University of Wisconsin–Madison

Operative Statistics

2018 – 2019

* What are Minor Cases?

They consist of: diagnostic and spasmolytic angiography (748 cases: these do not include the 282 major therapeutic endovascular procedures charted above in fuschia.), nerve/muscle bx, tracheostomy; implantation/removal of programable battery units for VNS or DBS; all halos/tongs, ICP monitors and ventriculostomies. Minor cases also include: many revise-incision cases, removal of most CSF shunts, removal of all DBS electrodes, and SAS pumps, as well as removal of all subdural EEG strip electrodes, and removal of epidural spinal cord stimulators.

* How many cases did not include a resident?

Of the total 3,930 cases, 972 (24%) cases did not have a resident present.  Most of these cases were minor and were done by a fellow.

* What are Stereotaxic cases?

DBS, percutaneous trigeminal rhizotomy, radiosurgery, targeted (frame or frameless) bx for tumor, infection, or degenerative disease

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