Management of Clubfoot Deformity in Amyoplasia
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Abstract:
Forty-one clubfeet in 22 patients with amyoplasia were studied retrospectively at a mean duration after surgery of 118 months (range, 45-253). The clubfeet were managed by a regimen including initial stretching casts, posteromedial release, and postoperative splinting at night. The mean age at the time of surgery was 7.3 months. Correction of deformity without recurrence was achieved in 11 (27%). Recurrent deformity was corrected by serial casting in eight feet and required secondary operative procedures in 20 feet. In the feet without recurrence of deformity, the duration of splinting at night after surgery was significantly longer than in those with recurrence(p < 0.05). At follow-up, 39 (95%) feet were plantigrade and were considered satisfactory. Our findings suggest that most clubfeet in amyoplasia can be effectively corrected by posteromedial release and that the recurrence of deformity can be reduced by splinting at night and often corrected by serial cast treatment.Keywords:
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Clubfoot associated with arthrogryposis has been traditionally considered very resistant to manipulation and casting, and therefore has required surgical correction. The purpose of this study was to evaluate the results of the Ponseti method of clubfoot casting in this patient population. We reviewed the records of patients with clubfoot associated with arthrogryposis consecutively treated at our respective institutions from January 1992 to December 2004. All patients were treated by serial manipulations and casting following the principles of the Ponseti method. Main outcome measures included initial correction of the deformity, relapses and the need for surgical releases or any other surgeries. Average age at last follow up was 4.6 years. There were 16 patients, all with bilateral deformities (32 clubfeet). there were 11 males and 5 females. Nine patients had both upper and lower extremity involvement. Seven patients had previous treatment elsewhere and one patient had an Achilles tenotomy. Initial correction was obtained in all but 1 patient. Average number of casts required for correction was 7 (range: 5 to 12). Average post-tenotomy dorsiflexion was 5 degrees. One patient required a posterior-medial release (PMR) for insufficient initial correction. Four cases required subsequent surgery for relapses (1 bilateral PMR with a repeat left PMR; 2 posterior releases (PR), 1 PR and anterior tibialis transfer (ATT), and 1 ATT). No talectomies were required. This study demonstrates that the Ponseti method is very effective for the correction of patients with clubfoot associated to arthrogryposis. Although this deformity is more rigid than in idiopathic clubfoot, many cases can be corrected when started in the first few weeks after birth.
Ponseti Method
Tenotomy
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Background: The Ponseti method effectively treats idiopathic clubfoot, but its effectiveness in treating the stiffer clubfoot associated with arthrogryposis is less clear. The purpose of this study was to assess the comparative effectiveness of the Ponseti method in 5-year-old children with either idiopathic clubfoot or clubfoot due to arthrogryposis. Methods: The outcomes of the Ponseti method were retrospectively evaluated in children with idiopathic clubfoot and clubfoot associated with arthrogryposis. The children with clubfoot were seen at our hospital between 2012 and 2019 and were 4.0 to 6.9 years old at the time of their evaluation. Outcomes of the 2 groups of children with clubfoot were assessed using passive range of motion, foot pressure analysis, the Gross Motor Function Measure Dimension-D, and parent report using the Pediatric Outcomes Data Collection Instrument. These results were also compared with the same measures from a group of typically developing children. Surgical and bracing history was also recorded. Results: A total of 117 children were included (89 idiopathic clubfoot and 28 associated with arthrogryposis) with an average age of 4.8±0.8 years. The historical gait analyses of 72 typically developing children were used as a control, with an average age of 5.2±0.8 years. Significant residual equinovarus was seen in both children with idiopathic clubfoot and associated with arthrogryposis according to passive range of motion and foot pressure analysis when compared with normative data. Children with arthrogryposis demonstrated limited transfer and basic mobility, sports functioning, and global functioning while children with idiopathic clubfoot were significantly different from their typically developing peers in only transfer and basic mobility. Conclusions: Although children with idiopathic clubfoot continue with some level of residual deformity, the Ponseti method is effective in creating a pain-free, highly functional foot. In children with clubfoot associated with arthrogryposis, the Ponseti method is successful in creating a braceable foot that can delay the need for invasive surgical intervention. Level of Evidence: Level III, Therapeutic Studies—Investigating the Results of Treatment.
Ponseti Method
Arthrogryposis multiplex congenita
Congenital talipes equinovarus
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Introduction. Ponseti method is a widespread treatment for clubfoot in children with arthrogryposis. Closed subcutaneous achillotomy in these patients could not completely rectify the equinus deformity due to tissue rigidity which often leads to reconsideration of the tenotomy principles.
Aim. This study aimed to formulate the anticipating criteria to assess the effectiveness of achillotomy in order to develop a different achillotomy approach for children with arthrogryposis.
Materials and methods. This study retrospectively analyzed closed subcutaneous achillotomy in 28 patients (56 feet) with arthrogryposis. The mean age of the patients was 5.4 months (range 2–8 months). The children were subdivided into two groups according to the residual equinus deformity after the completion of Ponseti serial casting. All patients were physically and radiographically examined.
Results and discussion. The first group included 12 patients (24 feet), which achieved foot neutral position or dorsiflexion ≥5° after achillotomy. The second group consisted of 16 patients (32 feet) with residual equinus after achillotomy who required surgery. X-ray images showed that the patients in the second group had significantly wider tibiocalcaneal angle and smaller talocalcaneal angle in lateral view (р < 0.01). The correction values of the equinus deformity after achillotomy in the children with arthrogryposis were greatly limited: 27° (20°–30°) and 19° (10°–30°) in the first and second groups, respectively.
Conclusion. Closed subcutaneous achillotomy for effective equinus elimination during clubfoot treatment by Ponseti method should be performed only after complete correction at the level of tarsal joints. X-ray examination of the feet is recommended for the children with arthrogryposis in order to evaluate the talocalcaneal divergence and heel position more comprehensively. Furthermore, the values of tibiocalcaneal and talocalcaneal angles in lateral view prior to achillotomy are essential prognostic factors of its effectiveness. Moreover, the severity of equinus contracture should be considered prior to achillotomy. Achilles tenotomy is inappropriate if equinus deformity exceeds 30°. In such cases, open surgery should be considered.
Ponseti Method
Tenotomy
Arthrogryposis multiplex congenita
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Background. Clubfoot is the most common deformity in arthrogryposis and is characterized by a high degree of rigidity and a tendency to relapse. At present, no consensus exists on the issue of treatment of this pathology. The aim of this study was to demonstrate the possibilities of Ponseti method for the treatment of clubfoot in the younger children with arthrogryposis. Material and methods. The study was based on an analysis of treatment outcomes in 64 children (124 feet) under 3 years. 50 patients (78%) had a congenital multiple arthrogryposis, 14 children (22%) had a distal form of the disease. All the children underwent conservative treatment using Ponseti method. Results. After phased plastering by Ponseti method, the children with congenital multiple arthrogryposis aged under 1 year demonstrated correction of deformity components in 25 (48%) feet and the children from 1 to 3 years in 4 (8.7%) feet. Phased plastering in the children under 1 year with the distal form of the disease resulted in the correction in all 7 (100%) feet. In the patients with a similar form of the disease aged from 1 to 3 years, correction was achieved in 3 (23%) feet. In the cases of incomplete correction of deformity elements, when the possibilities of phased plastering were exhausted, different surgical interventions were performed. However, in neither case the surgery to remove talus was required. Conclusion. Ponseti method is most effective for the treatment of clubfoot in the children of the first year. Application of this method allows for elimination of clubfoot or significant reduction of the volume of subsequent surgery.
Ponseti Method
Conservative Treatment
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Talipes equinovarus or clubfoot is a congenital deformity of the foot with bone, muscle, and tendon involvement. It is one of the most frequent foot malformations in pediatric orthopedics. Although generally idiopathic, it may have a syndromic cause and be associated with musculoskeletal, neurological, or connective tissue conditions. The treatment of choice in idiopathic clubfoot is the Ponseti method based on manipulation and fixation with serial casts that seek progressive correction of the deformity. The Ponseti method effectiveness has been demonstrated in arthrogryposis and myelomeningocele clubfoot. There are few clinical studies demonstrating the efficacy of this therapeutic option in patients with syndromic clubfoot. Retrospective study with 6 patients (9 feet) with syndromic clubfoot treated in a tertiary center with the Ponseti method with a minimum follow up of two years (2–18). The results were evaluated with the Pirani classification, assessing clubfoot severity before and after treatment. Of the six patients treated were used an average of 6.5 casts. The Pirani scale obtained a mean score of 5.2 before treatment, with a decrease to 1.27 after treatment, with a mean improvement of 3.93 points. In more than half of the cases it was necessary to lengthen the Achilles tendon to correct the equine deformity. In addition, an ankle-foot orthosis was used to reduce recurrences in patients with dysmetria or psychomotor retardation. The most frequently observed residual deformity was the adduct. A patient relapsed twice. The Ponseti method obtains effective results in the correction of syndromic clubfoot, although it requires a greater number of corrective casts than other pediatric foot pathologies. El pie zambo supone una de las malformaciones congénitas del pie más frecuentes. Generalmente la etiología es idiopática. Sin embargo, pueden presentar una causa sindrómica y asociarse con afecciones musculoesqueléticas, neurológicas o del tejido conjuntivo, recibiendo en estos casos, la denominación de pie zambo sindrómico. El tratamiento de elección del pie zambo idiopático es el método Ponseti, basado en la manipulación y yesos seriados. También se ha demostrado su utilidad en pie zambo asociado con artrogriposis y mielomeningocele, pero existen pocas publicaciones sobre la eficacia en el pie zambo sindrómico. Estudio retrospectivo en seis pacientes (nueve pies) con pie zambo sindrómico tratados en un centro terciario siguiendo el método Ponseti. Tiempo de seguimiento mínimo de dos años (2-18). Los resultados fueron evaluados con la clasificación de Pirani, para valorar la severidad del pie zambo, previa y posteriormente al tratamiento. En los seis pacientes tratados, se emplearon una media de 6,5 yesos. La escala de Pirani obtuvo una valoración media de 5,2, previamente al tratamiento, con un descenso hasta 1,27 tras el tratamiento, con una mejoría media de 3,93 puntos. En más de la mitad de los casos fue necesario una tenotomía del tendón Aquileo para corregir la deformidad en equino. Se utilizó una ortesis tobillo-pie para reducir las recidivas si retraso psicomotor o dismetría severa. La deformidad residual más frecuente fue el aducto, que no requirió tratamiento quirúrgico. Un paciente recidivó en dos ocasiones. El método de Ponseti es útil en el tratamiento del pie zambo sindrómico, aunque precisa un número mayor de yesos correctores que en el pie zambo idiopático. La deformidad residual más frecuente en esta muestra fue el adductus.
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The review of the foreign literature and that of our country regarding clubfoot treatment in children with arthrogryposis presents in the article. Current conservative and surgical methods represent, as well as the main problems of arthrogrypotic clubfoot treatment. State of the problem and modern tendencies of developing the techniques of equino-cavo-varus deformity correction introduce based on the examples of last decade literature.
Conservative Treatment
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To evaluate the effectiveness of the Ponseti method in treating clubfoot associated with arthrogryposis.Retrospective consecutive review over a 10-year period in a tertiary centre of all patients with arthrogrypotic clubfoot treated with the Ponseti method. The primary outcome measure at final follow-up was the functional correction of the deformity.There were ten children with 17 arthrogrypotic clubfeet, with an average follow-up of 5.8 years (range 3-8 years). The average age at presentation was 5 weeks (range 2-20 weeks). Deformities were severe, with an average Pirani score of 5.5 (range 3-6). Initial correction was achieved in all children with an average of 8 (range 4-10) Ponseti casts and a tendo-Achilles tenotomy (TAT) was performed in 94.1 %. Two-thirds of patients had a satisfactory outcome at final follow-up, with functional plantigrade, pain-free feet.The Ponseti method is an effective first-line treatment for arthrogrypotic clubfeet to achieve functional plantigrade feet. Children will often require more casts and have a higher risk of relapse.
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Arthrogryposis multiplex congenita
Foot (prosody)
Position (finance)
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The literature on clubfeet is inadequate because a common method language for assessing the deformity is lacking. Different severities of clubfoot deformity will give different results for a standard procedure: a less severe deformity can be corrected by limited releases, whereas a severe deformity requires radical procedures. This paper presents a language of assessment that has been used for a number of years. The importance of developing a language of assessment to be able to identify the various types of clubfoot deformity is important if the treatment of this condition is to develop within the field of pediatric orthopedics.
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