Impact of spinal imbalance and BMI on lumbar spinal canal stenosis determined by a diagnostic support tool: cohort study in community-living people

Introduction The Japanese Society for Spine Surgery and Related Research (JSSR) developed a diagnostic support tool (score range −2 to 16) for lumbar spinal canal stenosis (LSS). It is well known that patients with LSS have a forward-bending posture while walking. We could find only one study which...

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Bibliographic Details
Published in:Archives of orthopaedic and trauma surgery 2013-11, Vol.133 (11), p.1477-1482
Main Authors: Hirano, Kenichi, Imagama, Shiro, Hasegawa, Yukiharu, Muramoto, Akio, Ishiguro, Naoki
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Body Mass Index
Cohort analysis
Cohort Studies
Female
Humans
Lumbar Vertebrae
Male
Medical diagnosis
Medicine
Medicine & Public Health
Middle Aged
Orthopaedic Surgery
Orthopedics
Postural Balance
Residence Characteristics
Spinal Stenosis - diagnosis
Spinal Stenosis - physiopathology
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Summary:Introduction The Japanese Society for Spine Surgery and Related Research (JSSR) developed a diagnostic support tool (score range −2 to 16) for lumbar spinal canal stenosis (LSS). It is well known that patients with LSS have a forward-bending posture while walking. We could find only one study which examined sagittal alignment of LSS patients. The objectives of this study were to screen community-living people with LSS, and to investigate the association between LSS and spinal sagittal alignment, range of motion (ROM), and other spinal or physical factors. Materials and methods We enrolled 286 subjects ≥50 years old in the study. We regarded those with a JSSR diagnostic risk score ≥7 as having LSS. We measured and evaluated lateral lumbar radiographs, sagittal parameters, sagittal balance, and spinal mobility as determined with SpinalMouse ® , back muscle strength (BMS), and body mass index (BMI). Spinal inclination angle (SIA) was used as an index of sagittal balance. Results Multivariate logistic regression analysis indicated that increased BMI (OR 1.121, p  
ISSN:0936-8051
1434-3916
DOI:10.1007/s00402-013-1832-4