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Pneumonia etiology

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https://www.readbyqxmd.com/read/28528140/maternal-and-neonatal-outcomes-of-respiratory-failure-during-pregnancy
#1
Chen-Yiu Hung, Han-Chung Hu, Li-Chung Chiu, Chih-Hao Chang, Li-Fu Li, Chung-Chi Huang, Chuan-Chi Kao, Po-Jen Cheng, Kuo-Chin Kao
BACKGROUND: Obstetric patients comprise a limited portion of intensive care unit patients, but they often present with unfamiliar conditions and exhibit the potential for catastrophic deterioration. This study evaluated the maternal and neonatal outcomes of respiratory failure during pregnancy. METHODS: Information on 71 patients at >25 weeks gestation in the ICU with respiratory failure was recorded between 2009 and 2013. The characteristics and outcomes of mothers and fetuses were determined through a retrospective chart review and evaluated using Student's t test, chi-square test, and Fisher's exact test...
May 17, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28527970/frequency-of-respiratory-viruses-among-patients-admitted-to-26-intensive-care-units-in-seven-consecutive-winter-spring-seasons-2009-2016-in-northern-italy
#2
Antonio Piralla, Bianca Mariani, Francesca Rovida, Fausto Baldanti
BACKGROUND: The role of respiratory viruses in the etiology of community-acquired pneumonia (CAP) is still debated. The advent of molecular assays has improved the identification of viruses in patients with CAP and according to published studies, viruses account for 11-55% of adult CAP cases. OBJECTIVES AND STUDY DESIGN: In the present study, the frequency of respiratory viruses was evaluated in respiratory samples collected from 414 patients with CAP admitted to 26 ICUs in the Lombardy Region (10 million inhabitants) during seven winter-spring seasons (2009-2016)...
May 8, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28526059/severe-polyserositis-induced-by-the-13-valent-pneumococcal-conjugate-vaccine-a-case-report
#3
Pierre Tawfik, Elie Gertner, Charlene E McEvoy
BACKGROUND: The United States Advisory Committee on Immunization Practices recommends administration of the 13-valent pneumococcal conjugate vaccine in series with the 23-valent pneumococcal polysaccharide vaccine for prevention of pneumonia in the elderly. Reports of autoimmune or auto-inflammatory diseases as a result of pneumococcal vaccination, especially pneumococcal conjugate vaccine, are extremely rare. CASE PRESENTATION: We present a case of severe serositis in a 75-year-old Caucasian woman complicated by pericardial and pleural effusions in the setting of recent 13-valent pneumococcal conjugate vaccine vaccination and no other obvious etiology...
May 20, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28526018/infection-mediated-asthma-etiology-mechanisms-and-treatment-options-with-focus-on-chlamydia-pneumoniae-and-macrolides
#4
REVIEW
Wilmore C Webley, David L Hahn
Asthma is a chronic respiratory disease characterized by reversible airway obstruction and airway hyperresponsiveness to non-specific bronchoconstriction agonists as the primary underlying pathophysiology. The worldwide incidence of asthma has increased dramatically in the last 40 years. According to World Health Organization (WHO) estimates, over 300 million children and adults worldwide currently suffer from this incurable disease and 255,000 die from the disease each year. It is now well accepted that asthma is a heterogeneous syndrome and many clinical subtypes have been described...
May 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28520948/relationship-between-body-mass-index-and-outcomes-among-hospitalized-patients-with-community-acquired-pneumonia
#5
Anna M Bramley, Carrie Reed, Lyn Finelli, Wesley H Self, Krow Ampofo, Sandra R Arnold, Derek J Williams, Carlos G Grijalva, Evan J Anderson, Chris Stockmann, Christopher Trabue, Sherene Fakhran, Robert Balk, Jonathan A McCullers, Andrew T Pavia, Kathryn M Edwards, Richard G Wunderink, Seema Jain
Background: The effect of body mass index (BMI) on community-acquired pneumonia (CAP) severity is unclear. Methods: We investigated the relationship between BMI and CAP outcomes [hospital length of stay (LOS), intensive care unit (ICU) admission, and invasive mechanical ventilation] in hospitalized CAP patients from the CDC Etiology of Pneumonia in the Community (EPIC) study, adjusting for age, demographics, underlying conditions, and smoking status (adults only)...
May 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28516828/impact-on-the-medical-decision-making-process-of-multiplex-pcr-assay-for-respiratory-pathogens
#6
A Guillon, S Aymeric, C Gaudy-Graffin, J Sonke, M P Deblonde, J Capsec, P Diot, D Garot, A Goudeau, L Grammatico-Guillon
The objective of this study was to determine how clinicians make use of the modern multiplex PCR assays (MPAs) to manage patients hospitalized for community-acquired pneumonia (CAP). We studied the use of MPAs in 1648 patients hospitalized for CAP over a 3-year period at the moment of the setup of the new PCR assay. We observed that the use of MPAs for the identification of multiple respiratory pathogens marks a radical change in the investigation of CAP etiology. Surprisingly, the contribution of MPAs to the medical decision-making process varies drastically according to the units of care...
May 18, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28516132/life-threatening-hypercalcemia-during-prodrome-of-pneumocystis-jiroveci-pneumonia-in-an-immunocompetent-infant
#7
Judith Sebestyen VanSickle, Tarak Srivastava, Uri S Alon
Severe hypercalcemia in infants is usually attributed to genetic etiologies and less commonly to acquired ones. An 8-week-old girl presented with failure to thrive, mild respiratory distress, and life-threatening hypercalcemia (23.5 mg/dL). Serum 1,25(OH)2-vitamin D (1,25(OH)2-D) level was elevated and parathyroid hormone undetectable. Evaluation for genetic mutations and malignant etiologies of hypercalcemia was negative. Treatment with intravenous hydration, loop diuretic, and calcitonin failed to correct the hypercalcemia, which was subsequently controlled with bisphosphonate therapy...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28515602/respiratory-multiplex-polymerase-chain-reaction-an-important-diagnostic-tool-in-immunocompromised-patients
#8
Amarjeet Kaur, Navin Kumar, Sharmila Sengupta, Yatin Mehta
BACKGROUND: Viruses and atypical pathogens can cause significant respiratory illness in immunocompromised patients. Multiplex polymerase chain reaction (MPCR) has improved the diagnostic yield of pathogens, and it is easier to identify the co-infections also. The present study was done to evaluate the performance of MPCR on bronchoalveolar lavage (BAL) samples in immunocompromised patients. METHODS: Atotal of 177 BAL specimens collected over a 19 months period from immunocompromised patients with respiratory illness were analyzed with the MPCR and aerobic culture...
April 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28511165/susceptibility-of-streptococcus-pneumoniae-to-fluoroquinolones-and-macrolides-in-upper-respiratory-tract-infections
#9
Yaroslav O Mykhalko, Tetyana V Duhovych, Pavlo P Kish
INTRODUCTION: Streptococcal species are known as the most common cause of bacterial upper respiratory tract infections (URTI). Once bacterial infection is diagnosed it demands empirical antibiotic prescription. On the other hand antimicrobial resistance is a global burden in today's medicine. For that reason, knowing of antimicrobial susceptibility patterns in population is an important background for successful treatment of bacterial caused URTI. The aim of this study was to analyze S...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28503927/infectious-complications-in-chronic-lymphocytic-leukemia-a-retrospective-analysis-single-institution-experience
#10
L Demitrovicova, E Mikuskova, I Oravcova, S Cingelova, L Drgona, B Mladosievicova
The aim of this study was to evaluate the incidence of a variety of infectious complications in patients with CLL regarding the duration of CLL and the type of treatment. We present the retrospective analysis of patients with CLL treated at our institution in years 2004-2016. We collected data about the type of infection, pathogenes, treatment and severity of infections surpassed in connection with administration treatment. In the study one hundred and ten patients were evaluated. The average age of patients was 61...
2017: Neoplasma
https://www.readbyqxmd.com/read/28503304/clinico-pathologic-presentation-of-hypersensitivity-pneumonitis-in-egyptian-patients-a-multidisciplinary-study
#11
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/28496015/determining-the-possible-etiology-of-hospital-acquired-pneumonia-using-a-clone-library-analysis-in-japan
#12
Kazuhiro Yatera, Shingo Noguchi, Kei Yamasaki, Toshinori Kawanami, Kazumasa Fukuda, Keisuke Naito, Kentaro Akata, Takashi Kido, Hiroshi Ishimoto, Noriho Sakamoto, Hatsumi Taniguchi, Hiroshi Mukae
Obtaining precise etiological information regarding causative bacteria is important for the proper use of antimicrobials in hospital-acquired pneumonia (HAP), which is associated with a high rate of mortality. The aim of this study was to comparatively investigate the bacterial diversity in bronchoalveolar lavage fluid (BALF) in Japanese patients with HAP by the clone library method using the 16S rRNA gene. This study included Japanese patients with HAP who were treated at our hospital and referring hospitals...
May 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28494930/a-ros-dependent-and-caspase-3-mediated-apoptosis-in-sheep-bronchial-epithelial-cells-in-response-to-mycoplasma-ovipneumoniae-infections
#13
Di Xue, Yanan Li, Zhongjia Jiang, Guangcun Deng, Min Li, Xiaoming Liu, Yujiong Wang
Mycoplasma Ovipneumoniae (M. ovipneumoniae) is a primary etiological agent of enzootic pneumonia in sheep and goats. It can enter and colonize ovine respiratory epithelial cells to establish an infection, which leads a serious cell death of epithelial cells. However, the nature of the interaction between pathogen of M. ovipneumoniae and host cells in the cell injury is currently not well understood. In this study, we investigated the epithelial cell apoptosis caused by an infection of M. ovipneumoniae in sheep primary air-liquid interface (ALI) epithelial cultures...
May 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28493298/organizing-pneumonia-as-an-extraintestinal-manifestation-of-crohn-s-disease-in-a-child
#14
Kenji Inoue, Takashi Kusunoki, Tatsuya Fujii
Crohn's disease (CD) is a chronic inflammatory disorder with an unknown etiology that commonly involves the gastrointestinal tract, and bronchopulmonary manifestations only occur in 0.4% of cases. There have not been any reports about pulmonary involvement in pediatric CD patients. We experienced a 14-year-old boy with Crohn's disease diagnosed with organizing pneumonia by chest CT-guided biopsy examination. His pneumonia was intractable despite the administration of multiple antibiotics, and steroid therapy was very effective...
May 10, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28493038/perioperative-implications-of-thoracic-decortications-a-retrospective-cohort-study
#15
Jay Gorman, Duane Funk, Sadeesh Srinathan, John Embil, Linda Girling, Stephen Kowalski
PURPOSE: An increasing number of thoracic decortications have been performed in Manitoba, from five in 2007 to 45 in 2014. The primary objective of this study was to define the epidemiology of decortications in Manitoba. The secondary objective was to compare patients who underwent decortication due to primary infectious vs non-infectious etiology with respect to their perioperative outcomes. METHODS: Data for this cohort study were extracted from consecutive charts of all adult patients who underwent a decortication in Manitoba from 2007-2014 inclusive...
May 10, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28491877/nodular-regenerative-hyperplasia-a-case-of-rare-prognosis
#16
Mindy Lee, Manhal Izzy, Ashwin Akki, Kathryn Tanaka, Harmit Kalia
Introduction: Nodular regenerative hyperplasia (NRH) is a known etiology of noncirrhotic portal hypertension. Cases of biopsy-proven NRH in human immunodeficiency virus (HIV)-positive patients have been described. While these patients often have normal synthetic liver function, several reports described disease progression to liver failure. Case: We here present a 26-year-old woman with history of congenital HIV on antiretroviral therapy complicated by Pneumocystis carinii pneumonia at age 14. CD4 counts have been >300 with undetectable viral load...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28491442/respiratory-distress-associated-with-lungworm-infection-in-a-kitten
#17
Melissa M Hawley, Lynelle R Johnson, Donato Traversa, Dan Bucy, Karen M Vernau, William Vernau
CASE SUMMARY: A 5-month-old feral kitten developed worsening respiratory signs, including tachypnea, coughing and wheezing after standard anthelmintic treatment with fenbendazole at a local shelter. The kitten was referred to the University of California, Davis, William R Pritchard Veterinary Medicine Teaching Hospital for further evaluation. Thoracic radiographs revealed a severe diffuse bronchointerstitial pattern with bronchial cuffing, ill-defined nodules and lymphadenomegaly. Differentials included infectious etiologies such as toxoplasmosis, feline infectious peritonitis and cryptococcosis...
July 2016: JFMS Open Rep
https://www.readbyqxmd.com/read/28483256/infectious-complications-of-pediatric-cochlear-implants-are-highly-influenced-by-otitis-media
#18
Peter M Vila, Nsangou T Ghogomu, Audrey R Odom-John, Timothy E Hullar, Keiko Hirose
OBJECTIVE: Determine the incidence of ear infections in cochlear implant patients, evaluate the contribution of otitis media to complications, describe the bacteriology of otitis media in the cochlear implant population, the treatment provided at our center, and the long term outcome. METHODS: Data collected included age at implantation, history of otitis media or ear tubes, etiology of hearing loss, inner ear anatomy, postoperative infections, time to infection, route of antibiotic administration, and interventions for infections...
June 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28474648/a-prospective-study-of-ventilator-associated-tracheobronchitis-incidence-and-etiology-in-intensive-care-unit-of-a-tertiary-care-hospital
#19
Ujjwayini Ray, Suresh Ramasubban, Chandrashish Chakravarty, Lawni Goswami, Soma Dutta
CONTEXT: Ventilator-associated tracheobronchitis (VAT) is an infective complication of mechanical ventilation and is a part of the spectrum of ventilator-associated respiratory infections. In the Intensive Care Units (ICUs), VAT is a relatively common problem but in comparison to ventilator-associated pneumonia (VAP), much less data are available on VAT and its management. MATERIALS AND METHODS: Patients ventilated for more than 48 hours were screened daily for the development of VAT...
May 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28462212/animal-models-of-hospital-acquired-pneumonia-current-practices-and-future-perspectives
#20
REVIEW
Kenny Bielen, Bart 's Jongers, Surbhi Malhotra-Kumar, Philippe G Jorens, Herman Goossens, Samir Kumar-Singh
Lower respiratory tract infections are amongst the leading causes of mortality and morbidity worldwide. Especially in hospital settings and more particularly in critically ill ventilated patients, nosocomial pneumonia is one of the most serious infectious complications frequently caused by opportunistic pathogens. Pseudomonas aeruginosa is one of the most important causes of ventilator-associated pneumonia as well as the major cause of chronic pneumonia in cystic fibrosis patients. Animal models of pneumonia allow us to investigate distinct types of pneumonia at various disease stages, studies that are not possible in patients...
March 2017: Annals of Translational Medicine
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