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Spine Deform. 2013 Sep;1(5):343-347. doi: 10.1016/j.jspd.2013.07.001. Epub 2013 Sep 25.

Sagittal Spinopelvic Parameters of Young Children With Scoliosis.

Author information

1
IWK Health Centre, 5850 University Avenue, P.O. Box 9700, Halifax, Nova Scotia B3K-6R8, Canada. Electronic address: ron.el-hawary@iwk.nshealth.ca.
2
Crawford Spine Center, Pediatric Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave. MLC 2017, Cincinnati, OH 45239, USA.
3
Orthopedic Surgery, Shriners Hospital Philadelphia, Shriners Hospital Outpatnt Clinic, 3551 N Broad St Suite 4, Philadelphia, PA, 19140, USA.
4
Clinical Orthopaedic Surgery, Columbia University, 116th Street and Broadway New York, NY, 10027 USA.
5
Orthopaedic Surgery, A. I. duPont Institute, 1600 Rockland Rd, Wilmington, DE, 19803, USA.
6
Orthopedic Surgery, Orthopedic and Neurosurgical Specialists, LLC807 N Haddon Ave Suite 1, Haddonfield, NJ, 08033, USA.
7
Shriners Hospital Portland, Children Orthpaedics, 3101 SW Sam Jackson Park Rd, Portland, OR, 97239, USA.
8
Orthopaedic Surgery, University of Medicine and Dentistry of New Jersey, United States, 2005-2009.
9
IWK Health Centre, 5850 University Avenue, P.O. Box 9700, Halifax, Nova Scotia B3K-6R8, Canada.
10
IWK Health Centre & Dalhousie University Division of Neurosurgery, Halifax, Nova Scotia, B3K 6R8, Canada.
11
Primary Children's Hospital, Pediatric Orthopaedics, 100 N Mario Capecchi Drive, Suite 4550, Salt Lake City, UT, 84113, USA.

Abstract

STUDY DESIGN:

Retrospective, multicenter review of the spinopelvic parameters in young children with scoliosis.

OBJECTIVES:

To describe sagittal alignment of the spine and pelvis in young children with scoliosis.

SUMMARY OF BACKGROUND DATA:

The natural history of spinopelvic parameters has been defined for the first 10 years of life in normal children; however, they have not been described for children with scoliosis. Such information is important because these values can be used as a baseline for the assessment of radiographic outcomes after surgical intervention.

METHODS:

Seven measures of sagittal alignment were taken from standing lateral radiographs of 80 children with scoliosis (coronal Cobb angle greater than 50°) and compared with age-matched normal children described in the literature. Statistical analysis was performed using 2-tailed Student t tests (level of significance = .05) and Pearson correlation coefficient.

RESULTS:

Patients had a mean age of 4.8 years (range, 1-10 years) and a mean Cobb angle of 72.0° ± 16°. Mean sagittal spine parameters were sagittal balance (2.2 ± 4 cm), thoracic kyphosis (38.0° ± 20.8°), and lumbar lordosis (49.0° ± 16.6°). These values were similar to those of children without scoliosis. Mean sagittal pelvic parameters were: pelvic incidence (46.5° ± 15.8°), pelvic tilt (10.7° ± 13.6°), sacral slope (35.5° ± 12.1°), and pelvic radius (55.7° ± 21.3°). Pelvic incidence was not significantly different from that of age-matched normal children; however, pelvic tilt was significantly higher and sacral slope was significantly lower in children with scoliosis.

CONCLUSIONS:

Sagittal plane spine parameters and some pelvic parameters were similar for young children with scoliosis versus age-matched normal children; however, children with scoliosis showed signs of increased pelvic tilt and decreased sacral slope. These values can be used as a baseline for both the natural history and the assessment of radiographic outcomes after surgical intervention.

KEYWORDS:

Baseline measures; Early-onset scoliosis; Prognosis; Sagittal plane spinopelvic parameters; Surgical treatment

PMID:
27927390
DOI:
10.1016/j.jspd.2013.07.001

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