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LIGAMENT INJURIES 

PROXIMAL INTERPHALANGEAL LIGAMENTS

Partial or complete tears of the proximal interphalangeal ligaments are quite common, due to forced angulation of the joint. Mild sprains require no treatment but with more severe injuries the finger should be splinted in extension for 2 or 3 weeks, If the joint is frankly unstable, especially the index and middle which oppose load from the thumb, repair is considered.

Occasionally, the bone to which the ligament is attached is avulsed; if the fragment is markedly displaced (and large enough), it should be re-attached. The patient must be warned that the joint is likely to remain swollen and slightly painful for at least 6–12 months. If the instability persists – which is rare – it can be treated by using spare tendon (e.g. palmaris longus) for reconstruction.

---from 《Apley’s System of Orthopaedics and Fractures》

重點詞匯整理：

 frankly  /?fr??kli/adv. 坦率地；老實說

palmaris longus掌長肌

百度翻譯：

韌帶損傷

近端指間韌帶損傷

由于關節(jié)被迫成角，近端顳下頜韌帶部分或完全撕裂是相當常見的。輕度扭傷無需治療，但傷勢較重者，手指應延長用夾板固定2或3周，如果關節(jié)明顯不穩(wěn)定，尤其是食指和中指與拇指承受的負荷相反，則應考慮修復。

偶爾，與韌帶相連的骨頭會撕裂；如果碎片明顯錯位（足夠大），則應重新附著。必須提醒患者，關節(jié)可能會持續(xù)腫脹和輕微疼痛至少6-12個月。如果不穩(wěn)定持續(xù)存在（這種情況很少見），可以通過使用備用肌腱（如掌長?。┻M行重建來治療。