Determining the treatment strategy for patients with degenerative diseases of the spine is extremely difficult, without an accurate understanding of the nature of stress distribution in the vertebral-motor segments of the spine, as well as biomechanical changes that are associated with degenerative diseases of the spine. In this clinical study, we want to compare the use of unilateral and bilateral transpedicular fixation for treating the patients with degenerative diseases of the lumbar spine.
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fusion rate of the operated spine segment
Timeframe: in 3 months after surgery
fusion rate of the operated spine segment
Timeframe: in 6 months after surgery
fusion rate of the operated spine segment
Timeframe: in 12 months after surgery