Ponseti, J Bone Joint Surg Am 1992 - Treatment of Congenital Club Foot

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Treatment of Congenital Club Foot

Ponseti·J Bone Joint Surg Am·1992·491 citations·Review article

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Ponseti's 1992 Current Concepts Review codifies his manipulative treatment of congenital clubfoot. It describes the precise correction sequence, cast technique, percutaneous tenotomy indications, bracing protocol, and management of relapse. It also explains why forcible pronation — the most common technical error — produces iatrogenic deformity rather than correction.

Key Findings

The Ponseti method achieves successful correction in 85–90% of clubfeet without formal operative release, using manipulation, serial casting, percutaneous Achilles tenotomy when needed, and anterior tibial tendon transfer when indicated.
Correction follows a strict sequence that most centers get wrong:
- Step 1 — Cavus (supinate forefoot relative to hindfoot)
- Step 2. Varus/adductus (abduct in external rotation, talar head as fulcrum)
- Step 3. Equinus corrected last by dorsiflexion with heel in valgus
- Never pronate. This worsens cavus and creates mid-foot breach.
Percutaneous Achilles tenotomy is needed in ~70% of patients when casting alone cannot achieve 15 degrees of dorsiflexion. It is the rule, not the exception.
Relapse occurs in ~50% of patients between 10 months and 7 years (average 2.5 years), presenting as equinus and hindfoot varus without recurrence of cavus or adductus. Bracing non-compliance is the primary driver.
Post-correction bracing: Denis Browne splint at 60–70° external rotation, full-time for 3 months then nightly for 2–4 years. A splint that cannot maintain marked external rotation without forced pronation is ineffective.

Board PearlThe Ponseti method corrects 85–90% of clubfeet without formal release — cavus first, equinus last, never pronate.

Treatment of Congenital Club Foot.

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Treatment of Congenital Club Foot

Ponseti·J Bone Joint Surg Am·1992·491 citations·Review article

|

Ponseti's 1992 Current Concepts Review codifies his manipulative treatment of congenital clubfoot. It describes the precise correction sequence, cast technique, percutaneous tenotomy indications, bracing protocol, and management of relapse. It also explains why forcible pronation — the most common technical error — produces iatrogenic deformity rather than correction.

Key Findings

The Ponseti method achieves successful correction in 85–90% of clubfeet without formal operative release, using manipulation, serial casting, percutaneous Achilles tenotomy when needed, and anterior tibial tendon transfer when indicated.
Correction follows a strict sequence that most centers get wrong:
- Step 1 — Cavus (supinate forefoot relative to hindfoot)
- Step 2. Varus/adductus (abduct in external rotation, talar head as fulcrum)
- Step 3. Equinus corrected last by dorsiflexion with heel in valgus
- Never pronate. This worsens cavus and creates mid-foot breach.
Percutaneous Achilles tenotomy is needed in ~70% of patients when casting alone cannot achieve 15 degrees of dorsiflexion. It is the rule, not the exception.
Relapse occurs in ~50% of patients between 10 months and 7 years (average 2.5 years), presenting as equinus and hindfoot varus without recurrence of cavus or adductus. Bracing non-compliance is the primary driver.
Post-correction bracing: Denis Browne splint at 60–70° external rotation, full-time for 3 months then nightly for 2–4 years. A splint that cannot maintain marked external rotation without forced pronation is ineffective.

Board PearlThe Ponseti method corrects 85–90% of clubfeet without formal release — cavus first, equinus last, never pronate.

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