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Modified Mitchell osteotomy for hallux valgus

C H Kuo1, P J Huang, Y M Cheng

  • 1Department of Orthopaedic Surgery, Kaohsiung Medical College, Kaohsiung City, Taiwan, Republic of China.

Foot & Ankle International
|October 8, 1998
PubMed
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The modified Mitchell distal metatarsal osteotomy effectively corrected hallux valgus in 92.5% of patients. This procedure offers a stable solution for mild-to-moderate cases with straightforward recovery.

Area of Science:

  • Orthopedic Surgery
  • Podiatric Medicine
  • Surgical Innovation

Background:

  • Hallux valgus, a common foot deformity, often requires surgical intervention.
  • Mild-to-moderate hallux valgus presents challenges for effective and lasting correction.
  • The Mitchell distal metatarsal osteotomy is a recognized surgical technique for hallux valgus.

Purpose of the Study:

  • To evaluate the efficacy and outcomes of a modified Mitchell distal metatarsal osteotomy.
  • To assess the radiographic and clinical results of this procedure for hallux valgus.
  • To determine patient satisfaction and complication rates associated with the modified Mitchell osteotomy.

Main Methods:

  • A retrospective review of 96 patients (161 feet) who underwent the procedure between 1988 and 1995.

Related Experiment Videos

  • Analysis of pre- and post-operative anteroposterior (AP) weight-bearing radiographs to measure angular corrections.
  • Clinical evaluation based on pain relief, foot appearance, and shoe wear, with an average follow-up of 38 months.

    • Main Results:

    • Significant correction of average intermetatarsal angle (15° to 9°) and first metatarsophalangeal angle (41° to 15°).
    • High overall patient satisfaction rate of 92.5% reported.
    • Common complications included pin tract infections (13), delayed unions (2), and correction losses (2); transfer metatarsalgia affected 12.4% of feet.

    Conclusions:

    • The modified Mitchell distal metatarsal osteotomy is a viable and effective surgical option for mild-to-moderate hallux valgus, particularly when the intermetatarsal angle is less than 20 degrees.
    • The procedure provides a stable construct with generally easy postoperative care, leading to high patient satisfaction.
    • While effective, potential complications such as transfer metatarsalgia should be considered in patient selection and management.