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Letters
September 24, 2003

Ethical Aspects in Trials of Implantable Medical Devices—Reply

Author Affiliations
 

Letters Section Editor: Stephen J. Lurie, MD, PhD, Senior Editor.

JAMA. 2003;290(12):1579. doi:10.1001/jama.290.12.1579-a

In Reply: We agree with Dr Heckerling that sham surgery can be ethical and often is necessary for the appropriate investigation of new surgical procedures. There is an important distinction, however, between sham surgery and the implantation of pacemakers for the purpose of controlling vasovagal syncope. Sham surgery implies that the intervention has no therapeutic potential. In our study, the control patients actually received a functional pacemaker, which was temporarily deactivated for the purpose of the study. At the time of initiation of our trial there was considerable evidence that pacemaker therapy was beneficial for the management of vasovagal syncope. In fact, the practice guidelines published by major organizations recommend the use of pacemaker therapy in this setting.1

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