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https://www.readbyqxmd.com/read/29334446/pediatric-community-acquired-pneumonia
#1
Stephanie Posten, Jennifer Reed
Pediatric community acquired pneumonia (CAP) is frequently encountered by medical providers and is one of the most common reasons for hospital admission. CAP is known to cause significant morbidity and mortality, causing greater than 2 million deaths annually worldwide in children younger than five years old. The Infectious Disease Society of America (IDSA) released guidelines in 2011 with recommendations regarding appropriate diagnosis and management of community acquired pneumonia for children greater than 3 months age, with the goal of assisting providers in clinical decision making...
December 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/29334334/mortality-after-endovascular-treatment-of-infrarenal-abdominal-aortic-aneurysms-the-newer-the-better
#2
Aspasia Tzani, Ilias P Doulamis, Ioannis Katsaros, Eirini Martinou, Dimitrios Schizas, Konstantinos P Economopoulos
Although endovascular repair of infrarenal abdominal aortic aneurysms (EVAR) presents a delicate alternative treatment for abdominal aortic aneurysms (AAA) with lower perioperative mortality, its long-term efficacy remains a matter of concern. The purpose of this study was to evaluate the currently reported mortality evidence after EVAR and to examine the possible effect of aneurysm status and the study period on mortality rates. The PubMed and Cochrane bibliographical databases were thoroughly searched for studies reporting on more than 1 000 patients with non-ruptured or ruptured infrarenal AAA, treated with EVAR from August 1991 to September 2016...
January 15, 2018: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/29334313/pneumonia-infection-in-mice-reveals-the-involvement-of-the-feoa-gene-in-the-pathogenesis-of-acinetobacter-baumannii
#3
Laura Álvarez-Fraga, Juan C Vázquez-Ucha, Marta Martínez-Guitián, Juan A Vallejo, Germán Bou, Alejandro Beceiro, Margarita Poza
Acinetobacter baumannii has emerged in the last decade as an important nosocomial pathogen. To identify genes involved in the course of a pneumonia infection, gene expression profiles were obtained from A. baumannii ATCC 17978 grown in mouse infected lungs and in culture medium. Gene expression analysis allowed us to determine a gene, the A1S_0242 gene (feoA), over-expressed during the pneumonia infection. In the present work, we evaluate the role of this gene, involved in iron uptake. The inactivation of the A1S_0242 gene resulted in an increase susceptibility to oxidative stress and a decrease in biofilm formation, in adherence to A549 cells and in fitness...
January 15, 2018: Virulence
https://www.readbyqxmd.com/read/29334239/antimicrobial-and-antiquorum-sensing-activity-of-ricinus-communis-extracts-and-ricinine-derivatives
#4
Mai H El-Naggar, Abdelaziz Elgaml, Fatma M Abdel Bar, Farid A Badria
Ricinine (1), a known major alkaloid in Ricinus communis plant, was used as a starting compound for the synthesis of six ricinine derivatives; two new and four known compounds. The new derivatives; 3-amino-5-methyl-1H-pyrazolo[4,3-c]pyridin-4(5H)-one (2), and 3-amino-5-methyl-1-(phenylsulfonyl)-1H-pyrazolo[4,3-c]pyridin-4(5H)-one (3), as well as the previously prepared derivatives (4-7) were subjected for antimicrobial and antiquorum-sensing evaluation in comparison to different R. communis extracts. Acetyl ricininic acid derivative (5) showed the highest antimicrobial activity among all tested derivatives against Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeuroginosa and Candida albicans...
January 15, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29334197/increased-non-aids-mortality-among-persons-with-aids-defining-events-after-antiretroviral-therapy-initiation
#5
April C Pettit, Mark J Giganti, Suzanne M Ingle, Margaret T May, Bryan E Shepherd, Michael J Gill, Gerd Fätkenheuer, Sophie Abgrall, Michael S Saag, Julia Del Amo, Amy C Justice, Jose M Miro, Matthias Cavasinni, François Dabis, Antonella D Monforte, Peter Reiss, Jodie Guest, David Moore, Leah Shepherd, Niels Obel, Heidi M Crane, Colette Smith, Ramon Teira, Robert Zangerle, Jonathan Ac Sterne, Timothy R Sterling
INTRODUCTION: HIV-1 infection leads to chronic inflammation and to an increased risk of non-AIDS mortality. Our objective was to determine whether AIDS-defining events (ADEs) were associated with increased overall and cause-specific non-AIDS related mortality after antiretroviral therapy (ART) initiation. METHODS: We included HIV treatment-naïve adults from the Antiretroviral Therapy Cohort Collaboration (ART-CC) who initiated ART from 1996 to 2014. Causes of death were assigned using the Coding Causes of Death in HIV (CoDe) protocol...
January 2018: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/29333842/an-adolescent-with-idiopathic-pleuroparenchymal-fibroelastosis-case-report
#6
Emine Atag, Nilay Bas Ikizoglu, Yasemin Gokdemir, Ela Erdem Eralp, Gursu Kiyan, Dilek Yilmazbayhan, Bulent Karadag
Idiopathic pleuroparenchymal fibroelastosis (IPPFE) is a rare disorder recently included in rare idiopathic interstitial pneumonias according to the updated American Thoracic Society/European Respiratory Society classification. IPPFE is characterized by pleural and subpleural parenchymal fibrosis causing volume loss predominantly in the upper lung lobes. Age of onset is variable, IPPFE mainly occurs in third and fourth decades. We present a 16 year old patient with a 2-year history of exertional dyspnea, nonproductive cough and weight loss...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333818/community-acquired-methicillin-resistant-staphylococcus-aureus-infections-hospitalization-and-case-fatality-risk-in-10-pediatric-facilities-in-argentina
#7
Ángela Gentile, Julia Bakir, Gabriela Ensinck, Aldo Cancellara, Enrique V Casanueva, Verónica Firpo, Martín Caruso, María F Lución, Alejandro Santillán Iturres, Fabiana Molina, Héctor J Abate, Andrea Gajo Gane, Santiago López Papucci
INTRODUCTION: Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) infections are prevalent both in Argentina and worldwide, and they may have a severe clinical course. OBJECTIVES: To estimate the hospitalization rate and case fatality risk factors of CA-MRSA infection. METHODS: Cross-sectional, analytical study. All patients < 15 years old with community-acquired Staphylococcus aureus (CA-SA) infections admitted to 10 pediatric facilities between January 2012 and December 2014 were included...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333786/the-added-value-of-the-lateral-chest-radiograph-for-diagnosing-community-acquired-pneumonia-in-the-pediatric-emergency-department
#8
Michalle Soudack, Semion Plotkin, Aviva Ben-Shlush, Lisa Raviv-Zilka, Jeffrey M Jacobson, Michael Benacon, Arie Augarten
BACKGROUND: Opinions differ as to the need of a lateral radiograph for diagnosing community acquired pneumonia in children referred to the emergency department. A lateral radiograph increases the ionizing radiation burden but at the same time may improve specificity and sensitivity in this population. OBJECTIVES: To determine the value of the frontal and lateral chest radiographs compared to frontal view stand-alone images for the management of children with suspected community acquired pneumonia seen in a pediatric emergency department...
January 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29333751/identification-of-the-minimal-glycotope-of-streptococcus-pneumoniae-7f-capsular-polysaccharide-using-synthetic-oligosaccharides
#9
Petra Menova, Mauro Sella, Katrin Sellrie, Claney Pereira, Peter H Seeberger
Streptococcus pneumoniae causes life-threatening diseases including meningitis, pneumonia and sepsis. Existing glycoconjugate vaccines based on purified capsular polysaccharides are widely used and help to prevent millions of deaths every year. Here, we report total synthesis of oligosaccharides resembling portions of the S. pneumoniae serotype 7F (ST7F) capsular polysaccharide repeating unit. To define minimal glycan epitopes, glycan microarrays containing the synthetic oligosaccharides were used to screen human reference serum and revealed that both side chains of the ST7F play a key role in antigen recognition...
January 14, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29333051/therapeutic-significance-of-loligo-vulgaris-lamarck-1798-ink-extract-a-biomedical-approach
#10
Sri Kumaran Nadarajah, Radha Vijayaraj, Jayaprakashvel Mani
Background: The squid ink extract is well known for its biomedical properties. Objective: In this study, squid Loligo vulgaris was collected from Tuticorin costal water, Bay of Bengal, India. Materials and Methods: Proximate composition of the crude squid ink was studied and found to have protein as the major component over lipid and carbohydrates. Further, bioactive fractions of squid ink were extracted with ethanol, and therapeutic applications such as hemolytic, antioxidant, antimicrobial, and in vitro anti-inflammatory properties were analyzed using standard methods...
December 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/29332925/pulmonary-artery-pseudoaneurysm-secondary-to-lung-inf-lammation
#11
Shinichirou Ishimoto, Hiroyuki Sakurai, Ryouta Higure, Riken Kawachi, Mie Shimamura
Pulmonary artery aneurysms (PAA) and pseudoaneurysms (PAP) are caused by infections, vasculitis, trauma, pulmonary hypertension, congenital heart disease, and connective tissue disease. Most cases of such aneurysm occur in the trunk or major branches of the pulmonary artery, while the peripheral type is less common. The treatment modalities are medical therapy, surgery, and percutaneous catheter embolization. The mortality rate associated with rupture is approximately 50%. We encountered a case of a 53-year-old man with a pulmonary artery pseudoaneurysm secondary to pneumonia and cavity formation during chemotherapy for acute myeloid leukemia (AML)...
January 15, 2018: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29332707/cutaneous-hemophagocytosis-clinicopathologic-features-of-21-cases
#12
Francesca Boggio, Viviana Lora, Carlo Cota, Amanda Pereira, Robert Müllegger, Lucia Prieto-Torres, Lorenzo Cerroni
BACKGROUND: Hemophagocytosis is well known in cytotoxic cutaneous T-cell lymphomas (CTCLs), in which it may represent a sign of hemophagocytic lymphohistiocytosis syndrome (HLHS), and is also typical of cutaneous Rosai-Dorfman disease (cRDD) (without prognostic relevance). Only rarely, has cutaneous hemophagocytosis (CH) been described in other skin conditions. OBJECTIVE: To characterize the clinicopathologic features of CH in skin biopsy specimens from patients with conditions other than CTCL or cRDD...
February 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29332105/the-emergence-of-carbapenem-resistant-klebsiella-pneumoniae-isolates-producing-oxa-48-and-ndm-in-the-southern-asir-province-saudi-arabia
#13
Ibrahim A Al-Zahrani, Bander A Alsiri
To identify the prevalence of carbapenem-resistant Klebsiella pneumoniae (CRKP) and the most common types of cabapenemases among CRKP in the Southern (Asir) province hospitals, Saudi Arabia. Methods: The cross-sectional study was conducted between late April and September in 2015. A total of 54 Klebsiella pneumoniae (K. pneumoniae) isolates with reduced sensitivity to carbapenems were obtained from various clinical specimens of the 2 largest hospitals in the Southern province. Minimum inhibitory concentrations (MICs) of carbapenems were confirmed using E-test...
January 2018: Saudi Medical Journal
https://www.readbyqxmd.com/read/29331619/mycoplasma-pneumoniae-and-toll-like-receptors-a-mutual-avenue
#14
REVIEW
M Naghib, M Hatam-Jahromi, M Niktab, R Ahmadi, A Kariminik
Mycoplasma pneumoniae is an intracellular bacterium leading to several complications in humans. M. pneumoniae is cleared in some cases and induces complications in others. The main responsible mechanisms regarding the controversy are yet to be cleared. Toll-like receptors (TLRs) are the important cell membrane and intracellular receptors which recognize a wide range of microbial macromolecules. The roles of TLRs in the eradication of several pathogens and also induction of their related complications have been demonstrated...
January 10, 2018: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29331370/preparation-and-evaluation-of-antibacterial-potential-of-pithecellobium-dulce-root-extract-against-gram-positive-and-gram-negative-bacteria
#15
Muneer Ahmad Bhat, Rayees Ahmad Malik, Poonam Prakash, Ali Mohd Lone
In the present study hexane, benzene, ethyl acetate and ethanol extracts of Pithecellobium dulce root were prepared using soxhlet extractor. The extracts were evaluated for antibacterial activity against one Gram positive (Staphylococcus aureus) and three Gram negative (Acetobacter aceti, Acetobacter aceti, Klebsiella pneumoniae) strains. Disc diffusion method revealed promising antibacterial activity of the extracts prepared in polar solvents (ethyl acetate and ethanol) compared to non-polar solvents (hexane and benzene)...
January 10, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29330835/international-guidelines-for-groin-hernia-management
#16
(no author information available yet)
INTRODUCTION: Worldwide, more than 20 million patients undergo groin hernia repair annually. The many different approaches, treatment indications and a significant array of techniques for groin hernia repair warrant guidelines to standardize care, minimize complications, and improve results. The main goal of these guidelines is to improve patient outcomes, specifically to decrease recurrence rates and reduce chronic pain, the most frequent problems following groin hernia repair. They have been endorsed by all five continental hernia societies, the International Endo Hernia Society and the European Association for Endoscopic Surgery...
January 12, 2018: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/29330709/in-vitro-and-in-vivo-activity-of-iclaprim-a-diaminopyrimidine-compound-and-potential-therapeutic-alternative-against-pneumocystis-pneumonia
#17
E M Aliouat, E Dei-Cas, N Gantois, M Pottier, C Pinçon, S Hawser, A Lier, D B Huang
Pneumocystis pneumonia is a serious complication that may affect immunosuppressed patients. The absence of reliable and safe therapeutic alternatives to trimethoprim-sulfamethoxazole (TMP/SMX) justifies the search for more effective and less toxic agents. In this study, the in vitro and in vivo anti-Pneumocystis jirovecii activity of iclaprim, a diaminopyrimidine compound that exerts its antimicrobial activity through the inhibition of dihydrofolate reductase (DHFR), as does TMP, was evaluated alone or in combination with SMX...
January 12, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29330348/weak-epistasis-may-drive-adaptation-in-recombining-bacteria
#18
Brian J Arnold, Michael U Gutmann, Yonatan H Grad, Samuel K Sheppard, Jukka Corander, Marc Lipsitch, William P Hanage
The impact of epistasis on the evolution of multilocus traits depends on recombination. While sexually-reproducing eukaryotes recombine so frequently that epistasis between polymorphisms is not considered to play a large role in short-term adaptation, many bacteria also recombine, some to the degree that their populations are described as 'panmictic' or 'freely recombining'. However, whether this recombination is sufficient to limit the ability of selection to act on epistatic contributions to fitness is unknown...
January 12, 2018: Genetics
https://www.readbyqxmd.com/read/29329916/impact-of-the-international-nosocomial-infection-control-consortium-s-multidimensional-approach-on-rates-of-ventilator-associated-pneumonia-in-14-intensive-care-units-in-11-hospitals-of-5-cities-within-argentina
#19
Victor Daniel Rosenthal, Javier Desse, Diego Marcelo Maurizi, Gustavo Jorge Chaparro, Pablo Wenceslao Orellano, Viviana Chediack, Rafael Cabrera, Daniel Golschmid, Cristina Graciela Silva, Julio Cesar Vimercati, Juan Pablo Stagnaro, Ivanna Perez, María Laura Spadaro, Adriana Miriam Montanini, Dina Pedersen, Teresa Laura Paniccia, Ana María Ríos Aguilera, Raul Cermesoni, Juan Ignacio Mele, Ernesto Alda, Analía Edith Paldoro, Agustín Román Ortta, Bettina Cooke, María Cecilia García, Mora Nair Obed, Cecilia Verónica Domínguez, Pablo Alejandro Saúl, María Cecilia Rodríguez Del Valle, Alberto Claudio Bianchi, Gustavo Alvarez, Ricardo Pérez, Carolina Oyola
BACKGROUND: To analyze the impact of the International Nosocomial Infection Control Consortium (INICC) multidimensional approach (IMA) on ventilator-associated pneumonia (VAP) rates in 11 hospitals within 5 cities of Argentina from January 2014-April 2017. METHODS: A multicenter, prospective, before-after surveillance study was conducted through the use of International Nosocomial Infection Control Consortium Surveillance Online System. During baseline, we performed outcome surveillance of VAP applying the definitions of the Centers for Disease Control andPrevention's National Healthcare Safety Network...
January 9, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29329823/atypical-presentation-of-cmv-pneumonia-in-a-heart-transplant-patient
#20
S Boussouar, L Campedel, P Dacosta Noble, M W Turki, J Calvo, V Pourcher, C Rolland-Debord
No abstract text is available yet for this article.
January 9, 2018: Médecine et Maladies Infectieuses
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