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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Modi, Hitesh Suh, Seung Woo Song, Hae-Ryong Yang, Jae-Hyuk |
| Description | Author Affiliation: Modi H ( Department of Orthopedics, Scoliosis Research Institute, Korea University Guro Hospital, Seoul, Republic of Korea.) |
| Abstract | Previously, we described the ideal pedicle entry point (IPEP) for the thoracic spine at the base of the superior facet at the junction of the lateral one third and medial two thirds with the freehand technique on cadavers. Here we measured the accuracy of thoracic pedicle screw placement (Chung et al. Int Orthop 2008) on post-operative computed tomography (CT) scans in 43 scoliosis patients who underwent operation with the freehand technique taking the same entry point. Of the 854 inserted screws, 268 (31.3%) were displaced; 88 (10.3%) and 180 (21.0%) screws were displaced medially and laterally, respectively. With regard to the safe zone, 795 screws were within the safe zone representing an accuracy rate of 93%; 448 and 406 thoracic screws inserted in adolescent idiopathic and neuromuscular scoliosis showed an accuracy of 89.9 and 94%, respectively (p = 0.6475). The accuracy rate of screws inserted in the upper, middle and lower thoracic pedicles were 94.2, 91.6 and 93.7%, respectively (p = 0.2411). The results indicate that IPEP should be considered by surgeons during thoracic pedicle screw instrumentation. |
| File Format | HTM / HTML |
| ISSN | 03412695 |
| e-ISSN | 14325195 |
| DOI | 10.1007/s00264-008-0535-x |
| Journal | International Orthopaedics |
| Issue Number | 2 |
| Volume Number | 33 |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2009-04-01 |
| Publisher Place | Germany |
| Access Restriction | Open |
| Subject Keyword | Discipline Orthopedics Bone Screws Scoliosis Surgery Spinal Fusion Instrumentation Thoracic Vertebrae Adolescent Chi-square Distribution Cohort Studies Equipment Design Equipment Safety Monitoring, Intraoperative Neuronavigation Postoperative Complications Probability Retrospective Studies Risk Assessment Severity Of Illness Index Tomography, X-ray Computed |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Surgery |
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