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KMID : 0388720140210010015
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Journal of Korean Society of Spine Surgery
2014 Volume.21 No. 1 p.15 ~ p.23
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Usefulness of Minimally Invasive Posterior Foraminotomy using Tubular Retractor for Lumbar Spinal Stenosis with Foraminal Stenosis
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Shin Hun-Kyu
Choi Jae-Yeol
Jeong Hwa-Jae
Kim Eu-Gene
Park Se-Jin
Lee Seung-Hee
Seo Dong-Seok
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Abstract
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Study Design: Retrospective study.
Objectives: The aim of this study was to report the usefulness of lumbar posterior foraminotomy and central decompression using tubular retractor with minimally invasive technique.
Summary of Literature Review: Posterior decompression and arthrodesis for the treatment of lumbar spinal stenosis with foraminal stenosis is a classical surgical method. It is inappropriate for patients who have rejection to arthrodesis or medical problems, because it may have several complications.
Materials and Methods: Clinical results were obtained from 12 patients who underwent posterior foraminotomy and central decompression from January 2009 to April 2011 and were assessed using a Visual analogue scale, Oswestry disability index and the Prolo outcome scale.
Results: Six Of 12 patients showed immediate relief of radiculopathy. Postoperative posterior lumbar pain and spasm were negligible, and no surgically related complication was noted. During the follow-up period, the Oswestry disability index decreased from 24.25±2.89(pre-op) to 19.33±3.02(Last F/U)(p=0.28, paired t-test) in 8 of 12 patients.
Conclusions: A minimally invasive posterior foraminotomy and central decompression could be an alternative surgical option for the treatment of lumbar spinal stenosis with foraminal stenosis, especially in subjects with old age, having medical problems and refusal of arthrodesis.
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KEYWORD
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Lumbar spine, Spinal stenosis, Foraminotomy, Minimally invasive surgery
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