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Durability of Silicone Airway Stents in the Management of Benign Central Airway Obstruction
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Durability of Silicone Airway Stents in the Management of Benign Central Airway Obstruction
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Journal Article
Durability of Silicone Airway Stents in the Management of Benign Central Airway Obstruction
2017
Overview
Purpose
The literature is devoid of a comprehensive analysis of silicone airway stenting for benign central airway obstruction (BCAO). With the largest series in the literature to date, we aim to demonstrate the safety profile, pattern of re-intervention, and duration of silicone airway stents.
Methods
An institutional database was used to identify patients with BCAO who underwent rigid bronchoscopy with dilation and silicone stent placement between 2002 and 2015 at Rush University Medical Center.
Results
During the study period, 243 stents were utilized in 63 patients with BCAO. Pure tracheal stenosis was encountered in 71% (45/63), pure tracheomalacia in 11% (7/63), and a hybrid of both in 17% (11/63). Median freedom from re-intervention was 104 (IQR 167) days. Most common indications for re-intervention include mucus accumulation (60%; 131/220), migration (28%; 62/220), and intubation (8%; 18/220). The most common diameters of stent placed were 12 mm (94/220) and 14 mm (96/220). The most common lengths utilized were 30 mm (60/220) and 40 mm (77/220). Duration was not effected by stent size when placed for discrete stenosis. However, 14 mm stents outperformed 12 mm when tracheomalacia was present (157 vs. 37 days;
p
= 0.005). Patients with a hybrid stenosis fared better when longer stents were used (60 mm stents outlasted 40 mm stents 173 vs. 56 days;
p
= 0.05).
Conclusion
Rigid bronchoscopy with silicone airway stenting is a safe and effective option for the management of benign central airway obstruction. Our results highlight several strategies to improve stent duration.
Publisher
Springer US,Springer,Springer Nature B.V
Subject
/ Adult
/ Aged
/ Airway Obstruction - etiology
/ Airway Obstruction - surgery
/ Analysis
/ Asthma
/ Benign
/ Chronic obstructive pulmonary disease
/ Diabetes
/ Dyspnea
/ Female
/ Humans
/ Implants
/ Lungs
/ Male
/ Medicine
/ Mucus
/ Ostomy
/ Patients
/ Pneumology/Respiratory System
/ Safety and security measures
/ Stenosis
/ Stents
/ Surgeons
/ Tracheal Stenosis - complications
