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(Chest. 1998;114:1378-1382.)
© 1998 American College of Chest Physicians

The Use of Expandable Metal Stents to Facilitate Extubation in Patients With Large Airway Obstruction

James P. Shaffer MD1 and James N. Allen MD1

1 From the The Ohio State University Medical Center, Division of Pulmonary and Critical Care Medicine, Columbus, Ohio

James P. Shaffer, MD, The Ohio State University Medical Center, Division of Pulmonary and Critical Care Medicine, 1654 Upham Drive, N-325 Means Hall, Columbus, OH 43210

Objective: To determine the clinical utility of placing airway stents to facilitate weaning in ventilator-dependent patients with large airway obstruction.

Methods: A chart review of mechanically ventilated patients who received expandable metal airway stents to attempt a facilitation of weaning.

Results: Eight patients, 3 women and 5 men, ranging in age from 37 to 82 years, had respiratory failure associated with large airway obstruction and underwent flexible bronchofluoroscopic placement of 12 expandable metal stents (7 Wallstents [Schneider; Minneapolis, MN], 2 Palmaz [Johnson & Johnson; Warren, NJ], and 3 Ultraflex [Microinvasive; Natick, MA]). Six had respiratory failure that was secondary to malignant airway disease, and two had benign airway disease. Seven patients with tracheal or mainstem bronchial obstruction were weaned from the ventilator within 0 to 11 days of stent placement after having previously required mechanical ventilation from 2 to 52 days. There were no associated complications. Following prolonged attempts at weaning, one patient with lobar bronchus obstruction died after mechanical ventilation was withdrawn.

Conclusions: Expandable metal airway stents may be safely deployed in mechanically ventilated patients and can facilitate weaning from the mechanical ventilator. Mechanically ventilated patients with tracheal and mainstem bronchus obstruction are the best candidates for deployment of expandable airway stents to facilitate weaning.

Key Words: airway stents • mechanical ventilation • respiratory failure

Submitted on December 5, 1997
Accepted on May 14, 1998




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