Complications

Rotator cuff syndrome  An acute strain of the acromioclavicular joint is sometimes followed by supraspinatus tendinitis. Whether this is directly due to the primary injury or whether it results from post-traumatic oedema or inflammation of the overlying acromioclavicular  joint  is  unclear.  Treatment  with anti-inflammatory preparations may help. 

Unreduced dislocation  An unreduced dislocation is ugly and sometimes affects function. Simple excision of the distal clavicle will only make matters worse. An attempt should be made to reconstruct the coracoclavicular ligament. The Weaver–Dunn procedure may be suitable (See Figure 24.8).

Ossification of the ligaments  The more severe injuries are quite often followed by ossification of the coracoclavicular ligaments. Bony spurs may predispose to later rotator cuff dysfunction, which may require operative treatment.

Secondary osteoarthritis  A late complication of Type I and II injuries is osteoarthritis of the acromioclavicular joint. This can usually be managed conservatively, but if pain is marked the outer 2 cm of the clavicle can be excised. The patient will be aware of some weakness during strenuous over-arm activities and pain is often not completely abolished.

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

重點詞匯整理：

Rotator cuff 肩袖 旋轉(zhuǎn)肌群/k?f/n. 袖口,，褲子翻邊,；手銬；一巴掌

supraspinatus tendinitis岡上肌肌腱炎 /,tendi'naitis/n. 腱炎

dotted lines點狀虛線

Ossification /?ɑ?s?f??ke??n/n. 骨化,；成骨,；（思想的）僵化

Bony spurs截骨面的新生骨突;骨刺

predispose  /?pri?d??spo?z/vt. 預(yù)先處置；使…偏向于

if pain is marked the outer 2 cm of the clavicle can be excised.如果在鎖骨外2厘米處有疼痛,，可以切除,。

百度翻譯：

并發(fā)癥

肩袖綜合征肩鎖關(guān)節(jié)急性勞損，有時伴有岡上肌炎,。目前尚不清楚這是直接由原發(fā)性損傷所致,，還是由創(chuàng)傷后肩鎖關(guān)節(jié)水腫或炎癥所致。用抗炎藥治療可能有幫助,。

未復(fù)位脫位一個未復(fù)位脫位是丑陋的,，有時影響功能。單純切除鎖骨遠(yuǎn)端只會使情況更糟,。應(yīng)嘗試重建喙鎖韌帶,。Weaver-Dunn程序可能是合適的（見圖24.8）。

韌帶骨化較嚴(yán)重的損傷往往伴隨著喙鎖韌帶骨化,。骨刺可能導(dǎo)致晚期肩袖功能障礙,，需要手術(shù)治療。

繼發(fā)性骨關(guān)節(jié)炎I型和II型損傷的晚期并發(fā)癥是肩鎖關(guān)節(jié)骨關(guān)節(jié)炎,。這通?？梢员Ｊ靥幚恚绻弁词菢?biāo)記的鎖骨外2厘米可以切除,?；颊咴趧×业纳媳刍顒又袝庾R到一些弱點，疼痛通常不會完全消除,。