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endobronchial valves

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https://www.readbyqxmd.com/read/29136621/evaluation-of-nickel-release-from-endobronchial-valves-as-a-possible-cause-of-hypersensitivity-pneumonitis-in-a-patient-treated-with-bronchoscopic-lung-volume-reduction
#1
Daniel P Franzen, Claudia Lang, Nikos Agorastos, Lutz Freitag, Malcolm Kohler, Peter Schmid-Grendelmeier
BACKGROUND: Endobronchial valve (EBV) placement is an established lung volume reduction procedure aiming to improve lung function and exercise capacity in patients with severe emphysema. As EBVs consist of silicone and nitinol (a metal alloy of nickel and titanium), there are concerns that nickel ions might be released and could have a clinical impact in patients with a contact allergy to nickel. Based on a case with hypersensitivity pneumonitis (HP) after treatment with EBVs, we aimed to evaluate the in vitro nickel release from EBVs using inductively coupled plasma mass spectrometry (ICP-MS) and scanning electron microscopy (SEM)...
November 15, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29110704/endobronchial-one-way-valves-for-treatment-of-persistent-air-leaks-a-systematic-review
#2
REVIEW
Mei Ding, Ya-Dong Gao, Xian-Tao Zeng, Yi Guo, Jiong Yang
Persistent air leak (PAL) is associated with significant morbidity and mortality, prolonged hospitalization and increased health-care costs. It can arise from a number of conditions, including pneumothorax, necrotizing infection, trauma, malignancies, procedural interventions and complications after thoracic surgery. Numerous therapeutic options, including noninvasive and invasive techniques, are available to treat PALs. Recently, endobronchial one-way valves have been used to treat PAL. We conducted a systematic review based on studies retrieved from PubMed, EMbase and Cochrane library...
November 6, 2017: Respiratory Research
https://www.readbyqxmd.com/read/29105909/endobronchial-valve-placement-in-emphysema-when-is-it-lung-volume-reduction
#3
EDITORIAL
Ralf Eberhardt
No abstract text is available yet for this article.
November 5, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/29100445/efficacy-and-safety-of-bronchoscopic-lung-volume-reduction-therapy-in-patients-with-severe-emphysema-a-meta-analysis-of-randomized-controlled-trials
#4
Yong Wang, Tian-Wen Lai, Feng Xu, Jie-Sen Zhou, Zhou-Yang Li, Xu-Chen Xu, Hai-Pin Chen, Song-Min Ying, Wen Li, Hua-Hao Shen, Zhi-Hua Chen
BACKGROUND: Increasing randomized controlled trials (RCTs) indicate that bronchoscopic lung volume reduction (BLVR) is effective for severe emphysema. In this meta-analysis, we investigated the efficacy and safety of BLVR in patients with severe emphysema. METHODS: PubMed, Embase and the Cochrane Library and reference lists of related articles were searched, and RCTs that evaluated BLVR therapy VS conventional therapy were included. Meta-analysis was performed only when included RCTs ≥ 2 trials...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29081655/mesenchymal-stromal-cell-therapy-in-copd-from-bench-to-bedside
#5
REVIEW
Mariana A Antunes, José Roberto Lapa E Silva, Patricia Rm Rocco
COPD is the most frequent chronic respiratory disease and a leading cause of morbidity and mortality. The major risk factor for COPD development is cigarette smoke, and the most efficient treatment for COPD is smoking cessation. However, even after smoking cessation, inflammation, apoptosis, and oxidative stress may persist and continue contributing to disease progression. Although current therapies for COPD (primarily based on anti-inflammatory agents) contribute to the reduction of airway obstruction and minimize COPD exacerbations, none can avoid disease progression or reduce mortality...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29049667/when-can-computed-tomography-fissure-analysis-replace-chartis-collateral-ventilation-assessment-in-the-prediction-of-patients-with-emphysema-who-might-benefit-from-endobronchial-valve-therapy
#6
Alfonso Fiorelli, Mario Santini, Pallav Shah
A best evidence topic in thoracic surgery was written according to a structured protocol. The question addressed was when can computed tomography-fissure analysis replace Chartis collateral ventilation assessment in the prediction of patients with emphysema who might benefit from endobronchial valve therapy? Twelve papers were chosen to answer the question. The authors, date, journal, country of publication and study type; patient group studied; relevant outcomes and results of these papers were tabulated. Five studies retrospectively compared the prognostic value of 2 methods...
September 5, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29040413/bilateral-cavitary-multidrug-or-extensively-drug-resistant-tuberculosis-role-of-surgery
#7
Galina Yu Marfina, Kirill B Vladimirov, Armen O Avetisian, Anna A Starshinova, Grigorii G Kudriashov, Evgenii G Sokolovich, Piotr K Yablonskii
OBJECTIVES: Cavitary disease and bilateral lesions are among the risk factors for poor outcome of pulmonary tuberculosis (TB). Our aim was to explore the value and limits of surgery in patients with advanced TB. METHODS: A retrospective study of 57 consecutive patients who underwent thoracic surgery for culture-positive bilateral cavitary pulmonary TB was performed. Forty-four (77.2%) patients were men and 13 (22.8%) patients were women; their ages were in the range of 18-61 years...
October 10, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28977365/hybrid-bilobectomy-for-treatment-of-an-early-stage-lung-cancer-in-a-patient-with-severe-emphysema-using-the-benefits-of-lung-volume-reduction
#8
Periklis Perikleous, Rocco Bilancia, Inger Oey, David A Waller
Patients with resectable lung cancer and concomitant emphysema can fall outside the accepted guidelines for surgery. Lung volume reduction can improve their lung function but involves resecting an emphysematous lobe containing the tumour. Volume reduction can also be achieved by endobronchial one-way valve insertion, causing lobar collapse, but intact fissures are required. A 'hybrid bilobectomy' was performed on a 77-year-old ex-smoker with suspected T2aN0M0 bronchogenic carcinoma and severe pulmonary emphysema...
November 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28957891/reexpansion-pulmonary-edema-as-a-complication-of-endobronchial-valve-placement
#9
Yaniv Dotan, Nathaniel Marchetti, Gerard J Criner
No abstract text is available yet for this article.
October 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28947021/medical-lung-volume-reduction-for-severe-emphysema-a-review
#10
REVIEW
Kalliopi Aggelou, Nikolaos Siafakas
Lung hyperinflation is the main pathophysiological mechanism significantly reducing the Quality of Life (QoL)and contributing to increased morbidity and mortality of the emphysematous patients. Therefore, the prime aim of the management of those patients is the deflation of their lungs. There are a number of treatments proven effective to reduce hyperinflation, such as,pharmacotherapy (bronchodilators/deflators), rehabilitation and surgical volume reduction. Recently, methods to reduce lung volume by a bronchoscopic approach had been developed...
October 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28937444/methylene-blue-for-bronchopleural-fistula-localization
#11
Kenneth K Sakata, Faria Nasim, Dante N Schiavo, Darlene R Nelson, Ryan M Kern, John J Mullon
A bronchopleural fistula (BPF) is a communication between the pleural space and the bronchial tree. BPFs are challenging to diagnose and are associated with a high morbidity and mortality. Sequential balloon occlusion is commonly used for localization of a BPF. We describe our experience with 4 cases of successful localization of the BPF by instillation of methylene blue into the pleural space through a pigtail catheter, with simultaneous bronchoscopic visualization of dye in the tracheobronchial tree. Two patients were treated with endobronchial valves and 3 had a surgical thoracic muscle flap placed...
September 20, 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28913877/minimal-important-difference-of-target-lobar-volume-reduction-after-endobronchial-valve-treatment-for-emphysema
#12
Jorrit B A Welling, Jorine E Hartman, Eva M van Rikxoort, Nick H T Ten Hacken, Huib A M Kerstjens, Karin Klooster, Dirk-Jan Slebos
BACKGROUND AND OBJECTIVE: Target lobar volume reduction (TLVR) is an important efficacy outcome measure for bronchoscopic lung volume reduction (BLVR) treatment using one-way endobronchial valves (EBV) in patients with severe emphysema. The commonly used cut-off value for TLVR that expresses a perceivable clinical benefit is -350 mL. However, a scientifically determined minimal important difference (MID) for TLVR never has been published. The objective of the present study was to determine the MID for TLVR on HRCT in patients who were treated with EBV...
September 15, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28898345/-endoscopic-lung-volume-reduction-in-advanced-pulmonary-emphysema-initial-experience-in-chile
#13
Sebastián Fernández-Bussy, Gonzalo Labarca, Iván Caviedes, Hiren J Mehta, Michael Jantz, Adnan Majid
Chronic obstructive pulmonary disease (COPD) has no curative treatment, and in moderate to advanced stages, functional parameters and quality of life are affected. Lung volume reduction improves respiratory parameters and quality of life of these patients. Endoscopic lung volume reduction is a minimally invasive procedure that uses endobronchial valves or coils. Valves are unidirectional, blocking the air from entering the target lobe during inspiration, allowing the exit of air and secretions during expiration...
May 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28885054/a-multicenter-rct-of-zephyr%C3%A2-endobronchial-valve-treatment-in-heterogeneous-emphysema-transform
#14
Samuel V Kemp, Dirk-Jan Slebos, Alan Kirk, Malgorzata Kornaszewska, Kris Carron, Lars Ek, Gustav Broman, Gunnar Hillerdal, Herve Mal, Christophe Pison, Amandine Briault, Nicola Downer, Kaid Darwiche, Jagan Rao, Ralf-Harto Hübner, Christof Ruwwe-Glosenkamp, Valéry Trosini-Desert, Ralf Eberhardt, Felix J Herth, Eric Derom, Thomas Malfait, Pallav L Shah, Justin L Garner, Nick H Ten Hacken, Hazem Fallouh, Sylvie Leroy, Charles H Marquette
RATIONALE: Single-center RCTs of Zephyr Endobronchial Valve (EBV) treatment have demonstrated benefit in severe heterogeneous emphysema. This is the first multicenter study evaluating this treatment approach. OBJECTIVES: To evaluate the efficacy and safety of Zephyr EBVs in patients with heterogeneous emphysema and absence of collateral ventilation. METHODS: Prospective, multicenter 2:1 RCT of EBVs plus standard of care or standard of care (SoC) alone...
September 8, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28835891/patient-experience-of-lung-volume-reduction-procedures-for-emphysema-a-qualitative-service-improvement-project
#15
Sara Buttery, Adam Lewis, Inger Oey, Joanne Hargrave, David Waller, Michael Steiner, Pallav L Shah, Samuel V Kemp, Simon Jordan, Nicholas S Hopkinson
The aim of this service improvement project was to gain understanding of the patient experience of lung volume reduction surgery (LVRS) and endobronchial valve (EBV) placement, from referral through to post-discharge care. Focus group interviews were carried out in two tertiary centres in London and Leicester, UK. Sixteen patients who had undergone lung volume reduction surgery (LVRS), endobronchial valve (EBV) placement, or both, were recruited. Prior to participation in each focus group, participants completed a questionnaire to guide and focus discussion...
July 2017: ERJ Open Research
https://www.readbyqxmd.com/read/28808575/reduced-ventilation-perfusion-v-q-mismatch-following-endobronchial-valve-insertion-demonstrated-by-gallium-68-v-q-photon-emission-tomography-computed-tomography
#16
Paul Leong, Pierre-Yves Le Roux, Jason Callahan, Shankar Siva, Michael S Hofman, Daniel P Steinfort
Endobronchial valves (EBVs) are increasingly deployed in the management of severe emphysema. Initial studies focussed on volume reduction as the mechanism, with subsequent improvement in forced expiratory volume in 1 s (FEV1). More recent studies have emphasized importance of perfusion on predicting outcomes, though findings have been inconsistent. Gallium-68 ventilation-perfusion (V/Q) photon emission tomography (PET)/computed tomography (CT) is a novel imaging modality with advantages in spatial resolution, quantitation, and speed over conventional V/Q scintigraphy...
September 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28795040/successful-treatment-of-a-giant-emphysematous-bulla-with-an-endobronchial-valve-in-a-patient-with-contralateral-lung-cancer
#17
Chang-Seok Jeon, Jhingook Kim, Hojoong Kim
Patients with severe emphysema have a higher risk of developing lung cancer, and their surgical risk increases when emphysema is accompanied by a giant bulla. Here, we describe a patient who had an emphysematous giant bulla in the right upper lobe that was treated with an endobronchial valve placement. Subsequently, a cancerous lesion on the contralateral lung was successfully removed by lobectomy.
August 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28637047/pleural-adhesion-assessment-as-a-predictor-for-pneumothorax-after-endobronchial-valve-treatment
#18
Wouter H van Geffen, Karin Klooster, Jorine E Hartman, Nick H T Ten Hacken, Huib A M Kerstjens, Rienhart F E Wolf, Dirk-Jan Slebos
BACKGROUND: Pneumothorax after bronchoscopic lung volume reduction using one-way endobronchial valves (EBVs) in patients with advanced emphysema occurs in approximately 20% of patients. It is not well known which factors predict the development of pneumothorax. OBJECTIVE: To assess whether pleural adhesions on pretreatment high-resolution computed tomography (HRCT) scans are associated with pneumothorax occurrence after EBV treatment. METHODS: HRCT scan analyses were performed on all patients who received EBV treatment in a randomized controlled trial...
2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28527920/emerging-bronchoscopic-treatments-for-chronic-obstructive-pulmonary-disease
#19
REVIEW
Wouter H van Geffen, Huib A M Kerstjens, Dirk-Jan Slebos
Chronic obstructive pulmonary disease (COPD) is a progressive lung disease characterized by pathophysiological factors including airflow limitation, hyperinflation and reduced gas exchange. Treatment consists of lifestyle changes, lung rehabilitation and pharmacological therapies such as long acting beta-2-agonists (LABA) and long acting muscarinic antagonists (LAMA). More recently bronchoscopic treatments are emerging for COPD. Among them endobronchial valves (EBV) and endobronchial coils (EBC), next to endobronchial stents, sclerosing agents, targeted lung denervation and liquid nitrogen metered cryospray...
November 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28459316/improved-predictors-of-survival-after-endobronchial-valve-treatment-in-patients-with-severe-emphysema
#20
Karin Klooster, Jorine E Hartman, Nick H T Ten Hacken, Dirk-Jan Slebos
No abstract text is available yet for this article.
May 1, 2017: American Journal of Respiratory and Critical Care Medicine
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