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https://www.readbyqxmd.com/read/28214911/-risk-of-pneumonia-in-patients-with-chronic-obstructive-pulmonary-disease-treated-with-inhaled-corticosteroids-evidence-and-uncertainties
#1
Cristoforo Incorvaia, Bruna Gritti, Irene Martignago, Gian Galeazzo Riario-Sforza, Erminia Ridolo
A large number of studies, evaluated by several meta-analyses, indicate that patients with chronic obstructive pulmonary disease (COPD) treated with inhaled corticosteroids have a significantly increased risk of pneumonia which, however, is not associated with a corresponding increase in mortality. The increased risk seems to be exclusive of COPD, since meta-analyses involving patients with asthma treated with inhaled corticosteroids did not show a risk of pneumonia higher than that of the general population...
November 2016: Igiene e Sanità Pubblica
https://www.readbyqxmd.com/read/28214275/detection-of-pneumocystis-jirovecii-by-nested-pcr-in-hiv-negative-patients-with-pulmonary-disease
#2
Cristina Rodrigues Santos, Ângela M de Assis, Edson A Luz, Luzia Lyra, Ivan F Toro, José Claudio C Seabra, Dira H Daldin, Tathiane U Marcalto, Marcos T Galasso, Ronaldo F Macedo, Angélica Z Schreiber, Francisco H Aoki
BACKGROUND: Nested PCR can be used to determine the status of Pneumocystis jirovecii infection in other lung diseases. AIMS: This study sought to detect a target DNA fragment (mitochondrial large subunit rRNA or mtL SUrRNA) of P. jirovecii in patients with lung disease who underwent bronchoscopy with collection of bronchoalveolar lavage (BAL). METHODS: The results from toluidine blue staining were compared with those obtained using molecular methods that included an "in house" DNA extraction procedure, PCR and nested PCR...
February 14, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28214232/new-nitrofurans-amenable-by-isocyanide-multicomponent-chemistry-are-active-against-multidrug-resistant-and-poly-resistant-mycobacterium-tuberculosis
#3
Mikhail Krasavin, Vladislav Parchinsky, Grigory Kantin, Olga Manicheva, Marine Dogonadze, Tatiana Vinogradova, Bianka Karge, Mark Brönstrup
A set of structurally diverse N-amino δ-lactams decorated with a 5-nitro-2-furyl moiety was synthesized using isocyanide-based multicomponent chemistry and evaluated for antibacterial activity. Three compounds displayed a selective and potent (MIC 22-33μM) inhibition of M. tuberculosis H37Rv strain growth, while other Gram-positive (MRSA and E. faecium) or Gram-negative (E. coli, P. aeruginosa, A. baumannii, K. pneumoniae) pathogens were not affected. The compounds also displayed moderate-low cytotoxicity, as demonstrated in cell line viability assays...
February 4, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28214159/is-surveillance-for-colonization-of-carbapenem-resistant-gram-negative-bacteria-important-in-adult-bone-marrow-transplantation-units
#4
Hayati Demiraslan, Fatma Cevahir, Elife Berk, Gokhan Metan, Mustafa Cetin, Emine Alp
BACKGROUND: The aim of this study was to investigate the rate of carbapenem-resistant gram-negative bacilli (CRGNB) colonization and to analyze the risk factors associated with CRGNB colonization. METHODS: This prospective study was conducted in adult patients hospitalized in hematopoietic stem cell transplantation (HSCT) units over a period of 8 months. Rectal swab samples were obtained from each participant every Monday, and patients CRGNB positive on admission were excluded...
February 15, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28214056/pneumonia-diagnosis-in-elderly-patient-with-a-bivalve-shell-lodged-in-the-mid-esophagus
#5
P López Pardo, C Jiménez Rojas, M Isach Comallonga
No abstract text is available yet for this article.
February 14, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/28213891/opioids-and-the-immune-system-friend-or-foe
#6
REVIEW
Lisanne Mirja Plein, Heike L Rittner
Systemically administered opioids are among the most powerful analgesics for treating severe pain. Several negative side-effects (respiratory depression, addiction, nausea, confusion) and the risk of opioid-induced hyperalgesia accompany opioid administration. One other side effect is the potential of opioids to suppress the immune response and thereby to increase the vulnerability for infections. Several studies have investigated the link between opioids and immunosuppression in vitro, in vivo as well as in patients with divergent results: Exogenous opioids such as morphine and fentanyl can impair macrophage and natural killer cell as well as T cell function and weaken the gut barrier in vitro and in animal studies...
February 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28213689/serious-fungal-infections-in-egypt
#7
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/28213006/a-prospective-multi-institutional-phase-ii-study-of-induction-chemoradiotherapy-followed-by-surgery-in-patients-with-non-small-cell-lung-cancer-involving-the-chest-wall-cjlsg0801
#8
Koji Kawaguchi, Kohei Yokoi, Hiroshi Niwa, Yasuhisa Ohde, Shoichi Mori, Sakae Okumura, Satoshi Shiono, Hiroyuki Ito, Motoki Yano, Kikuo Shigemitsu, Yoshinori Hiramatsu, Jiro Okami, Hideo Saka
OBJECTIVES: The standard therapy for patients with T3N0-1M0 non-small cell lung cancer (NSCLC) involving the chest wall is considered surgical resection and adjuvant therapy. However, the compliance of adjuvant therapy is relatively low, and the prognosis for those patients has been unsatisfactory. Therefore, we conducted a phase II study of induction chemoradiotherapy followed by surgery with the aim of improving the survival. PATIENTS AND METHODS: This treatment strategy consisted of induction chemotherapy (two cycles of cisplatin at 80mg/m(2) on Day 1 and vinorelbine at 20mg/m(2) on Days 1 and 8) concurrent with radiotherapy (40Gy in 20 fractions) followed by surgery...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28212992/nivolumab-induced-interstitial-lung-disease-analysis-of-two-phase-ii-studies-patients-with-recurrent-or-advanced-non-small-cell-lung-cancer
#9
Terufumi Kato, Noriyuki Masuda, Yoichi Nakanishi, Masashi Takahashi, Toyoaki Hida, Hiroshi Sakai, Shinji Atagi, Shiro Fujita, Hiroshi Tanaka, Koji Takeda, Miyako Satouchi, Yoshinobu Namba, Tomohide Tamura
OBJECTIVES: Drug-induced interstitial lung disease (ILD) is often associated with high mortality; however it is difficult to predict and manage. we examined the clinical findings and imaging characteristics of nivolumab induced ILD reported in the two phase II studies patients with recurrent or advanced non-small-cell lung cancer. MATERIALS AND METHODS: We examined the clinical findings and imaging characteristics of all cases of ILD reported in two phase II trials of nivolumab, an anti-programmed death-1 antibody, in Japanese patients with recurrent or advanced non-small-cell lung cancer...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28212836/point-of-care-ultrasonography-for-evaluation-of-acute-dyspnea-in-the-emergency-department
#10
Maurizio Zanobetti, Margherita Scorpiniti, Chiara Gigli, Peiman Nazerian, Simone Vanni, Francesca Innocenti, Valerio T Stefanone, Caterina Savinelli, Alessandro Coppa, Sofia Bigiarini, Francesca Caldi, Irene Tassinari, Alberto Conti, Stefano Grifoni, Riccardo Pini
BACKGROUND: Acute dyspnea is a common symptom in the emergency department (ED). Standard approach to dyspnea often relies on radiologic and laboratoristic results, causing excessive delay before adequate therapy is started; an integrated point-of-care ultrasonography (PoCUS) approach can shorten the time needed to formulate a diagnosis maintaining an acceptable safety profile. METHODS: Consecutive adult patients presenting with dyspnea and admitted after ED evaluation were prospectively enrolled...
February 14, 2017: Chest
https://www.readbyqxmd.com/read/28212478/-risk-factors-related-with-ventilator-associated-pneumonia-in-a-neonatal-intensive-care-therapy
#11
Juan Pablo Romo-Gamboa, Bertha Alicia Sandoval-Pérez, Ana Bertha Rodríguez-López, Marco Antonio Torres-González, Juan Carlos Barrera-de León
BACKGROUND: Ventilator-associated pneumonia (VAP) represents the second cause of nosocomial infections and it is associated with greater morbility, duration of mechanical ventilation (MV), and hospital stay. The objective was to determine factors related with VAP in neonates. METHODS: Analytical transversal study including newborns admitted already intubated with at least 48 hours of MV or who were intubated in Neonatal Therapy. VAP was defined according to the criteria of the Centers for Disease Control and Prevention: "those patients submitted to MV during at least 48 hours"...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28212095/identifying-bacterial-essential-genes-based-on-a-feature-integrated-method
#12
Yan Lin, Fa-Zhan Zhang, Kai Xue, Yi-Zhou Gao, Feng-Biao Guo
Essential genes are those genes of an organism that are considered to be crucial for its survival. Identification of essential genes is therefore of great significance to advance our understanding of the principles of cellular life. We have developed a novel computational method, which can effectively predict bacterial essential genes by extracting and integrating homologous features, protein domain feature, gene intrinsic features and network topological features. By performing the principal component regression (PCR) analysis for Escherichia coli MG1655, we established a classification model with the average area under curve (AUC) value of 0...
February 15, 2017: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/28211009/pneumococcal-predictive-proteins-selected-by-microbial-genomic-approach-are-serotype-cross-reactive-and-bind-to-host-extracellular-matrix-proteins
#13
Ana Paula Corrêa Argondizzo, Cláudio Marcos Rocha-de-Souza, Marta de Almeida Santiago, Ricardo Galler, Joice Neves Reis, Marco Alberto Medeiros
Streptococcus pneumoniae is a colonizer of the human nasopharynx, which accounts for most of the community-acquired pneumonia cases and can cause non-invasive and invasive diseases. Current available vaccines are serotype-specific and the use of recombinant proteins associated with virulence is an alternative to compose vaccines and to overcome these problems. In a previous work, we describe the identification of proteins in S. pneumoniae by reverse vaccinology and the genetic diversity of these proteins in clinical isolates...
February 17, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28210926/a-fatal-suppurative-pneumonia-in-piglets-caused-by-a-pathogenic-coagulase-positive-strain-of-staphylococcus-hyicus
#14
Mingyue Wang, Junying Hu, Lisai Zhu, Chunguang Guo, Haibing Lu, Changming Guo, Xin Li, Xinping Wang
Staphylococcus hyicus is one of the opportunistic pathogens that cause infections to animals. Early studies have demonstrated that S. hyicus is the causative agents of exudative epidermitis in pigs, arthritis in horses and chicken, mastitis in cow, and bacteremia, sepsis and multiple organ failure in humans. Here, we report the isolation and identification of a representative S. hyicus isolate, named JLHN15, from a pig farm with a disease characterized by bacteremia, suppurative pneumonia and fibrinous pericarditis...
February 16, 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/28210888/double-carbapenem-combination-as-salvage-therapy-for-untreatable-infections-by-kpc-2-producing-klebsiella-pneumoniae
#15
M Souli, I Karaiskos, A Masgala, L Galani, E Barmpouti, H Giamarellou
We report our experience using the double-carbapenem combination as salvage therapy for patients with untreatable infections caused by KPC-2- producing Klebsiella pneumoniae. A total of 27 patients in two institutions in Athens, Greece suffering from complicated urinary tract infections (16) with or without secondary bacteraemia (four and 12 respectively), primary (six) or catheter-related bloodstream infections (two), HAP or VAP (two) and external ventricular drainage infection (one) were treated exclusively with ertapenem and high-dose prolonged infusion meropenem because in-vitro active antimicrobials were unavailable (19) or failed (four) or were contraindicated (six)...
February 16, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28210705/gastric-esd-may-be-useful-as-accurate-staging-and-decision-of-future-therapeutic-strategy
#16
Ai Fujimoto, Osamu Goto, Toshihiro Nishizawa, Yasutoshi Ochiai, Joichiro Horii, Tadateru Maehata, Teppei Akimoto, Satoshi Kinoshita, Seiji Sagara, Motoki Sasaki, Toshio Uraoka, Naohisa Yahagi
Background and study aims We sometimes perform gastric endoscopic submucosal dissection (ESD) for total pathologic diagnosis when preoperative diagnosis is difficult. In the present study we analyzed the treatment outcomes and adverse events of diagnostic ESD for early gastric cancer (EGC). Patients and methods We conducted a retrospective analysis of 18 consecutive cases of EGC in 18 patients with a suspected out-of-indication diagnosis who underwent diagnostic ESD, between June 2010 and November 2014...
February 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28210638/an-unusual-suspect-causing-hypoxemic-respiratory-failure
#17
Masooma Aqeel, Bjorn Batdorf, Horatiu Olteanu, Jayshil J Patel
Introduction: Antisynthetase syndrome (ASS) is characterized by the presence of anti-Jo-1 antibodies in conjunction with clinical findings of fever, polymyositis-dermatomyositis, and interstitial lung disease (ILD). Inflammatory myopathies carry a high risk of malignancy, but this association is less well outlined in ASS. We present the case of a patient with ASS who developed non-Hodgkin's lymphoma with acute hypoxemic respiratory failure. Case Presentation: A 44-year-old female with ASS presented with acute hypoxemic respiratory failure...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28210633/potential-usefulness-of-streptococcus-pneumoniae-extracellular-membrane-vesicles-as-antibacterial-vaccines
#18
Chi-Won Choi, Edmond Changkyun Park, Sung Ho Yun, Sang-Yeop Lee, Seung Il Kim, Gun-Hwa Kim
The secretion of extracellular membrane vesicles (EMVs) is a common phenomenon that occurs in archaea, bacteria, and mammalian cells. The EMVs of bacteria play important roles in their virulence, biogenesis mechanisms, and host cell interactions. Bacterial EMVs have recently become the focus of attention because of their potential as highly effective vaccines that cause few side effects. Here, we isolated the EMVs of Streptococcus pneumoniae and examined their potential as new vaccine candidates. Although the S...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28210262/morphoproteomic-guided-host-directed-therapy-for-tuberculosis
#19
Robert E Brown, Robert L Hunter, Shen-An Hwang
In an effort to develop more effective therapy for tuberculosis (TB), research efforts are looking toward host-directed therapy, reprograming the body's natural defenses to better control the infection. While significant progress is being made, the efforts are limited by lack of understanding of the pathology and pathogenesis of adult type TB disease. We have recently published evidence that the developing lesions in human lungs are focal endogenous lipid pneumonia that constitutes a region of local susceptibility in a person with strong systemic immunity...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28210248/coexistence-of-blaoxa-48-and-truncated-blandm-1-on-different-plasmids-in-a-klebsiella-pneumoniae-isolate-in-china
#20
Lianyan Xie, Yi Dou, Kaixin Zhou, Yue Chen, Lizhong Han, Xiaokui Guo, Jingyong Sun
Objectives: To describe the genetic environment, transferability, and antibiotic susceptibility of one clinical Klebsiella pneumoniae isolate harboring both blaOXA-48 and blaNDM-1 on different plasmids from a Chinese hospital. Methods: The isolate was subjected to antimicrobial susceptibility testing and multilocus sequence typing using Etest and PCR. The plasmids harboring blaOXA-48 and blaNDM-1 were analyzed through conjugation experiments, S1-nuclease pulsed-field gel electrophoresis, and hybridization with specific probes...
2017: Frontiers in Microbiology
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