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Outcomes of Tendo-Achilles lengthening and weight-bearing total contact cast for management of early midfoot charcot neuroarthropathy

journal contribution
posted on 2023-07-26, 15:21 authored by Madhu Tiruveedhula, Anna Graham, Ankur Thapar, Shiva Dindyal, Michael Mulcahy
Aim of study: To report outcomes of tendo-Achilles lengthening (TAL) followed by weight-bearing total contact cast (TCC) in the out-patient setting for patients presented with midfoot Charcot neuroarthropathy (CN) and, develop a new classification system for midfoot CN based on this experience. Patient and methods: Published evidence suggests that tight Achilles-gastrocnemius-soleus complex is the deforming force in the initiation and progression of midfoot CN and TAL has shown to improve the range of ankle dorsiflexion and reduction of midfoot plantar pressures. We utilised this technique in the out-patient setting followed by weight-bearing TCC for all new patients who presented with a diagnosis of midfoot CN from February 2018.We report their outcomes after a 12 months follow-up and propose a new classification system based on the clinical and radiographic parameters. Results: TAL followed by weight-bearing TCC was performed in 33 feet. In 30 feet, the disease progression either stopped or receded to a lower stage on the new classification system. The procedure was well tolerated by patients in an out-patient setting and there were no reported complications such as wound healing, complete transaction of tendon or deep vein thrombosis. At 12 months follow-up, 30 of 33 pts returned to their pre-procedure level of mobilisation with their usual walking aids or customised shoes. The inter-observer agreement was k = 0.86 for read 1 and k = 0.96 for read 2; and intra-observer agreement ranged from 0.93 to 1.00 for the double read indicating excellent inter-observer and intra-observer agreement. Conclusion: TAL followed by weight-bearing TCC is a safe and well tolerated procedure when performed in an out-patient setting. The Charcot disease of the midfoot slowed in the early stages of midfoot CN and in some cases, receded. The new classification system is easy to use, reliable, reproducible and sensitive enough to detect changes in the disease progression



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Journal of Clinical Orthopaedics and Trauma






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Faculty of Health, Education, Medicine & Social Care

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