Adolescent idiopathic scoliosis: a new classification to determine extent of spinal arthrodesis
LG Lenke, RR Betz, J Harms, KH Bridwell… - JBJS, 2001 - journals.lww.com
Background: The lack of a reliable, universally acceptable system for classification of
adolescent idiopathic scoliosis has made comparisons between various types of operative …
adolescent idiopathic scoliosis has made comparisons between various types of operative …
Sagittal alignment of the spine and pelvis during growth
JM Mac-Thiong, É Berthonnaud, JR Dimar, RR Betz… - Spine, 2004 - journals.lww.com
Study Design. Prospective study of the sagittal plane alignment of the spine and pelvis in
the normal pediatric population. Objectives. To document the sagittal alignment of the spine …
the normal pediatric population. Objectives. To document the sagittal alignment of the spine …
Sagittal spinopelvic balance in normal children and adolescents
…, H Labelle, E Berthonnaud, RR Betz… - European Spine …, 2007 - Springer
The sagittal spinopelvic balance is poorly documented in normal pediatric subjects. The
purpose of this study is to characterize the sagittal spinopelvic balance in the pediatric …
purpose of this study is to characterize the sagittal spinopelvic balance in the pediatric …
Limitations of autograft and allograft: new synthetic solutions
RR Betz - Orthopedics, 2002 - journals.healio.com
Autogenous cancellous bone is widely regarded as an ideal construct for graft procedures,
supplying osteoinductive growth factors, osteogenic cells, and a structural scaffold. However, …
supplying osteoinductive growth factors, osteogenic cells, and a structural scaffold. However, …
Comparison of anterior and posterior instrumentation for correction of adolescent thoracic idiopathic scoliosis
RR Betz, J Harms, DH Clements III, LG Lenke… - Spine, 1999 - journals.lww.com
Study Design. This was a prospective study of two cohort groups of patients (one group receiving
anterior instrumentation and the other posterior instrumentation) receiving treatment for …
anterior instrumentation and the other posterior instrumentation) receiving treatment for …
Results of in situ fusion for isthmic spondylolisthesis
LG Lenke, KH Bridwell, D Bullis, RR Betz… - Clinical Spine …, 1992 - journals.lww.com
Between 1976 and 1990, we treated 56 isthmic spondylolisthesis patients with an average
age of 15+ 4 (range, 4+ 9 to 27±2) with in situ bilateral transverse process fusions utilizing …
age of 15+ 4 (range, 4+ 9 to 27±2) with in situ bilateral transverse process fusions utilizing …
Multisurgeon assessment of surgical decision-making in adolescent idiopathic scoliosis: curve classification, operative approach, and fusion levels
LG Lenke, RR Betz, TR Haher, MA Lapp, AA Merola… - Spine, 2001 - journals.lww.com
Study Design. A multisurgeon assessment of curve classification, selection of operative
approach, and fusion levels via a case study presentation. Objectives. To evaluate the ability of a …
approach, and fusion levels via a case study presentation. Objectives. To evaluate the ability of a …
Development and initial validation of the Classification of Early-Onset Scoliosis (C-EOS)
…, DJ McCalla, BA Akbarnia, LC Blakemore, RR Betz… - JBJS, 2014 - journals.lww.com
Background: Early-onset scoliosis is a heterogeneous condition, with highly variable
manifestations and natural history. No standardized classification system exists to describe and …
manifestations and natural history. No standardized classification system exists to describe and …
Evaluation of proximal junctional kyphosis in adolescent idiopathic scoliosis following pedicle screw, hook, or hybrid instrumentation
Study Design. Retrospective review. Objective. To compare the incidence of and risk factors
for proximal junctional kyphosis (PJK) in adolescent idiopathic scoliosis (AIS) following …
for proximal junctional kyphosis (PJK) in adolescent idiopathic scoliosis (AIS) following …
Intraobserver and interobserver reliability of the classification of thoracic adolescent idiopathic scoliosis
LG Lenke, RR Betz, KH Bridwell, DH Clements… - JBJS, 1998 - journals.lww.com
The system described by King et al. is the standard method for the classification of thoracic
adolescent idiopathic scoliosis. Although it is widely used and referenced, its reliability and …
adolescent idiopathic scoliosis. Although it is widely used and referenced, its reliability and …