Endobronchial Valves for Challenging Air Leaks

Area of Science:

• Pulmonology
• Thoracic Surgery
• Interventional Pulmonology

Background:

• Prolonged air leaks are associated with increased morbidity and mortality.
• Endobronchial valves provide a nonoperative treatment option for persistent air leaks.
• Evaluating the efficacy of endobronchial valves in achieving chest tube removal and hospital discharge is crucial.

Purpose of the Study:

• To assess the effectiveness of endobronchial valves in managing persistent air leaks.
• To determine the impact of endobronchial valves on chest tube removal and hospital length of stay.
• To evaluate the safety and applicability of endobronchial valves across various etiologies of air leaks.

Main Methods:

• A multidisciplinary team evaluated consecutive patients undergoing endobronchial valve placement for persistent air leak.
• Bronchoscopy with balloon occlusion identified airways contributing to the air leak.
• Unidirectional endobronchial valves were deployed after appropriate airway sizing.

Main Results:

• Eighty-eight valves were placed in 21 patients over 18 months for diverse air leak causes (postoperative, pneumothorax, infection, fistula).
• No valve-related complications occurred during placement, dwell time, or removal.
• All surviving patients discharged had successful chest tube removal; median time to removal was 15 days.

Conclusions:

• Endobronchial valves offer a minimally invasive management strategy for challenging air leaks in medically compromised patients.
• While effective for air leak management, time to chest tube removal and length of stay are influenced by patient's clinical status and underlying disease.
• Endobronchial valve therapy demonstrates potential for improving outcomes in patients with persistent air leaks.