Browsing by Author "Ha, Yoon"

Coronal plane spinal malalignment and Parkinson's disease: prevalence and associations with disease severity.

Choi, Hong June; Smith, Justin S; Shaffrey, Christopher I; Lafage, Virginie C; Schwab, Frank J; Ames, Christopher P; Matsumoto, Morio; ... (9 authors) (The spine journal : official journal of the North American Spine Society, 2015-01)

<h4>Background context</h4>Parkinson's disease (PD) is a progressive degenerative disorder of the central nervous system. Patients with PD often present with abnormal posturing.<h4>Purpose</h4>To investigate coronal plane ...

Diversity in Surgical Decision Strategies for Adult Spine Deformity Treatment: The Effects of Neurosurgery or Orthopedic Training Background and Surgical Experience.

Kang, Jiin; Hosogane, Naobumi; Ames, Christopher; Schwab, Frank; Hart, Robert; Burton, Douglas; Shaffrey, Christopher; ... (12 authors) (Neurospine, 2018-08-29)

This study is aimed to investigate whether surgical strategies for adult spinal deformity (ASD) treatment differed among Korean physicians.This study is retrospective questionnaire-based study. ASD is challenging to manage, ...

Impact of Movement Disorders on Management of Spinal Deformity in the Elderly.

Ha, Yoon; Oh, Jae Keun; Smith, Justin S; Ailon, Tamir; Fehlings, Michael G; Shaffrey, Christopher I; Ames, Christopher P (Neurosurgery, 2015-10)

Spinal deformities are frequent and disabling complications of movement disorders such as Parkinson disease and multiple system atrophy. The most distinct spinal deformities include camptocormia, antecollis, Pisa syndrome, ...

Introduction. Adult spinal deformity.

Shaffrey, Christopher I; Smith, Justin S; Ames, Christopher P; Yagi, Mitsuru; Alanay, Ahmet; Ha, Yoon (Neurosurgical focus, 2017-12)

Prevalence and type of cervical deformities among adults with Parkinson's disease: a cross-sectional study.

Moon, Bong Ju; Smith, Justin S; Ames, Christopher P; Shaffrey, Christopher I; Lafage, Virginie; Schwab, Frank; Matsumoto, Morio; ... (9 authors) (Journal of neurosurgery. Spine, 2016-04)

<h4>Object</h4>To identify the characteristics of cervical deformities in Parkinson's disease (PD) and the role of severity of PD in the development of cervical spine deformities, the authors investigated the prevalence ...

Prevention of Surgical Site Infections in Spine Surgery: An International Survey of Clinical Practices Among Expert Spine Surgeons.

Tkatschenko, Dimitri; Hansen, Sonja; Koch, Julia; Ames, Christopher; Fehlings, Michael G; Berven, Sigurd; Sekhon, Lali; ... (31 authors) (Global spine journal, 2022-02)

<h4>Study design</h4>Questionnaire-based survey.<h4>Objectives</h4>Surgical site infection (SSI) is a common complication in spine surgery but universal guidelines for SSI prevention are lacking. The objectives of this study ...

Reciprocal changes in cervical spine alignment after corrective thoracolumbar deformity surgery.

Ha, Yoon; Schwab, Frank; Lafage, Virginie; Mundis, Gregory; Shaffrey, Christopher; Smith, Justin; Bess, Shay; ... (8 authors) (European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2014-03)

<h4>Purpose</h4>To identify changes in cervical alignment parameters following surgical correction of thoracolumbar deformity and then assess the preoperative parameters which induce changes in cervical alignment following ...

Sagittal spinopelvic malalignment in Parkinson disease: prevalence and associations with disease severity.

Oh, Jae Keun; Smith, Justin S; Shaffrey, Christopher I; Lafage, Virginie; Schwab, Frank; Ames, Christopher P; Matsumoto, Morio; ... (9 authors) (Spine, 2014-06)

<h4>Study design</h4>Prospective study.<h4>Objective</h4>Our objectives were to evaluate the prevalence of sagittal spinopelvic malalignment in a consecutive series of patients with Parkinson disease (PD) and to identify ...