Bilateral interlaminar fenestration and unroofing for the decompression of nerve roots by using a unilateral approach in lumbar canal stenosis.

Bilateral interlaminar fenestration and unroofing for the decompression of nerve roots by using a unilateral approach in lumbar canal stenosis. Research Abstract Details 

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Bilateral interlaminar fenestration and unroofing for the decompression of nerve roots by using a unilateral approach in lumbar canal stenosis. Abstract Text:

Koichi Iwatsuki,Toshiki Yoshimine,Masanori Aoki,Koichi Iwatsuki,Toshiki Yoshimine,Masanori Aoki,Koichi Iwatsuki,Toshiki Yoshimine,Masanori Aoki,

BACKGROUND: Conventional laminectomy is a simple procedure that provides adequate decompression in cases of lumbar spinal canal stenosis. However, with this surgical modality, important posterior osteoligamentous elements necessary for spinal stability are lost; and it is often accompanied by damage to the facet joint. Bilateral interlaminar fenestration and unroofing of the intervertebral foramen to achieve decompression of the nerve roots by using a unilateral microsurgical approach in lumbar spinal canal stenosis are less invasive compared with conventional laminectomy. METHODS: We carried out bilateral interlaminar fenestration and unroofing of the intervertebral foramen to decompress the stenosed nerve roots under a microscope by using a unilateral approach. In particular, we performed the decompression of the contralateral nerve root with this surgical method by using a Caspar retractor. Surgery was performed on 47 patients (18 women and 29 men; 29-85 years; median age, 62 years). All cases were with single-level lumbar spinal canal stenosis and bilateral radiculopathy. RESULTS: The mean preoperative NCOS was 29.8 (range, 8-48). The mean NCOS after a postoperative period of 3 months was 79.9 (range, 32-100). After a postoperative period of 2 years, the mean NCOS increased to 83.2 (range, 32-100). The satisfaction measures indicated that the procedure was "very successful" in 45 cases, providing "almost complete relief"; "fairly successful" in one case, providing "a good deal of relief"; and "not very successful" in another case, affording "only a little relief." CONCLUSIONS: This unilateral, minimally invasive decompression provided satisfactory results.

Bilateral interlaminar fenestration and unroofing for the decompression of nerve roots by using a unilateral approach in lumbar canal stenosis. Publishing Authors By Initials

K Iwatsuki,T Yoshimine,M Aoki,K Iwatsuki,T Yoshimine,M Aoki,K Iwatsuki,T Yoshimine,M Aoki,

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Bilateral interlaminar fenestration and unroofing for the decompression of nerve roots by using a unilateral approach in lumbar canal stenosis. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Surgical neurology

VOLUME: 68

Page Numbers: 487-92

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ISSN: 0090-3019

DAY: 6

MONTH: 09

YEAR: 2007

Bilateral interlaminar fenestration and unroofing for the decompression of nerve roots by using a unilateral approach in lumbar canal stenosis. Information

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LANGUAGE: eng

NlmUniqueID: 367070

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AFFILIATION: Department of Neurosurgery, Osaka University Medical School, Suita, Osaka 565-0871, Japan. kiwatsuki@nsurg.med.osaka-u.ac.jp

Country: United States

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MEDLINETA: Surg Neurol

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