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First metatarsocuneiform arthrodesis: technical considerations and technique modification
1Foot and Ankle Clinic of Montana, 926 13th Ave. S., Great Falls, MT 59405, USA.
Summary
Triplane malalignment of the first ray often causes instability at the first metatarsocuneiform joint (MCJ). Anatomical arthrodesis leverages the MCJ
Area of Science:
- Orthopedic Surgery
- Foot and Ankle Reconstruction
- Biomechanical Analysis
Background:
- Triplane malalignment of the first ray is a common cause of first metatarsocuneiform joint (MCJ) instability.
- The unique concave-convex topography of the MCJ allows for first metatarsal translation in multiple planes.
Purpose of the Study:
- To describe a novel "anatomical arthrodesis" technique for the first MCJ.
- To utilize the joint's natural topography for accurate repositioning of the first metatarsal.
Main Methods:
- A step-by-step surgical procedure for anatomical arthrodesis of the first MCJ is detailed.
- Emphasis is placed on identifying and managing challenging aspects of the technique.
Main Results:
- The described method aims to effectively address first ray hypermobility and multiplanar malalignment.
- Successful application of the technique can restore optimal spatial positioning of the first metatarsal.
Conclusions:
- Anatomical arthrodesis offers an effective solution for first metatarsocuneiform joint instability.
- This technique leverages the joint's inherent topography for precise surgical correction.