External validation of the global alignment and proportion (GAP) score as prognostic tool for corrective surgery in adult spinal deformity: a systematic review and meta …

JL Gendreau, A Nguyen, NJ Brown, Z Pennington… - World Neurosurgery, 2023 - Elsevier
Introduction Since its proposal, the Global Alignment and Proportion (GAP) score has been
the topic of several external validation studies, which have yielded conflicting results. Given …

Hounsfield Unit Values as an Adjunct Diagnostic Tool: Investigating Its Relationship with Bone Mineral Density and Vertebral Bone Quality in Lumbar Degenerative …

A Hiyama, D Sakai, H Katoh, M Sato, M Watanabe - World neurosurgery, 2024 - Elsevier
Objective With an increasing prevalence of osteoporosis due to demographic shifts,
accurate diagnostic methods are vital, particularly before spinal surgeries. This research …

Comparative analysis of hounsfield units and vertebral bone quality scores for predicting proximal junctional failure in female adult spinal deformity patients …

A Hiyama, D Sakai, H Katoh, M Sato, M Watanabe - World Neurosurgery, 2023 - Elsevier
Objective This study aimed to evaluate the utility of computed tomography (CT)–based
Hounsfield units (HUs) and magnetic resonance imaging–based Vertebral Bone Quality …

Sarcopenia at the upper instrumented vertebra is more significantly associated with proximal junctional kyphosis after long fusion for adult spinal deformity surgery …

S Tsutsui, H Hashizume, H Iwasaki, M Takami… - Journal of Clinical …, 2023 - Elsevier
Proximal junctional kyphosis (PJK) is a major mechanical complication after adult spinal
deformity (ASD) surgery, and is multifactorial. Osteopenia and sarcopenia are patient risk …

[HTML][HTML] The Influence of Osteoporosis on Mechanical Complications in Lumbar Fusion Surgery: A Systematic Review

A Filley, A Baldwin, AR Ben-Natan, K Hansen… - North American Spine …, 2024 - Elsevier
Background Adults undergoing spine surgery often have underlying osteoporosis, which
may be a risk factor for postoperative complications. Although these associations have been …

Postoperative radiological improvement after staged surgery using lateral lumbar interbody fusion for preoperative coronal malalignment in patients with adult spinal …

A Hiyama, D Sakai, H Katoh, M Sato… - Journal of Clinical …, 2023 - mdpi.com
This retrospective observational study evaluated improvement in coronal malalignment (CM)
after anteroposterior staged surgery using lateral lumbar interbody fusion (LLIF) in patients …

The relationship between the Hounsfield units value of the upper instrumented vertebra and the severity of proximal junctional fracture after adult spinal deformity …

N Yoshie, K Maruo, F Arizumi, K Kishima, T Kusukawa… - Medicina, 2023 - mdpi.com
Background and Objectives: In this retrospective cohort study, we investigate associations
between the Hounsfield units (HU) value of upper instrumented vertebra (UIV) and proximal …

Anterior column Realignment through Open Pre-posterior Release-anterior-posterior Fusion Versus Hybrid minimally invasive-anterior-posterior Fusion for dynamic …

J Ahn, KY Ha, YC Kim, KT Kim, SM Kim… - Global Spine …, 2024 - journals.sagepub.com
Study Design Retrospective comparative study. Objectives To investigate the clinical and
radiological outcomes after anterior column realignment (ACR) through pre-posterior …

[HTML][HTML] The importance of Hounsfield units in adult spinal deformity surgery: finding an optimal threshold to minimize the risk of mechanical complications

H Chanbour, AM Steinle, JW Chen… - Journal of Spine …, 2023 - ncbi.nlm.nih.gov
Background Low bone mineral density (BMD) is a well-established risk factor for mechanical
complications following adult spinal deformity (ASD) surgery. Hounsfield units (HU) …

An analysis of whether a new formula can predict proximal junctional failure in adult spinal deformity patients with global Kyphosis

A Hiyama, H Katoh, S Nomura, D Sakai, M Sato… - World Neurosurgery, 2023 - Elsevier
Objective A new formula containing terms for age and sagittal curvature reported by the
International Spine Study Group is ideal lumbar lordosis (iLL)= pelvic incidence-0.3 thoracic …