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Failure in Lumbar Spinal Fusion and Current Management Modalities
Alex Cruz1, Alexander E Ropper2, David S Xu2
1Department of Orthopaedic Surgery, Baylor College of Medicine, Houston, Texas.
Seminars in Plastic Surgery
|May 17, 2021
Summary
Successful lumbar spinal fusion depends on patient health and surgical details. Addressing these factors optimizes outcomes for revision surgery after pseudoarthrosis diagnosis.
Area of Science:
- Orthopedics
- Neurosurgery
- Spinal Surgery
Background:
- Lumbar spinal fusion is a frequent surgical procedure for spinal stabilization.
- The incidence of spinal fusion surgeries is rising globally.
- Achieving successful spinal fusion (arthrodesis) involves numerous patient and surgical considerations.
Purpose of the Study:
- To review the critical factors influencing successful lumbar spinal fusion.
- To outline diagnostic methods for pseudoarthrosis.
- To guide management strategies for revision spinal fusion.
Main Methods:
- Review of systemic patient factors (comorbidities, smoking).
- Analysis of surgical site factors (graft material, fusion levels, site preparation, construct biomechanics).
- Discussion of diagnostic imaging (radiographs, CT) for pseudoarthrosis.
Main Results:
- Fusion success rates range widely (65-100%) based on multiple factors.
- Patient comorbidities like rheumatoid arthritis and osteoporosis impact fusion success.
- Surgical technique and construct design are crucial for achieving solid fusion.
Conclusions:
- Optimizing patient factors and surgical planning is essential for successful revision arthrodesis.
- Pseudoarthrosis diagnosis requires comprehensive imaging evaluation.
- Minimizing surgical risk while maximizing fusion success is the goal in revision cases.
