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Spinous process segmental instrumentation for scoliosis
J E Herzenberg1, R W Coonrad, D B Ross
1Section of Orthopaedic Surgery, University of Michigan, Ann Arbor.
Journal of Spinal Disorders
|January 1, 1988
Summary
Spinous process segmental instrumentation (SPSI) offers scoliosis fusion stability without neurologic risks. This spinal fusion technique achieved good correction and stability in 75 patients.
Area of Science:
- Orthopedics
- Spinal Surgery
- Biomedical Engineering
Background:
- Traditional spinal fusion methods carry neurologic risks.
- Spinous process segmental instrumentation (SPSI) was developed to mitigate these risks.
- Existing techniques like Harrington rods and Luque rods have limitations.
Purpose of the Study:
- To evaluate the efficacy and safety of Spinous Process Segmental Instrumentation (SPSI) for spinal fusion in scoliosis patients.
- To compare SPSI outcomes with established spinal instrumentation methods.
- To assess the complication profile of SPSI.
Main Methods:
- SPSI was utilized in a cohort of 75 scoliosis patients.
- Patient diagnoses included idiopathic, neurogenic, and congenital scoliosis.
- Outcomes were assessed for stability, correction, and complications.
Main Results:
- No deep infections, pseudarthroses, or neurologic complications were reported.
- Two patients experienced hook dislodgement, resulting in a 10-degree loss of correction.
- SPSI demonstrated effective correction and stability.
Conclusions:
- SPSI provides effective spinal fusion for scoliosis correction.
- It achieves outcomes comparable to Harrington and Luque rod instrumentation.
- SPSI offers a safer alternative by avoiding the neurologic risks associated with sublaminar wiring.