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Indian J Orthop. 2008 Jul;42(3):347-50. doi: 10.4103/0019-5413.41860.

Congenital vertical talus: treatment by reverse ponseti technique.

Author information

  • BSES MG Global Hospital, Bombay Hospital Institute of Medical Sciences, Mumbai, India. arb_25@yahoo.com

Abstract

BACKGROUND:

The surgery for idiopathic congenital vertical talus (CVT) can lead to stiffness, wound complications and under or over correction. There are sporadic literature on costing with mixed results. We describe our early experience of reverse ponseti technique.

MATERIALS AND METHODS:

Four cases (four feet) of idiopathic congenital vertical talus (CVT) which presented one month after birth were treated by serial manipulation and casting, tendoachilles tenotomy and percutaneous pinning of talonavicular joint. An average of 5.2 (range - four to six) plaster cast applications were required to correct the forefoot deformity. Once the talus and navicular were aligned based on the radiographic talus-first metatarsal axis, percutaneous fixation of the talo-navicular joint with a Kirschner wire, and percutaneous tendoachilles tenotomy under anesthesia was performed following which a cast was applied with the foot in slight dorsiflexion.

RESULTS:

The mean follow-up period for the four cases was 8.5 months (6-12 months). At the end of the treatment all feet were supple and plantigrade but still using ankle foot orthosis (AFO). The mean talocalcaneal angle was 70 degrees before treatment and this reduced to 31 degrees after casting. The mean talar axis first metatarsal base angle (TAMBA) angle was 60 degrees before casting and this improved to 10.5 degrees.

CONCLUSION:

Although our follow-up period is small, we would recommend early casting for idiopathic CVT along the same lines as the Ponseti technique for clubfoot except that the forces applied are in reverse direction. This early casting method can prevent extensive surgery in the future, however, a close vigil is required to detect any early relapse.

KEYWORDS:

Casting; congenital vertical talus; conservative treatment

PMID:
19753164
[PubMed]
PMCID:
PMC2739479
Free PMC Article

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