Unilateral instrumented transforaminal lumbar interbody fusion provides effective results .
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Comparison of unilateral versus bilateral instrumented transforaminal lumbar interbody fusion in degenerative lumbar diseases
Spine J. 2012 Mar;12(3):209-15. doi: 10.1016/j.spinee.2012.01.010. Epub 2012 Mar 380 patients, undergoing transforaminal lumbar interbody fusion (TLIF), were randomised into two groups to either receive the surgery using unilateral or bilateral pedicle screws (PS), to compare the outcomes of each technique. Following assessments over a 32 month period, clinical and radiological results indicated that unilateral PS instrumented TLIF was an effective surgical method as it improved pain, functionality scores, did not reduce the fusion rate, and did not increase the occurrence of adverse events. Additionally, this procedure provided shorter operative time, hospital time, lower implant costs, and less blood loss.
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