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Bronchial stent

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https://www.readbyqxmd.com/read/27863670/selection-and-fabrication-of-a-non-woven-polycarbonate-urethane-cover-for-a-tissue-engineered-airway-stent
#1
Weiluan Chen, Johanna Clauser, Anja Lena Thiebes, Donnacha J McGrath, Peter E McHugh, Ulrich Steinseifer, Stefan Jockenhoevel, Wim E Hennink, Robbert Jan Kok
One of the major problems in end-stage bronchotracheal cancer is stenosis of the upper airways, either due to luminal ingrowth of the tumor or mucus plugging. Airway stents that suppress tumor ingrowth and sustain mucociliary transport can alleviate these problems in end-stage bronchial cancer. We evaluated different types of polymeric covers for a tissue engineered airway stent. The distinguishing feature of this stent concept is that respiratory epithelial cells can grow on the luminal surface of the stent which facilitates mucociliary clearance...
November 30, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27843111/a-comprehensive-review-of-in-situ-fenestration-of-aortic-endografts
#2
REVIEW
M Glorion, R Coscas, R G McWilliams, I Javerliat, O Goëau-Brissonniere, M Coggia
OBJECTIVE: Despite technical advances of fenestrated and branched endografts, endovascular exclusion of aneurysms involving renal, visceral, and/or supra-aortic branches remains a challenge. In situ fenestration (ISF) of standard endografts represents another endovascular means to maintain perfusion to such branches. This study aimed to review current indications, technical descriptions, and results of ISF. METHOD: A review of the English language literature was performed in Medline databases, Cochrane Database, Web of Science, and Scopus using the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines...
December 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27829946/double-stenting-for-malignant-oesophago-respiratory-fistula
#3
Janusz Włodarczyk, Jarosław Kużdżał
INTRODUCTION: The close anatomical relationship between the oesophagus and bronchial tree results in formation of an oesophago-respiratory fistula in a subset of patients with advanced oesophageal or lung cancer. In those patients stenting of both the oesophagus and tracheobronchial tree is a valid option of palliative treatment. AIM: To determine the effectiveness, tolerance, quality of life, safety and survival after double stenting procedures. MATERIAL AND METHODS: Retrospective analysis of a prospectively collected database was performed, concerning consecutive patients with oesophago-respiratory fistulas treated with double stenting...
2016: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/27815921/bronchial-artery-aneurysm-suggested-to-be-caused-by-metalic-tracheal-stent-migration
#4
Kiyoshi Sato, Satoshi Fumimoto, Takehisa Fukada, Kaoru Ochi, Takayuki Kataoka, Yoshio Ichihashi, Hidetoshi Satomi, Takuya Morita, Nobuharu Hanaoka, Yoshikatsu Okada, Takahiro Katsumata
Occurrence of bronchial artery aneurysm is rare, and it has been detected in less than 1 % of all selective bronchial arteriography cases. Here, we present a case of a bronchial artery aneurysm caused by a tracheal stent migration. A 59-year-old man was operated on for esophageal cancer, where an esophageal-tracheal fistula occurred 1 week after operation. Surgical repair of the esophageal-tracheal fistula was performed using a muscle flap, but this not results in fistula closure. Consequently, a self-expanding covered metallic tracheal stent was implanted for rescue, and this resulted in fistula closure...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27766409/laser-tracheobronchoplasty-a-novel-technique-for-the-treatment-of-symptomatic-tracheobronchomalacia
#5
Paul Castellanos, Manjunath Mk, Ihab Atallah
The management of tracheobronchomalacia is a very challenging problem with few treatment options. This study aims to evaluate the outcomes of a novel surgical treatment for membranous tracheobronchomalacia. A consecutive series of patients with tracheobronchomalacia were treated with two to three holmium laser scarring surgeries of the hyperdynamic tracheal and bronchial walls for the purpose of stiffening them through fibrosis. Patients filled out a Dyspnea Index questionnaire before and after treatment. Ten patients were treated for their tracheobronchomalacia with a mean age of 54 years...
October 20, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27751243/repair-of-large-airway-defects-with-bioprosthetic-materials
#6
Brooks V Udelsman, Jessica Eaton, Ashok Muniappan, Christopher R Morse, Cameron D Wright, Douglas J Mathisen
OBJECTIVE: Patients with complicated airway defects that exceed the limits of primary repair represent a challenging clinical problem and require alternative techniques for repair. The aim of this study was to evaluate bioprosthetic reconstruction of large tracheal and bronchial defects. METHODS: Retrospective chart review of patients treated at a single tertiary center from 2008 to 2015 who underwent repair of tracheal or bronchial defects with a bioprosthetic device, namely aortic homograft or acellular dermal matrix...
November 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27744319/residual-tracheobronchial-malacia-after-surgery-for-vascular-compression-in-children-treatment-with-stenting%C3%A2
#7
Paola Serio, Raffaella Nenna, Valentina Fainardi, Laura Grisotto, Annibale Biggeri, Roberto Leone, Luigi Arcieri, Marco Di Maurizio, Denise Colosimo, Roberto Baggi, Bruno Murzi, Lorenzo Mirabile, Fabio Midulla
OBJECTIVES: Surgery for vascular anomalies can occasionally fail to relieve symptoms, especially when severe tracheobronchial malacia persists. We studied outcomes in children who underwent airway stenting for severe post-surgical airway malacia and tested known clinical and surgical prognostic factors. METHODS: Among 257 children evaluated for tracheobronchial vascular compression, we reviewed the clinical charts for the 59 patients (23%) who underwent surgery...
October 15, 2016: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/27608892/age-and-gender-related-changes-in-bronchial-tree-a-morphometric-study-with-multidedector-ct
#8
M Ulusoy, I I Uysal, A S Kıvrak, S Ozbek, A K Karabulut, Y Paksoy, N U Dogan
OBJECTIVE: The aims of this study are the identification of differences in the diameter, length, area and branching angles of the trachea and bronchi with gender and age, and the identification of trachea types by using MDCT images. PATIENTS AND METHODS: The thoracic MDCT images of 253 patients (0-74 years old, 142 male and 111 female) were evaluated. Tracheal diameter, tracheal cross-sectional area, diameter and length of bronchi, and several angles of the bronchial tree [e...
August 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27583854/endovascular-treatment-of-ectopic-bronchial-artery-aneurysm-with-brachiocephalic-artery-stent-placement-and-coil-embolization-a-case-report-and-literature-review
#9
Xiao Di, Dong-Hua Ji, Yu Chen, Chang-Wei Liu, Bao Liu, Juan Yang
BACKGROUND: Bronchial artery aneurysm (BAA) is an uncommon but potentially life-threatening disease, and multiple BAAs are even rarer. Clinically, the tortuous and short neck of a BAA may present significant challenges for invasive intervention. METHODS: This report describes the detailed process of diagnosis and treatment and includes a literature review of the etiology, clinical presentation, and therapeutic management of BAA. RESULTS: A rare case of multiple BAAs, with one having an inflow artery arising from the brachiocephalic trunk, was referred to our hospital...
August 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27519594/individualized-airway-covered-stent-implantation-therapy-for-thoracogastric-airway-fistula-after-esophagectomy
#10
Xinwei Han, Lei Li, Yanshi Zhao, Chao Liu, Dechao Jiao, Kewei Ren, Gang Wu
BACKGROUND: Thoracogastric airway fistula (TGAF) is a rare and dangerous complication of esophagectomy performed for esophageal and cardiac carcinomas. Herein, we aimed to explore the feasibility and efficacy of individualized airway stent implantation for the treatment of TGAF after esophagectomy. METHODS: Based on different TGAF types and relevant data on chest computed tomography, customized airway-covered stents were positioned so as to cover the entrance to the fistula by an interventional radiologist using fluoroscopic guidance...
August 12, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27445557/update-on-nonsurgical-lung-volume-reduction-procedures
#11
REVIEW
J Alberto Neder, Denis E O'Donnell
There has been a surge of interest in endoscopic lung volume reduction (ELVR) strategies for advanced COPD. Valve implants, coil implants, biological LVR (BioLVR), bronchial thermal vapour ablation, and airway stents are used to induce lung deflation with the ultimate goal of improving respiratory mechanics and chronic dyspnea. Patients presenting with severe air trapping (e.g., inspiratory capacity/total lung capacity (TLC) < 25%, residual volume > 225% predicted) and thoracic hyperinflation (TLC > 150% predicted) have the greatest potential to derive benefit from ELVR procedures...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/27374675/successful-pancreatic-duct-stent-placement-for-recurrent-pancreatitis-in-a-patient-with-polysplenia-with-agenesis-of-the-dorsal-pancreas-and-peutz-jeghers-syndrome
#12
Shintaro Kawasaki, Takao Itoi, Eisuke Iwasaki, Naoki Hosoe, Haruhiko Ogata, Takanori Kanai
A 52-year-old woman presented with relapsing acute pancreatitis. A contrast CT scan revealed polysplenia, agenesis of the dorsal pancreas, preduodenal portal vein, inferior vena cava with persistent continuity of the azygos vein, abnormal lung lobation with bilateral left bronchial morphology, and intestinal malrotation (non-rotation type). To the best of our knowledge, this is the first report in which successful pancreatic duct stent placement for the treatment of recurrent pancreatitis was performed in a polysplenia patient with agenesis of the dorsal pancreas, separate bile and pancreatic ducts and Peutz-Jeghers syndrome...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27343540/extracorporeal-lung-support-as%C3%A2-a%C3%A2-bridge-to-airway-stenting%C3%A2-and%C3%A2-radiotherapy-for%C3%A2-airway-obstructing-pancoast%C3%A2-tumor
#13
Melissa McLenon, Gregory J Bittle, Kevin Jones, Jay Menaker, Si M Pham, Aldo T Iacono, Ashutosh Sachdeva, Keshava Rajagopal
Venovenous (V-V) extracorporeal membrane oxygenation (ECMO) is used for respiratory failure that is suspected to be reversible (bridge to recovery), or as a bridge to lung transplantation. Patients with proximal airway obstruction due to endobronchial malignancy can develop acute respiratory failure, and may benefit from V-V ECMO as a bridge to airway intervention, further treatment, and eventual recovery. We describe a case of a superior sulcus tumor with tracheobronchial and superior vena cava invasion causing both respiratory failure and superior vena cava syndrome...
July 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27110422/stent-in-stent-technique-for-the-treatment-of-proximal-bronchial-restenosis-after-insertion-of-metallic-stents-a-report-of-two-cases
#14
Benjamin Bondue, Pascal Schlossmacher, Christiane Knoop, Isabelle Etienne, Sylvie Luce, Youri Sokolow, Dimitri Leduc
Endoscopic treatment of a bronchial restenosis previously treated by insertion of a partially covered self-expandable metallic stent (SEMS) can be difficult. Classically, after recanalization of the bronchus, the stent is removed and replaced by a more adapted one. We report on two cases of proximal bronchial restenosis treated by insertion of an additional stent inside the lumen of the previously inserted stent using the stent-in-stent (SIS) technique. The indications for the initial stent were malignancy in Patient 1 and posttransplant bronchial stenosis in Patient 2...
2016: Case Reports in Pulmonology
https://www.readbyqxmd.com/read/27081233/transnasal-tracheobronchial-stenting-for-malignant-airway-narrowing-under-local-anesthesia-our-experience-of-treating-three-cases-using-this-technique
#15
Jayanta Medhi, Akash Handique, Amit Goyal, Donbok Lynser, Pranjal Phukan, Kalyan Sarma, Aswin Padmanabhan, Manuj Kumar Saikia, Happy Chutia
PURPOSE: To study the technical feasibility of tracheobronchial stenting via transnasal route under bronchoscopy and fluoroscopic guidance in severe malignant airway strictures using self-expandable nitinol stents. MATERIALS AND METHODS: We describe three patients with malignant airway strictures, treated entirely via transnasal route under local anesthesia using bronchoscopic and fluoroscopic guidance. Nasal route allowed convenient access to the airway for the bronchoscope across the stricture and a guidewire was introduced through its working channel...
January 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/27080697/treatment-of-multiple-level-tracheobronchial-stenosis-secondary-to-endobronchial-tuberculosis-using-bronchoscopic-balloon-dilatation-with-topical-mitomycin-c
#16
Mohamed Faisal, Hafaruzi Harun, Tidi M Hassan, Andrea Y L Ban, Sanjay H Chotirmall, Jamalul Azizi Abdul Rahaman
BACKGROUND: Tracheobronchial stenosis is a known complication of endobronchial tuberculosis. Despite antituberculous and steroid therapy, the development of bronchial stenosis is usually irreversible and requires airway patency to be restored by either bronchoscopic or surgical interventions. We report the use of balloon dilatation and topical mitomycin-C to successful restore airway patency. CASE PRESENTATION: We present a 24-year old lady with previous pulmonary tuberculosis and laryngeal tuberculosis in 2007 and 2013 respectively who presented with worsening dyspnoea and stridor...
2016: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/27017413/treatment-of-a-bronchial-artery-aneurysm-with-placement-of-an-aortic-thoracic-stent-graft
#17
B Fiorucci, G Simonte
No abstract text is available yet for this article.
May 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/26891154/trading-scalpels-for-sheaths-catheter-based-treatment-of-vascular-injury-can-be-effectively-performed-by-acute-care-surgeons-trained-in-endovascular-techniques
#18
Megan Brenner, Melanie Hoehn, William Teeter, Deborah Stein, Thomas Scalea
BACKGROUND: The skill set of the acute care surgeon can be expanded by formal training. We report the first series of traumatic vascular injury (TVI) treated by acute care surgeons trained in endovascular techniques (ACSTEV). METHODS: We retrospectively reviewed patients admitted to our trauma center with TVI over 5 months who survived for more than 24 hours and had catheter diagnosis and/or therapy by ACSTEV. Demographics, admission data, and outcomes were reviewed...
May 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/26879481/bronchoscopic-palliation-to-treat-endobronchial-metastasis-of-the-tracheobronchial-tree
#19
Levent Dalar, Cengiz Özdemir, Sinem Nedime Sökücü, Levent Karasulu, Sedat Altın
BACKGROUND: Endobronchial metastases (EBM) are rarely observed, but they are caused by a number of different tumors. Bronchoscopy is the main approach for both differential diagnosis and to maintain endoluminal palliation. In this study, consecutive EBM cases that had been diagnosed and treated were evaluated in a retrospective cohort. METHODS: In total, 18 pathologically verified patients with EBM originating from extrathoracic tumors who were referred to our interventional pulmonology unit with respiratory symptoms were retrospectively evaluated...
March 2016: Respiratory Investigation
https://www.readbyqxmd.com/read/26762468/reversing-left-bronchus-obstruction-by-compression-of-a-pulmonary-artery-stent
#20
Stephen C Brown, Marijke Proesmans, Marc Gewillig
We report a case where endovascular stenting as part of the treatment of complex cardiovascular disease led to airway compression. Using a novel technique, this was successfully reversed. Simultaneous inflations of two balloons-one in the obstructed bronchus and one in the aorta combined with external compression of the chest-resulted in compression the stent. This report illustrates that by thinking "out of the box" and bearing in mind spatial relationships inside the chest, it is possible to diminish the anterior-posterior diameters of a stent...
July 2016: Catheterization and Cardiovascular Interventions
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