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Related Experiment Videos

Combined reduction osteotomy for triphalangeal thumb.

C A Peimer

    The Journal of Hand Surgery
    |May 1, 1985
    PubMed
    Summary

    This study presents a surgical technique for triphalangeal thumb, a congenital hand deformity. The combined osteotomy effectively corrected length, alignment, and function, with no recurrence in patients followed long-term.

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    Area of Science:

    • Congenital Hand Surgery
    • Pediatric Orthopedics
    • Hand Deformity Correction

    Background:

    • Triphalangeal thumb is a rare congenital hand anomaly characterized by an elongated thumb and abnormal phalangeal development.
    • The presence of a C-shaped (
    • delta
    • ) epiphysis in the middle phalanx can exacerbate the deformity if left untreated.
    • Surgical intervention aims to correct the malformation, improving both aesthetics and function.

    Purpose of the Study:

    • To evaluate the efficacy of a single-stage combined longitudinal and transverse reduction osteotomy for treating triphalangeal thumb.
    • To assess the long-term outcomes regarding thumb alignment, length, motion, and recurrence after surgical correction.

    Main Methods:

    • Three cases of triphalangeal thumb in two pediatric patients were treated with a combined reduction osteotomy.
    • The surgical technique involved narrowing, shortening, and deangulation by removing the aberrant joint and epiphysis.
    • Patients underwent a follow-up period of 48 to 59 months post-surgery.

    Main Results:

    • Successful realignment and correction of relative thumb length were achieved in all treated thumbs.
    • Interphalangeal motion was preserved post-operatively.
    • No instances of instability, recurrent angulation, or deformity recurrence were observed during the follow-up period.

    Conclusions:

    • Single-stage combined reduction osteotomy is an effective treatment for triphalangeal thumb.
    • This surgical approach provides durable correction, preserving thumb function and preventing recurrence.
    • The technique addresses the underlying bony abnormalities, leading to satisfactory long-term outcomes in pediatric patients.

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