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Diagnosis of pneumonia

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https://www.readbyqxmd.com/read/28938676/risk-factors-for-mortality-from-pneumocystis-carinii-pneumonia-pcp-in-non-hiv-patients-a-meta-analysis
#1
Yao Liu, Lili Su, Shu-Juan Jiang, Hui Qu
The number of patients with non-human immunodeficiency virus (HIV) related pneumocystis carinii pneumonia (PCP) is increasing with widespread immunosuppressive treatment. We performed a meta-analysis to describe the clinical characteristics and factors associated with outcomes of PCP in HIV-negative patients. A total of 13 studies including 867 patients with non-HIV related PCP was included. The overall mortality for non-HIV patients with PCP was 30.6%. The most common underlying disorder for the development of PCP is hematological malignancies (29...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28937780/-isolated-infectious-endocarditis-of-the-pulmonary-valve-a%C3%A2-case-report
#2
Jan Hrudka, Monika Grussmannová, Václav Mandys
Isolated infectious endocarditis of the pulmonary valve is a rare condition and represents 1,5-2% of all cases of infectious endocarditis. We present a case of a 37year-old woman without any relevant medical history. The woman was hospitalized with hallmarks of severe sepsis and bilateral pneumonia; she died several hours after admission with progressive multiorgan failure and disseminated intravascular coagulopathy. Microbiologic examination approved Staphylococcus aureus as the etiological agent. The autopsy showed isolated endocarditis of the pulmonary valve, without any known predisposing factor...
2017: Ceskoslovenská Patologie
https://www.readbyqxmd.com/read/28936955/-analysis-of-characteristics-of-bacteria-in-respiratory-tract-infection-in-2013-2016-in-heibei-3a-hospital-a-single-center-report-of-7-497-patients
#3
Lili Hou, Lili Liu, Ping Dang, Guannan Kang, Qinfeng Zhang, Dongling Li
OBJECTIVE: To analyze the changes and characteristics of respiratory tract bacteria in Hebei 3A Hospital, and to provide new rationale for clinical diagnosis and treatment. METHODS: A single-center retrospective analysis was conducted. 7 497 patients with respiratory tract infection admitted to Hebei Chest Hospital from January 2013 to December 2016 were enrolled. Deep sputum was collected, and the bacterial cultures and susceptibility analysis was conducted in sputum and upper respiratory secretions were collected by fiberoptic bronchoscopy...
September 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28936949/-clinical-practice-guidelines-of-hap-vap-in-2016-the-updates
#4
Meizhu Lu, Yan Kang
Hospital acquired pneumonia (HAP) and ventilatorassociated pneumonia (VAP) are common hospital-acquired infections with higher mortality, longer hospital stay and more hospitalization expenses. With the latest research results and evidence-based guideline methodology, Infectious Diseases Society of America (IDSA) and American Thoracic Society (ATS) have collaborated to create updated guidelines for the diagnosis and treatment of HAP and VAP in 2016. It is worth critically reading and thinking that most recommendations are supported by low-quality or very-low quality evidence and some strong recommendations is different from the actual clinical work in China...
September 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28935494/-an-atypical-case-of-necrotizing-staphylococcal-pneumonia
#5
E Bertreau, S Grard, T Baudry, N Freymond
INTRODUCTION: Some strains of Staphylococcus aureus produce a toxin known as Panton-Valentine leukocidin. These strains notably cause a necrotizing pneumonia which is associated with a high mortality. OBSERVATION: A 70-year-old woman presented with sub-acute onset dyspnea, low-grade fever, and hemoptysis after a trip to Dubai and New Zealand. Computed tomography showed bilateral necrotizing pneumonia, suggesting the diagnosis of pneumonia caused by S. aureus producing Panton-Valentine toxin...
September 18, 2017: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/28932614/acute-low-dose-hydralazine-induced-lupus-pneumonitis
#6
Sarah K Holman, Donique Parris, Sarah Meyers, Jason Ramirez
A 35-year-old female was started on hydralazine 10 mg orally three times a day for treatment of postpartum hypertension. Three months later, after multiple unsuccessful courses of prednisone and antibiotics for presumed pneumonia and asthma exacerbations, her respiratory symptoms progressed in severity and she developed resting hypoxia. Previous diagnostic work-up included spirometry with a restrictive pattern, chest CT showing bilateral basilar consolidation, negative BAL, and nonspecific findings on lung biopsy of mild inflammatory cells...
2017: Case Reports in Pulmonology
https://www.readbyqxmd.com/read/28932610/pneumocystis-pneumonia-in-non-hiv-pregnant-women-receiving-chemotherapy-for-malignant-lymphoma-two-case-reports
#7
Yuki Fukutani, Yoshitsugu Chigusa, Eiji Kondoh, Kaoru Kawasaki, Shingo Io, Noriomi Matsumura
Pneumocystis pneumonia (PCP) is a life-threatening opportunistic infection that sometimes occurs in immunocompromised patients with human immunodeficiency virus (HIV). Here, we report two extremely rare cases of PCP in non-HIV pregnant women who underwent chemotherapy for malignant lymphoma. Case  1 is a 34-year-old primigravida who was diagnosed with Hodgkin's lymphoma. She received ABVD chemotherapy and developed PCP at 37 weeks of gestation. After the onset of PCP, emergent cesarean section was performed due to a nonreassuring fetal status...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28930178/diagnostic-value-of-endotracheal-aspirates-sonication-on-ventilator-associated-pneumonia-microbiologic-diagnosis
#8
Laia Fernández-Barat, Ana Motos, Otavio T Ranzani, Gianluigi Li Bassi, Elisabet Aguilera Xiol, Tarek Senussi, Chiara Travierso, Chiara Chiurazzi, Francesco Idone, Laura Muñoz, Jordi Vila, Miquel Ferrer, Paolo Pelosi, Francesco Blasi, Massimo Antonelli, Antoni Torres
Microorganisms are able to form biofilms within respiratory secretions. Methods to disaggregate such biofilms before utilizing standard, rapid, or high throughput diagnostic technologies may aid in pathogen detection during ventilator associated pneumonia (VAP) diagnosis. Our aim was to determine if sonication of endotracheal aspirates (ETA) would increase the sensitivity of qualitative, semi-quantitative, and quantitative bacterial cultures in an animal model of pneumonia caused by Pseudomonasaeruginosa or by methicillin resistant Staphylococcusaureus (MRSA)...
September 20, 2017: Microorganisms
https://www.readbyqxmd.com/read/28930150/detection-of-bacterial-pathogens-from-broncho-alveolar-lavage-by-next-generation-sequencing
#9
Stefano Leo, Nadia Gaïa, Etienne Ruppé, Stephane Emonet, Myriam Girard, Vladimir Lazarevic, Jacques Schrenzel
The applications of whole-metagenome shotgun sequencing (WMGS) in routine clinical analysis are still limited. A combination of a DNA extraction procedure, sequencing, and bioinformatics tools is essential for the removal of human DNA and for improving bacterial species identification in a timely manner. We tackled these issues with a broncho-alveolar lavage (BAL) sample from an immunocompromised patient who had developed severe chronic pneumonia. We extracted DNA from the BAL sample with protocols based either on sequential lysis of human and bacterial cells or on the mechanical disruption of all cells...
September 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28929060/laser-assisted-double-layer-endoscopic-repair-of-laryngeal-clefts-our-experience-in-11-cases
#10
Danah Aljomah, Jaber Alshammari
Laryngeal cleft is a rare congenital malformation of the respiratory tract leading to a high level of morbidity and mortality, recently being diagnosed with increased frequency. Management throughout the years included medical and surgical. The open surgical technique is more commonly used although it has higher risk and need longer post-operative care. Recently surgical endoscopic repair was introduced using different techniques. To evaluate the clinical features of infants and children presenting with laryngeal clefts, and review endoscopic management modality especially the technique and results of repair using double-layer (2 layers) technique...
September 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28927548/pulmonary-injury-from-waterproofing-spray-during-a-hike
#11
Tomonori Harada, Yukio Hirabayashi, Yuriko Takayama-Isagawa, Hiroto Sakamoto, Makoto Kawaishi, Hiroyuki Hara, Shin Aizawa
A 48-year-old man developed general fatigue, dyspnea, and fever at an altitude of 1562 m from the morning of the first day of a 3-day hike. Despite pharyngeal discomfort and mild general fatigue, he felt that the symptoms were not sufficient to abandon his plan. He usually required 1.5 hours to reach Tokusawa (6.4 km from the starting point at an altitude of 1500 m), but this time he required 2.5 hours and slept briefly upon arrival at Tokusawa due to extreme fatigue and respiratory discomfort. His symptoms became aggravated, so he presented at a mountain clinic with oxygen saturation at 80% and body temperature of 37...
September 15, 2017: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28925655/pleuritic-chest-pain-sorting-through-the-differential-diagnosis
#12
Brian V Reamy, Pamela M Williams, Michael Ryan Odom
Pleuritic chest pain is characterized by sudden and intense sharp, stabbing, or burning pain in the chest when inhaling and exhaling. Pulmonary embolism is the most common serious cause, found in 5% to 21% of patients who present to an emergency department with pleuritic chest pain. A validated clinical decision rule for pulmonary embolism should be employed to guide the use of additional tests such as d-dimer assays, ventilation-perfusion scans, or computed tomography angiography. Myocardial infarction, pericarditis, aortic dissection, pneumonia, and pneumothorax are other serious causes that should be ruled out using history and physical examination, electrocardiography, troponin assays, and chest radiography before another diagnosis is made...
September 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28924117/successful-treatment-of-herpes-simplex-virus-hsv-1-associated-hemophagocytic-lymphohistiocytosis-hlh-with-acyclovir-a-case-report-and-literature-review
#13
Tomohiro Yabushita, Satoshi Yoshioka, Yusuke Koba, Yuichirou Ono, Nobuhiro Hiramoto, Sumie Tabata, Munehiro Itou, Norio Shimizu, Keisuke Tomii, Takayuki Ishikawa
Hemophagocytic lymphohistiocytosis (HLH) associated with herpes simplex virus (HSV)-1 infection (HSV-1-HLH) is uncommon and is potentially fatal without appropriate treatment. We herein report the case of an adult patient with HSV-1-HLH who was successfully treated with acyclovir. A 69-year-old man developed fever, pancytopenia and liver enzyme elevation after the resolution of pneumonia. These findings and the presence of hemophagocytosis in the patient's bone marrow were consistent with a diagnosis of HLH...
September 15, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28923474/beyond-the-inhaled-nitric-oxide-in-persistent-pulmonary-hypertension-of-the-newborn
#14
REVIEW
Mei-Yin Lai, Shih-Ming Chu, Satyan Lakshminrusimha, Hung-Chih Lin
Persistent pulmonary hypertension (PPHN) is a consequence of failed pulmonary vascular transition at birth and leads to pulmonary hypertension with shunting of deoxygenated blood across the ductus arteriosus (DA) and foramen ovale (FO) resulting in severe hypoxemia, and it may eventually lead to life-threatening circulatory failure. PPHN is a serious event affecting both term and preterm infants in the neonatal intensive care unit. It is often associated with diseases such as congenital diaphragmatic hernia, meconium aspiration, sepsis, congenital pneumonia, birth asphyxia and respiratory distress syndrome...
August 10, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28921478/interstitial-pneumonia-with-autoimmune-features-an-additional-risk-factor-for-ards
#15
Giacomo Grasselli, Beatrice Vergnano, Maria Rosa Pozzi, Vittoria Sala, Gabriele D'Andrea, Vittorio Scaravilli, Marco Mantero, Alberto Pesci, Antonio Pesenti
BACKGROUND: Interstitial pneumonia with autoimmune features (IPAF) identifies a recently recognized autoimmune syndrome characterized by interstitial lung disease and autoantibodies positivity, but absence of a specific connective tissue disease diagnosis or alternative etiology. We retrospectively reviewed the clinical presentation, diagnostic workup and management of seven critically ill patients who met diagnostic criteria for IPAF. We compared baseline characteristics and clinical outcome of IPAF patients with those of the population of ARDS patients admitted in the same period...
September 18, 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28920810/newly-described-toxoplasma-gondii-strain-causes-high-mortality-in-red-necked-wallabies-macropus-rufogriseus-in-a-zoo
#16
Amanda Guthrie, Leah Rooker, Rommel Tan, Richard Gerhold, Karen Trainor, Tiantian Jiang, Chunlei Su
This manuscript describes an outbreak of fatal toxoplasmosis in wallabies. Ten adult red necked wallabies (Macropus rufogriseus) were imported from New Zealand to the Virginia Zoo. Agglutination testing upon admission into quarantine showed all animals to be negative for antibodies to Toxoplasma gondii. Nine of these wallabies died from acute toxoplasmosis within 59-565 (average 224) days after being moved onto exhibit. Clinical signs included lethargy, diarrhea, tachypnea, and ataxia that progressed rapidly; death without premonitory signs occurred in one case...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28919347/invasive-mold-infections-of-the-central-nervous-system-in-patients-with-hematologic-cancer-or-stem-cell-transplantation-2000-2016-uncommon-with-improved-survival-but-still-deadly-often
#17
Minas P Economides, Leomar Y Ballester, Vinodh A Kumar, Ying Jiang, Jeffrey Tarrand, Victor Prieto, Harrys A Torres, Dimitrios P Kontoyiannis
BACKGROUND: Historically considered to have very poor outcome, there is paucity of recent data regarding invasive mold infections (IMIs) of the central nervous system (CNS) in patients with hematologic cancer (HC) or stem cell transplantation (SCT). METHODS: We reviewed the records of HC patients and/or SCT recipients who were diagnosed with CNS IMIs (EORTC/MSG criteria) at MD Anderson Cancer Center (1/1/2000-6/31/2016). Risk factors for survival at day (d) 42 post diagnosis were assessed...
September 14, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28917584/pneumatoceles-in-pediatric-blunt-trauma-common-and-benign
#18
Lindsey B Armstrong, David P Mooney
INTRODUCTION: Traumatic pneumatoceles are reported to be rare in children and to have an uncertain clinical significance. We report a single institution series of traumatic pneumatoceles to better define their frequency and clinical significance. METHODS: After obtaining approval from the IRB, data were extracted from the trauma registry of a level 1 pediatric trauma center on children diagnosed with a pulmonary contusion (International Classification of Diseases-9th edition diagnosis codes: 861...
August 7, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28916936/does-diabetes-mellitus-comorbidity-affect-in-hospital-mortality-and-length-of-stay-analysis-of-administrative-data-in-an-italian-academic-hospital
#19
Francesca Valent, Laura Tonutti, Franco Grimaldi
AIMS: Hospitalized patients with comorbid diabetes mellitus may have worse outcomes than the others. We conducted a study to assess whether comorbid diabetes affects in-hospital mortality and length of stay. METHODS: For this population-based study, we analyzed the administrative databases of the Regional Health Information System of the Region Friuli Venezia Giulia, where the Hospital of Udine is located. Hospital discharge data were linked at the individual patient level with the regional Diabetes Mellitus Registry to identify diabetic patients...
September 15, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28916233/risk-of-pneumonia-in-patients-with-insomnia-a-nationwide-population-based-retrospective-cohort-study
#20
Chia-Ling Lin, Ta-Chun Liu, Chi-Hsiang Chung, Wu-Chien Chien
Evidence is lacking regarding whether insomnia increases the risk of infectious disease. Accordingly, the present study examined the risk of pneumonia in patients with insomnia. This study was a population-based retrospective cohort study on a cohort of 8061 patients with insomnia and a control cohort of 16,112 patients (matched by age, sex, and year of diagnosis) from the Taiwan National Health Insurance Research Database for the 2000-2010 period. Overall incidence of pneumonia was 50.6 per 1000 person-years in the insomnia cohort, which was significantly higher than that in the control cohort (30...
September 12, 2017: Journal of Infection and Public Health
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