Subtalar Joint Distraction Arthrodesis Utilizing a Titanium Truss: A Case Series |
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| Institution: | 1. Resident, Division of Foot and Ankle Surgery, Western Pennsylvania Hospital, Allegheny Health Network, Pittsburgh, PA;2. Faculty, Division of Foot and Ankle Surgery, Western Pennsylvania Hospital, Allegheny Health Network, Pittsburgh, PA;1. Resident Physician, Department of Orthopedic Surgery, University of Alabama, Birmingham, AL;2. Medical Student, School of Medicine, University of Alabama, Birmingham, AL;3. Associate Professor, Department of Pediatric Orthopedic Surgery, Children''s of Alabama, Birmingham, AL;1. Resident, Westside Regional Medical Center, Plantation, FL;2. Board Member, Foot and Ankle Research Foundation of South Florida, Inc., Plantation, FL;3. Doctor of Medical Dentistry Candidate, Nova Southeastern College of Dental Medicine, Plantation, FL;4. Residency Director, Westside Regional Medical Center, Plantation, FL;5. Director of the Statistical Consulting Center, Nova Southeastern University, Fort Lauderdale, FL;1. Surgeon, AO Research Institute Davos, Davos, Switzerland;2. Assistant Professor, Department of Orthopedics and Rehabilitation, University of Florida, Gainesville, FL;3. Surgeon, Department of Trauma, Hand and Reconstructive Surgery, University Hospital Jena, Jena, Germany;4. Surgeon, Department of Foot and Ankle Surgery, Catholic Clinic Mainz, Mainz, Germany;5. Professor, AO Research Institute Davos, Davos, Switzerland;6. Surgeon, Private Docent, Department of Trauma, Hand and Reconstructive Surgery, University Hospital Jena, Jena, Germany;7. Surgeon, Professor, Department of Orthopedic Trauma, University of Aachen Medical Center, Aachen, Germany;8. Department of Trauma, Hand and Reconstructive Surgery, University Hospital Jena, Jena, Germany;1. Surgeon, White Memorial Medical Center, Los Angeles, CA;2. Surgeon, University of Southern California Keck School of Medicine, Los Angeles, CA;3. Associate Professor and Surgeon, University of Southern California Keck School of Medicine, Los Angeles, CA;1. Resident, Postgraduate Year 3, Division of Foot & Ankle Surgery, West Penn Hospital, Allegheny Health Network, Pittsburgh, PA;2. Faculty, Division of Foot & Ankle Surgery, West Penn Hospital, Allegheny Health Network, Pittsburgh, PA |
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| Abstract: | Subtalar joint distraction arthrodesis has been recommended for the treatment of conditions such as nonunion or malunion of subtalar joint arthrodesis posttraumatic arthritis. Both conditions are difficult to treat, because the deformities created in the frontal and sagittal planes of these conditions are complex. If these malalignments are not addressed, ankle joint instability and wear occur over time. In general, either autograft or allograft bone has been used to perform distraction arthrodesis of the subtalar joint. Although studies have shown successful use, there have been complications. Autografts have resulted in donor site morbidity and limitations on graft size, and allografts have shown high nonunion rates. Both autografts and allografts have shown graft collapse over time. Recent literature has discussed the use of tantalum technology to span large defects in bone healing. Studies have shown that tantalum provides superior strength and bone incorporation compared with autografts and allografts. This case series presents 2 cases in which tantalum truss technology was used for distraction arthrodesis. Although this series is limited in patient numbers, both cases show effective graft incorporation with no loss in height over time and earlier return to activity compared with previous studies that used autograft and allograft wedges. |
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