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Related Experiment Videos

Bunion correction using proximal chevron osteotomy: a single-incision technique

G J Sammarco1, F G Russo-Alesi

  • 1Center for Orthopedic Care Inc, Cincinnati, Ohio 45219, USA.

Foot & Ankle International
|August 7, 1998
PubMed
Summary
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This study shows that proximal chevron first metatarsal osteotomy effectively corrects bunions (hallux valgus) and related deformities, with significant patient satisfaction and improvement in foot function. The procedure offers reliable long-term results for moderate to severe cases.

Area of Science:

  • Orthopedic Surgery
  • Foot and Ankle Surgery
  • Podiatric Medicine

Background:

  • Hallux valgus, commonly known as a bunion, is a prevalent foot deformity.
  • Surgical correction is often necessary for moderate to severe symptomatic cases.
  • Metatarsus primus varus can be associated with hallux valgus, complicating treatment.

Purpose of the Study:

  • To evaluate the efficacy and outcomes of a specific surgical technique for hallux valgus.
  • To assess the radiographic and clinical improvements following the procedure.
  • To report complications and patient satisfaction rates.

Main Methods:

  • Review of 72 cases (55 patients) undergoing proximal chevron first metatarsal osteotomy with lateral capsulotomy, adductor tenotomy, and metatarsal binding.

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  • Average follow-up of 41 months.
  • Analysis of radiographic parameters (hallux valgus angle, intermetatarsal I-II angle, sesamoid position) and subjective foot scores.

    • Main Results:

    • Significant improvement in hallux valgus angle (average 15 degrees) and intermetatarsal I-II angle (average 5.5 degrees).
    • Improved sesamoid position (49% improvement) and subjective foot scores (average 70.1 to 94.4/100).
    • Complications occurred in 10 patients, including delayed unions and stress fractures; 84% would undergo the procedure again.

    Conclusions:

    • Proximal chevron first metatarsal osteotomy is a reliable technique for treating moderate to severe hallux valgus and associated deformities.
    • The procedure yields successful long-term radiographic and clinical outcomes with high patient satisfaction.
    • While complications can occur, the overall benefits support its use in indicated cases.