spine surgery

Question 1

principle goals of spine surgery

Answer 1

nerve decompression, stabilization of unstable segments, restoration of normal spine balance in the coronal and sagittal planes

Question 2

sagittal vertical axis

Answer 2

lateral view from C7. line should go through posterior body of S1 and the posterior sacrum. Increased SVA means patient is leaning forward.

Question 3

what factors affect sagittal balance

Answer 3

head position, cervical lordosis, thoracic kyphosis, lumbar lordosis, pelvic incidence, femoral-sacral angle

Question 4

what imaging can be used to predict other balance abnormalities?

Answer 4

T1 tilt angle

Question 5

what causes osteoporotic compression fractures?

Answer 5

poor calcium intake, smoking, steroids, inactivity, genetics

Question 6

when is osteoporosis considered severe?

Answer 6

when bone is no longer strong enough to withstand the stresses of everyday life

Question 7

what is most common fracture?

Answer 7

vertebral body compression fracture

Question 8

long term consequences of VCF

Answer 8

impaired function, Decreased qol, pulmonary disorders, mortality

Question 9

vertebroplasty

Answer 9

percutaneous bone cement injection

Question 10

why was vertebrosplasty designed? shortcomings?

Answer 10

to stabilize painful VCFs.

shortcomings: risk of filler leaks, freezes spinal deformity