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Pneumonia etiology

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https://www.readbyqxmd.com/read/28335406/factors-that-negatively-affect-the-prognosis-of-pediatric-community-acquired-pneumonia-in-district-hospital-in-tanzania
#1
Serena Caggiano, Nicola Ullmann, Elisa De Vitis, Marzia Trivelli, Chiara Mariani, Maria Podagrosi, Fabiana Ursitti, Chiara Bertolaso, Carolina Putotto, Marta Unolt, Andrea Pietravalle, Paola Pansa, Kajoro Mphayokulela, Maria Incoronata Lemmo, Michael Mkwambe, Joseph Kazaura, Marzia Duse, Francesco Nieddu, Chiara Azzari, Renato Cutrera
Community-acquired pneumonia (CAP) is still the most important cause of death in countries with scarce resources. All children (33 months ± 35 DS) discharged from the Pediatric Unit of Itigi Hospital, Tanzania, with a diagnosis of CAP from August 2014 to April 2015 were enrolled. Clinical data were gathered. Dried blood spot (DBS) samples for quantitative real-time polymerase chain reaction (PCR) for bacterial detection were collected in all 100 children included. Twenty-four percent of patients were identified with severe CAP and 11% died...
March 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28330410/outcome-and-management-of-refractory-respiratory-failure-with-timely-extracorporeal-membrane-oxygenationsingle-center-experience-with-legionella-pneumonia
#2
Roberto Roncon-Albuquerque, Rodrigo Vilares-Morgado, Gert-Jan van der Heijden, João Ferreira-Coimbra, Paulo Mergulhão, José Artur Paiva
OBJECTIVE: To analyze the management and outcome of patients with refractory respiratory failure complicating severe Legionella pneumonia rescued with extracorporeal membrane oxygenation (ECMO) in our Center. DESIGN AND SETTING: Observational study of patients with refractory respiratory failure treated with ECMO in Hospital S.João (Porto, Portugal), between November 2009 and September 2016. PARTICIPANTS: A total of 112 patients rescued with ECMO, of which 14 had Legionella pneumonia...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28324273/acute-pancreatitis-caused-by-mycoplasma-pneumoniae-an-unusual-etiology
#3
Teresa Valdés Lacasa, María Alejandra Duarte Borges, Alicia García Marín, Covadonga Gómez Cuervo
It is well known that the most important etiologies of acute pancreatitis are gallstones and alcohol consumption. Once these causes have been ruled out, especially in young adults, it is important to consider less frequent etiologic factors such as drugs, trauma, malformations, autoimmunity or systemic diseases. Other rare and less well studied causes of this pathology are infections, among which Mycoplasma pneumoniae has been reported to cause acute pancreatitis as an unusual extrapulmonary manifestation. Here, we report the case of a 21-year-old patient who had acute idiopathic pancreatitis associated with an upper respiratory tract infection...
March 21, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28301552/radiological-characteristics-of-pulmonary-cryptococcosis-in-hiv-infected-patients
#4
Zhiliang Hu, Jun Chen, Juan Wang, Qingfang Xiong, Yandan Zhong, Yongfeng Yang, Chuanjun Xu, Hongxia Wei
BACKGROUND: Current understanding of human immunodeficiency virus (HIV)-associated pulmonary cryptococcosis (PC) is largely based on studies performed about 2 decades ago which reported that the most common findings on chest radiograph were diffuse interstitial infiltrates. Few studies are available regarding the computed tomography (CT) findings. The aim of this study was to characterize chest CT features of HIV-associated PC. METHODS: HIV patients with cryptococccal infection and pulmonary abnormalities on Chest CT between September 2010 and May 2016 in the Second Affiliated Hospital of the Southeast University were retrospectively analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28290951/pneumonia-at-marine-corps-recruit-depots-current-trends-in-ambulatory-encounters-and-inpatient-discharges
#5
Kristen Rossi, Gosia Nowak, Asha Jindal Riegodedios
BACKGROUND: Acute respiratory infections are recognized as a significant source of morbidity for military populations, particularly for recruits. This analysis aims to describe the pneumonia burden at Marine Corps Recruit Depots (MCRD) in Parris Island and San Diego during 2007-2014, as these two depots maintain noteworthy comparisons in vaccine and prophylaxis policies. First, both depots reinstated the adenovirus vaccine in October 2011. Second, San Diego provides the pneumococcal polysaccharide vaccine to all recruits within the first 2 days of arrival, although Parris Island does not routinely vaccinate for Streptococcus pneumoniae...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28284744/thoracic-complications-in-chronic-lymphocytic%C3%A2-leukemia
#6
Sameer Khanijo, Pragati Tandon, Cristina P Sison, Seth Koenig
BACKGROUND: Chronic lymphocytic leukemia (CLL) is the most common lymphoproliferative disorder worldwide. Although thoracic complications are frequent in CLL, only limited data exist regarding the etiologies of these complications. MATERIALS AND METHODS: A retrospective chart review was performed on all patients admitted to a tertiary care, CLL referral center, with CLL and a respiratory complaint from 2001 through 2013, to categorize pulmonary complaints and diagnoses...
February 17, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28283771/non-invasive-ventilation-for-acute-hypercapnic-respiratory-failure-in-older-patients
#7
Fatma Çiftci, Aydın Çiledağ, Serhat Erol, Akın Kaya
BACKGROUND: This trial was conducted to carry out an age and etiology-based analysis of the clinical efficacy of non-invasive ventilation (NIV) in acute hypercapnic respiratory failure (AHRF). METHODS: This single center, prospective, cohort study included patients aged ≥65 years with chronic obstructive pulmonary disease (COPD), acute cardiogenic pulmonary edema (ACPE), community-acquired pneumonia (CAP), bronchiectasis, and kyphoscoliosis, who were treated with NIV for AHRF in the intensive care unit within a 4-year period...
March 10, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28283007/-mortality-related-factors-in-patients-requiring-hospitalization-for-influenza-like-illness
#8
Lale Özışık, Mine Durusu Tanrıöver, Meral Çıblak Akçay, Kübra Yuntçu, Serhat Ünal, Selim Badur, Banu Çakır
The knowledge about the viral etiologies causing respiratory disease in adults is limited. Viral respiratory diseases may lead deterioration in certain patient populations. The aim of this study was to determine the viral etiologies of influenza-like illness among patients requiring hospitalization and to document the risk factors for mortality. This prospective study was performed in one of the 7 centers in Turkey in the context of influenza surveillance by the Global Influenza Hospital Surveillance Network...
January 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28282711/abdominal-pain-as-extrapulmonary-presentation-of-pneumonia-in-an-adult-a-case-report
#9
Hamid Emadi Koochak, Elnaz Tabibian, Shahram Rahimi Dehgolan
Pneumonia is considered as the main cause of abdominal pain in children whereas it presents mostly by respiratory symptoms in adults. Here we present a 71-year-old Iranian female who complained specifically of abdominal pain on admission to our emergency department. We had found nothing as an etiology in our first evaluations. After several hours chest pain was added to the symptoms and the following chest, X-Ray showed a consolidation in the right lung base. She was treated by pneumonia antibiotic regimen and discharged after seven days in a good clinical condition...
February 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28281094/clinical-features-and-inflammatory-markers-in-pediatric-pneumonia-a-prospective-study
#10
Are Stuwitz Berg, Christopher Stephen Inchley, Hans Olav Fjaerli, Truls Michael Leegaard, Morten Lindbaek, Britt Nakstad
In this prospective, observational study on previously healthy children <18 years, we aimed to study the diagnostic ability of clinical features and inflammatory markers to (i) predict pathologic chest radiography in suspected pneumonia and (ii) differentiate etiology in radiological proven pneumonia. In 394 cases of suspected pneumonia, 265 (67%) had radiographs consistent with pneumonia; 34/265 had proof of bacterial etiology. Of the cases, 86.5% had received pneumococcal conjugate vaccine. In suspected pneumonia, positive chest radiography was significantly associated with increasing C-reactive protein (CRP) values, higher age, and SpO2 ≤92% in multivariate logistic regression, OR 1...
March 9, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28272093/elevated-procalcitonin-is-associated-with-bacterial-infection-during-acute-liver-failure-only-when-unrelated-to-acetaminophen-intoxication
#11
Maxime Mallet, Maela Haq, Simona Tripon, Maguy Bernard, Hedi Benosman, Dominique Thabut, Marika Rudler
AIM: The aim of this study was to evaluate the accuracy of procalcitonin (PCT) in predicting bacterial infection and survival without transplantation upon admission in the ICU for acute liver failure (ALF). PATIENTS AND METHODS: From January 2009 until October 2015, all cases of ALF patients admitted in our ICU were retrospectively reviewed and included in the study if the PCT level upon admission was available. Patients with pre-existing liver pathology or ALF in a context of already advanced multiorgan failure were excluded...
March 7, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28272077/changing-trend-in-bacterial-etiology-and-antibiotic-resistance-in-sepsis-of-intramural-neonates-at-a-tertiary-care-hospital
#12
M P Roy, M Bhatt, V Maurya, S Arya, R Gaind, H K Chellani
BACKGROUND: Septicemia is an important cause of neonatal morbidity and mortality. However, organized data on causative organisms and their resistant pattern are scanty from developing countries. The changing trend in causative organisms and their antibiotic resistance is yet to be documented in India. The present study examines the trends in bacterial profile and antibiotic resistance of the organisms causing sepsis in hospitalized neonates. MATERIALS AND METHODS: A retrospective laboratory-based analysis of blood cultures obtained from Neonatal Intensive Care Unit of a tertiary care hospital in New Delhi was done for the period of 1999-2014, divided into five phases...
March 3, 2017: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/28270546/variability-in-antibiotic-prescribing-for-community-acquired-pneumonia
#13
Lori K Handy, Matthew Bryan, Jeffrey S Gerber, Theoklis Zaoutis, Kristen A Feemster
BACKGROUND AND OBJECTIVES: Published guidelines recommend amoxicillin for most children with community-acquired pneumonia (CAP), yet macrolides and broad-spectrum antibiotics are more commonly prescribed. We aimed to determine the patient and clinician characteristics associated with the prescription of amoxicillin versus macrolide or broad-spectrum antibiotics for CAP. METHODS: Retrospective cohort study in an outpatient pediatric primary care network from July 1, 2009 to June 30, 2013...
March 7, 2017: Pediatrics
https://www.readbyqxmd.com/read/28267276/hyponatremia-in-children-with-acute-respiratory-infections-a-reappraisal
#14
REVIEW
Camilla Lavagno, Gregorio P Milani, Peter Uestuener, Giacomo D Simonetti, Carmen Casaulta, Mario G Bianchetti, Pietro B Fare, Sebastiano A G Lava
Hyponatremia (<135 mmol/L), typically associated with an elevated anti-diuretic hormone level, is common among children admitted with bronchiolitis, pneumonia, or pulmonary exacerbation of cystic fibrosis. The main consequences of acute hyponatremia include cerebral edema and Ayus-Arieff pulmonary edema. A widespread belief is that, in children with pneumonia or bronchiolitis, hyponatremia results from inappropriate anti-diuresis. By contrast, the pathogenic role of extracellular fluid volume depletion or decreased effective circulating blood volume is underscored...
March 7, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28253409/enhancing-care-for-hospitalized-patients-with-parkinson-s-disease-development-of-a-formal-educational-program-for-nursing-staff
#15
Mary C DiBartolo
Although not generally a primary admission diagnosis, Parkinson's disease (PD) can be a significant comorbidity during hospitalization. Hospitalized individuals with PD can experience a variety of complications, such as confusion, pneumonia, and urinary infections. More than 20% of patients experience deterioration in symptoms and hospital stays are extended by an average of 4 days. Late, omitted, or inappropriate medications are frequent culprits leading to serious consequences, including falls and aspiration...
March 2, 2017: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/28250116/a-neonatal-murine-model-of-coxsackievirus-a6-infection-for-evaluation-of-antiviral-and-vaccine-efficacy
#16
Zhenjie Zhang, Zhaopeng Dong, Qingjuan Wei, Michael J Carr, Juan Li, Shujun Ding, Yigang Tong, Dong Li, Weifeng Shi
Hand, foot and mouth disease (HFMD) is a global health concern. Family Picornaviridae members, particularly enterovirus 71 (EVA71) and Coxsackievirus A16 (CVA16), are the primary etiological agents of HFMD, however, a third enterovirus A species, CoxsackievirusA6 (CVA6), has been recently associated with epidemic outbreaks. Study of the pathogenesis of CVA6 infection and development of antivirals and vaccines are hindered due to the lack of appropriate animal models. We have developed and characterized a murine model of CVA6 infection which was employed to evaluate the antiviral activities of different drugs and the protective efficacies of CVA6-inactivated vaccines...
March 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28247727/-changes-in-the-structure-of-pathogens-of-calculous-pyelonephritis-complicated-with-diabetes-mellitus-type-ii-in-the-hospital-urology-of-the-city-of-volgograd
#17
V I Petrov, A Z Vinarov, M A Vekilyan, N G Kulchenko
Among the diseases complicating the course of calculous pyelonephritis, are among the leaders of diabetes mellitus, which is associated with reduced immune response, deterioration of renal hemodynamics, the reduced sensitivity to antibacterial drugs. The purpose of the study is to improve the results of treatment of patients with calculous pyelonephritis and diabetes mellitus type 2. The materials and methods of research. We studied 179 people. This was a retrospective pharmaco-epidemiological analysis of medical records of patients who were treated in 2009 and 2013, in hospital of Volgograd...
August 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28218726/biomarkers-in-pediatric-community-acquired-pneumonia
#18
REVIEW
Nicola Principi, Susanna Esposito
Community-acquired pneumonia (CAP) is an infectious disease caused by bacteria, viruses, or a combination of these infectious agents. The severity of the clinical manifestations of CAP varies significantly. Consequently, both the differentiation of viral from bacterial CAP cases and the accurate assessment and prediction of disease severity are critical for effectively managing individuals with CAP. To solve questionable cases, several biomarkers indicating the etiology and severity of CAP have been studied...
February 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28218631/the-non-innoculous-hilar-calcification-recurrent-pneumonia-secondary-to-broncholith-associated-actinomyces
#19
Oluwayemisi Ojemakinde, Adam Wellikoff, Catherine Chaudoir, Guillermo Sangster, Alberto Simoncini, Carlos Previgliano, Disha Adelle Desouza
Dystrophic calcification of hilar lymph nodes is a common response to chronic inflammation related to several etiologies and rarely is associated with any clinical findings. A clinical scenario related to these calcified lymph nodes can thus be delayed by the low clinical suspicion associated with such a presumably innocuous finding. Normal respiratory movements however, can cause erosion into adjacent bronchi leading to a broncholith, complications of which can result in morbidity. We illustrate one of these complications, a partial obstruction with subsequent recurrent infection due to normal oral flora - actinomyces...
January 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28208675/pneumonia-acute-respiratory-distress-syndrome-and-early-immune-modulator-therapy
#20
REVIEW
Kyung-Yil Lee
Acute respiratory distress syndrome (ARDS) is caused by infectious insults, such as pneumonia from various pathogens or related to other noninfectious events. Clinical and histopathologic characteristics are similar across severely affected patients, suggesting that a common mode of immune reaction may be involved in the immunopathogenesis of ARDS. There may be etiologic substances that have an affinity for respiratory cells and induce lung cell injury in cases of ARDS. These substances originate not only from pathogens, but also from injured host cells...
February 11, 2017: International Journal of Molecular Sciences
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