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Surgery · Fractures

Leg fractures (tibia and fibula): why alignment matters

In the leg, bone healing is not enough: axis and rotation must also be watched. A crooked-healing tibia in a child does not always straighten with growth.

The conservative pathway, where possible

Many stable tibial fractures in young children, including the classic toddler's fracture, are managed without surgery. Immobilisation, need for X-rays and progression of weight-bearing depend on age, stability and the clinical picture; fixation is not routinely required for stable patterns.

When surgery is needed, these are the techniques

Tibial ESIN

Two elastic nails inserted from the proximal tibia, respecting the growth plate, and advanced across the fracture to stabilise the fragments. Closed reduction is attempted; exposure of the fracture may be needed if it cannot be achieved.

Displaced, unstable diaphyseal tibia fractures in school-age children and adolescents. Whether to stabilise the fibula too is decided case by case.

Nails are removed in a planned second operation.

Plate and screws

Rigid fixation with a dedicated plate. More stable than ESIN.

Heavier adolescents, multifragmentary fractures, some distal fractures near the ankle.

Closed reduction + percutaneous screw fixation

After realignment, one or more screws are inserted under the skin to stabilise the fracture without opening it.

Fractures or fragments selected by location, size and geometry, such as certain metaphyseal or epiphyseal injuries, when a screw provides adequate stability and respects the physis. Isolated screws are not a generic alternative to elastic nails in shaft fractures.

External fixator

Stabilisation system with external bars fixed to the bone through pins. Allows management of complex or soft-tissue-related lesions.

Open fractures, significant soft tissue injuries, some multifocal fractures.

Long cast

Cast immobilising knee, leg and foot, possibly preceded by reduction under anaesthesia.

Stable or well-reducible fractures, especially in young children with high remodelling potential.

What is checked during follow-up

Alignment

Tibial axis on frontal and sagittal planes, overall limb rotation. Even small deviations must be detected early.

Growth plates

Especially near the ankle, where physeal involvement can lead to progressive axial deviations.

When to worry

Increasing pain under the cast, marked swelling, tingling, cold or pale toes are never «normal». In these cases a quick check-up is needed — not waiting.

A second opinion on a paediatric fracture

Bring the ER report and the X-rays. A focused paediatric orthopaedic visit can clarify indication, timing and alternatives.

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Content for general informational purposes only. It does not replace a medical evaluation.