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https://www.readbyqxmd.com/read/28078443/double-stenting-with-silicone-and-metallic-stents-for-malignant-airway-stenosis
#1
Keitaro Matsumoto, Naoya Yamasaki, Tomoshi Tsuchiya, Takuro Miyazaki, Ryotaro Kamohara, Go Hatachi, Takeshi Nagayasu
For severe malignant airway stenosis, there are several types of commercially available airway stents, and each has its own advantages and disadvantages. We herein describe the safety and efficacy of combination stenting with silicone and metallic stents for patients with extended malignant airway stenosis. Seven patients with malignant airway stenosis were treated via combination stenting with a silicone stent and a metallic stent for extended airway stenosis from the central to peripheral airways. Five patients were diagnosed with advanced esophageal cancer, two of whom had tracheoesophageal fistulas...
January 11, 2017: Surgery Today
https://www.readbyqxmd.com/read/28031841/long-term-outcome-of-nitinol-stenting-to-treat-asphyxia-caused-by-postpneumonectomy-syndrome
#2
Jiro Abe, Toru Hasumi, Ryota Tanaka, Yasuki Saito, Keishi Kanma, Satomi Takahashi
The long-term outcome of nitinol stents introduced into a patient with postpneumonectomy syndrome is described. Postpneumonectomy syndrome is a rare but crucial complication after pneumonectomy characterized by severe dyspnoea and recurrent airway infection caused by compression of the main bronchus. Surgical correction of mediastinal displacement and endobronchial stent placement are two major treatments for this complication; however, endobronchial stenting may be limited to those who are not suitable for operative procedures because long-term management is difficult in terms of controlling airway infections...
January 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28024711/-progressive-hematoma-in-anterior-neck-after-endovascular-treatment-of-middle-cerebral-artery-aneurysm
#3
Aysun Ankay Yilbas, Cigdem Kanburoglu, Filiz Uzumcugil, Coskun Cifci, Ozge Ozen Saralp, Heves Karagoz, Seda Banu Akinci, Anil Arat
BACKGROUND: Cervical hematomas can lead to airway compromise, a life threatening condition, regardless of the cause. The following case is the first presentation of cervical hematoma as a complication of endovascular treatment of middle cerebral artery aneurysm. CASE REPORT: A 49 year-old woman was scheduled for stent placement under general anesthesia for middle cerebral artery aneurysm. Few days before intervention, acetyl salicylic acid and clopidogrel treatment was started...
December 23, 2016: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28005835/our-experience-on-silicone-y-stent-for-severe-copd-complicated-with-expiratory-central-airway-collapse
#4
Mehmet A Ozgul, Erdogan Cetinkaya, Mustafa Cortuk, Sinem Iliaz, Elif Tanriverdi, Sule Gul, Guler Ozgul, Hilal Onaran, Kenan Abbasli, Huseyin E Dincer
BACKGROUND: Expiratory central airway collapse (ECAC) is abnormal central airway narrowing during expiration. ECAC involves 2 different pathophysiological entities as tracheobronchomalacia and excessive dynamic airway collapse (EDAC). Although the exact cause is unknown, chronic obstructive pulmonary disease (COPD) is frequently accompanied by ECAC. Although there are various publications on the relationship between COPD and ECAC, there are very few data for stent placement in patients with tracheobronchomalacia accompanied severe COPD...
December 21, 2016: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/27999779/obstruction-of-the-right-stem-bronchus-due-to-ovarian-local-metastasis-a-5-year-follow-up
#5
Ilias Karapantzos, Paul Zarogoulidis, Michail Karanikas, Vasilis Thomaidis, Charalampos Charalampidis, Chrysa Karapantzou
Currently interventional bronchoscopy is used for debulking, desobstruction and airway patency stabilization. The interventional techniques are being used for both benign and malignant cases. There are two types of stents that are currently being used, silicon and self-expandable metallic. The method of application and stent remains for the treating physician to choose. In the current case we will present a case of metastatic disease from ovarian cancer in the airway lumen and a long term follow-up.
November 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/27995292/initial-experience-with-elective-perventricular-melody-valve-placement-in-small-patients
#6
Aamisha Gupta, Damien Kenny, Massimo Caputo, Zahid Amin
Perventricular Melody valve placement has been described as a bailout approach or alternative RVOT approach in patients >30 kg. We present three patients <20 kg and two patients with limited venous access, where we electively performed the perventricular approach. Retrospective analysis of patients <30 kg and vascular access limitation undergoing elective hybrid pulmonary valve replacement were reviewed. The subcostal approach was performed without sternotomy with the sheath introduced through the diaphragmatic surface of the right ventricle...
December 20, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27978871/-interventional-bronchoscopies-for-the-treatment-of-112-cases-with-complex-malignant-central-airway-diseases-involved-in-bifurcation
#7
Hongwu Wang, Nan Zhang, Dongmei Li, Meimei Tao, Jieli Zhang, Hang Zou, Yunzhi Zhou, Sujuan Liang, Xiuyun Bai
BACKGROUND: It is very difficult to deal with the comprehensive central airway diseases, especially the malignant airway obstruction. The aim of this study is to explore the clinical effects of multiple interventional bronchoscopies for the treatment of 112 cases with comprehensive malignant central airway diseases so as to evaluate the clinical applications of thermoablation and cryosurgery. METHODS: The 112 cases with malignant airway diseases retrospectively reviewed for bronchoscopic interventions performed in more than two lesions of carina and/or bifurcation...
December 20, 2016: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/27938547/-effect-of-self-expanding-bare-metal-stents-of-different-diameters-on-the-trachea-of-dogs
#8
T Wang, J Zhang, J Wang, Y H Pei, X J Qiu, Y L Wang
Objective: To study the effect of self-expanding bare metal stents on the trachea of dogs, and therefore to provide useful information for choice of airway stents by interventional physicians. Methods: In this experiment, 8 beagles were randomly divided into 4 groups. Four self-expanding metal stents of different diameters (16, 18, 20 and 22 mm, respectively) were placed in the trachea of these beagles for 3 months and their impacts on normal trachea were observed. Results: In the 16 mm stent group (stent-to-airway diameter ratio 103%), good epithelialization was observed and the tracheal structure had no significant damage...
December 12, 2016: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/27924176/our-clinical-experience-of-self-expanding-metal-stent-for-malignant-central-airway-obstruction
#9
Akash Verma, Chee Kiang Phua, Qiu Mei Wu, Wen Yuan Sim, Audrey Wee Chuan Rui, Soon Keng Goh, Benjamin Ho, Ai Ching Kor, Andrew S Y Wong, Albert Y H Lim, Dessmon Y H Tai, John Abisheganaden
BACKGROUND: We studied the safety, effectiveness, and limitations of airway stenting using self-expanding metal stent (SEMS) in patients with malignant central airway obstruction (CAO). METHODS: A retrospective review of records of patients undergoing SEMS placement for malignant CAO during year 2013 - 2014 was done. RESULTS: Sixteen patients (11 males and five females) underwent SEMS placement for malignant CAO. Median (range) age was 66 (54 - 78) years...
January 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/27873529/tracheal-allotransplantation-and-regeneration
#10
P Delaere, M Molitor
Non-malignant and malignant obstruction of the tracheal airway causes significant morbidity and mortality. With increased use of artificial airways, benign and iatrogenic complications are increasing. A tracheal stenosis that is less than 5 cm in length can be resected with end-to-end anastomosis. Longer tracheal lesions can be treated in a palliative way by placement of a stent to secure airway lumen patency. The management of tracheal defects is an evolving field. Tracheal transplantation and tracheal regeneration may provide major treatment advances to cases with long-segment tracheal involvement...
2016: Acta Chirurgiae Plasticae
https://www.readbyqxmd.com/read/27863670/selection-and-fabrication-of-a-non-woven-polycarbonate-urethane-cover-for-a-tissue-engineered-airway-stent
#11
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/27863648/biodegradable-airway-stents-in-infants-potential-life-threatening-pitfalls
#12
B Sztanó, G Kiss, K Márai, G Rácz, I Szegesdi, K Rácz, G Katona, L Rovó
OBJECTIVE: The solution of severe tracheobronchial obstructions in early childhood means a great challenge. Biodegradable stents were intended to be a minimally invasive temporary solution which may decrease the number of interventions and limit the possible complications of stenting procedures. However, our first experiences have brought out a new, - especially in childhood - potentially life-threatening complication of this concept. METHODS: Five SX-ELLA biodegradable polydioxanone stents was applied in three patients because of severe tracheobronchial obstruction: congenital tracheomalacia (7 day-old), acquired tracheomalacia (10 month-old), and congenital trachea-bronchomalacia (10 month-old)...
December 2016: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/27847813/jet-ventilation-during-rigid-bronchoscopy-in-adults-a-focused-review
#13
REVIEW
Laurie Putz, Alain Mayné, Anne-Sophie Dincq
The indications for rigid bronchoscopy for interventional pulmonology have increased and include stent placements and transbronchial cryobiopsy procedures. The shared airway between anesthesiologist and pulmonologist and the open airway system, requiring specific ventilation techniques such as jet ventilation, need a good understanding of the procedure to reduce potentially harmful complications. Appropriate adjustment of the ventilator settings including pause pressure and peak inspiratory pressure reduces the risk of barotrauma...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27829946/double-stenting-for-malignant-oesophago-respiratory-fistula
#14
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/27794574/short-term-use-of-uncovered-self-expanding-metallic-airway-stents-for-severe-expiratory-central-airway-collapse
#15
Adnan Majid, Daniel Alape, Fayez Kheir, Erik Folch, Sebastian Ochoa, Alejandro Folch, Sidhu P Gangadharan
BACKGROUND: Patients with severe symptomatic expiratory central airway collapse (ECAC) undergo a stent trial to determine whether they are candidate for tracheobronchoplasty. Most stent trials were done using silicone stents. However, there was a higher number of silicone stent-related complications. OBJECTIVES: The aim of this study was to evaluate the safety and efficacy of short-term uncovered self-expanding metallic airway stents (USEMAS) in patients with ECAC...
2016: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/27793496/congenital-nasal-cavity-stenosis-in-children-with-craniosyntosis-a-report-of-4-rare-cases
#16
Yew Toong Liew, Siew Shuin Soo, Anna Marie Nathan, Anura Michelle Manuel
Congenital bony nasal stenosis (CBNS) is a very rare but life-threatening cause of airway obstruction in neonates and infants. This review aims to assess the presentation and early airway management of 4 new cases of craniosynostosis with bilateral nasal cavity stenosis. Patients were treated with endoscopic endonasal widening of the nasal cavity and stenting. All patients were extubated well post-operatively with resolution of symptoms. They remained asymptomatic with stents in situ for at least 6 months with no complications reported...
October 25, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27784411/interventional-drug-induced-sleep-endoscopy-a-novel-technique-to-guide-surgical-planning-for-obstructive-sleep-apnea
#17
Andrew Jacob Victores, Krista Olson, Masayoshi Takashima
STUDY OBJECTIVE: One of the challenges of surgery for obstructive sleep apnea (OSA) is identifying the correct surgical site for each patient. The objective of this study was to use drug-induced sleep endoscopy (DISE) and nasopharyngeal tube (NPT) placement to determine the effect of eliminating palatal collapse on the obstruction seen on other segments of the upper airway. METHODS: Forty-one OSA patients were enrolled in this prospective study. All patients had a polysomnogram followed by DISE...
October 20, 2016: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/27777507/fully-covered-metallic-stents-for-the-treatment-of-benign-airway-stenosis
#18
Caroline Dahlqvist, Sebahat Ocak, Maximilien Gourdin, Anne Sophie Dincq, Laurie Putz, Jean-Paul d'Odémont
Introduction. We herein report our experience with new fully covered self-expanding metallic stents in the setting of inoperable recurrent benign tracheobronchial stenosis. Methods. Between May 2010 and July 2014, 21 Micro-Tech® FC-SEMS (Nanjing Co., Republic of Korea) were placed in our hospital in 16 patients for inoperable, recurrent (after dilatation), and symptomatic benign airway stenosis. Their medical files were retrospectively reviewed in December 2014, with focus on stent's tolerance and durability data...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/27777440/balloon-expandable-metallic-stents-for-airway-diseases
#19
Takashi Ohki, Seiichiro Sugimoto, Takeshi Kurosaki, Shinji Otani, Kentaroh Miyoshi, Masaomi Yamane, Shinichiro Miyoshi, Takahiro Oto
Stent placement is an essential treatment for airway diseases. Although self-expandable metallic stents and silicone stents are commonly applied for the treatment of airway diseases, these stents are unsuitable for the treatment of small airway diseases encountered in pediatric patients and lung transplant recipients with airway complications. Currently, only vascular balloon-expandable metallic stents are available for the treatment of small airway diseases; however, little research has been conducted on the use of these stents in this field...
October 2016: Acta Medica Okayama
https://www.readbyqxmd.com/read/27776743/open-airway-reconstruction-in-adults-outcomes-and-prognostic-factors
#20
Marianne Abouyared, Mikhaylo Szczupak, Eric Barbarite, Zoukaa B Sargi, David E Rosow
PURPOSE: The purpose was to assess the success of open tracheal resection and re-anastomosis for non-malignant tracheal stenosis in adults. Successful operations were defined as T-tube or tracheostomy-free status by 6months post-operatively. MATERIALS AND METHODS: Retrospective chart review was performed and data were recorded in a de-identified manner. The primary outcome was T-tube or tracheostomy-free status by 6months following tracheal resection. Clinical and demographic characteristics were evaluated as potential prognostic variables...
January 2017: American Journal of Otolaryngology
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