi, Boubou Camara, Marie-Reine Mallaret, Laurence Bouillet, Olivier Epaulard
OBJECTIVE To determine the origin of grouped cases of Pneumocystis pneumonia in solid-organ transplant recipients at our institution. DESIGN A case series with clinical examinations, genotyping, and an epidemiological survey. SETTING A university hospital in France. PATIENTS We report 12 solid-organ transplant recipients with successive cases of Pneumocystis pneumonia that occurred over 3 years; 10 of these cases occurred in a single year. METHODS We used molecular typing of P. jirovecii strains by multilocus sequence typing and clinical epidemiological survey to determine potential dates and places of transmission...
November 28, 2016: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/27859907/identification-and-functional-ascertainment-of-the-pneumocystis-jirovecii-potential-drug-targets-gsc1-and-kre6-involved-in-glucan-synthesis
#10
Amanda Luraschi, Ousmane H Cissé, Marco Pagni, Philippe M Hauser
The most efficient drug against the human pathogenic fungus Pneumocystis jirovecii is cotrimoxazole targeting the folate biosynthesis. However, resistance towards it is emerging and adverse effects occur in some patients. Studies in rodent models suggested that echinocandins could be useful to treat Pneumocystis pneumonia. Echinocandins inhibit the catalytic subunit Gsc1 of the enzymatic complex ensuring the synthesis of 1,3-β glucan, an essential constituent of cell walls of most fungi. Besides, inhibitors of the enzyme Kre6 involved in the synthesis of 1,6-β glucan, another essential component of fungal walls, were recently described...
November 17, 2016: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/27855071/high-prevalence-of-pneumocystis-jirovecii-dihydropteroate-synthase-gene-mutations-in-patients-with-first-episode-of-pneumocystis-pneumonia-in-santiago-chile-and-their-clinical-response-to-trimethoprim-sulfamethoxazole-therapy
#11
Carolina A Ponce, Magali Chabé, Claudio George, Alejandra Cárdenas, Luisa Duran, Julia Guerrero, Rebeca Bustamante, Olga Matos, Laurence Huang, Robert F Miller, Sergio L Vargas
Mutations in the Dihydropteroate synthase (DHPS) gene of Pneumocystis jirovecii associate with failure of sulfa prophylaxis. They can develop by selection in patients receiving sulfa drugs, or be acquired via person-to-person transmission. DHPS mutations raise concern about decreasing efficacy of sulfa drugs, the main available therapeutic tool for Pneumocystis pneumonia (PCP). The prevalence of Pneumocystis DHPS mutations was examined in Pneumocystis isolates from 56 sulfa-prophylaxis-naive adults with first-episode of PCP from 2002-2010 in Santiago, Chile...
November 14, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27854149/dissemination-of-trimethoprim-sulfamethoxazole-drug-resistance-genes-associated-with-class-1-and-class-2-integrons-among-gram-negative-bacteria-from-hiv-patients-in-south-india
#12
Marimuthu Ragavan Ramesh Kumar, Narasingam Arunagirinathan, Seetharaman Srivani, Aridoss Dhanasezhian, Nallusamy Vijaykanth, Natesan Manikandan, Sethuramalingam Balakrishnan, Ramachandran Vignesh, Pachamuthu Balakrishnan, Suniti Solomon, Sunil S Solomon
The antibiotic, trimethoprim-sulfamethoxazole (TMP-SMX), is generally used for prophylaxis in HIV individuals to protect them from Pneumocystis jiroveci infection. Long-term use of TMP-SMX develops drug resistance among bacteria in HIV patients. The study was aimed to detect the TMP-SMX resistance genes among gram-negative bacteria from HIV patients. TMP-SMX-resistant isolates were detected by the Kirby-Bauer disc diffusion method. While TMP resistance genes such as dfrA1, dfrA5, dfrA7, and dfrA17 and SMX resistance genes such as sul1 and sul2 were detected by multiplex PCR, class 1 and class 2 integrons were detected by standard monoplex PCR...
November 17, 2016: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/27852659/case-of-steven-johnson-syndrome-in-a-male-with-breast-cancer-secondary-to-docetaxel-cyclophosphamide-therapy
#13
Benjamin Jarrett, Sehem Ghazala, Joseph Chao, Sachin Chaudhary
The mortality rate for Stevens-Johnson syndrome (SJS) is estimated to be ∼12% and for toxic epidermal necrolysis (TEN) it is around 30%. It continues to be a severe life-threatening drug reaction. We present a 60-year-old Caucasian man with a medical history significant for breast cancer status post mastectomy and chemotherapy with docetaxel and cyclophosphamide who presented with severe mucositis and a progressing skin rash consistent with SJS. He was started on high-dose corticosteroids and IVIG but continued to have worsening mucosal ulcerations and severe bleeding from the oral, conjunctival and genital mucosa...
November 15, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27851577/1943-crack-lung-mimicking-pneumocystis-pneumonia
#14
Junad Chowdhury, Milad Kosa, Vishad Sheth, Ana Maheshwari, Brett Lindgren, Michael Korman
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27851413/1778-pneumocystis-pneumonia-remains-a-diagnostic-challenge-with-pcr-in-acute-settings
#15
Kelly Pennington, Patricio Escalante
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27851378/1743-liver-transplantation-in-a-patient-with-pneumocystis-pneumonia-a-first-report-in-the-literature
#16
Christopher Robinson, Brendan Wanta
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27849736/56-utilization-and-outcomes-of-mechanical-ventilation-among-patients-with-pneumocystis-pneumonia
#17
Kshitij Chatterjee, Abhinav Goyal, Pooja Gurram, Kevin Kuriakose, Michael Saccente
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27837499/commercial-molecular-tests-for-fungal-diagnosis-from-a-practical-point-of-view
#18
Michaela Lackner, Cornelia Lass-Flörl
The increasing interest in molecular diagnostics is a result of tremendously improved knowledge on fungal infections in the past 20 years and the rapid development of new methods, in particular polymerase chain reaction. High expectations have been placed on molecular diagnostics, and the number of laboratories now using the relevant technology is rapidly increasing-resulting in an obvious need for standardization and definition of laboratory organization. In the past 10 years, multiple new molecular tools were marketed for the detection of DNA, antibodies, cell wall components, or other antigens...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27837497/the-changing-epidemiology-of-invasive-fungal-infections
#19
David A Enoch, Huina Yang, Sani H Aliyu, Christianne Micallef
Invasive fungal infections (IFI) are an emerging problem worldwide with invasive candidiasis and candidemia responsible for the majority of cases. This is predominantly driven by the widespread adoption of aggressive immunosuppressive therapy among certain patient populations (e.g., chemotherapy, transplants) and the increasing use of invasive devices such as central venous catheters (CVCs). The use of new immune modifying drugs has also opened up an entirely new spectrum of patients at risk of IFIs. While the epidemiology of candida infections has changed in the last decade, with a gradual shift from C...
2017: Methods in Molecular Biology
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
#20
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
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