Traits and Efficacy of a New Three-Dimensional Printed Mesh Construction Titanium Alloy Spacer for Posterior Lumbar Interbody Fusion.
Orthopedics. 2017 Sep 01;40(5):e880-e885
Authors: Chung SS, Lee KJ, Kwon YB, Kang KC
This research evaluated the traits of a newly developed third-dimensional printed mesh construction titanium spacer and its efficacy for posterior lumbar interbody fusion. Posterior lumbar interbody fusion with this spacer was carried out at 53 segments (40 sufferers; imply age, 64 years; vary, 51-73 years). Information had been collected prospectively. Radiographic traits had been analyzed with adjustments in interbody top, instability of the segments, formation of bone bridges across the implants, and pseudarthrosis, as decided by dynamic radiographs and postoperative computed tomography scans. Medical outcomes had been evaluated with the visible analog scale for the low again and extremities, the Oswestry Incapacity Index, and the 36-Merchandise Quick Type Survey. Radiographically, preoperative anterior and posterior interbody top was considerably elevated instantly postoperatively (P<.05), and this enhance was maintained till the final follow-up. No segmental movement of three° or larger was famous on the final follow-up. Sagittal computed tomography photographs confirmed full anterior bone bridges for 94.Three% of circumstances and full posterior bone bridges for 86.7% of circumstances. Coronal computed tomography photographs confirmed bilateral full bone bridges for 94.Three% of circumstances and unilateral bone bridges for five.7% of circumstances with out incomplete bilateral bone bridges. No pseudarthrosis or revision, significantly together with posterior lumbar interbody fusion at L5-S1, was famous. In contrast with preoperative values, the visible analog scale rating for the low again and extremities, the Oswestry Incapacity Index, and the 36-Merchandise Quick Type Survey rating confirmed vital enchancment on the final follow-up (P<.05). Posterior lumbar interbody fusion with a newly developed third-dimensional printed mesh construction titanium spacer confirmed passable radiographic and scientific outcomes, with no circumstances of pseudarthrosis or revision, together with posterior lumbar interbody fusion at L5-S1. [Orthopedics. 2017; 40(5):e880-e885.].
PMID: 28817158 [PubMed – indexed for MEDLINE]