Comparative Study Between Lumbar Foraminal Stenosis Treatment Modalities
NCT ID: NCT06686407
Last Updated: 2024-11-13
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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NOT_YET_RECRUITING
NA
32 participants
INTERVENTIONAL
2024-11-30
2026-10-31
Brief Summary
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Does minimally invasive techniques give better results than conventional techniques?
Participants will:
Undergo minimally invasive intervention using unilateral biportal endoscopy for lumbar foraminal stenosis decompression Undergo lumbar fusion for lumbar foraminal stenosis decompression Keep a diary of their symptoms and improvement of these symptoms
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Detailed Description
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1. Conventional Open Lumbar fusion By laminectomy and facetectomy and fixation with screws and rods ± interbody cage
2. Minimally invasive (Unilateral Biportal Endoscopy) Basic spine surgery instruments, 0° and 30° angled 4-mm diameter endoscopes commonly used in joint arthroscopic surgery, a radiofrequency catheter, Arthroscopic burr, and a shaver.
Surgical approach to the foraminal area Two portals are created to perform this surgery. Water is infused through the endoscope through the viewing portal, and the working portal had an additional purpose as a portal for water outflow. The proximal and distal portals are created 2 cm lateral from the pedicle level on the C-arm anteroposterior image. Each incision for the portals is 0.8 cm in length, which is adequate for instrument and endoscope insertion. For the left side foramen, the proximal and distal portals are used as the viewing and working portals, respectively, and vice versa for the right foramen. After the endoscope insertion through the viewing portal, we secure a space for the lower transverse process around the lateral surface of the facet joint. A radiofrequency catheter or a shaver is used to secure the space, and a radiofrequency catheter is used to control active bleeding.
Decompression of foraminal stenosis After a sufficient working space is obtained, the cranial 50% of the superior articular process of the thickened facet joint is removed using an arthroscopic burr or an osteotome. After removing the superior articular process, the ligamentum flavum around the foramen is removed using a curette and a Kerrison punch. After completion of flavectomy, nerve root and epidural fat are identified. If herniated disc material is found preoperatively, additional discectomy is performed usually from the axilla of the root. Surgery is confirmed to be completed after achieving an amount of free space concordant with the diameter of the nerve root in the foraminal zone, and then a drain tube is inserted.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Group 1
Open lumbar decompression ± fusion
Open lumbar decompression by laminectomy and transpedicular screw fixation using screws and rods ± interbody cage "device"
Group 2
Minimally invasive lumbar foraminal decompression using unilateral biportal endoscopy "device"
A new endoscopic technique that uses a Unilater Biportal Endoscopy for lumbar foraminal decompression
Interventions
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Open lumbar decompression ± fusion
Open lumbar decompression by laminectomy and transpedicular screw fixation using screws and rods ± interbody cage "device"
Minimally invasive lumbar foraminal decompression using unilateral biportal endoscopy "device"
A new endoscopic technique that uses a Unilater Biportal Endoscopy for lumbar foraminal decompression
Eligibility Criteria
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Inclusion Criteria
* Patients (age \>18 )
Exclusion Criteria
* Infection of vertebrae.
* Tumor of vertebrae.
* Instability.
18 Years
ALL
No
Sponsors
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Assiut University
OTHER
Responsible Party
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Alaa Eldeen Mohamed Oreaby Adam
Assistant Lecturer
Principal Investigators
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Wael Mohamed Ali, Assistant Professor
Role: STUDY_DIRECTOR
Assiut University
Ahmed Hussein Mohamed, Lecturer
Role: STUDY_DIRECTOR
Cairo University
Central Contacts
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Radwan Nouby, Professor
Role: CONTACT
References
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Lee S, Lee JW, Yeom JS, Kim KJ, Kim HJ, Chung SK, Kang HS. A practical MRI grading system for lumbar foraminal stenosis. AJR Am J Roentgenol. 2010 Apr;194(4):1095-8. doi: 10.2214/AJR.09.2772.
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Soliman HM. Irrigation endoscopic decompressive laminotomy. A new endoscopic approach for spinal stenosis decompression. Spine J. 2015 Oct 1;15(10):2282-9. doi: 10.1016/j.spinee.2015.07.009. Epub 2015 Jul 10.
Hwa Eum J, Hwa Heo D, Son SK, Park CK. Percutaneous biportal endoscopic decompression for lumbar spinal stenosis: a technical note and preliminary clinical results. J Neurosurg Spine. 2016 Apr;24(4):602-7. doi: 10.3171/2015.7.SPINE15304. Epub 2016 Jan 1.
Choi DJ, Jung JT, Lee SJ, Kim YS, Jang HJ, Yoo B. Biportal Endoscopic Spinal Surgery for Recurrent Lumbar Disc Herniations. Clin Orthop Surg. 2016 Sep;8(3):325-9. doi: 10.4055/cios.2016.8.3.325. Epub 2016 Aug 10.
Storzer B, Schnake KJ. Microscopic bilateral decompression by unilateral approach in spinal stenosis. Eur Spine J. 2016 Aug;25 Suppl 2:270-1. doi: 10.1007/s00586-016-4479-3. No abstract available.
Poletti CE. Central lumbar stenosis caused by ligamentum flavum: unilateral laminotomy for bilateral ligamentectomy: preliminary report of two cases. Neurosurgery. 1995 Aug;37(2):343-7. doi: 10.1227/00006123-199508000-00025.
Bresnahan LE, Smith JS, Ogden AT, Quinn S, Cybulski GR, Simonian N, Natarajan RN, Fessler RD, Fessler RG. Assessment of Paraspinal Muscle Cross-sectional Area After Lumbar Decompression: Minimally Invasive Versus Open Approaches. Clin Spine Surg. 2017 Apr;30(3):E162-E168. doi: 10.1097/BSD.0000000000000038.
Guha D, Heary RF, Shamji MF. Iatrogenic spondylolisthesis following laminectomy for degenerative lumbar stenosis: systematic review and current concepts. Neurosurg Focus. 2015 Oct;39(4):E9. doi: 10.3171/2015.7.FOCUS15259.
Kim HJ, Jeong JH, Cho HG, Chang BS, Lee CK, Yeom JS. Comparative observational study of surgical outcomes of lumbar foraminal stenosis using minimally invasive microsurgical extraforaminal decompression alone versus posterior lumbar interbody fusion: a prospective cohort study. Eur Spine J. 2015 Feb;24(2):388-95. doi: 10.1007/s00586-014-3592-4. Epub 2014 Sep 25.
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Chang SB, Lee SH, Ahn Y, Kim JM. Risk factor for unsatisfactory outcome after lumbar foraminal and far lateral microdecompression. Spine (Phila Pa 1976). 2006 May 1;31(10):1163-7. doi: 10.1097/01.brs.0000216431.69359.91.
Kovacs FM, Urrutia G, Alarcon JD. Surgery versus conservative treatment for symptomatic lumbar spinal stenosis: a systematic review of randomized controlled trials. Spine (Phila Pa 1976). 2011 Sep 15;36(20):E1335-51. doi: 10.1097/BRS.0b013e31820c97b1.
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Ahmad S, Hamad A, Bhalla A, Turner S, Balain B, Jaffray D. The outcome of decompression alone for lumbar spinal stenosis with degenerative spondylolisthesis. Eur Spine J. 2017 Feb;26(2):414-419. doi: 10.1007/s00586-016-4637-7. Epub 2016 Jun 7.
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Shenouda EF, Gill SS. Laminal fenestration for the treatment of lumbar nerve root foraminal stenosis. Br J Neurosurg. 2002 Oct;16(5):494-6; discussion 497. doi: 10.1080/0268869021000030320.
Ahn Y, Oh HK, Kim H, Lee SH, Lee HN. Percutaneous endoscopic lumbar foraminotomy: an advanced surgical technique and clinical outcomes. Neurosurgery. 2014 Aug;75(2):124-33; discussion 132-3. doi: 10.1227/NEU.0000000000000361.
Jenis LG, An HS. Spine update. Lumbar foraminal stenosis. Spine (Phila Pa 1976). 2000 Feb 1;25(3):389-94. doi: 10.1097/00007632-200002010-00022.
Other Identifiers
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Lumbar Foraminal Stenosis
Identifier Type: -
Identifier Source: org_study_id
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