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KMID : 0361620120470010021
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Journal of the Korean Orthopaedic Association
2012 Volume.47 No. 1 p.21 ~ p.27
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Hematoma Distraction Arthroplasty after Trapeziectomy in Advanced Osteoarthritis of the Trapeziometacarpal Joint
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Kim Bo-Kun
Shin Hyun-Dae
Kim Kyung-Cheon
Cha Soo-Min
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Abstract
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Purpose:To investigate the clinical usefulness of hematoma distraction arthroplasty to treat advanced trapeoziometacarpal osteoarthritis of the thumb.
Materials and Methods:We studied 12 cases (1 male, 11 females) with osteoarthritis of the thumb that was managed with hematoma distraction arthroplasty using K-wire fixation. Of the 12 cases, 7 were Littler-Eaton stage III and 5 were Littler-Eaton stage IV. We investigated operation time, preoperative and postoperative visual analogue scale (VAS) score, preoperative and postoperative range of motion, grip power and radiologic changes.
Results:The mean patient age was 53.2 (39-61) years and the mean duration of follow-up was 19.5 (14-27) months. The average operation time was 52 minutes. The mean VAS scores at 6 and 12 months after the operation were 1.3 and 0.7, respectively. The range of motion and grip power of the finger improved postoperatively (15% in abduction, 18% in adduction, 25% in flexion, 14% in extension, 66% in grip power of the finger). On a simple 12-month postoperative radiologic exam, the interval between the scaphoid and first metacarpal bone had decreased 6.5 mm compared with the preoperative interval.
Conslusion:The surgical treatment using hematoma distraction arthroplasty for trapeziometacarpal osteoarthritis is an effective method for pain relief, improvement of motion range and finger-grip power.
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KEYWORD
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trapeziometacarpal joint, osteoarthritis, hematoma distraction arthroplasty
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