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The Traffic Light Protocol: Preventing the 90° 'Point of No Return' Through Risk-Stratified Spinal Surveillance in
Michał Latalski1, Anna Danielewicz1, Martin Repko2,3
1Children's Orthopaedic Department, Medical University of Lublin, 20-093 Lublin, Poland.
Insights
A new "Traffic Light" protocol stratifies children with cerebral palsy (CP) by Gross Motor Function Classification System (GMFCS) levels for risk-based spinal surveillance, enabling proactive management of neuromuscular scoliosis.
Area of Science:
- Pediatric Orthopedics
- Neuromuscular Disorders
- Spinal Deformity Management
Background:
- Cerebral palsy (CP) is a primary cause of childhood physical disability.
- Current spinal surveillance for CP is inconsistent, leading to delayed treatment of neuromuscular scoliosis.
- Established hip surveillance contrasts with the need for standardized spinal monitoring.
Purpose of the Study:
- To establish an international consensus on a risk-based spinal surveillance protocol for children with CP.
- To define standards for the timing, frequency, and radiographic assessment of spinal deformities.
- To improve proactive management of neuromuscular scoliosis in pediatric populations.
Main Methods:
- A three-round modified Delphi process involving 15 international pediatric spine surgeons.
- Adherence to CREDES standards for consensus development.
- Consensus thresholds defined as excellent (≥80%) and good (≥73%) agreement.
Main Results:
- Excellent consensus (93%) achieved on a 'Traffic Light' system based on Gross Motor Function Classification System (GMFCS) levels.
- Protocol stratifies patients into Green (clinical surveillance), Amber (annual radiographs, ages 3-8), and Red (six-monthly radiographs, ages 3-5) groups.
- 100% consensus on mandatory sitting radiographs for non-ambulatory patients; critical referral triggers identified (Cobb angle >20°, pelvic obliquity ≥5°, progression ≥1°/month).
Conclusions:
- The 'Traffic Light' protocol facilitates early intervention by identifying the optimal 'window of opportunity'.
- Proactive management aims to prevent progression to severe scoliosis (e.g., 90°), reducing surgical risks.
- Implementation can decrease surgical complications and delays in specialized care for children with CP.
Abstract:
Background: Cerebral palsy (CP) is the leading cause of permanent physical disability in children. Although hip surveillance is a global standard, spinal surveillance remains inconsistent, often leading to reactive rather than proactive management of neuromuscular scoliosis. This study aims to establish an international consensus on a risk-based spinal surveillance protocol. Methods: A three-round modified Delphi process was conducted in 2024 with 15 international pediatric spine surgeons, identified through purposive sampling. The process adhered to CREDES standards and focused on establishing standards for timing, frequency, and radiographic surveillance. Consensus thresholds were defined a priori as excellent (≥80%) and good (≥73%) agreement. Results: The panel reached excellent consensus (93%) on a "Traffic Light" system based on the Gross Motor Function Classification System (GMFCS) levels. Green Group (Walkers, GMFCS I-II): Clinical surveillance. Amber Group (Poor Walkers, GMFCS III, and asymmetric hemiplegic GMFCS I-II): Annual radiographs starting at ages 3-8. Red Group (Non-Walkers, GMFCS IV-V): Six-monthly radiographs starting at ages 3-5. There was 100% consensus on the mandatory use of sitting radiographs for non-ambulatory patients to prevent masking true pelvic decompensation. Critical referral triggers were identified as a Cobb angle >20°, pelvic obliquity ≥5°, or a progression rate ≥1° per month. Conclusions: The "Traffic Light" protocol helps identify the "window of opportunity" for intervention before reaching the 90° "point of no return," where surgical risks increase nonlinearly. This proactive approach aims to reduce surgical complications and systemic delays in specialized care.
