ScholarWorks@중앙대학교

초록

BACKGROUND CONTEXT: Laminectomy with lateral mass screw fixation is a well-established procedure, with the Roy-Camille and Magerl techniques being extensively studied. However, there is a paucity of research regarding the Riew technique, which has been introduced recently. Additionally, while sex, height, and Torg-Pavlov ratio are acknowledged as significant factors in cervical spine morphology, their implications for screw length remain underexplored. PURPOSE: Measure and analyze possible screw sizes for Roy-Camille, Magerl, and Riew Techniques using 3D Multiplanar Reconstruction analysis. STUDY DESIGN/SETTING: N/A PATIENT SAMPLE: Sixty hospitalized patients (33 males and 27 females), who were treated for various spinal conditions, were selected for this study. OUTCOME MEASURES: Using 3D Multiplanar Reconstruction from CT scans, we meticulously measured the cervical vertebrae from C3 to C7. METHODS: The measurements were conducted in accordance with the protocols of three distinct techniques: Roy-Camille, Magerl, and Riew. Each technique was analyzed to evaluate and compare the lengths of the screws. RESULTS: The Roy-Camille technique showed the longest screws at C3 (men: 13.1 mm ± 1.9 mm) and shortest at C7 (men: 10.6 mm ± 1.7 mm). The Magerl technique had the longest at C7 (17.1 mm ± 2.3 mm) and shortest at C3 (14.7 mm ± 1.8 mm). For the Riew technique, screws were longest at C7 (21.9 mm ± 3.4 mm) and shortest at C3 (18.7 mm ± 2.5 mm). No statistically significant differences were found related to sex, height, and Torg-Pavlov ratio. CONCLUSIONS: The Riew technique allows for the use of longer screws, particularly at C7, which may enhance the rigid fixation of the subaxial cervical spine. FDA Device/Drug Status: This abstract does not discuss or include any applicable devices or drugs. © 2024