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necrotizing pneumonia

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https://www.readbyqxmd.com/read/28503304/clinico-pathologic-presentation-of-hypersensitivity-pneumonitis-in-egyptian-patients-a-multidisciplinary-study
#1
Dalia Abd El-Kareem, Yosri M Akl, Gina A Nakhla, Ali A Elhindawi, Mahmoud A Eltorky
BACKGROUND: Hypersensitivity pneumonitis (HP) is a common diffuse parenchymal lung disease in Egypt which can be difficult to recognize due to the dynamic symptoms & associated environmental factors. METHODS: Forty-three Egyptian patients were enrolled in this study, presenting with dyspnea and cough, predominant ground-glass opacity (GGO) in high-resolution computed tomography (HRCT) where lung biopsy was needed to establish the diagnosis. RESULTS: The age range was 15 to 60 years...
2017: Multidisciplinary Respiratory Medicine
https://www.readbyqxmd.com/read/28492181/coinfection-by-streptococcus-phocae-and-cetacean-morbillivirus-in-a-short-beaked-common-dolphin-delphinus-delphis
#2
J Díaz-Delgado, E Sierra, A I Vela, M Arbelo, D Zucca, K R Groch, A Fernández
We describe gross, histopathological, and immunohistochemical features of Streptococcus phocae and cetacean morbillivirus coinfection in a short-beaked common dolphin Delphinus delphis. Major gross findings were cutaneous purulent nodules in the tail fluke, vegetative mitral valve endocarditis, and presumed postpartum pyometra. Histologic examination revealed bacterial septicemia characterized by widespread intravascular coccoid bacterial emboli. These were associated with fibrinonecrotizing to pyogranulomatous dermatitis and panniculitis, embolic pneumonia, neutrophilic and lymphoplasmacytic meningochoroiditis, random neutrophilic hepatitis, lymphoplasmacytic myocarditis and epicarditis, necrotizing adrenalitis, suppurative endometritis, and multicentric reactive lymphadenopathy...
May 11, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28469499/a-case-of-statin-associated-autoimmune-myopathy
#3
Alexander J Sweidan, Anthony Leung, Cassandra J Kaiser, Sarah J Strube, Andrei N Dokukin, Stephen Romansky, Sassan Farjami
A 70-year-old previously independent man developed progressive proximal leg weakness resulting in a fall at home suffering traumatic brain injury. He was prescribed a statin medication two years prior, but this was discontinued on admission to the hospital due to concern for statin myopathy. His weakness continued to progress while in acute rehabilitation, along with the development of dysphagia requiring placement of gastrostomy tube and respiratory failure requiring tracheostomy. Corticosteroids and intravenous immunoglobulin were administered without response...
2017: Clinical Medicine Insights. Case Reports
https://www.readbyqxmd.com/read/28468740/necrotizing-fasciitis-caused-by-streptococcus-pneumoniae
#4
Shino Minami, Takeshi Nakanishi, Megumi Kishita, Bin Chang, Yutaka Eguchi, Toshihiro Tanaka, Noriki Fujimoto
No abstract text is available yet for this article.
May 3, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28464580/-analysis-of-the-spectrum-and-resistance-of-pathogen-causing-sepsis-in-patients-with-severe-acute-pancreatitis
#5
H X Ma, L He, S W Cai, X L Xin, H D Shi, L Zhou, X J Shi
Objective: To investigate the characteristics of spectrum and drug resistance of pathogens causing sepsis in patients with severe acute pancreatitis(SAP). Methods: The clinical data of 63 SAP patients with sepsis admitted in Department of Hepatobiliary, People's Liberation Army General Hospital from January 2014 to December 2015 were retrospectively studied. There were 47 males and 16 females, aged from 22 to 73 years, with an average age of (52±11)years. Samples were collected mainly from: (1)pancreatic and peripancreatic necrosis and abdominal drainage; (2)bile; (3) blood or deep venous catheter; (4) sputum and tracheal catheter and thoracic drainage; (5) urine...
May 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28450472/paneth-cell-disruption-induced-necrotizing-enterocolitis-requires-live-bacteria-and-occurs-independent-of-tlr4-signaling
#6
Jessica R White, Huiyu Gong, Brock Pope, Patrick Schlievert, Steven J McElroy
OBJECTIVE: Necrotizing enterocolitis (NEC) remains a leading cause of morbidity and mortality in premature infants. Both human surgical specimens and animal models suggest a potential involvement of Paneth cells in NEC pathogenesis. Paneth cells play critical roles in epithelial homeostasis, innate immunity, and host-microbial interactions. Yet, the complex interplay between Paneth cell disruption, epithelial barrier dysfunction, and microbial-driven inflammation remains unclear in the immature intestine...
April 27, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28439062/a-rare-case-of-necrotizing-myopathy-and-fibrinous-and-organizing-pneumonia-with-anti-ej-antisynthetase-syndrome-and-ssa-antibodies
#7
Muhammad Kashif, Divya Arya, Masooma Niazi, Misbahuddin Khaja
BACKGROUND Idiopathic inflammatory myopathies are autoimmune disorders that can involve the skin, joints, muscles, and lungs. The most common of these disorders are dermatomyositis, polymyositis, overlap syndrome, and inclusion body myositis. Necrotizing autoimmune myopathy is an idiopathic inflammatory myopathy that is rarely associated with Sjögren's syndrome. The most common lung findings associated with anti-EJ antisynthetase syndrome are nonspecific interstitial pneumonia and usual interstitial pneumonia; this condition is rarely associated with fibrinous and organizing pneumonia...
April 25, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28424790/development-of-isothermal-recombinase-polymerase-amplification-assay-for-rapid-detection-of-porcine-circovirus-type-2
#8
Yang Yang, Xiaodong Qin, Yingjun Sun, Guozheng Cong, Yanmin Li, Zhidong Zhang
Porcine circovirus virus type II (PCV2) is the etiology of postweaning multisystemic wasting syndrome (PMWS), porcine dermatitis, nephropathy syndrome (PDNS), and necrotizing pneumonia. Rapid diagnosis tool for detection of PCV2 plays an important role in the disease control and eradication program. Recombinase polymerase amplification (RPA) assays using a real-time fluorescent detection (PCV2 real-time RPA assay) and RPA combined with lateral flow dipstick (PCV2 RPA LFD assay) were developed targeting the PCV2 ORF2 gene...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28409118/isolated-streptococcus-intermedius-pulmonary-nodules
#9
Stephen Catalya, Bushra Komal, Sunil Tulpule, Nazar Raoof, Shuvendu Sen
Streptococcus intermedius, a member of the Streptococcal anginosus group of alpha-hemolytic streptococci, remains a notable infectious agent causing necrotizing pneumonia and abscesses. We report a case of a young male with pulmonary nodules found to have Streptococcus intermedius and no other underlying hepatic or dental history who was treated with ceftriaxone and avoided surgical intervention. A review of the literature reveals cases that are typically treated with a combined surgical and medical approach...
2017: IDCases
https://www.readbyqxmd.com/read/28409111/a-rare-case-of-raoultella-planticola-pneumonia-an-emerging-pathogen
#10
Donevan Westerveld, Jonathan Hussain, Almotasembellah Aljaafareh, Ali Ataya
Raoultella planticola (R. planticola), considered an environmental organism, is a gram negative, motile, bacillus with phenotypic similarities to the genus Klebsiella. The organism remains a rare cause of human infection with a few cases reported in the literature. However, since its description in 1981 there have been increasing rates of infections caused by R. planticola with reports of conjunctivitis, liver abscess, cholangitis, pancreatitis, and necrotizing fasciitis. More concerning are reports of carbapenemase-producing isolates which have led to the only 2 mortalities associated with R...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28389347/patho-bacteriological-investigation-of-an-outbreak-of-mycoplasma-bovis-infection-in-calves-emerging-stealth-assault
#11
Fazal Mahmood, Ahrar Khan, Riaz Hussain, Imtiaz Ahmad Khan, Rao Zahid Abbas, Hafiz Muhammad Ali, Muhammad Younus
Mycoplasma bovis (M. bovis) is an important bacterium, causing severe respiratory infection, and arthritis in dairy animals worldwide. This study is based on 50 suckling calves among which 15 showed respiratory distress, lameness and swollen joints and died later. M. bovis was isolated and identified from all dead (n = 15) and live (17.14%; 06 out of 35) calves on the basis of bacteriological examination. In morbid calves, the carpus and stifle joints were severely affected, while necropsy revealed multiple well-circumscribed calcified abscesses and caseous exudates in cranio-ventral and diaphragmatic lobes of lungs...
April 4, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28371525/risk-factors-for-mortality-in-children-with-pneumonia-admitted-to-the-pediatric-intensive-care-unit
#12
Jia Wen Janine Cynthia Koh, Judith Ju-Ming Wong, Rehena Sultana, Petrina Poh Chen Wong, Yee Hui Mok, Jan Hau Lee
AIMS: To describe the epidemiology of children with severe pneumonia and identify risk factors for poor outcomes. METHODS: We conducted a retrospective study of children admitted to pediatric intensive care unit (PICU) from 2010 to 2014 with a diagnosis of pneumonia. Clinical microbiological, ventilation and other pertinent PICU data were collected. Primary outcome was PICU mortality. Univariate and multivariate logistic regression model were used to identify risk factors for mortality...
April 3, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28362356/severe-pneumonia-caused-by-influenza-a-h1n1-virus-successfully-managed-with-extracorporeal-life-support-in-a-comorbid-former-preterm-infant
#13
Genny Raffaeli, Giacomo Cavallaro, Lorenza Pugni, Ernesto Leva, Andrea Artoni, Simona Neri, Chiara Baracetti, Mauro Cotza, Valerio Gentilino, Leonardo Terranova, Susanna Esposito, Fabio Mosca
Influenza A (H1N1) virus infection is a global health burden, leading to significant pediatric morbidity and mortality. Prematurity, young age and comorbidities are important risk factors for unfavorable outcomes. Preventive strategies, such as healthcare workers and household contacts vaccination as well as the implementation of infection control practices during the epidemic season, are crucial to protect the most vulnerable populations. Early diagnosis, timely administration of antiviral drugs and supportive therapy are crucial to lead to a complete recovery...
March 31, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28336122/familial-acute-necrotizing-encephalopathy-with-ranbp2-mutation-the-first-report-in-northeast-asia
#14
Yun-Jeong Lee, Su-Kyeong Hwang, So Mi Lee, Soonhak Kwon
BACKGROUND: Acute necrotizing encephalopathy (ANE) is a rare but rapidly progressing encephalopathy following a febrile illness, commonly a viral infection. It is characterized by the features of acute encephalopathy such as seizure, alteration of consciousness, and symmetric involvement of the bilateral thalamus on neuroimaging tests. Although most ANE cases have occurred sporadically, familial or recurrent ANE has been reported in Caucasian patients, with genetic susceptibility to ANE noted in some patients due to a RANBP2 mutation...
March 20, 2017: Brain & Development
https://www.readbyqxmd.com/read/28325626/group-b-streptococcal-necrotizing-pneumonia-in-a-diabetic-adult-patient
#15
Andrea Pacha, Ramiro Luna Cian, Laura Bonofiglio, Melisa Solari, Virginia Strada, Mariana Suárez, Laura Vigliarolo, Carina Tersigni, Marta Mollerach, Horacio Lopardo
The aim of this report is to describe a rare case of necrotizing pneumonia due to group B Streptococcus serotype III in a relatively young male adult (48 years old) suffering from diabetes. The organism was isolated from his pleural fluid and was only resistant to tetracycline. The patient first received ceftazidime (2g/8h i.v.)+clindamycin (300mg/8h) for 18 days and then he was discharged home and orally treated with amoxicillin clavulanic acid (1g/12h) for 23 days with an uneventful evolution. As in the cases of invasive infection by Streptococcus pyogenes, clindamycin could prevent streptococcal toxic shock syndrome...
March 18, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28302073/image-quality-improvement-using-model-based-iterative-reconstruction-in-low-dose-chest-ct-for-children-with-necrotizing-pneumonia
#16
Jihang Sun, Tong Yu, Jinrong Liu, Xiaomin Duan, Di Hu, Yong Liu, Yun Peng
BACKGROUND: Model-based iterative reconstruction (MBIR) is a promising reconstruction method which could improve CT image quality with low radiation dose. The purpose of this study was to demonstrate the advantage of using MBIR for noise reduction and image quality improvement in low dose chest CT for children with necrotizing pneumonia, over the adaptive statistical iterative reconstruction (ASIR) and conventional filtered back-projection (FBP) technique. METHODS: Twenty-six children with necrotizing pneumonia (aged 2 months to 11 years) who underwent standard of care low dose CT scans were included...
March 16, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28289673/chronic-suppurative-lung-disease-in-children-definition-and-spectrum-of-disease
#17
REVIEW
Gregory J Redding, Edward R Carter
The most common clinical suppurative lung conditions in children are empyema, lung abscess, and bronchiectasis, and to a less often necrotizing pneumonia. Until recently, bronchiectasis was the most common form of persistent suppurative lung disease in children. Protracted bacterial bronchitis is a newly described chronic suppurative condition in children, which is less persistent but more common than bronchiectasis (1). In addition, the term "chronic suppurative lung disease" has been used recently to describe the clinical features of bronchiectasis when the radiographic features needed to make a diagnosis of bronchiectasis are absent...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28273858/use-of-a-pan-genomic-dna-microarray-in-determination-of-the-phylogenetic-relatedness-among-cronobacter-spp-and-its-use-as-a-data-mining-tool-to-understand-cronobacter-biology
#18
REVIEW
Ben D Tall, Jayanthi Gangiredla, Christopher J Grim, Isha R Patel, Scott A Jackson, Mark K Mammel, Mahendra H Kothary, Venugopal Sathyamoorthy, Laurenda Carter, Séamus Fanning, Carol Iversen, Franco Pagotto, Roger Stephan, Angelika Lehner, Jeffery Farber, Qiong Q Yan, Gopal R Gopinath
Cronobacter (previously known as Enterobacter sakazakii) is a genus of Gram-negative, facultatively anaerobic, oxidase-negative, catalase-positive, rod-shaped bacteria of the family Enterobacteriaceae. These organisms cause a variety of illnesses such as meningitis, necrotizing enterocolitis, and septicemia in neonates and infants, and urinary tract, wound, abscesses or surgical site infections, septicemia, and pneumonia in adults. The total gene content of 379 strains of Cronobacter spp. and taxonomically-related isolates was determined using a recently reported DNA microarray...
March 4, 2017: Microarrays
https://www.readbyqxmd.com/read/28271647/mycobacterium-kansasii-pneumonia-with-mediastinal-lymphadenitis-in-a-patient-with-acute-myeloid-leukemia-successful-treatment-to-stem-cell-transplantation
#19
Yeon Geun Choi, Sung Yeon Cho, Dong Gun Lee, Eunjung Yim, Hyonsoo Joo, Seongyul Ryu, Jae Ki Choi, Hee Je Kim
Non-tuberculous mycobacterial (NTM) disease is a relatively rare cause of neutropenic fever in patients with hematologic malignancies. During the neutropenic period, performing invasive procedures for microbiological or pathological confirmation is difficult. In addition, the optimal treatment duration for NTM disease in patients with leukemia, especially prior to stem cell transplantation (SCT), has not been documented. Therefore, we report a case of pneumonia with necrotizing lymphadenitis caused by Mycobacterium kansasii diagnosed during chemotherapy being performed for acute myeloid leukemia...
March 2017: Infection & Chemotherapy
https://www.readbyqxmd.com/read/28257985/microbiological-aspects-of-fournier-s-gangrene
#20
Tuncay Yilmazlar, Baris Gulcu, Ozgen Isik, Ersin Ozturk
BACKGROUND: Fournier's gangrene (FG) is a devastating disease that is characterized by necrotizing fasciitis of the perineal, genital, or perianal region. Broad-spectrum antibiotics are the key component of its treatment. However, there is paucity of data regarding the optimal empirical antibiotherapy for FG. MATERIALS AND METHODS: Data from patients who underwent surgery for FG between January 2007 and December 2012 were retrieved from a prospectively collected departmental FG database...
April 2017: International Journal of Surgery
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