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Airway obstruction

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https://www.readbyqxmd.com/read/29054974/laryngeal-closure-impedes-non-invasive-ventilation-at-birth
#1
Jessica R Crawshaw, Marcus J Kitchen, Corinna Binder-Heschl, Marta Thio, Megan J Wallace, Lauren T Kerr, Charles C Roehr, Katie L Lee, Genevieve A Buckley, Peter G Davis, Andreas Flemmer, Arjan B Te Pas, Stuart B Hooper
BACKGROUND: Non-invasive ventilation is sometimes unable to provide the respiratory needs of very premature infants in the delivery room. While airway obstruction is thought to be the main problem, the site of obstruction is unknown. We investigated whether closure of the larynx and epiglottis is a major site of airway obstruction. METHODS: We used phase contrast X-ray imaging to visualise laryngeal function in spontaneously breathing premature rabbits immediately after birth and at approximately 1 hour after birth...
October 20, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29054851/changes-in-the-venous-pulse-waveform-in-pericardial-effusion-revealed-by-doppler-echocardiography-of-the-superior-vena-cava
#2
Benoy N Shah, Dhrubo J Rakhit
Doppler echocardiography has become the imaging technique of choice for urgent bedside assessment of the haemodynamic significance of pericardial effusion. However, classical findings such as respiratory variation in trans-mitral and trans-tricuspid velocities and plethoric inferior vena cava are not pathognomonic of tamponade and may be seen in non-cardiac diseases such as obesity and obstructive airways disease. Thus, ancillary findings are sometimes of clinical value. This case illustrates the classical changes seen in the flow profile of the superior vena cava, which reflect the changes seen in the jugular venous pulse waveform, before and after pericardiocentesis...
October 20, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/29054824/4-hydroxycinnamic-acid-protects-mice-from-cigarette-smoke-induced-pulmonary-inflammation-via-mapk-pathways
#3
Sung-Hyeuk Park, Je-Won Ko, Na-Rae Shin, Dong-Ho Shin, Young-Kwon Cho, Chang-Seob Seo, Jong-Choon Kim, Joong-Sun Kim, In-Sik Shin
Cigarette smoke (CS) is the main etiological cause of chronic obstructive pulmonary disease, the prevalence of which has continuously increased in recent years. 4-Hydroxycinnamic acid (HA) is a plant phenolic acid that has anti-inflammatory activities. In this study, we explored the therapeutic effects of HA on airway inflammation caused by CS and lipopolysaccharide (LPS) in mice. The animals received 1 h of CS exposure for 7 days and intranasal instillation of LPS on day 4. HA (10 and 20 mg/kg) was administered to animals via oral gavage 1 h before CS exposure...
October 17, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29054717/-evaluation-of-quality-of-life-qol-of-tunisians-patients-with-copd
#4
R Khalladi, I Gargouri, M Mahjoub, S Belhareth, H Ben Saad
AIM: To test the Arabic version of the St. George's Hospital Respiratory Questionnaire (SGRQ) in stable Tunisian COPD patients. HYPOTHESES: A correlation coefficient between the post-bronchodilator FEV1 and the "Total" score of SGRQ higher than "-0.40", and QOL scores lower in COPD with "mild to moderate airway obstruction" than in those with "severe to very severe airway obstruction" will be in favor of a possible application of the Arabic version of the SGRQ in Tunisians COPD patients...
October 17, 2017: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/29054715/-negative-pressure-pulmonary-edema-following-a-cholecystectomy-a-case-report
#5
A Tebay, K Bouti, N Tebay
Negative pressure pulmonary edema (NPPE) or post-obstructive pulmonary edema (POPE) is a rare but a life threatening respiratory situation. The most frequent cause of NPPE is a post anesthetic laryngospasm. Edema is developed after relief of upper airway obstruction. Its incidence is 0.1 % of general anesthesia with tracheal intubation. We report this clinical case of a 28-year-old woman, who developed dyspnea followed by acute respiratory distress with unilateral pulmonary edema after extubation following general anesthesia for cholecystectomy under celioscopy...
October 17, 2017: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/29054482/the-effectiveness-of-an-obstructive-sleep-apnea-screening-and-treatment-program-in-patients-with-type-2-diabetes
#6
Lucas M Donovan, Michael Rueschman, Jia Weng, Nisha Basu, Katherine A Dudley, Jessie P Bakker, Rui Wang, Suzanne M Bertisch, Sanjay R Patel
AIMS: As recommended by current guidelines, we tested the acceptability and impact of screening patients with type 2 diabetes for obstructive sleep apnea (OSA). METHODS: In a large urban primary care practice, we instituted a telephone-based OSA screening program using a validated tool (STOP-BANG) in patients with type 2 diabetes. Patients identified as high risk were referred for diagnostic sleep testing, and those diagnosed with OSA were offered positive airway pressure (PAP) therapy...
October 17, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29054229/complications-of-endobronchial-ultrasound-guided-transbronchial-needle-aspiration
#7
Hidenao Kayawake, Toyofumi F Chen-Yoshikawa, Hiromi Oda, Hideki Motoyama, Masatsugu Hamaji, Toshi Menju, Akihiro Aoyama, Toshihiko Sato, Makoto Sonobe, Hiroshi Date
Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is considered useful for the staging and diagnosis of lung cancer or thoracic lymph node enlargement; however, little is known about its complications. Between July 2009 and November 2016, 413 patients underwent EBUS-TBNA, and four complications (0.97%) occurred. Here we report four cases involving complications of EBUS-TBNA, including mediastinitis (n = 2), obstructive pneumonia (n = 1), and airway obstruction requiring admission to the intensive care unit (n = 1)...
November 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29053714/atopic-asthmatic-immune-phenotypes-associated-with-airway-microbiota-and-airway-obstruction
#8
Benjamin A Turturice, Halvor S McGee, Brian Oliver, Melissa Baraket, Brian T Nguyen, Christian Ascoli, Ravi Ranjan, Asha Rani, David L Perkins, Patricia W Finn
BACKGROUND: Differences in asthma severity may be related to inflammation in the airways. The lower airway microbiota has been associated with clinical features such as airway obstruction, symptom control, and response to corticosteroids. OBJECTIVE: To assess the relationship between local airway inflammation, severity of disease, and the lower airway microbiota in atopic asthmatics. METHODS: A cohort of young adult, atopic asthmatics with intermittent or mild/moderate persistent symptoms (n = 13) were assessed via bronchoscopy, lavage, and spirometry...
2017: PloS One
https://www.readbyqxmd.com/read/29053025/e-cigarette-use-causes-a-unique-innate-immune-response-in-the-lung-involving-increased-neutrophilic-activation-and-altered-mucin-secretion
#9
Boris Reidel, Giorgia Radicioni, Phillip Clapp, Amina A Ford, Sabri Abdelwahab, Meghan E Rebuli, Prashamsha Haridass, Neil E Alexis, Ilona Jaspers, Mehmet Kesimer
RATIONALE: E-cigarettes have become increasingly popular and little is known about their potential adverse health effects. OBJECTIVE: To determine the effects of e-cigarette use on the airways. METHODS: Induced sputum samples from cigarette smokers, e-cigarette users, and non-smokers, were analyzed by quantitative proteomics, and the total and individual concentrations of mucins MUC5AC and MUC5B were determined by light scattering/refractometry and labeled mass spectrometry, respectively...
October 20, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29052061/comparison-of-two-new-techniques-for-the-management-of-malignant-central-airway-obstruction-argon-plasma-coagulation-with-mechanical-tumor-resection-versus-cryorecanalization
#10
Derya Kızılgöz, Zafer Aktaş, Aydın Yılmaz, Ayperi Öztürk, Fatih Seğmen
BACKGROUND: The development of central airway obstruction during malignant diseases is an important cause of morbidity and mortality. Endobronchial therapies can decrease the patient's symptoms and improve quality of life. Here, we compare airway recanalization methods: argon plasma coagulation with mechanical tumor resection (APC + MTR) and cryorecanalization (CR efficiency, complications, restenosis rate, and time to restenosis) in patients with malignant exophytic endobronchial airway obstruction...
October 19, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29051276/precision-medicine-in-airway-diseases-moving-to-clinical-practice
#11
Alvar Agustí, Mona Bafadhel, Richard Beasley, Elisabeth H Bel, Rosa Faner, Peter G Gibson, Renaud Louis, Vanessa M McDonald, Peter J Sterk, Mike Thomas, Claus Vogelmeier, Ian D Pavord
On February 21, 2017, a European Respiratory Society research seminar held in Barcelona discussed how to best apply precision medicine to chronic airway diseases such as asthma and chronic obstructive pulmonary disease. It is now clear that both are complex and heterogeneous diseases, that often overlap and that both require individualised assessment and treatment. This paper summarises the presentations and discussions that took place during the seminar. Specifically, we discussed the need for a new taxonomy of human diseases, the role of different players in this scenario (exposome, genes, endotypes, phenotypes, biomarkers and treatable traits) and a number of unanswered key questions in the field...
October 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29050661/the-olin-eilobi-breathing-techniques-description-and-initial-case-series-of-novel-respiratory-retraining-strategies-for-athletes-with-exercise-induced-laryngeal-obstruction
#12
Kristina L Johnston, Hannah Bradford, Heather Hodges, Camille M Moore, Emily Nauman, J Tod Olin
INTRODUCTION: Exercise-induced laryngeal obstruction (EILO), the condition previously known as paradoxical vocal fold motion and vocal cord dysfunction, is characterized by inappropriate glottic or supraglottic obstruction during high-intensity exercise, causing exertional dyspnea, frequently with stridor. EILO is definitively diagnosed through upper-airway visualization during a characteristic episode. Although respiratory retraining is a primary therapy for EILO, many patients report symptom persistence despite adequate performance of traditional techniques...
October 11, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29050104/-hypoglossal-nerve-stimulation-therapy-for-obstructive-sleep-apnea-hypopnea-syndrome
#13
Q Yan, B Guan
Obstructive sleep apnea hypopnea syndrome(OSAHS) is a clinical and critical disease to health, which the accuratly pathogenesis is not very explicit. The mainstream research suggested that dysfunction of upper airway dilator muscles is one of the hazard factors. Genioglossus innervated by the hypoglossal nerve plays crucial roles. It could expand volume of pharyngeal cavity, and increase airflow rate when stimulate it.With the development of anatomy and physiology, hypoglossal nerve stimulation(HGNS) entered into clinical trials, and had made tremendous progress since 2001...
October 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29049822/treatment-of-acute-upper-airway-obstruction
#14
Sarah K Rapoport, Ziad E Deeb, Kelly A Scriven
No abstract text is available yet for this article.
October 12, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/29049810/the-use-of-ultrasound-in-the-management-of-a-life-threatening-malignant-laryngotracheal-obstruction
#15
Alfonso Fiorelli, Gaetana Messina, Antonio Raucci, Mario Santini
Ultrasound is becoming a valuable diagnostic tool in the armamentarium of thoracic surgeons. We report its use to follow stent placement in the laryngotracheal position for management of life-threatening neoplastic obstruction. For this purpose, a 15-MHz linear probe was placed in the midline at the level of the cricoid cartilage. Ultrasound performed daily at bedside showed normal movement of vocal folds and no stent dislocation. This strategy may be an alternative to computed tomography scan or endoscopy to follow stent placement in extrathoracic airways...
September 26, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049474/virtual-surgery-for-the-nasal-airway-a-preliminary-report-on-decision-support-and-technology-acceptance
#16
Derek L Vanhille, Guilherme J M Garcia, Onur Asan, Azadeh A T Borojeni, Dennis O Frank-Ito, Julia S Kimbell, Sachin S Pawar, John S Rhee
Importance: Nasal airway obstruction (NAO) is a common problem that affects patient quality of life. Surgical success for NAO correction is variable. Virtual surgery planning via computational fluid dynamics (CFD) has the potential to improve the success rates of NAO surgery. Objective: To elicit surgeon feedback of a virtual surgery planning tool for NAO and to determine if this tool affects surgeon decision making. Design, Setting, and Participants: For this cross-sectional study, 60-minute face-to-face interviews with board-certified otolaryngologists were conducted at a single academic otolaryngology department from September 16, 2016, through October 7, 2016...
October 12, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/29049440/treatment-of-acute-upper-airway-obstruction-reply
#17
Kenneth Grundfast
No abstract text is available yet for this article.
October 12, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/29049073/postoperative-outcomes-in-obstructive-sleep-apnea-patients-undergoing-cardiac-surgery-a-systematic-review-and-meta-analysis-of-comparative-studies
#18
Mahesh Nagappa, George Ho, Jayadeep Patra, Jean Wong, Mandeep Singh, Roop Kaw, Davy Cheng, Frances Chung
BACKGROUND: Obstructive sleep apnea (OSA) is a common comorbidity in patients undergoing cardiac surgery and may predispose patients to postoperative complications. The purpose of this meta-analysis is to determine the evidence of postoperative complications associated with OSA patients undergoing cardiac surgery. METHODS: A literature search of Cochrane Database of Systematic Reviews, Medline, Medline In-process, Web of Science, Scopus, EMBASE, Cochrane Central Register of Controlled Trials, and CINAHL until October 2016 was performed...
October 17, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29049049/treatable-traits-of-chronic-airways-disease
#19
James Fingleton, Jo Hardy, Richard Beasley
PURPOSE OF REVIEW: To describe the rationale on which the treatable traits approach to the management of airways disease is based and the issues that need to be considered for its implementation in clinical practice. RECENT FINDINGS: In clinical practice, treatable traits can be classified according to both endotypes and phenotypes, broadly grouped within pulmonary, extrapulmonary, environmental and behavioural factors. Specific investigations and treatments are undertaken for each of the traits rather than a 'one size fits all' stepwise approach to pharmacological treatment which currently represents the core of asthma and chronic obstructive pulmonary disease (COPD) guidelines...
October 18, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/29049041/the-impact-of-lifestyle-intervention-on-atrial-fibrillation
#20
Kathryn L Hong, Benedict M Glover
PURPOSE OF REVIEW: Atrial fibrillation is the most common sustained cardiac arrhythmia, attributable to several factors that may be amenable through lifestyle modification. There is emerging evidence to suggest that the successful management of several cardiovascular risk factors [obesity, hypertension (HTN), diabetes mellitus, and obstructive sleep apnea (OSA)] can lead to fewer complications and atrial fibrillation prevention. However, the long-term sustainability and reproducibility of these effects have yet to be explored in larger studies...
October 18, 2017: Current Opinion in Cardiology
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