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Clinical outcomes of microscopic decompression for degenerative lumbar foraminal stenosis: a comparison between patients with and without degenerative lumbar scoliosis

We performed microscopic lumbar foraminotomy in all the patients diagnosed with degenerative lumbar foraminal stenosis (DLFS) and retrospectively reviewed the clinical outcomes and the factors influencing them. The preoperative Japanese Orthopaedic Association (JOA) score of 13.8 significantly improved to 21.9 postoperatively. Although leg pain reduced in 44 patients (95.7%) immediately after surgery, it recurred in 9 patients (19.6%). The recurrence frequency was significantly higher and the JOA score improvement ratios significantly lower in patients with degenerative lumbar scoliosis (DLS) than in those without DLS. Even among patients with DLS, those with <3 degrees Cobb angle difference between the supine and standing positions showed satisfactory results, with no recurrence. In conclusion, microscopic lumbar foraminotomy for DLFS produced satisfactory clinical outcomes even in patients with DLS. However, the outcomes were poor in patients with unstable DLS Keywords : Adult,Aged,Aged,80 and over,Decompression,Decompression,Surgical,Female,Foraminotomy,Humans,Japan,Leg,Lumbar Vertebrae,Male,methods,Middle Aged,Minimally Invasive Surgical Procedures,Pain,Patients,Recurrence,Retrospective Studies,Scoliosis,Spinal Fusion,Spinal Stenosis,surgery,Treatment Outcome,, Outcomes,Microscopic,Decompression, touch tens machine

Date of Publication : 2011 Jun

Authors : Yamada K;Matsuda H;Nabeta M;Habunaga H;Suzuki A;Nakamura H;

Organisation : Department of Orthopaedic Surgery, Ishikiriseiki Hospital, 18-28, Yayoi-cho, Higashiosaka, Osaka, Japan. yamachen@msic.med.osaka-cu.ac.jp

Journal of Publication : Eur Spine J

Pubmed Link : https://www.ncbi.nlm.nih.gov/pubmed/20953638

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