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Related Experiment Videos

Lower limb-length discrepancy. An epidemiologic study.

J M Guichet1, J M Spivak, P Trouilloud

  • 1Service de Chirurgie Orthopédique, Hôpital d'Enfant, Dijon, France.

Clinical Orthopaedics and Related Research
|November 1, 1991
PubMed
Summary
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Significant lower limb-length discrepancy affects approximately one in 1000 people, with males more commonly affected. Surgical limb lengthening procedures predominantly use gradual distraction techniques, with the tibia most frequently lengthened.

Area of Science:

  • Orthopedics
  • Epidemiology
  • Surgical Techniques

Background:

  • Lower limb-length discrepancy (LLD) is a common orthopedic condition.
  • Accurate incidence and prevalence data are crucial for understanding the burden of LLD and guiding treatment strategies.

Purpose of the Study:

  • To determine the incidence and prevalence of significant LLD in France.
  • To analyze the number and types of surgical limb lengthening procedures performed in 1987.

Main Methods:

  • Retrospective analysis of epidemiologic data and surgical records from France in 1987.
  • Examination of apparatus prescriptions for asymmetry correction and surgical lengthening procedures.
  • Questionnaire administered to orthopedic surgeons regarding surgical techniques and outcomes.

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Main Results:

  • Incidence of apparatus prescriptions for asymmetry correction was 2.16 per 100,000 population; prevalence of apparatus users was 1 per 1000.
  • The male-to-female ratio for LLD was 1.95:1.
  • Tibia was lengthened more often than the femur (1.1:1 ratio) using gradual distraction techniques (89.4% of cases).
  • Ilizarov apparatus was the most common device (57.4%) for gradual distraction.
  • Average total lengthening was 51 mm, with gradual distraction yielding greater lengthening (53.5 mm) than immediate distraction (31.4 mm).

Conclusions:

  • The actual incidence and prevalence of significant LLD are likely higher than reported due to study biases.
  • Gradual distraction techniques, particularly with the Ilizarov apparatus, are the preferred methods for surgical limb lengthening.
  • Surgical limb lengthening is primarily performed by large orthopedic teams.