MinervaBMJ 2003; 326 doi: http://dx.doi.org/10.1136/bmj.326.7394.890 (Published 19 April 2003) Cite this as: BMJ 2003;326:890
A comprehensive search found more than 500 studies evaluating neurosurgery in people with Parkinson's disease (Journal of Neurology, Neurosurgery and Psychiatry 2003;74:519-21). But only seven of them were randomised trials, and they averaged only 30 patients each. Poor reporting and inadequate analysis limited the data even further. So despite a body of “evidence” from over 10 000 patients, we still have no clear idea of whether this treatment works.
Syncope has numerous causes. …
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