To evaluate a new endoscopic technique for lumbar spinal canal decompression.
104 consecutive patients suffering of neurogenic claudication were included in the study. Patients were operated using the irrigation endoscopic decompression technique. Mean Follow up was 28 months Primary outcome measures were assessed using the Oswestry Disability Index \[19\] and the modified Macnab Criteria All statistical calculations were done using computer programs SPSS (Statistical Package for the Social Science; SPSS Inc., Chicago, IL, USA) version 15 for Microsoft Windows
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
104
2 portals 0.5cm were used one for the endoscope and the other for instruments. For every additional level one portal is added. The endoscope and instruments are directly placed over the surface of lamina without any dissection and saline under pump pressure is used to open a potential working space. Unilateral laminotomy/laminectomy is performed according to the severity of stenosis, followed by bilateral decompression beneath the midline structures.
Oswestry Disability Index
Measurement of pain intensity, personal care, sitting, standing, walking, lifting,sleeping, sex life, social life, travelling
Time frame: 24 months
Modified Macnab criteria
patient satisfaction, the need for medications, ability to return to activity
Time frame: 24 months
Time for ambulation
postoperative time required to start ambulation
Time frame: 72 hours
Time for hospitalization
postoperative hospital stay till discharge
Time frame: 72 hours
VAS for back pain
Pain intensity on scale from 0-10
Time frame: 72 hours
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