Evaluate the outcome of micro endoscopic discectomy (MED) by tubular retractors on safety and efficacy of the technique.
Evaluate the outcome of micro endoscopic discectomy (MED) by tubular retractors on safety and efficacy of the technique.Patients who underwent surgery for herniated disc using the tubular retractors. The results were evaluated by using VAS (Visual Analog Scale 0-5) for back and leg pain and ODI (Oswestry Disability Index). Patients were followed up at intervals of 1 week, 6 weeks, 3 months, 6 months, 12 months and 2 years after surgery.
Study Type
OBSERVATIONAL
Enrollment
100
the patients receive micro endoscopic discectomy surgery therapy
Oswestry Disability Index
The efficacy of surgery were evaluated by using Oswestry Disability Index.
Time frame: 2 years after operation
Oswestry Disability Index
The efficacy of surgery were evaluated by using Oswestry Disability Index.
Time frame: preoperative evaluation and 1 week, 6 weeks, 3 months, 6 months, 12 months after operation
Visual Analog Scale
The efficacy of surgery were evaluated by using Visual Analog Scale for back and leg pain.
Time frame: preoperative evaluation and 1 week, 6 weeks, 3 months, 6 months, 12 months and 2 years postoperative follow-up
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