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Tendon graft donor sites.

M A Wehbé1

  • 1Pennsylvania Hand Center, Bryn Mawr 19010.

The Journal of Hand Surgery
|November 1, 1992
PubMed
Summary
This summary is machine-generated.

This study analyzed tendon graft potential in cadavers. Key tendons like palmaris longus and plantaris showed consistent lengths but variable presence, impacting their suitability for tendon grafts.

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Area of Science:

  • Anatomy
  • Orthopedic Surgery
  • Biomedical Engineering

Background:

  • Tendon grafts are crucial in reconstructive surgery.
  • Understanding anatomical variations of donor tendons is essential for surgical planning.
  • The palmaris longus and plantaris tendons are commonly considered for grafts.

Purpose of the Study:

  • To measure and compare the dimensions of potential tendon graft donors.
  • To assess the correlation of tendon dimensions with demographic factors.
  • To determine the incidence of absence for specific tendons.

Main Methods:

  • Dissection of 480 extremities from 120 cadavers.
  • Measurement of length and width for palmaris longus, extensor digiti minimi, extensor indicis, plantaris, and second toe extensor tendons.

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  • Statistical analysis to correlate measurements with age, sex, and body size.

    • Main Results:

    • Palmaris longus and extensor digiti minimi averaged 16 cm x 3 mm.
    • Extensor indicis averaged 13 cm x 3 mm.
    • Plantaris and second toe extensors averaged 35 cm x 2-2.5 mm.
    • No significant correlation found between tendon size and age, sex, or limb size.
    • High correlation between right and left-side measurements within specimens.
    • Palmaris longus absent in 25% of upper extremities; plantaris absent in 19% of lower extremities.

    Conclusions:

    • Tendon dimensions are largely independent of patient demographics.
    • Significant anatomical variations and absence rates exist for potential graft tendons.
    • These findings are critical for donor site selection in tendon grafting procedures.