Brain Devices


VNS: Some Practical Information

If, after reviewing our admittedly lukewarm evaluation of the VNS data, you decide that you want to offer it to your patients, here’s some useful information.

FDA Approval of VNS: The All-Too-Human Side of a Bureaucracy

First they said yes to VNS, then no, then yes. And now they’re trying desperately to explain their final answer.

Vagus Nerve Stimulation: Is the Evidence Convincing?

Vagus nerve stimulation (VNS) is certainly new—but is it effective? It took the FDA a long time to make up its mind, but eventually it approved the treatment in May 2005. (For more details on why the FDA flip-flopped on the issue, see “FDA Approval of VNS,” this issue.) In this article, we scrutinize the two pivotal studies leading to approval.