Interspinous Process Spacers
| CPT |
Technique |
| Indications |
Complications |
| Contraindications |
Follow-up Care |
| Alternatives |
Outcomes |
| Pre-op Planning / Special Considerations |
Review References |
synonyms:
CPT
Anatomy
Indications
- Spinal Stenosis with and without degenerative spondylolisthesis
- Chronic discogenic low back pain
Contraindications
- Lumbar instability
- Pathologic fracture
- Osteoporosis
- Obesity
- >25% spondylolisthesis
- Scoliosis
- Ankylosis of the involved segment
Alternatives
- Epidural steroid injection
- NSAIDs, physical therapy
Planning / Special Considerations
Technique
- Pre-operative antibiotics, +/- regional block
- General endotracheal anesthesia
- position. All bony prominences well padded.
- Examination under anesthesia.
- Prep and drape in standard sterile fashion.
- Irrigate.
- Close in layers.
Complications
- Implant disodgement
- Spinous process fracture
- Increased pain
- Medical complications
Follow-up care
Outcomes
- Zucherman JF, Spine 2005;30:1351
Review References
- Kim DH, JAAOS 2007;15:200
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