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Utilization and efficacy of computational gait analysis for hamstring lengthening surgery.
Bruce A MacWilliams1, Alan K Stotts1, Kristen L Carroll1
1Motion Analysis Laboratory, Shriners Hospitals for Children, 1275 Fairfax Rd., Salt Lake City, UT 84103, USA; Department of Orthopaedic Surgery, University of Utah, Salt Lake City, UT, USA.
Gait & Posture
|August 10, 2016
Summary
Physicians often disregarded gait analysis recommendations for hamstring lengthening surgery. Following these recommendations significantly increased the likelihood of positive patient outcomes.
Area of Science:
- Orthopedics
- Biomechanics
- Computational Analysis
Background:
- Hamstring lengthening is a common surgical procedure for various orthopedic conditions.
- Physician decision-making regarding hamstring lengthening can be influenced by various factors, including gait analysis.
- The utilization and impact of computational gait analysis recommendations in surgical planning for hamstring lengthening require further investigation.
Purpose of the Study:
- To retrospectively analyze the utilization of computational gait analysis recommendations by physicians for hamstring lengthening procedures.
- To evaluate the effect of adhering to gait analysis recommendations on patient outcomes after hamstring lengthening surgery.
Main Methods:
- Retrospective analysis of 131 cases from a single lab over 12 years.
- Identification of subjects based on surgical consideration, gait analysis recommendation, or procedure performance.
- Subset analysis of cases with pre/post-operative data and bilateral diagnosis to assess recommendation efficacy.
Main Results:
- Initial agreement between planned and recommended procedures was only 41%.
- Gait analysis altered initial surgical plans in 54% of cases, and surgeons followed recommendations in 77% when initial plans were not supported.
- Patients undergoing hamstring lengthening were 3.6 times more likely to have positive outcomes when surgeons followed or agreed with gait recommendations.
Conclusions:
- There is a notable discrepancy between initial surgical plans and gait analysis recommendations for hamstring lengthening.
- Adherence to computational gait analysis recommendations by surgeons is associated with significantly improved patient outcomes.
- Integrating gait analysis into surgical decision-making can optimize treatment strategies and enhance patient recovery for hamstring lengthening.

