Chest
Volume 114, Issue 3, September 1998, Pages 796-800
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Long-term Results of Fiberoptic Bronchoscopic Balloon Dilation in the Management of Benign Tracheobronchial Stenosis

https://doi.org/10.1378/chest.114.3.796Get rights and content

Study Objectives: To assess the short- and long-term effects of balloon dilatation using a fiberoptic bronchoscope in the management of benign tracheobronchial stenosis (TBS). Treatment strategies have included open surgical resection or endoscopic techniques. The endoscopic techniques have included Nd:Yag laser, cryotherapy, stent placement, rigid bronchoscopy, and balloon dilation (BD).

Design: Prospective sequentiality study.

Setting: Tertiary care academic hospital.

Patients: This study consisted of 14 patients, ages ranging from 35 to 72 years, whose symptoms of dyspnea, cough, or wheeze were attributable to a TBS.

Intervention: This study describes the use of flexible fiberoptic bronchoscopy (FFB) with a balloon catheter for airway dilation. Each patient underwent FFB, in which a balloon catheter was threaded over the guidewire and positioned across the stenosis. Under direct visualization, the balloon was inflated for 30 to 120 s. Repeat inflation-deflation cycles were done if airway narrowing remained after the initial attempt.

Results: Seven patients had TBS following lung transplantation, three after sleeve resection, two following irradiation therapy, and two due to fibrosing mediastinitis. All patients had initial success: increased airway dimensions and symptom relief. Ten patients had successful airway dilation after one session. Of the four patients who required multiple sessions, one had cryotherapy and in each of the others an airway stent was placed.

Conclusions: BD offers immediate symptom relief and can be used in conjunction with Nd:Yag laser, cryotherapy, stent placement, or mechanical dilation with a rigid bronchoscope. The advantages of FFB with BD include operator familiarity, patient safety, and avoidance of general anesthesia.

(CHEST 1998; 114:796–800)

Abbreviations: BC=balloon catheter; BD=balloon dilation; FFB=flexible fiberoptic bronchoscopy; TBS=tracheobronchial stenosis

Section snippets

MATERIALS AND METHODS

All endoscopic procedures were carried out with an FFB with a working channel of 2.0 or 2.2 mm (BF P20; Olympus America; Melville, NY), using a guidewire and a BC, under fluoroscopy. A variety of inflatable balloons were used with diameters of 10 to 15 mm and lengths from 2.5 to 4.0 cm, using a range of pressures of 45 to 131 psi (Olbert Catheter System; Meadox Surgimed; Oakland, NJ; and Rigiflex OTW; Boston Scientific Corp; Watertown, MA). Table 1 lists the various BCs and their

Immediate

The immediate results were judged by clinical response and endoscopic appearance. All patients had initial success characterized by increased luminal dimensions and symptom relief. There were no technical failures. No patients complained of pain or discomfort during the procedure.

Long Term

Ten of 14 patients were successfully treated with only one BD session (Table 2). These patients have not required any intervention during their lifetime or with up to 72 months follow-up. For the remaining four

DISCUSSION

The technique of BD has been described previously for TBS. The technique has been used in concert with Nd:Yag laser2 or with self-expanding metal stents.4 It has also been used in infants with congenital and acquired stenosis.11,12 In most cases, BD was used with either rigid bronchoscopy or without bronchoscopy but with fluoroscopy. In this study, we describe the long-term follow-up of patients after BD using FFB with local anesthesia and conscious sedation.

The various etiologies and

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Manuscript received October 21, 1997; revision accepted March 16, 1998.

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