Comparison of Radiological Outcome of Conventional vs Accelerated Ponseti Casting Technique for Treatment of Club Foot: Randomized Controlled Trial
试验速览
- 阶段
- 不适用
- 状态
- 招募中
- 发起方
- 入组人数
- 144
- 试验地点
- 1
- 主要终点
- Lateral Talocalcaneal Angle (TCA-Lat)
研究概览
简要总结
Club foot (congenital talipes equinovarus) is a common birth deformity affecting 1-2 per 1,000 live births, with even higher rates in low-income countries. The standard treatment is the Ponseti method using weekly serial casts, but weekly visits for several weeks can be challenging for families in hot climates or with limited resources. This randomized controlled trial compares the standard once-weekly Ponseti casting with an accelerated twice-weekly casting technique. The primary outcome is radiological correction measured by the lateral talocalcaneal angle (target ≥35°) on standardized foot X-rays taken six weeks after brace fitting. Secondary outcomes include the talocalcaneal index (>40) and the tibio-calcaneal (dorsiflexion) angle (60-90°). Babies under six months of age with idiopathic club foot will be randomly assigned to either the standard or accelerated casting group. All other aspects of the Ponseti method (manipulation, number of casts, tenotomy when needed, final cast for three weeks, and foot abduction orthosis) remain identical. Adverse events such as skin problems, swelling, or cast complications will be recorded. The study aims to determine whether accelerated casting achieves better radiographic correction without increasing risks.
详细描述
This open-label randomized controlled trial will be conducted at the dedicated Ponseti clinic, Department of Orthopedic and Trauma, Khyber Teaching Hospital, Peshawar, Pakistan, over six months. A total of 158 club feet (105 infants) with idiopathic club foot aged <6 months will be enrolled using non-probability consecutive sampling. After informed consent and baseline X-ray, participants are randomly allocated (sealed envelope, odd/even numbers from OpenEpi) to either standard once-weekly casting (every Monday) or accelerated twice-weekly casting (Monday and Friday). All other Ponseti protocol elements (manipulation, number of casts, tendo Achillis tenotomy when indicated, final cast for 3 weeks, and foot abduction orthosis) are identical. The primary outcome is lateral talocalcaneal angle (mean of dorsiflexion and plantar flexion views) ≥35° on standardized X-ray six weeks after bracing. Secondary outcomes are talocalcaneal index >40 and tibio-calcaneal angle 60-90°. Adverse events (skin sores, swelling, cast issues) are recorded. Allocation concealment is blinded to investigator and parents; the outcome assessor (pediatric orthopaedic fellow) is blinded to group assignment. Data will be analyzed using SPSS v20 (intention-to-treat, independent t-test or Mann-Whitney U, adjusted odds ratios, p<0.05 significant). Ethical approval will be obtained from Khyber Medical College, KMU, and ASRB. Treatment is free, but no financial compensation is provided.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- None
盲法说明
The principal investigator does not perform casting, and the pediatric orthopaedic fellow who measures the radiological outcomes is blinded to treatment group assignment; however, patients, parents, and the personnel applying casts cannot be blinded because of the visibly different casting frequencies (once versus twice per week).
入排标准
- 年龄范围
- 1 Day 至 5 Months（Child）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Both gender with idiopathic club foot with age less than 6 months
排除标准
- •Syndromic club foot (e.g., associated with arthrogryposis, myelomeningocele, or other genetic syndromes)
- •Previous treatment for club foot (either serial casting or surgical intervention)
- •Any other significant congenital anomaly or medical condition that, in the opinion of the investigator, would interfere with treatment or follow-up
研究组 & 干预措施
Standard Ponseti Casting (Once Weekly)
Participants in this arm receive standard Ponseti serial casting once per week (every Monday) until clubfoot correction is achieved. Each casting session includes manipulation followed by application of a plaster cast. Typically 5 to 6 casts are required. When indicated, a tendo Achillis tenotomy is performed under local anesthesia in the clinic, followed by a final cast worn for three weeks. After cast removal, a foot abduction orthosis (Miracle Feet brace) is applied and worn full-time for three months, then nights only until five years of age. Radiological outcome is assessed six weeks after brace fitting.
干预措施: Ponseti Casting (Procedure)
Accelerated Ponseti Casting (Twice Weekly)
Participants in this arm receive accelerated Ponseti serial casting twice per week (every Monday and Friday) until clubfoot correction is achieved. All other elements are identical to the standard arm: manipulation technique, number of casts (typically 5-6), tendo Achillis tenotomy under local anesthesia when indicated, a final cast for three weeks, followed by the same foot abduction orthosis (Miracle Feet brace) with identical wearing schedule. Radiological outcome is assessed six weeks after brace fitting. The only difference from the standard arm is the frequency of cast changes.
干预措施: Accelerated Ponseti Casting (Procedure)
结局指标
主要结局
Lateral Talocalcaneal Angle (TCA-Lat)
时间窗: 6 weeks after application of foot abduction orthosis (i.e., approximately 6 weeks following final cast removal and tenotomy healing)
The lateral talocalcaneal angle measured on standardized lateral foot X-ray. The angle is calculated as the mean of measurements taken in both dorsiflexion and plantar flexion views. A value of 35 degrees or above indicates successful correction of hindfoot varus. The measurement will be performed by a pediatric orthopaedic fellow blinded to treatment group assignment.
次要结局
未报告次要终点