🔍 Key Findings
- Spinal stabilization with 3D-printed patient-specific drill guides (3D-PSGs) was safe, with no immediate perioperative complications reported.
- 84% of pedicle screws were optimally placed, and only 0.5% breached the spinal canal, reflecting high placement accuracy.
- 80% of dogs experienced no neurologic deterioration postoperatively, indicating reliable short-term safety.
- 3D-PSGs were accurate and reproducible, even across multiple institutions and surgeons.
- Mid-term outcomes were favorable: all dogs were ambulatory, and 90% had static or improved neurologic signs.
- 7 of 10 mid-term follow-ups showed abnormal gait, though owners rated lifestyle ≥3/5, suggesting acceptable function.
- 3D-printed guides enabled precise pedicle screw placement in deformed vertebrae, expanding options in small breeds.
- One dog suffered a T4 spinous process fracture due to overextension of PMMA cement, emphasizing the need for cement placement caution.
