Minimally invasive cortical bone trajectory screws placement via pedicle or pedicle rib unit in the lower thoracic spine: a cadaveric and radiographic study

Purpose To evaluate the feasibility of cortical bone trajectory (CBT) screws fixation via pedicle or pedicle rib unit in the cadaveric thoracic spine (T9–T12). Methods Computed tomography (CT) images of 100 patients are analyzed by multiplanar reconstruction. Ten cadaveric thoracic spines are used t...

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Veröffentlicht in:	European spine journal 2016-12, Vol.25 (12), p.4199-4207
Hauptverfasser:	Xuan, Jun, Zhang, Di, Jin, Hai-Ming, Chen, Jiao-Xiang, Xu, Dao-Liang, Xu, Hong-Ming, Wu, Yao-Sen, Wang, Xiang-Yang
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Aged Cadaver Cortical Bone - diagnostic imaging Feasibility Studies Female Humans Male Medicine Medicine & Public Health Middle Aged Minimally Invasive Surgical Procedures - methods Neurosurgery Original Article Orthopedic Procedures - methods Pedicle Screws Surgical Orthopedics Thoracic Vertebrae - diagnostic imaging Thoracic Vertebrae - surgery Tomography, X-Ray Computed
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Zusammenfassung:	Purpose To evaluate the feasibility of cortical bone trajectory (CBT) screws fixation via pedicle or pedicle rib unit in the cadaveric thoracic spine (T9–T12). Methods Computed tomography (CT) images of 100 patients are analyzed by multiplanar reconstruction. Ten cadaveric thoracic spines are used to insert 4.5 × 35.0 mm CBT screws at all levels from T9 to T12. Results Maximal screw length obtained by CT has a tendency to gradually increase from T9 (29.64 mm) to T12 (32.84 mm), and the difference reaches significant level at all levels except T9 versus T10 ( P
ISSN:	0940-6719 1432-0932
DOI:	10.1007/s00586-016-4730-y