Patients treated with Zephyr valves have reported immediate relief, with less shortness of breath and improved overall breathing, and a better ability to perform daily life tasks within weeks of treatment.

What is the success rate of the Zephyr valve?

After one year of treatment, almost three times more patients treated with the Zephyr valves achieved the target improvement in lung function — a 15 percent or greater increase in forced expiratory volume in one second (FEV1) — compared to patients receiving medical management alone (the control group).

Is a Zephyr valve procedure safe?

All side effects associated with valve implantation were endoscopically managed. Figure 1 shows a 967 days endoscopic follow-up of a Zephyr valve. Conclusions: LVR with Zephyr valves is a safe procedure with reasonable performance at long follow-up.