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oai:uvadoc.uva.es:10324/449962021-06-24T07:16:13Zcom_10324_44585com_10324_954com_10324_894col_10324_44586

Baeesa, Saleh S. García Medrano, Belén Noriega González, David César 2021-01-14T14:21:31Z 2021-01-14T14:21:31Z 2016 Asian Spine Journal, 2016; vol. 10, n. 6. p. 1100-1105 1976-7846 http://uvadoc.uva.es/handle/10324/44996 10.4184/asj.2016.10.6.1100 Study Design: Retrospective study. Purpose: To analyze outcomes of posterior lumbar interbody fusion (PLIF) stand-alone cages. Overview of Literature: PLIF for degenerative disk disease using stand-alone cages has lost its popularity owing to implant-related complications and pseudoarthrosis. Methods: We analyzed the records of 45 patients (18 women, 27 men), operated between January 1994 and December 1996, with a mean follow-up of 18 years 3 months (20 years 3 months–22 years 3 months). Clinical outcomes were measured using visual analogue score (VAS), Oswestry disability index (ODI), Odom’s criteria, and radiological measurements of fusion rate, Cobb angle, and implant-related complications conducted at the preoperative evaluation, hospital discharge, 12-month follow-up, and final follow-up. Results: Preoperative mean VAS (back) was 6.9 and VAS (radicular) was 7.2, with mean improvements (p<0.05) of 2.9 and 3.1, respectively, at the final follow-up. Median preoperative ODI was 64.5, with a mean improvement to 34 and 42 at the 12-month and final follow-ups, respectively (p<0.05). Odom’s criteria at the 12-month follow-up were excellent in 11.2% patients, good in 57.7%, fair in 31.1%, and poor in none of the patients; at the final follow-up, no patient was classified as excellent, 71.1% as good, 22.2% as fair, and 6.7% as poor (p<0.05). Pseudoarthrosis was observed in five patients (11.1%), of whom, three (6.6%) required re-operation. Preoperative disk height was 9.23 mm, which increased to 13.33 mm in the immediate postoperative evaluation and was maintained at 10.0 mm at the final follow-up (p<0.05). The preoperative mean L1–S1 Cobb angle was 34.7°, which changed to 44.7° in the immediate postoperative evaluation and dropped to 39.7° at the final follow-up (p<0.005). Conclusions: PLIF stand-alone cages were associated with good clinical outcomes. Although the fusion rate was excellent, maintenance of disk heights and a lordotic alignment were not achieved in the long term. eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/3.0/ © 2016 Korean Society of Spine Surgery Attribution-NonCommercial-NoDerivs 3.0 Unported Long-term outcomes of posterior lumbar interbody fusion using stand-alone ray threaded cage for degenerative disk disease: A 20-year follow-up info:eu-repo/semantics/article