Before revision: It has a theoretical advantage over instrumented posterolateral fusion (iPLF) in that it provides better support for the vertebra along with several potential neurological benefits, but the evidence demonstrating actual improved clinical outcomes is lacking.
After revision: It has a as of 2011oretical advantage over instrumented posterolateral fusion (iPLF) in that it provides better support for the vertebra along with several potential neurological benefits, but the evidence demonstrating actual improved clinical outcomes was lacking.