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Optimization of walking ability of children with cerebral palsy
Jon R Davids1, Sylvia Ounpuu, Peter A DeLuca
1Motion Analysis Laboratory, Shriners Hospitals for Children, Greenville, South Carolina, USA.
Insights
Optimizing walking in children with cerebral palsy (CP) involves a biomechanical approach using a diagnostic matrix. This method integrates clinical and technical data to guide surgical interventions for improved ambulatory function.
Area of Science:
- Orthopaedics
- Biomechanics
- Pediatric Rehabilitation
Background:
- Optimizing ambulatory function in children with cerebral palsy (CP) relies on understanding gait biomechanics and muscle-tendon physiology.
- A quantitative, biomechanically based approach is used for clinical decision-making, research, and outcome assessment in CP.
- Despite acceptance, controversies exist regarding the cost, accuracy, and repeatability of this approach.
Purpose of the Study:
- To present a paradigm for orthopaedic clinical decision-making to optimize ambulatory abilities in children with CP.
- To detail the use of a diagnostic matrix integrating multiple data sources for intervention selection.
- To examine indications and controversies for specific surgical interventions in CP.
Main Methods:
- Utilizing a diagnostic matrix incorporating five data sources: clinical history, physical examination, diagnostic imaging, quantitative gait analysis, and examination under anesthesia.
- Interpretation of data by integrated clinical and technical teams from motion analysis laboratories.
- Determining certainty of intervention selection based on data consistency within the matrix.
Main Results:
- The diagnostic matrix framework facilitates the identification of indications for musculoskeletal surgical interventions.
- Data consistency within the matrix increases the certainty of intervention selection.
- Discrepancies require collaborative input from clinical and technical teams for resolution.
Conclusions:
- A biomechanically informed diagnostic matrix is crucial for optimizing gait in children with CP.
- This approach guides the selection of surgical interventions, including iliopsoas recession, femoral rotational osteotomy, and others.
- Further examination of indications and controversies for specific surgical procedures is warranted.
Abstract:
A new paradigm based on an appreciation of the biomechanics of normal and pathologic gait and a better understanding of muscle-tendon unit anatomy and physiology has emerged for orthopaedic clinical decision making to optimize the ambulatory abilities of children with cerebral palsy. This quantitative, biomechanically based approach has been accepted as a research and teaching tool and as an instrument of outcome assessment; however, controversy remains concerning the expense of using this approach and about its accuracy and repeatability. This paradigm is used within a diagnostic matrix consisting of five data sources. Members of the clinical and technical teams from the motion analysis laboratory interpret data from the clinical history, physical examination, diagnostic imaging, quantitative gait analysis, and examination under anesthesia. The certainty of intervention selection is proportional to the consistency of the data within the diagnostic matrix. When inconsistencies in the data exist, input from both the clinical and technical teams is needed to resolve discrepancies. Working within the framework of the diagnostic matrix, it is possible to identify the indications used in the selection and recommendation of musculoskeletal surgical interventions to optimize gait in children with cerebral palsy. It is important to examine indications and controversies for surgical intervention related to iliopsoas recession, femoral rotational osteotomy, medial hamstring lengthening, rectus femoris transfer, and gastrocnemius recession.
