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Factors Associated with the Effect of Conservative Treatment in Surgically Indicated Single-Level Lumbar Spinal Stenosis Patient

  • Journal of Korean Society of Spine Surgery
  • Abbr : J Kor Spine Sur
  • 2019, 26(4), pp.151-159
  • Publisher : Korean Society Of Spine Surgery
  • Research Area : Medicine and Pharmacy > Orthopedic Surgery
  • Published : December 31, 2019

Young-Joon Ahn 1 임세혁 2 Seok-In Jang 1

1국립경찰병원 정형외과
2국립경찰병원 정형외과학교실

Accredited

ABSTRACT

Study Design: Retrospective study of date collected prospectively. Objectives: To report analytic results about association factors related to effect of conservative treatment in surgically indicated single level lumbar spinal stenosis patient. Summary of Literature Review: There have been various reports about clinical outcomes and relative factors after surgical treatment of spinal stenosis. However, there are few reports about factors related to effect of conservative treatment in surgically indicated lumbar spinal stenosis patient. Materials and Methods: We based on 40 patients who had visited our hospital from May 2010 to April 2016 who were traceable for at least three years. We analysed 20 patients who improved symptom and who didn’t improved symptom then investigated association factors related to effect of conservative treatment. Clinical assessment was conducted using questionnaire and spinal canal’s area and muscle amount were measured in the MRI. Results: Average of the spinal canal of not-improved group is 91.29(±34.26) mm2, improved group is 130.70 (±32.18) mm2 and impoved group is wider (p=0.001). Muscle mass of improved group is 91.47(±9.43) cm2, not-improved group is 79.26 (±14.35) cm2, and improved group is wider (p=0.003). Repetitive strain and traffic accident were related in not-improved group (p=0.028). However, practiced stretching continuously were related to symptom improvement (p=0.022). Conclusions: Association factors related to effect of conservative treatment are cases of wide spinal canal, wide muscle amount, repetitive sprain, traffic accident and stretching. A small muscle amount can be considered as a key factor related to surgical conversion. Key words: Lumbosacral region, Spinal stenosis, Paraspinal muscle

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