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34-year-old female with an ulnar neutral wrist and distal radioulnar joint incongruity
0%
15/3031
34-year-old female with an ulnar positive wrist and distal radioulnar joint incongruity
88%
2663/3031
34-year-old female with an ulnar negative wrist and distal radioulnar joint incongruity
2%
66/3031
78-year-old female with ulnar positive wrist and distal radioulnar joint arthritis
8%
257/3031
78-year-old female with ulnar negative wrist and distal radioulnar joint arthritis
11/3031
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Ulnar shortening osteotomy is the best procedure for young adults with longstanding ulnar sided wrist pain due to ulnar positive variance and associated distal radioulnar joint (DRUJ) incongruity. Ulnar positive variance causes an "ulnar impaction syndrome" as the distal ulnar styloid can cause damage to the triangular fibrocartilage complex (TFCC), and ulnocarpal joint (illustration A.) Advantages of an ulnar shortening osteotomy include preservation of ulnar dome articular cartilage and DRUJ joint, and also tightens the TFCC and ulnocarpal ligaments as the distal ulna is translated and fixed proximally after the osteotomy. It is also important to note that ulnar shortening in the setting of preoperative DRUJ incongruity may simultaneously decrease ulnocarpal abutment and improve congruity at the distal radioulnar articulation. One specific instance in which to avoid an ulnar shortening in an ulnar positive wrist with DRUJ incongruity is a joint with a reverse oblique inclination in the coronal plane. This may create abnormally high radioulnar contact and may lead to joint degeneration
3.8
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