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Scaphotrapezial trapezoidal arthrosis.

E B Crosby, R L Linscheid, J H Dobyns

    The Journal of Hand Surgery
    |May 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Degenerative arthritis affecting the scaphotrapezial and trapezoidal joints causes pain and weakness. While various treatments offer moderate satisfaction, arthrodesis most reliably improves grip strength, though it reduces wrist motion.

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    Area of Science:

    • Orthopedics
    • Rheumatology
    • Hand Surgery

    Background:

    • Scaphotrapezial trapezoidal (STT) degenerative arthritis is a common cause of hand pain and weakness.
    • It can occur as an isolated condition or as part of a broader degenerative process affecting the entire trapezium.

    Purpose of the Study:

    • To describe the clinical and radiographic features of STT degenerative arthritis.
    • To evaluate the outcomes of conservative and surgical treatments for this condition.

    Main Methods:

    • Retrospective review of 49 hands from 34 patients diagnosed with STT degenerative arthritis.
    • Analysis of clinical complaints, physical examination findings, and radiographic evidence.
    • Evaluation of treatment outcomes for conservative management and various surgical procedures.

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    Main Results:

    • Primary complaints included pain and weakness, with point tenderness in most cases.
    • Radiographic findings showed joint space narrowing, sclerosis, and cyst formation.
    • Conservative treatment involved splints, injections, and activity modification.
    • Surgical options included arthroplasty, arthrodesis, debridement, and excision.
    • Late results were generally more favorable than early results, with arthrodesis showing the most predictable improvement in grip and pinch strength, albeit with diminished wrist motion.

    Conclusions:

    • STT degenerative arthritis presents with characteristic clinical and radiographic findings.
    • Both conservative and surgical treatments can yield moderately satisfactory results.
    • Arthrodesis is effective for improving strength but compromises wrist mobility.