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Intrabronchial

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https://www.readbyqxmd.com/read/28930979/analysis-of-18fdg-pet-ct-imaging-as-a-tool-for-studying-mycobacterium-tuberculosis-infection-and-treatment-in-non-human-primates
#1
Alexander G White, Pauline Maiello, M Teresa Coleman, Jaime A Tomko, L James Frye, Charles A Scanga, Philana Ling Lin, JoAnne L Flynn
Mycobacterium tuberculosis remains the number one infectious agent in the world today. With the emergence of antibiotic resistant strains, new clinically relevant methods are needed that evaluate the disease process and screen for potential antibiotic and vaccine treatments. Positron Emission Tomography/Computed Tomography (PET/CT) has been established as a valuable tool for studying a number of afflictions such as cancer, Alzheimer's disease, and inflammation/infection. Outlined here are a number of strategies that have been employed to evaluate PET/CT images in cynomolgus macaques that are infected intrabronchially with low doses of M...
September 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28924110/bloody-bronchial-cast-formation-due-to-alveolar-hemorrhage-associated-with-h1n1-influenza-infection
#2
Yohei Okada, Asami Okada, Hiromichi Narumiya, Ryoji Iiduka, Kanade Katsura
A previously healthy 55-year-old man with H1N1 influenza A presented with severe respiratory failure and cardiac arrest. Following the return of spontaneous circulation, venovenous extracorporeal membrane oxygenation was required to maintain oxygenation. On day 2, bronchoscopy revealed a bloody bronchial cast obstructing the right main bronchus. A pathological examination revealed that it was composed of intrabronchial and intra-alveolar hemorrhagic tissue. Unfortunately, the patient died due to severe brain ischemia; a subsequent autopsy revealed marked alveolar hemorrhage...
September 15, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28915219/intrabronchial-catheter-resuscitation-for-respiratory-and-cardiorespiratory-arrest
#3
Jeffrey S Wolf, Andrea Hebert, Pablo Sanchez, Marniker Wijesinha, Scott Shapiro, Robert Morales, Aldo T Iacono
INTRODUCTION: We sought to determine whether intrabronchial oxygenation would provide adequate gas exchange during both anesthesia induced apneic and cardiopulmonary arrest and cardiac massage (CPR). METHODS: Ten pigs underwent general anesthesia with mechanical ventilation. Blood gases were measured in each animal at 4 min intervals for up to 28 min. An intrabronchial catheter (4 L/min O2) was inserted through an endotracheal tube after respirator cessation. Group A animals (6) were resuscitated with the catheter but without CPR...
September 14, 2017: Shock
https://www.readbyqxmd.com/read/28817821/endoscopic-lung-volume-reduction-an-expert-panel-recommendation-update-2017
#4
Felix J F Herth, Dirk-Jan Slebos, Gerard J Criner, Pallav L Shah
Interest in endoscopic lung volume reduction (ELVR) technologies for emphysema is consistently growing. In the last couple of months, several endoscopic options (e.g., endo- or intrabronchial valves, coil implants, and thermal vapor ablation) that have been evaluated in randomized controlled trials have been reported with the ultimate goal of improving respiratory mechanics and alleviating chronic dyspnea. Patients presenting with severe air trapping and thoracic hyperinflation have the greatest potential to derive benefit from ELVR procedures...
2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28756887/-results-of-bronchiectasis-surgery-about-64%C3%A2-cases
#5
S Rabiou, I Issoufou, F Z Ammor, H Harmouchi, L Belliraj, M Lakranbi, M Serraj, Y Ouadnouni, M Smahi
INTRODUCTION: Bronchiectasis is a serious and disabling disease. Surgical treatment is an interesting alternative to be proposed early to patients in case of complications or deterioration of quality of life, despite an optimal medical treatment. Through this retrospective study and literature review, we analyze surgical results for bronchiectasis. PATIENTS AND METHOD: We conducted a monocentric, retrospective, descriptive and analytical study in the Department of thoracic surgery of CHU Hassan II Fès, about 64 patients operated for bronchiectasis during the period from January 2009 to December 2016...
July 27, 2017: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/28665167/altered-hepatic-drug-metabolizing-activity-in-rats-suffering-from-hypoxemia-with-experimentally-induced-acute-lung-impairment
#6
Yuki Hori, Yasumasa Shimizu, Tetsuya Aiba
1. Hepatic drug-metabolizing activity was investigated in vitro with liver microsomes prepared from rats suffering from hypoxemia with experimentally induced acute lung impairment (ALI). 2. Male Wistar rats received an intrabronchial administration of dilute hydrochloride solution for ALI induction. Pooled liver microsomes were prepared for the normal and ALI rats, and the hepatic drug metabolism mediated by cytochrome P450 (CYP) 3A was examined in an incubation study with the microsomes. 3. The NADPH-dependent metabolism of midazolam significantly increases in ALI rats as compared with that in normal rats...
June 30, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28582786/management-of-persistent-air-leaks-with-intrabronchial-valves
#7
Matthias Hecker, Andreas Hecker, Konstantin Mayer, Biruta Witte
No abstract text is available yet for this article.
June 5, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28492094/bronchial-mucoepidermoid-carcinoma-with-the-classic-maml2-gene-rearrangement-in-a-2-year-old-boy
#8
Linda J Szymanski, Kira Molas-Torreblanca, Ramzi Bawab, Eugene Kim, Debra Don, Leo Mascarenhas, Phillip Stanley, Shengmei Zhou, Nick Shillingford
Pulmonary mucoepidermoid carcinoma (PMEC) is rare. To date, primary PMEC has not been reported in a child younger than 3 years of age. We report a case of a 2-year-old boy who presented with 3 episodes of wheezing, cough, and fever over a period of 1 month. Radiologic findings were consistent with foreign body aspiration with consequent bronchial obstruction. Bronchoscopy was performed and attempts to retrieve the foreign body resulted in a biopsy of a fleshy lesion. By histology, the lesion was an epithelial neoplasm comprising cells arranged in a nested pattern...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28450683/coil-intrabronchial-migration-in-an-arteriovenous-malformation-patient-treated-10-years-ago
#9
Tadashi Umehara, Masaya Aoki, Go Kamimura, Kazuhiro Wakida, Toshiyuki Nagata, Tsunayuki Otsuka, Masami Sato
A 56-year-old male who had received transcatheter coil deposition 10 years ago for an arteriovenous malformation (AVM) was admitted to our hospital because of persistent hemosputum. Chest radiograph and bronchoscopy revealed straightened coil bundles in his air way. Recently, less invasive transcatheter intervention has been performed more frequently for treatment of AVM than surgical resection. In our case, however, chest radiography and bronchoscopy showed that the coils might migrate from the deposited site to the airway...
August 20, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28446973/bronchoscopic-valves-for-prolonged-air-leak-current-status-and-technique
#10
REVIEW
Amit K Mahajan, Sandeep J Khandhar
Unidirectional airway valves are devices used for the treatment of persistent air leaks (PALs) secondary to alveolar-pleural fistulas (APF) or bronchopleural fistulas (BPFs). These valves were originally developed as a non-surgical alternative to lung volume reduction surgery (LVRS) for patients with chronic obstructive pulmonary disease (COPD). Randomized trials investigating the use of valves for bronchoscopic LVRS did not lead to the Federal Drug Administration (FDA) approval, but stemming from these studies a Humanitarian Device Exemption (HDE) was granted to Spiration intrabronchial valves (IBVs) for the treatment of PALs...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28341128/-a-bronchial-mucous-gland-adenoma-resected-by-endoscopic-procedure
#11
C Vergnenègre, J Hureaux, B Morvant, T Urban, T Jeanfaivre
INTRODUCTION: Surgical resection is usually performed for the treatment of endobronchial tumors. This case describes the use of endoscopic resection as an initial treatment, allowing to spare lung parenchyma. CASE REPORT: A patient was admitted to the emergency unit with right lower lobe pneumonia. A thoracic CT-scan and subsequent bronchoscopy revealed an intrabronchial tumor between the right main and intermediate bronchus. Biopsies were non-diagnostic and a PET-scanner did not find any abnormalities...
March 2017: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/28321697/robust-gene-expression-changes-in-the-ganglia-following-subclinical-reactivation-in-rhesus-macaques-infected-with-simian-varicella-virus
#12
Nicole Arnold, Christine Meyer, Flora Engelmann, Ilhem Messaoudi
Varicella zoster virus (VZV) causes varicella during acute infection and establishes latency in the sensory ganglia. Reactivation of VZV results in herpes zoster, a debilitating and painful disease. It is believed that VZV reactivates due to a decline in cell-mediated immunity; however, the roles that CD4 versus CD8 T cells play in the prevention of herpes zoster remain poorly understood. To address this question, we used a well-characterized model of VZV infection where rhesus macaques are intrabronchially infected with the homologous simian varicella virus (SVV)...
August 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28230230/bronchoscopic-lung-volume-reduction-procedures-for-chronic-obstructive-pulmonary-disease
#13
REVIEW
Joseph Em van Agteren, Khin Hnin, Dion Grosser, Kristin V Carson, Brian J Smith
BACKGROUND: In the recent years, a variety of bronchoscopic lung volume reduction (BLVR) procedures have emerged that may provide a treatment option to participants suffering from moderate to severe chronic obstructive pulmonary disease (COPD). OBJECTIVES: To assess the effects of BLVR on the short- and long-term health outcomes in participants with moderate to severe COPD and determine the effectiveness and cost-effectiveness of each individual technique. SEARCH METHODS: Studies were identified from the Cochrane Airways Group Specialised Register (CAGR) and by handsearching of respiratory journals and meeting abstracts...
February 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28219569/intrabronchial-pneumonectomy-for-vanishing%C3%A2-lung-syndrome-first-reported-case
#14
Nicholas Ballay, Brent Soder, Jeremiah Smith, Ashley Miller, James R Headrick
Vanishing lung syndrome is a clinical presentation of giant bullous emphysema associated with significant morbidity and mortality. We present a case of a 50-year-old white woman with vanishing lung syndrome who presented with a spontaneous secondary pneumothorax and an uncontrolled bronchopleural fistula. The large bronchopleural fistula was initially controlled with a double-lumen endotracheal tube and a tube thoracostomy. After surgical efforts failed, complete left lung isolation was performed with multiple intrabronchial valves...
March 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28186686/combined-bone-marrow-derived-mesenchymal-stromal-cell-therapy-and-one-way-endobronchial-valve-placement-in-patients-with-pulmonary-emphysema-a-phase-i-clinical-trial
#15
Hugo Goulart de Oliveira, Fernanda Ferreira Cruz, Mariana Alves Antunes, Amarilio Vieira de Macedo Neto, Guilherme Augusto Oliveira, Fabio Munhoz Svartman, Tamara Borgonovo, Carmen Lucia Kuniyoshi Rebelatto, Daniel J Weiss, Paulo Roberto Slud Brofman, Marcelo Marcos Morales, José Roberto Lapa E Silva, Patricia Rieken Macedo Rocco
One-way endobronchial valves (EBV) insertion to reduce pulmonary air trapping has been used as therapy for chronic obstructive pulmonary disease (COPD) patients. However, local inflammation may result and can contribute to worsening of clinical status in these patients. We hypothesized that combined EBV insertion and intrabronchial administration of mesenchymal stromal cells (MSCs) would decrease the inflammatory process, thus mitigating EBV complications in severe COPD patients. This initial study sought to investigate the safety of this approach...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/27984390/a-case-of-birt-hogg-dub%C3%A3-presenting-with-recurrent-pneumothorax-managed-with-intrabronchial-valve-placement
#16
LETTER
Angel Monserrate, Mohammed Al-Jaghbeer, Maria Cirino Marcano
No abstract text is available yet for this article.
January 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/27909283/-endobronchial-hamartoma-requiring-lobectomy-report-of-a-case
#17
Kyosuke Matsunaga, Yusuke Takanashi, Hironobu Oiki, Takamitsu Hayakawa, Shun Matsuura, Hiroshi Neyatani
We present a rare case of endobronchial hamartoma that required right middle and lower lobectomy. A 59-year-old man presented with cough and sputum lasting for 9 months. Chest X-ray revealed obstructive pneumonia of the right inferior lobe. Chest computed tomography demonstrated an intrabronchial mass lesion, size 12×12 mm, occluding the entrance of the right lower lobe bronchus associated with obstructive pneumonia of the right inferior lobe. Because transbronchial biopsy could not confirm the diagnosis, we performed a right middle and lower lobectomy to diagnose and treat obstructive pneumonia...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27895950/endobronchial-carcinoid-and-concurrent-carcinoid-syndrome-in-an-adolescent-female
#18
Jonathan D Cogen, Jonathan Swanson, Thida Ong
Endobronchial carcinoid tumors are the most common intrabronchial tumors in children and adolescents. Common signs and symptoms include persistent cough and wheezing not responsive to bronchodilators, hemoptysis, and recurrent fever. Diagnosis is frequently made by imaging and direct visualization with flexible bronchoscopy; surgery remains the gold standard treatment, and lung-sparing resections should be performed whenever possible. Though carcinoid syndrome-characterized by flushing, palpitations, wheezing, shortness of breath, and diarrhea-has been found in association with adult bronchial carcinoid tumors, to our knowledge only one previous study has reported the presence of carcinoid syndrome in a pediatric patient with an endobronchial carcinoid...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27681124/acute-simian-varicella-virus-infection-causes-robust-and-sustained-changes-in-gene-expression-in-the-sensory-ganglia
#19
Nicole Arnold, Thomas Girke, Suhas Sureshchandra, Ilhem Messaoudi
Primary infection with varicella-zoster virus (VZV), a neurotropic alphaherpesvirus, results in varicella. VZV establishes latency in the sensory ganglia and can reactivate later in life to cause herpes zoster. The relationship between VZV and its host during acute infection in the sensory ganglia is not well understood due to limited access to clinical specimens. Intrabronchial inoculation of rhesus macaques with simian varicella virus (SVV) recapitulates the hallmarks of VZV infection in humans. We leveraged this animal model to characterize the host-pathogen interactions in the ganglia during both acute and latent infection by measuring both viral and host transcriptomes on days postinfection (dpi) 3, 7, 10, 14, and 100...
December 1, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27677639/genomic-and-functional-analysis-of-the-host-response-to-acute-simian-varicella-infection-in-the-lung
#20
Nicole Arnold, Thomas Girke, Suhas Sureshchandra, Christina Nguyen, Maham Rais, Ilhem Messaoudi
Varicella Zoster Virus (VZV) is the causative agent of varicella and herpes zoster. Although it is well established that VZV is transmitted via the respiratory route, the host-pathogen interactions during acute VZV infection in the lungs remain poorly understood due to limited access to clinical samples. To address these gaps in our knowledge, we leveraged a nonhuman primate model of VZV infection where rhesus macaques are intrabronchially challenged with the closely related Simian Varicella Virus (SVV). Acute infection is characterized by immune infiltration of the lung airways, a significant up-regulation of genes involved in antiviral-immunity, and a down-regulation of genes involved in lung development...
September 28, 2016: Scientific Reports
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