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Related Experiment Videos

Functional comparison between pollicization and toe-to-hand transfer for thumb reconstruction.

J Michon, M Merle, Y Bouchon

    Journal of Reconstructive Microsurgery
    |October 1, 1984
    PubMed
    Summary

    Thumb reconstruction using pollicization and toe transplantation were compared. Big toe transfer offered superior function and aesthetics, particularly in complex cases, while pollicization excelled in sensibility and pinch accuracy for certain thumb defects.

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    Area of Science:

    • Reconstructive surgery
    • Hand surgery
    • Microsurgery

    Background:

    • Thumb loss significantly impacts hand function and quality of life.
    • Pollicization and toe transplantation are primary surgical options for thumb reconstruction.
    • Evaluating the comparative efficacy of these methods across different patient groups is crucial.

    Purpose of the Study:

    • To compare the functional outcomes of pollicization versus toe transplantation for thumb reconstruction.
    • To assess results across four distinct patient groups with varying degrees of thumb and digit loss.
    • To evaluate outcomes based on mobility, strength, sensibility, aesthetics, pinch, and grasp.

    Main Methods:

    • Comparative functional analysis of pollicization and toe transplantation.

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  • Patient stratification into four groups based on thumb and digit status.
  • Assessment across six functional and aesthetic parameters.

    • Main Results:

    • In Group I (isolated thumb loss), pollicization improved sensibility and mobility, but big toe transfer yielded better grasp. Pollicization offered superior pinch accuracy.
    • In Group II (mutilated digits), toe transfer showed better results as mutilation severity increased. Pollicization success depended on preoperative sensibility and joint mobility.
    • In Group III (metacarpal hand), toe transfer provided better prehension than pollicization. For distal thumb amputations (Group IV), both methods were viable, but pollicization had limited indications. Big toe transfer generally outperformed second toe transfer.

    Conclusions:

    • Big toe transplantation generally provides superior functional and cosmetic outcomes for thumb reconstruction compared to pollicization.
    • The choice of reconstruction method should be tailored to the specific patient group and degree of digit loss.
    • Pollicization remains a valuable option for specific indications, particularly when sensibility and pinch accuracy are paramount.