None listed
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: [Prospective Study] 1. Adults aged 19 to 90 years at the time of enrollment 2. Patients undergoing surgery for spondylolisthesis, foraminal stenosis, spinal canal stenosis, recurrent herniated intervertebral disc after open surgery, or degenerative disc disease 3. Patients who are willing and able to participate in the study, comply with the treatment and study procedures, and attend all scheduled follow-up visits 4. Patients who have received a full explanation of the purpose, methods, and potential benefits of the study and have voluntarily provided written informed consent [Retrospective Study] 1. Patients who underwent oblique lumbar interbody fusion (OLIF) using a PEEK cage at our institution between January 1, 2022, and December 31, 2023 2. Patients with available postoperative imaging and medical records with a minimum follow-up period of 6 months 3. Patients whose medical records indicate no significant issues with communication or treatment compliance
Exclusion criteria
Exclusion criteria: [Prospective Study] 1. Patients 18 years of age or younger, or 91 years of age or older 2. Patients undergoing surgery for spinal infection or spinal tumors 3. Patients with a history of lumbar spinal fusion or intervertebral disc replacement 4. Patients with bleeding disorders 5. Patients who are uncooperative, have abnormal mental function, or alcohol dependence, and are therefore unable to continue postoperative treatment and follow-up 6. Patients with clinically significant findings that, in the opinion of the principal investigator or sub-investigator, render the patient inappropriate for participation in this study [Retrospective Study] 1. Patients who were 18 years of age or younger, or 91 years of age or older, at the time of surgery 2. Patients with severe cardiac, pulmonary, or hepatic diseases that made perioperative or postoperative outcome assessment difficult 3. Patients who underwent surgery for non-degenerative causes, such as lumbar infection or tumors 4. Patients with incomplete medical records or imaging data, preventing reliable assessment of subsidence or spinal fusion
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Bone Fusion | — |
Secondary
| Measure | Time frame |
|---|---|
| Visual Analogue Scale; VAS;Oswestry Disability Index; ODI;EuroQol-5 Dimension; EQ-5D;Bone Fusion;Cage subsidence | — |
Countries
Korea, Republic of
Contacts
Yonsei University Health System, Gangnam Severance Hospital