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Lung auscultation

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https://www.readbyqxmd.com/read/29724435/lung-sounds-classification-using-convolutional-neural-networks
#1
Dalal Bardou, Kun Zhang, Sayed Mohammad Ahmad
Lung sounds convey relevant information related to pulmonary disorders, and to evaluate patients with pulmonary conditions, the physician or the doctor uses the traditional auscultation technique. However, this technique suffers from limitations. For example, if the physician is not well trained, this may lead to a wrong diagnosis. Moreover, lung sounds are non-stationary, complicating the tasks of analysis, recognition, and distinction. This is why developing automatic recognition systems can help to deal with these limitations...
May 1, 2018: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/29710187/prevalence-and-severity-of-high-blood-pressure-among-children-based-on-the-2017-american-academy-of-pediatrics-guidelines
#2
Atul K Sharma, Daniel L Metzger, Celia J Rodd
Importance: Based on the new 2017 blood pressure guidelines, the prevalence of high blood pressure (BP) among adults has increased from 32% to 46%. Based on new norms and diagnostic thresholds that better align with adult definitions, new clinical practice guidelines were also published for children. The American Academy of Pediatrics clinical practice guidelines for the management of elevated BP in children replace the 2004 fourth report from the National, Heart, Lung, and Blood Institute...
April 23, 2018: JAMA Pediatrics
https://www.readbyqxmd.com/read/29660247/pulmonary-functions-in-pseudoexfoliation-syndrome
#3
Muhammed Batur, Erbil Seven, Merhamet Tanrıkulu, Selami Ekin, Serek Tekin, Tekin Yasar
OBJECTIVES: It is well known that pseudoexfoliative material deteriorates iris dilatation function. This material was also found in lung tissue. The aim of the study was to evaluate pulmonary function in patients with pseudoexfoliation. METHODS: This prospective study included 60 pseudoexfoliation syndrome patients without any pulmonary diseases and 52 age- and gender-matched controls without any pulmonary diseases. Patients were asked about their cigarette use and the presence of any systemic diseases such as diabetes mellitus, arterial hypertension, and asthma...
April 16, 2018: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29650313/a-novel-feature-extraction-technique-for-pulmonary-sound-analysis-based-on-emd
#4
Ashok Mondal, Poulami Banerjee, Hong Tang
BACKGROUND AND OBJECTIVE: The stethoscope based auscultation technique is a primary diagnostic tool for chest sound analysis. However, the performance of this method is limited due to its dependency on physicians experience, knowledge and also clarity of the signal. To overcome this problem we need an automated computer-aided diagnostic system that will be competent in noisy environment. In this paper, a novel feature extraction technique is introduced for discriminating various pulmonary dysfunctions in an automated way based on pattern recognition algorithms...
June 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29650306/multichannel-lung-sound-analysis-for-asthma-detection
#5
Md Ariful Islam, Irin Bandyopadhyaya, Parthasarathi Bhattacharyya, Goutam Saha
BACKGROUND AND OBJECTIVE: Lung sound signals convey valuable information of the lung status. Auscultation is an effective technique to appreciate the condition of the respiratory system using lung sound signals. The prior works on asthma detection from lung sound signals rely on the presence of wheeze. In this paper, we have classified normal and asthmatic subjects using advanced signal processing of posterior lung sound signals, even in the absence of wheeze. METHODS: We collected lung sounds of 60 subjects (30 normal and 30 asthma) using a novel 4-channel data acquisition system from four different positions over the posterior chest, as suggested by the pulmonologist...
June 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29642833/-management-and-treatment-difficulties-of-multi-drug-resistant-pulmonary-tuberculosis-in-a-pediatric-case
#6
Selda Hançerli Törün, Emine Manolya Acar, Ayper Somer, Gonca Erköse, Dilek Şatana, Zuhal Bayramoğlu, Emine Çalışkan, Zeki Kılıçaslan
Tuberculosis continues to be a major health problem worldwide. Multidrug resistant tuberculosis (MDR-TB) infection that occurs in childhood is caused by adult MDR-TB agents which are in circulation and resistant to primary drugs. In this case report a 17-month-old child with MDR-TB who was cured after a 24-month therapy regimen was presented. Physical examination of a 17-month-old girl admitted to the hospital with the cause of recurrent pneumonia revealed a rubbery lymphadenopathy less than 2 cm in the right upper cervical region...
January 2018: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29622717/scorpion-bite-induced-unilateral-pulmonary-oedema
#7
Nandakishore Bompelli, Rakesh Reddy C, Anirudda Deshpande
A 24-year-old woman came to the emergency room of our hospital, 6 hours after a sting to the pulp of her middle finger of her left upper limb by an Indian red scorpion. On examination, she had tachycardia, tachypnoea, hypotension and low oxygen saturation at room temperature. On auscultation, there was poor air entry in all areas of the right lung along with crackles. The left lung field was normal on auscultation. Chest X-ray showed unilateral haziness of right lung field. Two-dimensional echocardiography showed clinical findings of myocarditis...
April 5, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29600103/report-of-a-lung-carcinoma-extended-to-the-left-atrium-through-pulmonary-vein
#8
Federico Cipriano, Lycio U Dessoti, Alfredo José Rodrigues, Walter Vilella de Andrade Vicente, Fernando Chahud, Paulo Roberto B Evora
Lung cancers may extend along or grow through the pulmonary veins to invade or lie within the left atrium (LA). A 62-year-old man, previously healthy, presented with 1-month ventilatory-independent right hemithorax back pain, dry cough and large effort dyspnea. He also referred weight loss of 12 kg in 10 months and denied hemoptysis. As antecedents, he smoked for 40 years and moderate daily alcoholism. On physical examination, the patient was in good general condition, hydrated and regular respiration at rest [blood pressure (BP) =120/80 mmHg; heart rate (HR) =90 bpm; respiratory rate (RR) =16 rpm]...
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29566438/ren%C3%A3-laennec-and-the-origins-of-the-stethoscope
#9
Göran Wennergren
Although more than 200 years have passed since the stethoscope was invented, auscultation of the lungs is still a cornerstone in the diagnostics of asthma and other lung disorders. It is gratifying that the importance of good skills in auscultation of respiratory sounds is highlighted in a Different View article by Korppi and Lauhkonen in this issue of Acta Paediatrica (1).The stethoscope was invented in 1816 by René Théophile Hyacinthe Laennec (1781-1826), while he was a physician at l'Hôpital Necker in Paris (Figure 1) (2)...
March 22, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29566436/auscultation-of-respiratory-sounds-how-to-practise-how-to-teach
#10
Matti Korppi, Eero Lauhkonen
A French physician René Laënnec invented the stethoscope for auscultation of heart and lung sounds in 1816 (1) and, more than 200 years later, the auscultation of respiratory sounds still provides experienced clinicians with useful, immediate and low-cost information on respiratory diseases. Lung auscultation is part of the physical examination and the findings should be interpreted jointly with the other clinical information that is available.Lung auscultation is a subjective method, which means that it poses a challenge with regard to transferring information on the observations between physicians...
March 22, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29566072/behaviour-during-transportation-predicts-stress-response-and-lower-airway-contamination-in-horses
#11
Barbara Padalino, Sharanne L Raidal, Peter Knight, Pietro Celi, Leo Jeffcott, Gary Muscatello
This study aimed to document the effects of an eight hour journey on behavioural, clinical, haematological, environmental and respiratory parameters, and to identify possible associations between factors. Twelve horses underwent clinical examination, respiratory endoscopy with tracheal wash (TW) aspiration, and collection of venous and arterial blood before (BJ) and after the journey (AJ). TW were submitted for conventional quantitative bacteriological evaluation and genetic microbiome analyses. Behaviour was assessed in stables prior to transportation and throughout the journey...
2018: PloS One
https://www.readbyqxmd.com/read/29550468/analysis-of-pulmonary-sounds-for-the-diagnosis-of-interstitial-lung-diseases-secondary-to-rheumatoid-arthritis
#12
Fabrizio Pancaldi, Marco Sebastiani, Giulia Cassone, Fabrizio Luppi, Stefania Cerri, Giovanni Della Casa, Andreina Manfredi
The diagnosis of interstitial lung diseases in patients affected by rheumatoid arthritis is fundamental to improving their survival rate. In particular, the average survival time of patients affected by rheumatoid arthritis with pulmonary implications is approximately 3 years. The gold standard for confirming the diagnosis of this disease is computer tomography. However, it is very difficult to raise diagnosis suspicion because the symptoms of the disease are extremely common in elderly people. The detection of the so-called velcro crackle in lung sounds can effectively raise the suspicion of an interstitial disease and speed up diagnosis...
May 1, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29545513/intraoperative-acute-respiratory-failure-in-an-immunocompromised-patient-with-human-metapneumovirus
#13
Justin S Merkow, Erik J Nelson
BACKGROUND Providing anesthesia to immunocompromised patients introduces unique challenges, including difficulty in detecting respiratory infections. Detailed preoperative evaluation and preparation for perioperative complications is crucial. Human metapneumovirus is a common but lesser known respiratory virus that can lead to pneumonia and respiratory compromise and is challenging to detect in the immunocompromised patient. CASE REPORT We present a case of an immunocompromised individual scheduled for umbilical hernia repair who developed severe bronchospasm and intraoperative respiratory failure after induction of general anesthesia...
March 16, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29504963/asthmatic-exacerbation-as-a-cause-of-false-positive-whole-body-iodine-scan-in-a-patient-with-treated-papillary-thyroid-carcinoma
#14
Guillaume Chaussé, Tina Kader, Gad Abikhzer, Stephan Probst
A 44-year-old woman was found to have new diffuse lung uptake on a follow-up whole-body I scan 1 year after being treated with surgery and radioactive iodine for papillary thyroid cancer. However, subsequent CT thorax and thyroglobulin levels were both unremarkable. Shortly after, she presented with respiratory symptoms, exhibiting end-expiratory wheezing on auscultation. Metacholine challenge test confirmed asthma. Symptoms improved under inhaled corticosteroids and beta-2 agonists. Resolution of lung uptake was confirmed on a second I imaging 6 months later...
April 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29423367/management-of-severe-childhood-pneumonia-by-day-care-approach-in-developing-countries
#15
Yasmin Jahan, Sm Atiqur Rahman, Abu Sayeed Chowdhury, Md Moshiur Rahman
Background: Pneumonia is a major cause of child mortality among children under 5 years, worldwide. Pneumonia infection may be caused by bacteria, viruses, or fungi in single or in both lungs. According to recent criteria developed by the World Health Organization(WHO) in September (2013), pneumonia can be classified into severe pneumonia, pneumonia and no pneumonia. Most of the deaths occur from severe pneumonia. Methods: Disease management of severe childhood pneumonia requires early identification,prompt referral and the availability of intensive quality care...
2018: Health Promotion Perspectives
https://www.readbyqxmd.com/read/29400899/mild-cough-%C3%A2-wheezing-%C3%A2-loud-heart-sounds-%C3%A2-dx
#16
Arneh Babakhani, Robert N Clapp, William B Warner
A 25-year-old man, who was an active duty US Navy sailor, went to his ship's medical department complaining of a mild cough that he'd had for 2 days. He denied having any fevers, chills, night sweats, angina, or dyspnea. He said he hadn't experienced any exertional fatigue or difficulty completing the rigorous physical tasks of his occupation as an engineman on the ship. The patient had no medical or surgical history of significance, and he wasn't taking any medications or supplements. On exam, he was not in acute distress and his vital signs were within normal limits...
February 2018: Journal of Family Practice
https://www.readbyqxmd.com/read/29333842/an-adolescent-with-idiopathic-pleuroparenchymal-fibroelastosis-case-report
#17
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
#18
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
#19
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...
April 2018: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29115206/bronchoscopy-in-children-suspected-of-lower-airway-aspiration
#20
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
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