Pain and overcorrection in clubfeet treated by Ponseti method

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Abstract

Long-term outcomes of Ponseti casting have consistently shown improvement over soft-tissue release. The incidence of foot pain and overcorrection in clubfeet treated by Ponseti method has not been reported. We studied the rate of overcorrection and its association with pain in clubfeet treated with Ponseti casting. A retrospective review of clubfoot patients treated with Ponseti method with at least 8 years of follow-up was carried out. Patient charts were reviewed for demographic data, recurrence, type and number of procedures, and patient-reported complaints of foot pain. Pedobarographs were used to document overcorrection. Eighty-one patients comprising 115 clubfeet were included in the study. There were 14 (12.2%) feet with valgus overcorrection and 101 feet that had achieved a normal, plantigrade position. Overall, 50% of patients with overcorrected clubfeet and 32% with corrected, plantigrade clubfeet experienced pain. Overcorrection was found to be predictive of pain complaints (P<0.001). Hence, valgus overcorrection occurs after Ponseti casting, with an incidence of 12%.

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