Ricky--perhaps one element in the doc feeling that the PD was "trauma induced" is the fact that any trauma or stress DOES indeed worsen PD symptoms--maybe your brother was at a point where the underlying disease manifested itself due to the stress of the surgery? [I loved the "pilot error" quip, BTW :-) ] Camilla Flintermann CGfor Peter 77/6+ Oxford,OH <[log in to unmask]>