The name radialization referred to the ulna becoming a radius. īuck-Gramcko described ‘radialization’ in 1985, translocating the carpus to the ulnar side of the ulnar head. Centralization of the wrist is the most common surgical approach for the management of RCH, despite documentation showing high recurrence of radial deviation, growth arrest of the distal ulnar physis and wrist stiffness. The growth rate in RCH has been shown to be three quarters to half of that of the normal ulna. Children with RCH have functional deficits due to the wrist deviation, lower grip strength, shortness of the forearm and thumb absence or dysfunction. RCH can be associated with other congenital deformities or can occur as an isolated defect. It is often associated with radial ray deficiency. Radial Club Hand (RCH) is a rare condition occurring in 1:30,000 to 1:100,000 live births. Longer-term follow-up is needed to fully evaluate this procedure. The results presented are preliminary but promising. (4) Conclusions: This new version of ulnarization may solve the problem of the ulna growing past the carpus creating a prominent ulnar bump. There were no recurrent radial deviation deformities more than 15° of the HFA. The mean ulna growth was 1.3 cm per year (range 0.2–2 cm). (3) Results: In all 17 patients, the mean HFA (hand–forearm-angle) correction was 68.5° (range 12.2°–88.7°). (2) Methods: Between 20, 22 radial club hands in 17 patients were surgically corrected with this modified version of ulnarization. While still ulnar to the wrist center, the center of the wrist remains ulnar to the ulnar head, with the ulnar head articulating directly with the trapezoid and when present the trapezium. To finally remedy this problem, a third generation of ulnarization was developed to keep the ulnar head contained. (1) Background: Patients treated with the two previous generations of ulnarization developed a bump related to the ulnar head becoming prominent on the radial side of the hand.
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