2017
DOI: 10.22603/ssrr.1.2016-0032
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Indications for prophylactic lumbar decompression at the L3/4 level in patients with L4/5 responsible lumbar spinal canal stenosis

Abstract: Abstract:Introduction: Lumbar spinal canal stenosis (LSS) is a very common disease. When the responsible level is considered to be L4/5 despite the appearance of double-level (L3/4 and L4/5) stenosis on magnetic resonance imaging (MRI), it is difficult for spinal surgeons to decide whether prophylactic decompression should be performed at the L3/4 level. The purpose of this study was to investigate the relationship between the dural sac cross-sectional area (DCSA) at the L3/4 level and clinical symptoms in pat… Show more

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“…The DCSA has been reported to be related to the severity of LSS in previous studies. In patients with severe LSS and a DCSA<50 mm 2 , the clinical course may deteriorate with conservative treatment; surgical treatment should thus be selected during the early stage [ 20 , 21 ].…”
Section: Discussionmentioning
confidence: 99%
“…The DCSA has been reported to be related to the severity of LSS in previous studies. In patients with severe LSS and a DCSA<50 mm 2 , the clinical course may deteriorate with conservative treatment; surgical treatment should thus be selected during the early stage [ 20 , 21 ].…”
Section: Discussionmentioning
confidence: 99%