Editorial Commentary: Arthroscopic Capsular Repair of Wrist Triangular Fibrocartilage Complex Tears: Beware That Apparent Isolated Atzei Class 1 (Isolated Distal Component) Tears May Include a Proximal Component |
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| Institution: | 1. Steadman Clinic, Vail, Colorado, U.S.A.;2. Steadman Philippon Research Institute, Vail, Colorado, U.S.A.;3. United States Coalition for the Prevention of Illness and Injury in Sport, Vail, Colorado, U.S.A.;1. Department of Orthopaedic Surgery, Naval Medical Center San Diego, San Diego, California, U.S.A.;2. University of Iowa Sports Medicine, Iowa City, Iowa, U.S.A.;3. Mayo Clinic Arizona, Phoenix, Arizona, U.S.A.;4. University of Wisconsin Health at the American Center, Madison, Wisconsin, U.S.A.;5. Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, North Carolina, U.S.A.;6. AZBSC Orthopedics, Scottsdale, Arizona, U.S.A.;7. ProOrtho Surgeons |
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| Abstract: | Accumulating knowledge about the anatomy of the triangular fibrocartilage complex (TFCC) and its function has revealed that the foveal insertion of the TFCC plays a key role in distal radioulnar joint stability rather than the superficial fibers that insert into the ulnar styloid. Recently, the interest in torn peripheral TFCC repair has been shifting from capsular repair for Atzei class 1 to foveal repair for Atzei class 2 or 3. Most acute Atzei class 1 tears spontaneously heal without surgical repair; in contrast, in cases of sustained pain and distal radioulnar joint instability even after successful Atzei class 1 repair, the unrecognized proximal component TFCC tear concomitant with a distal component TFCC tear may exist and appropriate treatment for the proximal component TFCC tear should be combined. Although overall successful results have been reported using various repair techniques, the most important consideration is re-establishing biologic regeneration potential at the insertion site of torn TFCC. |
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