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Efficacy of a Novel Annular Closure Device after Lumbar Discectomy in Korean Patients: A 24-Month Follow-Up of a Randomized Controlled Trial

Cho PG, Shin DA, Park SH, Ji GY

OBJECTIVE: Lumbar discectomy is an effective treatment for lumbar disc herniation (LDH); however, up to 2–18% of patients with LDH have experienced recurrent disc herniation. The purpose of this study...
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Clinical Effectiveness of Percutaneous Epidural Neuroplasty According to the Type of Single-Level Lumbar Disc Herniation : A 12-Month Follow-Up Study

Cho PG, Ji GY, Yoon YS, Shin DA

OBJECTIVE: To determine whether the outcomes of percutaneous epidural neuroplasty (PEN) are influenced by the type of lumbar disc herniation (LDH) and evaluate the effectiveness of PEN in patients with...
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Biomechanical Analysis of Biodegradable Cervical Plates Developed for Anterior Cervical Discectomy and Fusion

Cho PG, Ji GY, Park SH, Shin DA

STUDY DESIGN: In-vitro biomechanical investigation. PURPOSE: To evaluate the biomechanical effects of the degeneration of the biodegradable cervical plates developed for anterior cervical discectomy and fusion (ACDF) on fusion and adjacent...
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Inter- and Intra-Observer Variability of the Volume of Cervical Ossification of the Posterior Longitudinal Ligament Using Medical Image Processing Software

Shin DA, Ji GY, Oh CH, Kim KN, Yoon DH, Shin H

OBJECTIVE: Computed tomography (CT)-based method of three dimensional (3D) analysis (MIMICS®, Materialise, Leuven, Belgium) is reported as very useful software for evaluation of OPLL, but its reliability and reproducibility are...
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Sacral Reconstruction with a 3D-Printed Implant after Hemisacrectomy in a Patient with Sacral Osteosarcoma: 1-Year Follow-Up Result

Kim D, Lim JY, Shim KW, Han JW, Yi S, Yoon DH, Kim KN, Ha Y, Ji GY, Shin DA

Pelvic reconstruction after sacral resection is challenging in terms of anatomical complexity, excessive loadbearing, and wide defects. Nevertheless, the technological development of 3D-printed implants enables us to overcome these difficulties....
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Delayed Vertebral Artery Dissection after Posterior Cervical Fusion with Traumatic Cervical Instability: A Case Report

Oh CH, Ji GY, Yoon SH, Hyun D, Kim EY, Park H, Jang AR

Vascular injury presented immediately after the penetration, but delayed onset of vascular symptom caused by an embolism or vessel dissection after cervical fusion or traumatic event is extremely rare. We...
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Preliminary Experiences of the Combined Midline-Splitting French Door Laminoplasty with Polyether Ether Ketone (PEEK) Plate for Cervical Spondylosis and OPLL

Oh CH, Ji GY, Hur JW, Choi WS, Shin DA, Lee JB

OBJECTIVE: The purpose of this study was to evaluate the safety and efficacy of cervical midline-splitting French-door laminoplasty with a polyether ether ketone (PEEK) plate. The authors retrospectively analyzed the...
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Efficacy and Safety of Sodium Hyaluronate with 1,4-Butanediol Diglycidyl Ether Compared to Sodium Carboxymethylcellulose in Preventing Adhesion Formation after Lumbar Discectomy

Ji GY, Oh CH, Moon BG, Yi S, Han IB, Heo DH, Kim KT, Shin DA, Kim KN

OBJECTIVE: Epidural injection of hyaluronic acid may prevent adhesion formation after spine surgery, but the compounds used to stabilize hyaluronidase could interfere with its anti-adhesion effects. The present study was...
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Efficacy of Percutaneous Epidural Neuroplasty Does Not Correlate with Dural Sac Cross-Sectional Area in Single Level Disc Disease

Ji GY, Oh CH, Moon B, Choi SH, Shin DA, Yoon YS, Kim KN

PURPOSE: Percutaneous epidural neuroplasty (PEN) is a minimally invasive treatment. The efficacy of PEN has been relatively well investigated; however, the relationship between the clinical effectiveness of PEN and the...
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The Use of Magnetic Resonance Imaging in Predicting the Clinical Outcome of Spinal Arteriovenous Fistula

Shin DA, Park KY, Ji GY, Yi S, Ha Y, Park SW, Yoon DH, Kim KN

PURPOSE: Magnetic resonance imaging (MRI) has been used to screen and follow-up spinal dural arteriovenous fistulae (SDAVF). The purpose of this study was to evaluate the association between MRI findings...
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Paralytic Ileus and Prophylactic Gastrointestinal Motility Medication after Spinal Operation

Oh CH, Ji GY, Yoon SH, Hyun D, Park HC, Kim YJ

PURPOSE: To investigate the prevalence of paralytic ileus after spinal operation in the supine or prone operative position and to determine the efficacy of prophylactic gastrointestinal motility medications in preventing...
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Feasibility of Translaminar Screw Placement in Korean Population: Morphometric Analysis of Cervical Spine

Ji GY, Oh CH, Park SH, Kurniawan , Lee J, Jeon JK, Shin DA, Kim KN

PURPOSE: To analyze the feasibility of unilateral and bilateral translaminar screw placement in Koran population, and compare the acceptance rate using previously reported data in American population. MATERIALS AND METHODS: The...
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Surface Landmarks do not Correspond to Exact Levels of the Cervical Spine: References According to the Sex, Age and Height

Oh CH, Ji GY, Yoon SH, Hyun D, Choi CG, Lim HK, Jang AR

OBJECTIVE: A general orientation along the cervical spine could be estimated by external landmarks, and it was useful, quick and less exposable to radiation, but, sometimes it gave reference confusion...
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Cervical Arthroplasty for Moderate to Severe Disc Degeneration: Clinical and Radiological Assessments after a Minimum Follow-Up of 18 Months: Pfirrmann Grade and Cervical Arthroplasty

Oh CH, Kim DY, Ji GY, Kim YJ, Yoon SH, Hyun D, Kim EY, Park H, Park HC

PURPOSE: Clinical outcomes and radiologic results after cervical arthroplasty have been reported in many articles, yet relatively few studies after cervical arthroplasty have been conducted in severe degenerative cervical disc...
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Repeated Complication Following Atlantoaxial Fusion: A Case Report

Oh CH, Ji GY, Seo HS, Yoon SH, Hyun D, Park HC

A patients with atlantoaixial instability and osodontoideum underwent atlantoaixial fusion (Harms and Melcher technique) with demineralized bone matrix. But, unfortunately, the both pedicle screws in C2 were fractured within 9...
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Use of Annular Closure Device (Barricaid(R)) for Preventing Lumbar Disc Reherniation: One-Year Results of Three Cases

Hahn BS, Ji GY, Moon B, Shin DA, Ha Y, Kim KN, Yoon DH

Although lumbar discectomy is an effective treatment for lumbar disc herniation, complications exist, including postoperative disc height loss, facet joint degeneration, and recurrent disc herniation. To solve these problems, annular...
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Interference of Detection Rate of Lumbar Disc Herniation by Socioeconomic Status

Ji GY, Oh CH, Jung NY, An SD, Choi WS, Kim JH

STUDY DESIGN: Retrospective study. PURPOSE: The objective of the study is to evaluate the relationship between the detection rate of lumbar disc herniation and socioeconomic status. OVERVIEW OF LITERATURE: Income is one...
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Spinal Subdural Hematoma Following Cranial Subdural Hematoma : A Case Report with a Literature Review

Ji GY, Oh CH, Chung D, Shin DA

Coexistence of cranial and spinal subdural hematomas is rare and only a few cases have been reported in the literature. Herein, we report a case of cranial and spinal subdural...
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Radiological anatomical consideration of conjoined nerve root with a case review

Oh CH, Park JS, Choi WS, Choi E, Ji GY

Nerve root anomalies are frequently underrecognized regardless of the advances in imaging studies; they are also underappreciated and underreported when encountered surgically. The classification of conjoined nerve roots is based...
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Vertebral Artery Dissect Injury with Brown-Sequard Syndrome by a Neural Foramen Penetrated Electric Screw Driver Bit : A Case Report

Oh CH, Kim MS, Noh SH, Shin DA, Ji GY

There are few reports in the literature of complete obstruction of the vertebral artery (VA) due to an electric screw driver bit penetration through the neural foramen into the spinal...
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