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Clubfoot – Causes, Symptoms & Treatment

Clubfoot is a common congenital foot deformity in which the foot is twisted inward and downward. It affects about 1 in 1,000 newborns and is treated most effectively in the first weeks of life.

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Things worth knowing about "Clubfoot"

Clubfoot is a common congenital foot deformity in which the foot is twisted inward and downward. It affects about 1 in 1,000 newborns and is treated most effectively in the first weeks of life.

What is Clubfoot?

Clubfoot (Latin: Pes equinovarus or Talipes equinovarus) is one of the most common congenital musculoskeletal deformities. The foot is rotated inward and downward, with the heel raised and the forefoot turned inward. It affects approximately 1 in 1,000 live births and is twice as common in boys. In about half of all cases, both feet are affected.

Causes

The exact causes of clubfoot are not fully understood. Several forms are recognized:

Idiopathic clubfoot: The most common form, occurring without an underlying condition. Genetic factors play a significant role.
Neurogenic clubfoot: Caused by neurological conditions such as spina bifida or cerebral palsy.
Syndromic clubfoot: Associated with genetic syndromes or skeletal disorders.
Postural (positional) clubfoot: Results from the position of the baby in the womb and is generally milder and easier to treat.

Known risk factors include family history of clubfoot, male sex, oligohydramnios (low amniotic fluid), and neuromuscular disorders.

Symptoms

Clubfoot is visible at birth and is characterized by the following features:

Foot twisted inward and downward (supination and plantarflexion)
Elevated heel (equinus position)
Inward rotation of the forefoot (adduction)
High arch component (cavus)
Shortened and thickened tendons and ligaments on the inner side of the foot
If left untreated: pain during walking, gait abnormalities, and early joint degeneration

Diagnosis

Clubfoot can often be identified before birth and is confirmed shortly after delivery:

Prenatal ultrasound: Clubfoot may be detected as early as 20 weeks of pregnancy.
Clinical examination: A pediatrician or orthopedic specialist examines the newborn immediately after birth. The deformity is clearly visible.
Imaging: X-rays or ultrasound may be used to assess the severity and bone alignment.
Severity scoring: The Pirani score and the Dimeglio classification are commonly used to grade the severity of the deformity.

Treatment

Early treatment is essential for the best possible outcome. The gold standard worldwide is the Ponseti method.

Ponseti Method

This non-surgical treatment approach is most effective when started in the first weeks of life:

Serial casting: Weekly application of specially shaped plaster casts that gradually correct the foot position (typically 5–7 casts).
Achilles tenotomy: In approximately 80–90% of cases, a minor outpatient procedure to lengthen the Achilles tendon is required.
Foot abduction brace (FAB): After casting, a brace is worn – initially almost full-time and later only at night – until the child is 4–5 years old to prevent relapse.

Surgical Treatment

In severe, relapsed, or older cases, surgery may be necessary. This can include extensive soft tissue release or bony corrective osteotomy.

Physiotherapy

Complementary physical therapy supports muscle function, range of motion, and normal gait development in children.

Prognosis

With early and consistent treatment using the Ponseti method, most children achieve good foot function and are able to lead a largely normal life. Regular orthopedic follow-up is recommended throughout the growth period.

References

Ponseti IV. Congenital Clubfoot: Fundamentals of Treatment. Oxford University Press, 1996.
World Health Organization (WHO). Global strategies for congenital conditions. Available at: https://www.who.int
Dobbs MB, Gurnett CA. Update on clubfoot: etiology and treatment. Clinical Orthopaedics and Related Research. 2009;467(5):1146–1153.

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