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Segmental spinal dysgenesis. A disorder different from spinal agenesis
T Faciszewski1, R B Winter, J E Lonstein
1Minnesota Spine Center, Minneapolis 55454-1419, USA.
The Journal of Bone and Joint Surgery. American Volume
|April 1, 1995
Summary
Segmental spinal dysgenesis, often mistaken for lumbar agenesis, requires early surgical fusion. This treatment effectively stabilizes the spine, arrests kyphosis, and improves neurological function in affected children.
Area of Science:
- Orthopedics
- Pediatric Spine Surgery
- Developmental Biology
Background:
- Segmental spinal dysgenesis (SSD) is a rare congenital disorder.
- SSD is frequently misdiagnosed as lumbar or lumbosacral agenesis.
- SSD can lead to significant neurological deficits and progressive spinal deformity.
Purpose of the Study:
- To review the clinical presentation, treatment strategies, and outcomes for patients with segmental spinal dysgenesis.
- To evaluate the efficacy of surgical interventions for SSD.
- To establish optimal management guidelines for SSD.
Main Methods:
- Retrospective review of 17 patients diagnosed with segmental spinal dysgenesis.
- Analysis of clinical and roentgenographic findings, surgical procedures, and patient outcomes.
- Assessment of neurological status, spinal fusion, and kyphosis progression.
Main Results:
- Eight out of 17 patients presented with neurological deficits, including neurogenic bladder and lower extremity weakness.
- An average of 2.6 procedures was required to achieve solid spinal fusion.
- Decompression surgery in 10 patients resulted in neurological improvement in two.
- All patients achieved solid fusion, arrested kyphosis, and stabilized neurological function.
Conclusions:
- Early anterior and posterior arthrodesis is recommended for segmental spinal dysgenesis.
- Prompt surgical intervention can prevent or mitigate neurological deficits associated with progressive kyphosis.
- Timely management is crucial for optimal outcomes in patients with SSD.