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Lung auscultation

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https://www.readbyqxmd.com/read/29333842/an-adolescent-with-idiopathic-pleuroparenchymal-fibroelastosis-case-report
#1
Emine Atag, Nilay Bas Ikizoglu, Yasemin Gokdemir, Ela Erdem Eralp, Gursu Kiyan, Dilek Yilmazbayhan, Bulent Karadag
Idiopathic pleuroparenchymal fibroelastosis (IPPFE) is a rare disorder recently included in rare idiopathic interstitial pneumonias according to the updated American Thoracic Society/European Respiratory Society classification. IPPFE is characterized by pleural and subpleural parenchymal fibrosis causing volume loss predominantly in the upper lung lobes. Age of onset is variable, IPPFE mainly occurs in third and fourth decades. We present a 16 year old patient with a 2-year history of exertional dyspnea, nonproductive cough and weight loss...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29312734/posterior-uniportal-video-assisted-thoracoscopic-surgery-for-anatomical-lung-resections
#2
Davor Stamenovic, Korkut Bostanci, Antje Messerschmidt
Background: The acceptance of uniportal video-assisted thoracoscopic surgery (uVATS) for anatomical lung resections has been growing in recent years. This study presents the first case-series in the literature with posterior uVATS (puVATS) technique for specific anatomical lung resections. Methods: The first 20 consecutive patients who underwent an anatomical lung resection by a single surgeon, by means of puVATS technique were evaluated in terms of pre-, peri- and post-operative results...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29174750/assessment-of-pulmonary-edema-principles-and-practice
#3
REVIEW
Sherif Assaad, Wolf B Kratzert, Benjamin Shelley, Malcolm B Friedman, Albert Perrino
Pulmonary edema increasingly is recognized as a perioperative complication affecting outcome. Several risk factors have been identified, including those of cardiogenic origin, such as heart failure or excessive fluid administration, and those related to increased pulmonary capillary permeability secondary to inflammatory mediators. Effective treatment requires prompt diagnosis and early intervention. Consequently, over the past 2 centuries a concentrated effort to develop clinical tools to rapidly diagnose pulmonary edema and track response to treatment has occurred...
August 19, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29115206/bronchoscopy-in-children-suspected-of-lower-airway-aspiration
#4
Sine Holst-Albrechtsen, Søren Kristensen, Knud Larsen
INTRODUCTION: Foreign body aspiration (FBA) of the bronchial tree may be a life-threatening condition in children. This retrospective study explores the anamnestic, clinical and objective findings in patients with FBA to the lungs and evaluates the frequency and outcome of the condition in patients in the age group of highest risk. METHOD: Medical files from patients below 18 years of age who had a foreign body removed from the lungs in our hospital were extracted using the procedure code for removal of foreign bodies in the lower airways ("Danish Patient Register") in the period 1990-2013...
November 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/29060920/automated-lung-sound-analysis-for-detecting-pulmonary-abnormalities
#5
Shreyasi Datta, Anirban Dutta Choudhury, Parijat Deshpande, Sakyajit Bhattacharya, Arpan Pal
Identification of pulmonary diseases comprises of accurate auscultation as well as elaborate and expensive pulmonary function tests. Prior arts have shown that pulmonary diseases lead to abnormal lung sounds such as wheezes and crackles. This paper introduces novel spectral and spectrogram features, which are further refined by Maximal Information Coefficient, leading to the classification of healthy and abnormal lung sounds. A balanced lung sound dataset, consisting of publicly available data and data collected with a low-cost in-house digital stethoscope are used...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29060333/detecting-fetal-heart-sounds-by-means-of-fractal-dimension-analysis-in-the-wavelet-domain
#6
E Koutsiana, L J Hadjileontiadis, I Chouvarda, A H Khandoker
Phonocardiography is a low-cost technique for the detection of fetal heart sounds (FHS) that can extend clinical auscultation in mobile and home care setups. The work presented here examines the transferability of a Wavelet Transform (WT)-based method that combines also Fractal Dimension (FD) analysis, previously proposed as WT-FD for the cases of lung and bowel sound analysis [4], to the extraction of FHSs. The WT-FD method has been evaluated with 12 simulated FHS signals and has shown promising results in terms of accuracy and performance (89%) in identifying the location of heartbeat, even in cases of signals with additive noise up to (6dB)...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28992906/renal-amyloidosis-associated-with-kartagener-syndrome-in-a-dog
#7
Bartolo Celona, Chiara Crinò, Carmelo Bruno, Simona Di Pietro, Elisabetta Giudice
A 4-year-old cocker spaniel, male, of 12kg body weight was presented because of the onset of polyuria or polydipsia. From the first months of its life, the dog had exhibited constant serous to mucopurulent nasal discharge, productive cough, sneezing, reverse sneezing, otitis, and recurrent episodes of fever. The respiratory signs had been treated several times with antibiotics, without ever achieving a complete resolution. Clinical examination revealed normal rectal temperature (38.3°C), increased respiratory rate (40breaths/min), a copious mucous nasal discharge and right deviation of the heart apex beat (ictus cordis)...
June 2017: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/28954832/a-54-year-old-man-with-new-onset-ventricular-fibrillation
#8
Kan Liu, Jamal Ahmed, David Feiglin
CLINICAL INTRODUCTION: A 54-year-old man without significant medical history presented with sudden-onset chest discomfort and multiple episodes of ventricular fibrillation requiring external defibrillation and cardiopulmonary resuscitation. Coronary angiography ruled out significant artery stenosis. Both ventriculography and echocardiography revealed decreased left ventricular ejection fraction (25%). On examination, he was haemodynamically stable. The lungs were clear to auscultation and there was no jugular venous dilation...
September 27, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28946688/role-of-high-resolution-chest-computed-tomography-in-a-child-with-persistent-tachypnoea-and-intercostal-retractions-a-case-report-of-neuroendocrine-cell-hyperplasia
#9
Mara Lelii, Maria Francesca Patria, Raffaella Pinzani, Rossana Tenconi, Alessandro Mori, Nicola Bonelli, Nicola Principi, Susanna Esposito
Background: Chronic interstitial lung diseases in children (chILD) are a heterogeneous group of disorders that can represent a clinical challenge for pediatric pneumologists. Among them, neuroendocrine cell hyperplasia of infancy (NEHI) is a diffuse lung disease prevalent in the first years of life that spontaneously improves over time. The clinical presentation of NEHI is indistinguishable from other interstitial lung diseases, so a correct and non-invasive diagnosis by chest computed tomography (CT) without lung biopsy might not be simple...
September 25, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28883927/listening-panel-agreement-and-characteristics-of-lung-sounds-digitally-recorded-from-children-aged-1-59-months-enrolled-in-the-pneumonia-etiology-research-for-child-health-perch-case-control-study
#10
Eric D McCollum, Daniel E Park, Nora L Watson, W Chris Buck, Charatdao Bunthi, Akash Devendra, Bernard E Ebruke, Mounya Elhilali, Dimitra Emmanouilidou, Anthony J Garcia-Prats, Leah Githinji, Lokman Hossain, Shabir A Madhi, David P Moore, Justin Mulindwa, Dan Olson, Juliet O Awori, Warunee P Vandepitte, Charl Verwey, James E West, Maria D Knoll, Katherine L O'Brien, Daniel R Feikin, Laura L Hammit
INTRODUCTION: Paediatric lung sound recordings can be systematically assessed, but methodological feasibility and validity is unknown, especially from developing countries. We examined the performance of acoustically interpreting recorded paediatric lung sounds and compared sound characteristics between cases and controls. METHODS: Pneumonia Etiology Research for Child Health staff in six African and Asian sites recorded lung sounds with a digital stethoscope in cases and controls...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/28844207/a-novel-presentation-of-mycobacterium-avium-complex-in-a-recipient-of-a-lung-transplant-a-case-report
#11
Leah Cohen, Jeannette Guarner, William R Hunt
BACKGROUND: Lung transplantation remains an important potential therapeutic option for end-stage lung disease. It can improve quality of life and in some cases be a life-lengthening therapy. Despite the possible benefits, there are also many potential complications following transplantation. Here we describe a novel presentation of nontuberculous mycobacterium manifesting as an endobronchial mass developing 4 years after lung transplantation. CASE PRESENTATION: A 66-year-old African-American woman presented with progressive dyspnea, cough, and persistent wheezing of 2 months' duration...
August 28, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28840490/usability-of-computerized-lung-auscultation-sound-software-class-for-learning-pulmonary-auscultation
#12
Ana Machado, Ana Oliveira, Cristina Jácome, Marco Pereira, José Moreira, João Rodrigues, José Aparício, Luis M T Jesus, Alda Marques
The mastering of pulmonary auscultation requires complex acoustic skills. Computer-assisted learning tools (CALTs) have potential to enhance the learning of these skills; however, few have been developed for this purpose and do not integrate all the required features. Thus, this study aimed to assess the usability of a new CALT for learning pulmonary auscultation. Computerized Lung Auscultation-Sound Software (CLASS) usability was assessed by eight physiotherapy students using computer screen recordings, think-aloud reports, and facial expressions...
August 24, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28804889/a-randomised-trial-comparing-real-time-double-lumen-endobronchial-tube-placement-with-the-disposcope-%C3%A2-with-conventional-blind-placement
#13
P T Chen, C K Ting, M Y Lee, H W Cheng, K H Chan, W K Chang
Double-lumen endobronchial tube placement is challenging. This study compared double-lumen tube placement with the Disposcope(®) , a wireless videostylet allowing real-time visualisation, with conventional blind placement. Patients undergoing elective thoracic surgery with normal airways requiring one-lung ventilation were randomly allocated into two groups (27 patients in each group). The Disposcope was used to assist left-sided double-lumen tube placement in one group, and conventional blind placement was performed in the control group...
September 2017: Anaesthesia
https://www.readbyqxmd.com/read/28794843/whole-lung-lavage-complicated-with-pneumothorax-a-case-report
#14
Hyun-Joo Ahn, Mikyung Yang, Jie Ae Kim, Burnyoung Heo, Jin-Kyoung Kim, So Yoon Park
A patient with pulmonary alveolar proteinosis underwent whole lung lavage of the right lung. Lavage of the left lung was not immediately possible because of severe hypoxemia. Three days later, after correction of hypoxemia, we re-attempted the left lung lavage. However, the patient had severe hypoxemia (SpO2 < 80%) within a few minutes of performing right one lung ventilation (OLV). On bronchoscopic examination, proper tube location was confirmed. Bronchodilator nebulization and steroid injection were attempted with no effect...
August 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28781173/clinical-characteristics-and-risk-of-serious-disease-in-patients-referred-to-a-diagnostic-centre-a-cohort-study
#15
Esben Næser, Ulrich Fredberg, Henrik Møller, Peter Vedsted
BACKGROUND: Little is known about the clinical characteristics of patients referred to a diagnostic centre through the Danish urgent referral pathway for non-specific serious symptoms. We aimed at estimating the distribution of serious disease and the diagnostic value of clinical characteristics for the diagnosis of cancer and serious non-malignant disease in these patients. METHOD: A cohort study of 938 patients referred by their GP to the diagnostic centre at Silkeborg Regional Hospital...
October 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28738893/anaphylaxis-with-delayed-appearance-of-skin-manifestations-during-general-anesthesia-two-case-reports
#16
Hiroshi Hanamoto, Fumi Kozu, Aiko Oyamaguchi, Mika Inoue, Chizuko Yokoe, Hitoshi Niwa
BACKGROUND: Anaphylaxis is difficult to diagnose in the absence of skin or mucosal signs and symptoms. We report two cases of anaphylaxis under general anesthesia, in which the initial presentation was in the form of respiratory signs, followed by skin manifestations 10-15 min later. Diagnosis of anaphylaxis was delayed because skin symptoms were absent early on in the presentation. CASE PRESENTATION: In the first case, a 23-year-old male patient with jaw deformity was scheduled to undergo maxillary alveolar osteotomy...
July 24, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28641244/computerized-lung-sound-screening-for-pediatric-auscultation-in-noisy-field-environments
#17
Dimitra Emmanouilidou, Eric D McCollum, Daniel E Park, Mounya Elhilali
GOAL: Chest auscultations offer a non-invasive and low-cost tool for monitoring lung disease. However, they present many shortcomings including inter-listener variability, subjectivity, and vulnerability to noise and distortions. The current work proposes a computer-aided approach to process lung signals acquired in the field under adverse noisy conditions, by improving the signal quality and offering automated iden- tification of abnormal auscultations indicative of respiratory pathologies...
June 19, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28616240/metastatic-pancreatic-carcinoma-masquerading-as-cystic-lung-disease-a-rare-presentation
#18
Emily Stern, Taha Huseini, YiJin Kuok, Fiona Lake
This 52-year-old male ex-smoker presented with a six-month history of progressive breathlessness and weight loss. He deteriorated acutely, and was admitted with severe type 1 respiratory failure. Apart from diffuse coarse crackles on chest auscultation, physical examination was unremarkable. High-resolution computed tomography (HRCT) showed diffuse cystic changes throughout the lungs. A diagnosis of pulmonary Langerhans cell histiocytosis (PLCH) was considered. Further workup identified a coincidental pancreatic lesion of uncertain significance, which remained indeterminate on magnetic resonance imaging (MRI) and on positron emission tomography (PET)...
September 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28596461/classification-of-pulmonary-pathology-from-breath-sounds-using-the-wavelet-packet-transform-and-an-extreme-learning-machine
#19
Rajkumar Palaniappan, Kenneth Sundaraj, Sebastian Sundaraj, N Huliraj, S S Revadi
BACKGROUND: Auscultation is a medical procedure used for the initial diagnosis and assessment of lung and heart diseases. From this perspective, we propose assessing the performance of the extreme learning machine (ELM) classifiers for the diagnosis of pulmonary pathology using breath sounds. METHODS: Energy and entropy features were extracted from the breath sound using the wavelet packet transform. The statistical significance of the extracted features was evaluated by one-way analysis of variance (ANOVA)...
June 8, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28590447/left-right-asymmetry-in-spectral-characteristics-of-lung-sounds-detected-using-a-dual-channel-auscultation-system-in-healthy-young-adults
#20
Jang-Zern Tsai, Ming-Lang Chang, Jiun-Yue Yang, Dar Kuo, Ching-Hsiung Lin, Cheng-Deng Kuo
Though lung sounds auscultation is important for the diagnosis and monitoring of lung diseases, the spectral characteristics of lung sounds have not been fully understood. This study compared the spectral characteristics of lung sounds between the right and left lungs and between healthy male and female subjects using a dual-channel auscultation system. Forty-two subjects aged 18-22 years without smoking habits and any known pulmonary diseases participated in this study. The lung sounds were recorded from seven pairs of auscultation sites on the chest wall simultaneously...
June 7, 2017: Sensors
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