None listed
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Lumbar spinal stenosis and disc herniation patients 2) Patients needing surgery who did not response to conservative treatment 3) Patients who are planned for biportal endoscopic spinal surgery
Exclusion criteria
Exclusion criteria: 1) Patients with unstable cadiovascular status 2) Patients with acute infection 3) Patients with previous lumbar spinal surgery 4) Patients with anticoagulant or antiplatelet drugs 5) Patients who does not understand study protocol
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Cervical epidural pressure | — |
Secondary
| Measure | Time frame |
|---|---|
| visual analog scale, Oswestry Diability Index | — |
Countries
Korea, Republic of
Contacts
Korea University Anam Hospital