The goal of this clinical trail is to to compare the efficacy of thoracolumbar interfascial plane block with Exparel vs with standard of care 0.25% Bupivacaine HCl in patients undergoing 1-3 level elective transforaminal lumbar interbody fusion. The investigators hypothesize that thoracolumbar interfascial plane block with Exparel will outperform standard of care (supplemented with interfascial plane block of 0.25% Bupivacaine HCl) with regards to pain reduction, narcotic use, length of hospital stay, time to mobilization with physical therapy, narcotic usage in the hospital, and post operative pain scores.
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Compare efficacy of thoracolumbar interfacial plane block with Exparel vs. standard of care (0.25% Bupivacaine HCL) is surgical subjects undergoing 1-3 level elective transforaminal lumbar interbody fusion.
Timeframe: 0-72 hours post-operatively