Abstract
Not many studies evaluate the clinical outcome of Poly-methylmethacrylate (PMMA) screws for reduction of spondylolisthesis and there are no studies discussing the relation of bone mineral density in patients requiring PMMA screws. This retrospective study involves 32 patients who required PMMA augmented screws during surgery of the 165 patients operated for symptomatic spondylolisthesis. The average T-score of patients requiring PMMA augmentation was -2.52 in male and -2.364 in female groups.Overall outcome was good. PMMA augmented screws for reduction of listhesis in osteoporotic spines is a safe and effective technique and it cannot be preplanned with T-score value alone.
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