Jeffrey M. Hills
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View article: Alignment Goals in Adult Spinal Deformity Surgery
Alignment Goals in Adult Spinal Deformity Surgery Open
Study Design Narrative review. Objectives Adult spinal deformity (ASD) surgery has progressively transitioned from mean regional alignment targets to individualized segmental alignment goals, and from health-related quality of life (HRQL) …
View article: Validation and clinical application of the ΔC2 pelvic angle − ΔC2 tilt = Δpelvic tilt equation for predicting pelvic tilt in spinal deformity surgery
Validation and clinical application of the ΔC2 pelvic angle − ΔC2 tilt = Δpelvic tilt equation for predicting pelvic tilt in spinal deformity surgery Open
OBJECTIVE Notably, studies have established a consistent link between global sagittal alignment and pelvic tilt (PT) using C2 tilt (C2T) and C2 pelvic angle (C2PA), described by the following equation: C2PA = PT + C2T. The present study ai…
View article: Defining Clinically Relevant Proximal Junctional Kyphosis
Defining Clinically Relevant Proximal Junctional Kyphosis Open
Proximal junctional kyphosis and failure are not infrequent complications of adult spinal deformity reconstructions. Efforts to define proximal junctional kyphosis have ranged from expert opinions to statistical analyses of large databases…
View article: Proximal junctional failure in primary thoracolumbar fusion/fixation to the sacrum/pelvis for adult symptomatic lumbar scoliosis: long-term follow-up of a prospective multicenter cohort of 160 patients
Proximal junctional failure in primary thoracolumbar fusion/fixation to the sacrum/pelvis for adult symptomatic lumbar scoliosis: long-term follow-up of a prospective multicenter cohort of 160 patients Open
OBJECTIVE Proximal junctional failure (PJF) is a severe form of proximal junctional kyphosis. Previous reports on PJF have been limited by heterogeneous cohorts and relatively short follow-ups. The authors’ objectives herein were to identi…
View article: Rod fractures in thoracolumbar fusions to the sacrum/pelvis for adult symptomatic lumbar scoliosis: long-term follow-up of a prospective, multicenter cohort of 160 patients
Rod fractures in thoracolumbar fusions to the sacrum/pelvis for adult symptomatic lumbar scoliosis: long-term follow-up of a prospective, multicenter cohort of 160 patients Open
OBJECTIVE Previous reports of rod fracture (RF) in adult spinal deformity are limited by heterogeneous cohorts, low follow-up rates, and relatively short follow-up durations. Since the majority of RFs present > 2 years after surgery, true …
View article: Anterior Column Realignment (ACR) With and Without Pre-ACR Posterior Release for Fixed Sagittal Deformity
Anterior Column Realignment (ACR) With and Without Pre-ACR Posterior Release for Fixed Sagittal Deformity Open
We present our experience with and without pre-ACR posterior release. To our knowledge, this is the first study to show that pre-ACR posterior release may achieve greater correction at the ACR level.