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Enchancment in sagittal stability after decompression surgical procedure with out fusion in sufferers with degenerative lumbar stenosis: Medical and radiographic outcomes at 1 yr.

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Enchancment in sagittal stability after decompression surgical procedure with out fusion in sufferers with degenerative lumbar stenosis: Medical and radiographic outcomes at 1 yr.

World Neurosurg. 2018 Mar 09;:

Authors: Madkouri R, Brauge D, Vidon-Buthion A, Fahed E, Mourier KL, Beaurain J, Grelat M

Summary
OBJECTIVE: The purpose of this examine was to judge modifications in static spinal standing after posterior decompression surgical procedure with out fusion in sufferers with symptomatic central canal stenosis.
MATERIAL & METHODS: From November 2014 to Might 2016, 72 sufferers who underwent remoted decompression for lumbar spinal stenosis have been prospectively enrolled on this monocentric examine. All the sufferers had lateral full-body x-rays utilizing the EOS system (EOS Imaging, Paris, France) earlier than surgical procedure and after 12 months of follow-up. Sufferers have been categorized into three teams based on their preoperative Sagittal Vertical Axis (<50mm, ? 50 mm and < 100mm, ? 100 mm).
RESULTS: SVA decreased considerably (SVA preop: 72.three ± 43.1; SVA postop: 48.three ± 46.eight. p < zero.001). Lumbar lordosis elevated considerably from 41.9 ± 13.four within the preoperative interval to 46.5 ± 14.eight on the final follow-up (p < zero.001). Within the imbalance teams, the imply postoperative SVA decreased considerably in contrast with preoperative SVA (p = zero.004). Surgical procedure led to a major enhance in lumbar lordosis within the three teams (p<zero.05). Nonetheless, a sure diploma of residual imbalance endured within the main imbalance group. In all the teams, decompression surgical procedure led to a major enchancment in scientific scores (p<zero.05).
CONCLUSION: Our examine confirmed an enchancment in sagittal stability and lumbar lordosis following decompression surgical procedure with out fusion, even in sufferers with a preoperative SVA > 100 mm. Nevertheless, a sure diploma of sagittal imbalance might persist following the surgical procedure in sufferers with main preliminary imbalance (SVA> 100 mm). Nonetheless, after surgical procedure, these sufferers skilled a scientific profit similar to that within the different teams.

PMID: 29530708 [PubMed – as supplied by publisher]

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