Clinical Study

Skipping Posterior Dynamic Transpedicular Stabilization for Distant Segment Degenerative Disease

Table 1

Patient demographic data.

Patient No.Gender Age Preoperative neurological findingsRadiologic findings (X-Ray, MRI)Operation Complication

1M
66Bilateral SLR 30°+
Left FST+
Left gastrocnemius 2/5 MW
Left L3-4 HNP
Right L5-S1 HNP
L3-4 spinal stenosis
Left L3-4, right L5-S1 microlumbar discectomy
L3-4, L5-S1 PDI
None

2F
60LBP L3-4, L4-5 DDDL3-4, L4-5 PDINone

3F48LBP
Left FST+
Left SLR 60°+
Left L3-4 HNP
Right L5-S1 HNP
Left L3-4, right L5-S1 microlomber discectomy
L3-4, L5-S1 PDI
None

4F74LBP
Left L5 dermatomal hypoesthesia
L1-2, L4-5 spinal stenosisL1, L4 hemilaminectomy
L1-2, L4-5 PDI
None

5F60LBP
Left SLR 60°+
L1-2 midline HNP
L5-S1 left HNP
Right L1-2, left L5-S1 microlumbar discectomy +
L1-2 and L5-S1 PDI
None

6M40LBPT11-T12, L1-2 DDDT11-T12, L1-2 PDINone

7F54LBPL2-3, L4-5, DDD, spondylolisthesisL2-3, L4-5 PDINone

8M53LBPL5-S1 and L1-2, L2-3 DDDL1-2, L2-3, L5-S1 PDINone

9M47LBP
Right SLR 45°+
S1 dermatomal hypoesthesia
L3-4 DDD
right L5-S1 HNP
Right L5-S1 microlomber discectomy
L3-4, L5-S1 PDI
None

10M29LBP L3-4, L5-S1 DDDL3-4, L5-S1 PDINone

11F49Left FST+
Left SLR 30°+
Left achilles reflex hypoactive
Left gastrocnemius L5-S1 1/5 MW
Left T12-L1 HNP
Left L5-S1 HNP
L4-5 retrolisthesis
Left T12-L1, L5-S1 microlomber discectomy
L4-5-S1 PDI
None

12F74LBPL3-4, L5-S1 DDDL3-4, L5-S1 PDISpinal epidural hematoma

13M50LBP
Left SLR 45°
Left L4 dermatomal paresthesia
Left L3-4, L5-S1 HNP
Foraminal stenosis
Left L3-4, L5-S1 microlomber discectomy
L3-4, L5-S1 PDI
None

14F48LBPL1-2 HNP,
L1-2, L4-5, L5-S1 DDD
Left L1-2 microlomber discectomy
Left L4-5 microlomber decompression, L1-2, L4-5-S1 PDI
None

15M73LBPL5-S1 DDD
T12-L2 foraminal stenosis
L5-S1, microlomber discectomy
L5-S1, T12-L2 PDI
None

16F68LBPL2-3, L5-S1 DDDL2-3, L5-S1 PDINone

17F54LBPL1–3 and L4-5 DDDL1–3 and L4-5 PDINone

18M42LBPL2-3 and L4-5 DDDL2-3 and L4-5 PDINone

PDI: posterior dynamic instrumentation, FST: femoral stretching test, SLR: straight leg rising, HNP: hernia nucleus pulposus, LBP: lower back pain, and DDD: degenerative disc disease.