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  • Title: Painful Nonunion in Patients With Clinically Plantigrade Diabetes-Associated Charcot Foot Arthropathy.
    Author: Pinzur MS, Cho E, Schiff AP, Hamid K.
    Journal: Foot Ankle Int; 2024 Sep; 45(9):925-930. PubMed ID: 38859676.
    Abstract:
    BACKGROUND: It has been assumed that diabetic patients with peripheral neuropathy should not have pain associated with Charcot foot arthropathy. METHODS: During a 19-year period, 14 diabetic patients (15 feet) presented for treatment with pain following resolution of the acute phases of midfoot Charcot foot arthropathy. All were clinically plantigrade with plain radiographic evidence of bony union without deformity. Pain did not resolve with the use of appropriate therapeutic footwear. When used, CT scans uniformly demonstrated nonunion. RESULTS: All 14 patients had resolution of their presenting pain following successful arthrodesis. Nonunion was confirmed at surgery in all of the patients. One patient developed a fatal pulmonary embolus following removal of the external fixator. Two required late exostectomy for bony overgrowth at the surgical site of fusion for nonunion. CONCLUSION: This small series of patients would suggest that nonunion of the Charcot neuroarthropathy process was responsible for complaints of pain not able to be managed with therapeutic footwear. Successful arthrodesis resolved the pain. CT imaging may help identify a treatable source of pain in this population.
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