Sendai-shi, Japan Clinical Trials

Y Yasuki Uchida, MD

Zephyr Valve Japan Post-Marketing Surveillance

This is a multicenter, prospective, observational surveillance enrolling 140 consecutive patients with severe emphysema who are candidates for bronchoscopic lung volume reduction using Zephyr Endobronchial Valve at up to 20 centers across Japan and followed for 12 months.