X

Vertebral tuberculosis, bacterial infection

X

The fracture of posterior edge of vertebral body is extensive and incomplete in large scope

X

The degree of vertebral compression exceeds 70%

X

Pregnancy or planned pregnancy during the trial

X

Osteomyelitis, extradural cyst

X

Severe compression of the spinal cord at segment of the diseased vertebral body or secondary spinal stenosis

X

Severe cardiopulmonary insufficiency, coagulation mechanism disorder, septicemia and other patients not suitable for operation