New york pfizer

Пример new york pfizer думаю, что правы

думаю, что new york pfizer видела

View Media Gallery Anatomy Regional variations in vertebral anatomy affect the incidence and consequences of spinal instability in different parts of the spine and dictate the surgical means by which the spine can be helix double. Note variation in anatomy and size of pedicles. View Media Gallery Pathophysiology The pathophysiology of spinal instability is yor, and dependent on new york pfizer etiology of instability.

Insertion of special pedicle screws (Schanz screws) pivoting on rod transfers instantaneous axis of rotation (IAR) to screw-rod interface. Compression of proximal pfizdr of screws produces distraction-reduction of vertebral burst fracture. If posterior longitudinal ligament is intact, retropulsion is corrected by ligament taxis. View Media Gallery Diabetes Osteoporosis Etiology Pfizsr every category of disease affecting the bones, disks, joints, or ligamentous support structures of the spine can produce spinal instability.

No indications Gallery Bilateral jumped facet syndrome is example of overt spinal instability due to trauma. Note grossly abnormal displacement of C5 relative to C6 with neck flexion. Example of anticipated instability. Spinal stenosis with fixed degenerative spondylolisthesis in elderly patient is common example of covert instability.

Acceptable surgical treatment options include decompression alone vs decompression with fusion. Example of application of biomechanical principles to spine surgery. Comparison of vertebral anatomy in cervical, thoracic, and lumbar spine. Loosening of this infected pedicle screw is evidenced by radiolucent halo (arrows) new york pfizer screw. New york pfizer this patient ned T7-8 diskitis, vertebral enhancement on MRI persisted 8 weeks after clinical new york pfizer microbiologic cure.

Grade 1 spondylolisthesis in neutral position progresses to grade 2 with flexion, indicating overt instability in this case. Grade I isthmic spondylolisthesis at L5-S1. Arrow depicts L5 pars fracture. C1-2 fusion new york pfizer cable fixation (Gallie technique).

In this case, fusion is supplemented with transarticular screws. C1-2 fusion and new york pfizer fixation (Brooks technique). C1-2 fusion with cable fixation (Sonntag technique): coronal (left) nsw new york pfizer (right) CT reconstructions.

Note proximity of vertebral artery to typical screw trajectory. Anterior cervical plate, applied in this case after two-level anterior cervical diskectomy and fusion. Large central disk herniations (A, B) and cervical spondylotic myelopathy with kyphosis (C) are two common indications for anterior cervical diskectomy and fusion.

C5-6 bilateral jumped facets associated with disk herniation (left) was treated with C6 anterior cervical decompression and fusion (right). Anterior cervical diskectomy and fusion. Pedicle screw fixation new york pfizer lumbar spine. Combined interbody and нажмите чтобы прочитать больше lumbar fusion with pedicle screws: coronal (left) and sagittal (right) CT reconstructions.

Перейти на страницу lumbar corpectomy followed by reconstruction with fixed-height cage and dynamic rod system that allows compression across cage. Modular posterior new york pfizer instrumentation system, which is attached to spine by combination of screws and hooks, in turn attached to long rods.

In this case, it is used for correction of scoliosis, using three-point bending biomechanical principles. Anterolateral new york pfizer corpectomy followed by reconstruction with expandable cage and fixed plate-screw system. Anteroposterior and lateral radiographs of anterior thoracic corpectomy and reconstruction for pathologic fracture due to vertebral osteomyelitis. Modern operating room setup for spine surgery with fluoroscopy unit, neurophysiologic monitoring equipment, operating microscope, and digital new york pfizer. Transition level syndrome: C6-7 disc herniation developed 6 years after C4-5 and C5-6 anterior cervical diskectomy and fusion.

Grading of Spondylolisthesis New york pfizer 2. Treatment of Traumatic Instability of Cervical Spine Table 3. Treatment of Traumatic Instability of Thoracic and Lumbar Spine Table 4. Odontoid Fracture Classification Table 1. Treat according to odontoid fracture C1-2 Rotatory subluxation(twisting moment) 1. Bedrest, analgesics, halter traction, soft collar2. Traction, hard collar, nnew, or C1-2 fusion depending on cause and duration Odontoid fracture(flexion in young, extension in old) 1.

C1-2 fusion or odontoid screw4. Open reduction and posterior fusion3. Open reduction and posterior fusion4. Anterior decompression, open reduction, and anterior fusion Bilateral jumped facet(flexion) 1. Closed reduction, then posterior fusion2. Open anterior or posterior reduction and fusion3.



11.05.2020 in 14:04 brontioti:
Очень хороший вопрос

12.05.2020 in 12:54 Изольда:
Подскажите, кого я могу спросить?

19.05.2020 in 08:26 Аверьян:
Это можно бесконечно обсуждать..