Reliability of radiographic measures in infants with clubfoot treated with the Ponseti method

Journal of Children's Orthopaedics
Catherine C ZimmermanMatthew A Halanski

Abstract

The aim of this study was two-fold: (1) to determine if radiographic measures can be reliably made in infants being treated with the Ponseti method and (2) to document radiographic changes before and after Achilles tenotomy. A retrospective radiographic and chart review was performed on children with clubfoot treated by the Ponseti method at a single institution over a 10-year period. Five independent reviewers measured a series of angles from a lateral forced dorsiflexion radiograph taken prior to and following Achilles tenotomy. These measures were taken in triplicate to determine the intra- and inter-reader reliability of dorsiflexion, tibio-calcaneal, talo-calcaneal, and talo-first metatarsal angles. Thirty-six subjects (56 feet) were treated with the Ponseti method and met the inclusion criteria. The median (range) age of patients at the time of tenotomy was 52 (34-147) days. The intra-reader reliability [intra-rater correlation coefficient (ICC)] for each of the measured angles pre- and post-tenotomy ranged from 0.933 to 0.995 and 0.864 to 0.995, respectively. Similarly, the inter-reader reliabilities (ICC) ranged from 0.727 for the pre-tenotomy (talo-calcaneal) to 0.950 for the post-tenotomy (talo-first metatarsal) angle...Continue Reading

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Citations

Oct 4, 2016·Current Reviews in Musculoskeletal Medicine·Ryan M O'Shea, Coleen S Sabatini
Jan 19, 2017·The Journal of Bone and Joint Surgery. American Volume·B Stephens RichardsChan-Hee Jo
Jul 28, 2015·Journal of Pediatric Orthopedics·Julio J JaureguiJohn E Herzenberg
Dec 24, 2019·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Haruka GudaKazuomi Sugamoto

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