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Medical Papers Lumbar

The Risks of Pedicle Wall Breech with Larger Screws After Untapping

Scientific Paper Chin KR1, Gibson B. Interested medical professionals can read the full paper, published also in the Spine Journal, here. BACKGROUND CONTEXT A linear relation exists between the insertional torque when placing a screw and the ultimate screw pullout strength; therefore, undertapping of the pedicle followed by insertion of a larger screw may enhance the pullout strength …

The Risks of Pedicle Wall Breech with Larger Screws After Untapping Read More »

Mini-Open or Percutaneous Bilateral Lumbar Transfacet Pedicle Screw Fixation: a Technical Note

Scientific Paper Chin KR1, Seale J, Cumming V. Interested medical professionals can read through the full paper, as published in Clinical Spine Surgery, here. STUDY OBJECTIVE Case report. OBJECTIVE To describe the technique used to place bilateral lumbar transfacet pedicle screws. SUMMARY OF BACKGROUND DATA Transfacet pedicle screw fixation is a growing alternative and biomechanically comparable with traditional …

Mini-Open or Percutaneous Bilateral Lumbar Transfacet Pedicle Screw Fixation: a Technical Note Read More »

Safety and Usefulness of Free Fat Grafts After Microdiscectomy Using an Access Cannula: a Prospective Pilot Study and Literature Review

Scientific Paper Chin KR1, Bassora R, Yu WD. Interested medical professionals can read the full paper, published also in the American Journal of Orthopedics, here. Abstract Placing an interpositional fat graft over the dura has been practiced to prevent sciatica due to nerve tethering from scar. We assessed feasibility, outcomes, and complications of free fat grafts in patients …

Safety and Usefulness of Free Fat Grafts After Microdiscectomy Using an Access Cannula: a Prospective Pilot Study and Literature Review Read More »

Stability of Transforaminal Lumbar Interbody Fusion in the Setting of Retained Facets and Posterior Fixation Using Transfacet or Standard Pedicle Screws

Scientific Paper Chin KR1, Reis MT2, Reyes PM2, Newcomb AG2, Neagoe A2, Gabriel JP3, Sung RD4, Crawford NR2. Interested medical professionals can read through the full paper, as published in the Spine Journal, here. BACKGROUND CONCEPT The transforaminal lumbar interbody fusion (TLIF) technique supplements posterior instrumented lumbar spine fusion and has been tested with different types of screw fixation for stabilization. Transforaminal lumbar …

Stability of Transforaminal Lumbar Interbody Fusion in the Setting of Retained Facets and Posterior Fixation Using Transfacet or Standard Pedicle Screws Read More »

Stabilizing Effects of a Particulate Demineralized Bone Matrix in the L4 Interbody Space with and Without PEEK Cage – A Literature Review and Preliminary Results of a Cadaveric Biomechanical Study

Scientific Paper Bruce C1, Chin KR2, Cumming V3, Crawford NR4. Interested medical professionals can read through the full paper, also published the West Indian Medical Journal, here. Abstract We reviewed the biological elements supporting the usefulness of a specifically designed particulate form of demineralized bone matrix (DBM) with spinal fusion, and report some limitations of its use described in …

Stabilizing Effects of a Particulate Demineralized Bone Matrix in the L4 Interbody Space with and Without PEEK Cage – A Literature Review and Preliminary Results of a Cadaveric Biomechanical Study Read More »

Effects of Misalignment on Static Torsional Strength of Anterior Cervical Plate Systems

Scientific Paper Chin KR1, Cumming VB, Henson M, Murrell B, Chan FW. Interested medical professionals can read through the full paper, as published in the Spine Journal, here. BACKGROUND There is little understanding of cervical plate misalignment as a risk factor for plate failure at the plate-screw-bone interface. PURPOSE To assess the torsional strength and mode of failure of cervical …

Effects of Misalignment on Static Torsional Strength of Anterior Cervical Plate Systems Read More »

Risk of Progression in De Novo Low-Magnitude Degenerative Lumbar Curves: Natural History and Literature Review

Scientific Paper Chin KR1, Furey C, Bohlman HH. Interested medical professionals can read through the full paper, also published in the American Journal of Orthopedics, here. ABSTRACT Natural history studies have focused on risk for progression in lumbar curves of more than 30 degrees, while smaller curves have little data for guiding treatment. We studied curve progression in …

Risk of Progression in De Novo Low-Magnitude Degenerative Lumbar Curves: Natural History and Literature Review Read More »

Success of Lumbar Microdiscectomy in Patients with Modic Changes and Low-Back Pain: a Prospective Pilot Study

Scientific Paper Chin KR1, Tomlinson DT, Auerbach JD, Shatsky JB, Deirmengian CA. Interested medical professionals can read through the full paper, as published in Clinical Spine Surgery, here. STUDY DESIGN Prospective case controlled. OBJECTIVE To determine the outcome after microdiscectomy in patients with disc herniation, concordant sciatica, and low-back pain with Modic I and II degenerative changes compared with similar patients …

Success of Lumbar Microdiscectomy in Patients with Modic Changes and Low-Back Pain: a Prospective Pilot Study Read More »

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