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Pneumonia etiology

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https://www.readbyqxmd.com/read/29467579/viral-and-bacterial-etiologies-of-acute-respiratory-infections-among-children-under-5-years-in-senegal
#1
Dieng Assane, Camara Makhtar, Diop Abdoulaye, Fall Amary, Boiro Djibril, Diop Amadou, Diouf Jean Baptiste Niokhor, Diop Amadou, Loucoubar Cheikh, Dia Ndongo, Niang Mbayame, Fall Lamine, Boye Cheikh Saad Bouh
Acute respiratory infections (ARIs) are the leading cause of infectious disease-related morbidity, hospitalization, and morbidity among children worldwide. This study aimed to assess the viral and bacterial causes of ARI morbidity and mortality in children under 5 years in Senegal. Nasopharyngeal samples were collected from children under 5 years who had ARI. Viruses and bacteria were identified using multiplex real-time reverse transcription-polymerase chain reaction and conventional biochemical techniques, respectively...
2018: Microbiology Insights
https://www.readbyqxmd.com/read/29466395/dynamics-of-monocytic-hla-dr-expression-differs-between-bacterial-etiologies-during-the-course-of-bloodstream-infection
#2
Sara Cajander, Gunlög Rasmussen, Elisabet Tina, Anders Magnuson, Bo Söderquist, Jan Källman, Kristoffer Strålin
OBJECTIVE: In the pathogenesis of sepsis, activation of both pro- and anti-inflammatory responses are key components, but knowledge is lacking on the association between bacterial etiology and development of dysregulated responses with sustained immunosuppression. The aim of this study was to evaluate how the immunosupression marker HLA-DR on monocytes (mHLA-DR) is associated with bacterial etiology and markers of inflammation during the clinical trajectory of bloodstream infection (BSI)...
2018: PloS One
https://www.readbyqxmd.com/read/29466083/laparoscopic-nissen-fundoplication-an-excellent-treatment-of-gerd-related-respiratory-symptoms-in-children-results-of-a-multicentric-study
#3
Ciro Esposito, Amulya Saxena, Sabine Irtan, Holger Till, Maria Escolino
INTRODUCTION: Respiratory manifestations of gastroesophageal reflux disease (GERD), particularly chronic cough, are being recognized with increased frequency in children. This survey aimed to investigate the efficacy of laparoscopic Nissen fundoplication for treatment of GERD-related respiratory symptoms not responsive to medical therapy in neurological normal children. MATERIALS AND METHODS: We collected data of children with GERD-related respiratory complaints not responsive to medical therapy who underwent laparoscopic Nissen fundoplication in four European centers of Pediatric Surgery over a 10-year period...
February 21, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29465202/-lung-ultrasound-in-patients-with-hematological-malignancies-and-acute-respiratory-failure-due-to-pneumonia
#4
V A Novikov, G M Galstyan, I An E G Gemdzh, I E Kostina, M K Gitis
PURPOSE: To compare the accuracy of bedside lung ultrasound (LUS) and chest computed tomography (CT) for the de- tection of lung lesions in patients with hematological malignancies and acute respiratory failure (ARF). MATERIALS AND METHODS: 39 patients with hematological malignancies and ARF were enrolled in prospective study. The investigation of the patients included LUS, chest C, extravascular lung water index (EVLW) by transpulmonary ther- modilution, and bronchoalveolar lavage (BAL)...
September 2017: Anesteziologiia i Reanimatologiia
https://www.readbyqxmd.com/read/29456938/deep-neck-space-infections-a-study-in-diabetic-population-in-a-tertiary-care-centre
#5
Kalpana Sharma, Devjani Das, Manish Joshi, Dipjyoti Barman, A J Sarma
This study is intended to analyze the clinical profile and outcomes of deep neck space infection in diabetic patients in our tertiary care centre. A prospective study of 1 year duration from 30th September 2015 to 30th September 2016 at department of Otorhinolaryngology, Gauhati Medical College and Hospital, Guwahati. A total of 45 diabetic patients who presented with DNSI are included in this study. Their demographic profile, etiology, bacteriology, treatment, duration of hospital stay, complications and outcomes have been analyzed...
March 2018: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/29447204/comparison-of-viral-infection-in-healthcare-associated-pneumonia-hcap-and-community-acquired-pneumonia-cap
#6
Eun Sun Kim, Kyoung Un Park, Sang Hoon Lee, Yeon Joo Lee, Jong Sun Park, Young-Jae Cho, Ho Il Yoon, Choon-Taek Lee, Jae Ho Lee
BACKGROUND: Although viruses are known to be the second most common etiological factor in community-acquired pneumonia (CAP), the respiratory viral profile of the patients with healthcare-associated pneumonia (HCAP) has not yet been elucidated. We investigated the prevalence and the clinical impact of respiratory virus infection in adult patients with HCAP. METHODS: Patients admitted with HCAP or CAP, between January and December 2016, to a tertiary referral hospital in Korea, were prospectively enrolled, and virus identification was performed using reverse-transcription polymerase chain reaction (RT-PCR)...
2018: PloS One
https://www.readbyqxmd.com/read/29432047/community-acquired-meningitis-in-hiv-infected-patients-in-the-united-states
#7
Karen J Vigil, Lucrecia Salazar, Rodrigo Hasbun
We conducted a retrospective study of 549 adults admitted with community-acquired meningitis (CAM) to several hospitals in New Orleans, LA and Houston, TX between 1999 and 2014 to characterize the current epidemiology, clinical manifestations, cerebrospinal fluid (CSF) characteristics, and outcomes of CAM between HIV-infected and uninfected patients and to identify risk factors for adverse outcomes in CAM. Bivariate analysis and logistic regression analysis were used to identify prognostic factors. A total of 1022 patients with CAM were screened...
February 2018: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/29423099/investigation-on-outcomes-and-bacterial-distributions-of-liver-cirrhosis-patients-with-gram-negative-bacterial-bloodstream-infection
#8
Yangxin Xie, Bo Tu, Xin Zhang, Jingfeng Bi, Lei Shi, Peng Zhao, Weiwei Chen, Suxia Liu, Dongping Xu, Enqiang Qin
Objective: The study aimed at analyzing the epidemiology and outcomes of liver cirrhosis patients undergoing gram-negative bacterial bloodstream infection. Results: Totally 508 eligible patients were collected, with 25.79% 30-day mortality, and 58.86% patients were confirmed as nosocomial infection. The most common isolates were Escherichia coli (48.29%) and Klebsiella pneumoniae (19.29%), and multidrug-resistant isolates accounted for 36.61%. The bacterial distributions were similar between survivors and non-survivors (P>0...
January 9, 2018: Oncotarget
https://www.readbyqxmd.com/read/29419660/continuous-cervical-epidural-block-treatment-for-intractable-hiccups
#9
Jung Eun Kim, Mi Kyoung Lee, Dong Kyu Lee, Sang Sik Choi, Jong Sun Park
Intractable hiccups, although rare, may result in severe morbidity, including sleep deprivation, poor food intake, respiratory muscle fatigue, aspiration pneumonia, and death. Despite these potentially fatal complications, the etiology of intractable hiccups and definitive treatment are unknown. This study aimed to evaluate the effectiveness of continuous cervical epidural block in the treatment of intractable hiccups.Records from 28 patients with a history of unsuccessful medical and invasive treatments for hiccups were evaluated...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29410975/low-levels-of-immunoglobulins-and-mannose-binding-lectin-are-not-associated-with-etiology-severity-or-outcome-in-community-acquired-pneumonia
#10
William W Siljan, Jan C Holter, Ståle H Nymo, Einar Husebye, Thor Ueland, Lillemor Skattum, Vidar Bosnes, Peter Garred, Stig S Frøland, Tom E Mollnes, Pål Aukrust, Lars Heggelund
Background: Disease severity and outcome in community-acquired pneumonia (CAP) depend on the host and on the challenge of the causal microorganism(s). We measured levels of immunoglobulins (Igs) and complement in 257 hospitalized adults with CAP and examined the association of low levels of Igs or complement to microbial etiology, disease severity, and short-term and long-term outcome. Methods: Serum Igs were analyzed in blood samples obtained at admission and at 6 weeks postdischarge if admission levels were low...
February 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29409967/community-acquired-urinary-tract-infections-due-to-extended-spectrum-%C3%AE-lactamase-producing-organisms-in-united-arab-emirates
#11
Nihar Ranjan Dash, Mohammad T Albataineh, Nawar Alhourani, Ammar Mohammad Khoudeir, Mohammed Ghanim, Mohammad Wasim, Ibrahim Mahmoud
BACKGROUND: The epidemiology of extended-spectrum β-lactamase (ESBL)-producing bacteria is fast evolving with increasing global trend towards community-acquired infections. Limited information available about ESBLs therapy outcomes and control strategies, especially in the Middle Eastern countries. METHODS: We studied 399 ESBL-producing Escherichia coli and Klebsiella pneumoniae isolates from urinary tract infections (UTIs) occurred between 2014 and 2016 in University Hospital Sharjah...
January 30, 2018: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/29404182/a-prospective-study-of-bacteriological-etiology-in-hospitalized-acute-exacerbation-of-copd-patients-relationship-with-lung-function-and-respiratory-failure
#12
Ashok Kuwal, Vinod Joshi, Naveen Dutt, Surjit Singh, Kailash Chand Agarwal, Gopal Purohit
OBJECTIVES: Bacterial infections are the major cause of acute exacerbation of COPD (AE-COPD). The relationship between lung functions and respiratory failure (arterial blood gas parameters) with the etiology of AE-COPD has not been clearly understood. We conducted this study to determine the bacterial profile in AE-COPD and to identify the associated risk factors and drug sensitivity pattern. MATERIAL AND METHODS: Seventy-two patients hospitalized for AE-COPD were prospectively evaluated...
January 2018: Turkish Thoracic Journal
https://www.readbyqxmd.com/read/29404167/organizing-pneumonia-as-a-histopathological-term
#13
Fatma Tokgöz Akyıl, Meltem Ağca, Aysun Mısırlıoğlu, Ayşe Alp Arsev, Mustafa Akyıl, Tülin Sevim
OBJECTIVES: Organizing pneumonia (OP) is an interstitial lung disease characterized by granulation tissue buds in alveoli and alveolar ductus, possibly accompanied by bronchiolar involvement. Histopathologically, OP may signify a primary disease and be observed as a contiguous disease or as a minor component of other diseases. In this study, the clinical significance of histopathological OP lesions and clinical and radiological features of patients with primary OP were examined. MATERIAL AND METHODS: Between January 2011 and January 2015, of 6,346 lung pathology reports, 138 patients with OP lesions were retrospectively evaluated...
July 2017: Turkish Thoracic Journal
https://www.readbyqxmd.com/read/29403204/clinical-spectrum-and-diagnostic-yields-of-mycoplasma-pneumoniae-as-a-causative-agent-of-community-acquired-pneumonia
#14
Saroj Dash, Rama Chaudhry, Benu Dhawan, Aparajit Ballav Dey, Sushil Kumar Kabra, Bimal Kumar Das
INTRODUCTION: Infection with Mycoplasma pneumoniae (M. pneumonia) occurs worldwide which accounts for 15%-20% of cases of community-acquired pneumonia and indistinguishable clinically from other infectious causes of pneumonia. AIM: The aim of this study was to evaluate the real-time polymerase chain reaction (PCR) and to correlate it with other diagnostic methods such as culture, serology (ELISA), and conventional PCR along with the clinical signs and symptoms produced by M...
January 2018: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/29399056/cryptogenic-organizing-pneumonia-masquerading-as-lung-carcinoma-a-case-report-and-review-of-the-literature
#15
Ji-Ping Huo, Cui Liu, Bei-Bei Jin, Feng-Xia Duan, Sheng-Hui Mei, Xin-Gang Li, Zhi-Gang Zhao
Cryptogenic organizing pneumonia (COP) is a rare pulmonary disorder of unknown etiology. COP with hemoptysis as the primary presenting symptom has rarely been reported. The present study reported a case of COP that resembled lung carcinoma with hemoptysis as the only clinical symptom. The patient recovered well following thoracoscope surgery. A literature review of 119 COP cases between 1995 and 2015 was presented. Cough, fever and dyspnea were the most common clinical manifestations. The most common imaging manifestations were multiple or single consolidation, lung nodules, migratory sign, reversed halo sign, and multiple ground-glass opacity...
January 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29395966/long-term-management-and-persistent-impairment-of-pulmonary-function-in-chronic-eosinophilic-pneumonia-a-review-of-the-previous-literature
#16
REVIEW
Yuzo Suzuki, Takafumi Suda
Chronic eosinophilic pneumonia (CEP) is an inflammatory disease characterized by accumulations of eosinophils in the lung with unknown etiology. Although corticosteroid treatment dramatically resolves these inflammations, relapse is common during the course of the disease. Approximately 50% of patients with CEP experience relapse. Subsequent to persistent disease and repeated relapse, and in cases of combined severe asthma, some CEP patients are administered corticosteroids indefinitely. Similar to patients with severe asthma who are often steroid dependent, a number of CEP patients exhibit prolonged persistent impairment of pulmonary function...
January 23, 2018: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29392975/respiratory-digestive-tract-fistula-two-center-retrospective-observational-study
#17
Sameh I Sersar, Lamees A Maghrabi
Background Aerodigestive fistulae can be defined as abnormal communications between the gastrointestinal tract and the respiratory tract. Choking after meals, coughing, feeding difficulties, tachycardia, and persistent pneumonia are the main presentations. The aim of our study was to review our experience in the management of 27 cases of acquired aerodigestive fistulae of different types, levels, and management. Methods We conducted a retrospective observational study on 27 cases of fistulae between the respiratory and digestive tracts, which were managed in 2 hospitals in Saudi Arabia in the last 5 years...
January 1, 2018: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29391471/detection-of-16s-rrna-and-kpc-genes-from-complex-matrix-utilizing-a-molecular-inversion-probe-assay-for-next-generation-sequencing
#18
Christopher P Stefan, Adrienne T Hall, Timothy D Minogue
Targeted sequencing promises to bring next-generation sequencing (NGS) into routine clinical use for infectious disease diagnostics. In this context, upfront processing techniques, including pathogen signature enrichment, must amplify multiple targets of interest for NGS to be relevant when applied to patient samples with limited volumes. Here, we demonstrate an optimized molecular inversion probe (MIP) assay targeting multiple variable regions within the 16S ribosomal gene for the identification of biothreat and ESKAPE pathogens in a process that significantly reduces complexity, labor, and processing time...
February 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29388679/viral-etiologies-and-epidemiology-of-patients-with-acute-respiratory-infections-based-on-sentinel-hospitals-in-gansu-province-northwest-china-2011-2015
#19
Xuechao Li, Juansheng Li, Lei Meng, Wanqi Zhu, Xinfeng Liu, Mei Yang, Deshan Yu, Lixia Niu, Xiping Shen
Understanding etiological role and epidemiological profile is needed to improve clinical management and prevention of acute respiratory infections (ARIs). A five-year prospective study about active surveillance for outpatients and inpatients with ARIs was conducted in Gansu province, China, from January 2011 to November 2015. Respiratory specimens were collected from patients and tested for eight respiratory viruses using polymerase chain reaction (PCR) or reverse transcription polymerase chain reaction (RT-PCR)...
February 1, 2018: Journal of Medical Virology
https://www.readbyqxmd.com/read/29386890/phenotyping-copd-exacerbations-using-imaging-and-blood-based-biomarkers
#20
Nawaf M Alotaibi, Virginia Chen, Zsuzsanna Hollander, Cameron J Hague, Darra T Murphy, Jonathon A Leipsic, Mari L DeMarco, J Mark FitzGerald, Bruce M McManus, Raymond T Ng, Don D Sin
Rationale: Acute exacerbations of chronic obstructive pulmonary disease (AECOPD) are caused by a variety of different etiologic agents. Our aim was to phenotype COPD exacerbations using imaging (chest X-ray [CXR] and computed tomography [CT]) and to determine the possible role of the blood tests (C-reactive protein [CRP], the N-terminal prohormone brain natriuretic peptide [NT-proBNP]) as diagnostic biomarkers. Materials and methods: Subjects who were hospitalized with a primary diagnosis of AECOPD and who had had CXRs, CT scans, and blood collection for CRP and NT-proBNP were assessed in this study...
2018: International Journal of Chronic Obstructive Pulmonary Disease
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