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- Title
Efficacy and Safety of Stent, Valves, Vapour ablation, Coils and Sealant Therapies in Advanced Emphysema: A Meta-Analysis.
- Authors
Rustagi, Neeti; Singh, Surjit; Dutt, Naveen; Kuwal, Ashok; Chaudhry, Kirti; Shekhar, Shashank; Kirubakaran, Richard
- Abstract
Bronchoscopic lung volume reduction (BLVR) methods have emerged as a new treatment option for patients with severe emphysema. Endobronchial valves and coils have been extensively studied. This review assesses efficacy, safety, and cost effectiveness of the BLVR procedures (stent, valves, vapor ablation, endobronchial coils, lung sealant) in patients with severe emphysema. Databases were searched until October 2016, and randomized controlled trials (RCTs) comparing available BLVR procedures to standard medical care or sham bronchoscopy were included. Random effect model and generic inverse variance approach were used for meta-analysis. Out of 381 identified records, 16 RCTs were included. As compared to recommended medical care or sham bronchoscopy, the BLVR procedures are more effective in improving quality of life [SGRQ score (WMD=-6.38; -9.12 to -3.65)] and 6MWT (WMD=24.21; 9.68-38.74) and percentage FEV1 (WMD=10.48; 7.07-13.89). Increased risk of serious adverse events (RR=2.18; 1.63-2.93), specifically for chronic pulmonary obstructive disease exacerbations and lower respiratory tract infection combined (RR=1.37; 1.07-1.75), were observed with bronchoscopic interventions, while there was no difference in number of deaths (RR=1.25; 0.79-1.99) and respiratory failure (RR=1.13; 0.57-2.21). The BLVR procedures, especially endobronchial coils, were found to be effective in the management of patients with severe emphysema irrespective of collateral ventilation. However, characterization of patients who would be most benefited from these procedures is required, and effectiveness of these procedures in long run needs to be established.
- Subjects
RESPIRATORY infections; OBSTRUCTIVE lung diseases; BRONCHOSCOPY; COST effectiveness; PULMONARY emphysema; MEDICAL care; META-analysis; PNEUMONECTOMY; QUALITY assurance; QUALITY of life; QUESTIONNAIRES; RESPIRATORY insufficiency; SURGICAL stents; SYSTEMATIC reviews; DISEASE management; RELATIVE medical risk; TREATMENT effectiveness; VITAL capacity (Respiration); SEVERITY of illness index; DISEASE exacerbation; ABLATION techniques; DISEASE risk factors
- Publication
Turkish Thoracic Journal / Turk Toraks Dergisi, 2019, Vol 20, Issue 1, p43
- ISSN
2149-2530
- Publication type
Article
- DOI
10.5152/TurkThoracJ.2018.18062