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Ponseti Treatment of Rigid Residual Deformity in Congenital Clubfoot After Walking Age

Dragoni, Massimiliano MD; Farsetti, Pasquale MD; Vena, Giuseppe MD; Bellini, Diego MD; Maglione, Pierluigi MD; Ippolito, Ernesto MD

Journal of Bone & Joint Surgery - American Volume: 19 October 2016 - Volume 98 - Issue 20 - p 1706–1712
doi: 10.2106/JBJS.16.00053
Scientific Articles

Background: There is no established treatment for rigid residual deformity of congenital clubfoot (CCF) after walking age. Soft-tissue procedures, osseous procedures, and external fixation have been performed with unpredictable results. We applied the Ponseti method to patients with this condition in order to improve the outcomes of treatment.

Methods: We retrospectively reviewed the cases of 44 patients (68 feet) with congenital clubfoot whose mean age (and standard deviation) at treatment was 4.8 ± 1.6 years. All patients had been previously treated in other institutions by various conservative and surgical protocols. Residual deformity was evaluated using the International Clubfoot Study Group Score (ICFSGS), and stiffness was rated by the number of casts needed for deformity correction. Ponseti manipulation and cast application was performed. Equinus was usually treated with percutaneous heel-cord surgery, while the cavus deformity was treated with percutaneous fasciotomy when needed. Tibialis anterior tendon transfer (TATT) was performed in patients over 3 years old. At the time of follow-up, the results were evaluated using the ICFSGS.

Results: Before treatment, 12 feet were graded as fair and 56, as poor. Two to 4 casts were applied, with each cast worn for 4 weeks. Stiffness was moderate (2 casts) in 23 feet, severe (3 casts) in 30 feet, and very severe (4 casts) in 15 feet. Percutaneous heel-cord surgery was performed in 28 feet; open posterior release, in 5 feet; plantar fasciotomy, in 30 feet; and TATT, in 60 feet. The mean length of follow-up was 4.9 ± 1.8 years. Eight feet had an excellent result; 49 feet, a good result; and 11 feet, a fair result. No patient had pain. All of the feet showed significant improvement.

Conclusions: Ponseti treatment with TATT, which was performed in 88% of the feet, was effective, and satisfactory results were achieved in 84% of the feet. At the time of follow-up, no patient showed an abnormal gait, all feet were plantigrade and flexible, but 2 feet (2.9%) had relapsed.

Level of Evidence: Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.

1Departments of Clinical Science and Translational Medicine (M.D. and G.V.) and Orthopaedics and Traumatology (P.F., D.B., and E.I.), University of Rome “Tor Vergata,” Rome, Italy

2Orthopaedic Unit, Department of Surgery and Transplant Center, Bambino Gesù Children’s Hospital, Fiumicino, Italy

E-mail address for E. Ippolito:

Copyright 2016 by The Journal of Bone and Joint Surgery, Incorporated
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