Initiating Ponseti management in preterm infants with clubfoot at term age
Emily Scanlan1, Kate Grima-Farrell1, Emre IIhan1
1Department of Health Sciences, Faculty of Medicine, Health and Human Sciences, Macquarie University, Macquarie Park, NSW, Australia.
Insights
Ponseti management for clubfoot in preterm infants treated at term age shows similar 1-year outcomes to those born at term. Further studies are needed to assess long-term results in this population.
Area of Science:
- Pediatric Orthopedics
- Neonatal Care
- Congenital Abnormalities
Background:
- Clubfoot is a common congenital foot deformity.
- Optimal timing for initiating clubfoot treatment in preterm infants remains unclear.
- The Ponseti method is a widely used conservative treatment for clubfoot.
Purpose of the Study:
- To evaluate the 1-year treatment outcomes of the Ponseti method in preterm-born infants treated at term age.
- To compare outcomes between preterm and term-born infants managed with the Ponseti method.
Main Methods:
- Retrospective chart audit of preterm infants with clubfoot treated with the Ponseti method at term age (≥37 weeks gestation).
- Data collected included gestational age at birth, age at treatment initiation, Pirani scores, number of casts, tenotomy rates, and recurrence rates.
- Outcomes were analyzed up to 1 year post-correction.
Main Results:
- Twenty-six preterm infants (40 feet) were included, with treatment initiated at a mean of 41.4 weeks gestation.
- Idiopathic and syndromic clubfoot groups showed similar baseline Pirani scores and number of casts required for correction.
- Achilles tenotomies were performed in 21% of idiopathic and 39% of syndromic cases; 1-year recurrence was observed in 5 feet.
Conclusions:
- Ponseti management initiated at term age in preterm infants results in outcomes comparable to term-born infants at 1 year.
- Long-term outcomes beyond 1 year require further investigation to assess alignment with growth and development.
Purpose:
Currently, the optimal time to initiate treatment among preterm infants with clubfoot is unknown. The aim of this study was to describe treatment outcomes up to 1 year post-correction following Ponseti management in infants who were born preterm but treated at term age.
Methods:
A retrospective chart audit was conducted at a major pediatric hospital on preterm infants with clubfoot who commenced Ponseti management at term age (≥37 weeks of gestation). Data are expressed as mean values (±standard deviation) or 95% confidence intervals (95% CIs).
Results:
Twenty-six participants (40 feet) born at 32.6/40 (±3.1) weeks of gestation were identified. Thirteen (50%) were male, 14 (54%) presented bilaterally, and 7 (27%) presented with syndromic clubfoot. Ponseti management was initiated at 41.4/40 (±2.8) weeks gestation. Baseline Pirani scores were 5.2 (95%CI: 4.8-5.6) in the idiopathic group and 5.7 (95%CI: 5.0-6.4) in the syndromic group. The number of casts to correction was 5.9 (95% CI: 5.1-6.6) for those with idiopathic clubfoot and 6.1 (95%CI: 5.0-7.3) for those with syndromic clubfoot. Achilles tenotomies were required in 13 (21 feet) with idiopathic clubfoot and five (7 feet) with syndromic clubfoot. Recurrence occurred in four infants (5 feet): 4 feet required further casting and bracing, and 1 foot required additional surgery.
Conclusion:
Ponseti management at term age in preterm-born infants yields comparable 1-year outcomes to term-born infants. Further research is required to determine whether outcomes beyond 1 year of age align with growth and development demonstrated by term-born infants who are managed with the Ponseti method.
Level Of Evidence:
Level IV.
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