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Diagnosis and Management of Lunotriquetral Ligament Injuries
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Diagnosis and Management of Lunotriquetral Ligament Injuries
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Journal Article
Diagnosis and Management of Lunotriquetral Ligament Injuries
2023
Overview
Purpose of Review
The standard of care for lunotriquetral ligament injuries is evolving. An understanding of the mechanics of the lunotriquetral ligament and its role in carpal kinematics is critical when deciding how to treat these injuries. Treatment for these injuries varies from nonoperative to wrist arthroscopy with thermal capsulodesis and/or repair to reconstruction or limited arthrodesis. This article provides a review of the anatomy, pathomechanics, evaluation, and ultimately treatment of lunotriquetral ligament injuries.
Recent Findings
Although lunotriquetral ligament injuries can occur in isolation, injuries to the lunotriquetral ligament are often viewed as a component of other injury patterns to the intrinsic and extrinsic ligaments of the wrist. Static volar intercalated segment instability typically occurs when the dorsal radiocarpal ligament is also compromised. If nonoperative treatment fails, arthroscopy is the gold standard for diagnosis even with improving imaging modalities. Recently, authors have proposed employing the technique of ulnar-shortening osteotomy in those with ulnar negative variance and the absence of an impaction lesion. Other newer techniques included bone-ligament-bone reconstruction for chronic, static instability.
Summary
LT injuries rarely occur in isolation. Most injuries involving the lunotriquetral ligament can be treated nonoperatively. Those individuals with persistent pain should be treated with a diagnostic wrist arthroscopy. Primary repairs are indicated in those with an acute, complete tear. In chronic, static instability, ligament reconstruction has been shown to improve wrist function and decrease pain.
Publisher
Springer US,Springer Nature B.V
