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DOI: 10.1055/s-0032-1329616
Long-Term Results after Midcarpal Arthrodesis
Publikationsverlauf
Publikationsdatum:
19. Dezember 2012 (online)
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Abstract
Background and Purpose Midcarpal arthrodesis is a well-accepted treatment option for advanced carpal collapse. In this study, we retrospectively assessed survival, analyzed complications and reviewed the long-term follow-up after midcarpal fusion.
Materials and Methods The computerized medical records of 572 patients who had undergone 594 four-corner fusions between 1992 and 2001 were explored. Furthermore 56 patients with 60 midcarpal fusions were randomized for clinical and radiological follow-up at a mean of 14.7 years.
Results Forty midcarpal fusions (6.7%) had to be converted into complete wrist arthrodesis. The reasons were ongoing pain in spite of a well-healed midcarpal fusion (31) or nonunion (9). Sixty-three patients (11%) required revision surgery because of nonunion (22), hematoma (8), wound infection (3) or persisting pain (31). In clinical follow-up the mean Disabilities of the Arm, Shoulder, and Hand (DASH) score was 20.4. Pain at rest was infrequent, a mild increase with daily activity was complained of (mean visual analog scale [VAS] 3.3). The mean active range of wrist motion for extension and flexion, ulnar and radial deviation and supination and pronation reached 62.5%, 68.4%, 94.7%, and mean grip strength 84.9% of the unaffected side. All patients had radiographic abnormalities, with frequent evidence of osteoarthritis of the lunate fossa. Patients with preserved carpal height appeared to have less pain, better DASH scores and a better range of motion.
Conclusions The midcarpal arthrodesis is a long-lasting treatment option for advanced carpal collapse and has good long-term results.
Level of Evidence Level IV, Therapeutic study.
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