Table 8.

Relative merits of different surgical procedures for PD392a

ProcedureTremorRigidity/bradykinesiaDyskinesiaAdverse events*
+ = mild benefit; ++ = moderate benefit; +++ = marked benefit.
* For bilateral procedures, 1 = minimal risk; 2 = more pronounced risk; 3 = greatest risk.
Thalamotomy++++/−+/−3
Pallidotomy+++++++3
DBS–thalamus++++/−+/−2
DBS–GPi++++++++2
DBS–STN+++++++++2
Fetal nigral transplantation++++++/−1