Transient postoperative inferior subluxation of the shoulder after surgical stabilization of recurrent anterior dislocation in a patient with myasthenia gravis: a case report.

IF 1.8 Q2 ORTHOPEDICS
Samuel Baek, Geum-Ho Lee, Myung Ho Shin, Tae Min Kim, Kyung-Soo Oh, Seok Won Chung
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Abstract

The authors present a case of transient postoperative inferior subluxation of the shoulder after arthroscopic surgical stabilization for recurrent anterior dislocation. The patient was a 61-year-old woman with myasthenia gravis (MG). The first anterior shoulder dislocation occurred because of a fall to the ground. Despite a successful closed reduction, two more dislocations occurred in 3 weeks. Magnetic resonance imaging revealed an anterior labroligamentous periosteal sleeve avulsion (ALPSA) lesion, an engaging Hill-Sachs lesion, and large tears of the supraspinatus and infraspinatus tendons. The patient underwent arthroscopic rotator cuff repair and ALPSA repair with a remplissage procedure. Intraoperatively, no tendency for instability was found; however, a widened glenohumeral joint space and inferior subluxation of the humeral head without functional compromise was observed on the day after surgery and disappeared spontaneously on radiographs 2 weeks later. To the authors' knowledge, this is the first report documenting the occurrence of transient postoperative inferior subluxation of the shoulder in a patient with MG.

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重症肌无力患者复发性前脱位手术稳定后的一过性下半脱位:一例报告。
作者提出一个病例后一过性下半脱位的肩关节镜手术稳定后复发性前脱位。患者为61岁女性,重症肌无力(MG)。第一例肩关节前脱位是由于摔倒所致。尽管闭合复位成功,但3周内又发生2例脱位。磁共振成像显示前韧带骨膜袖撕脱(ALPSA)病变,累人的Hill-Sachs病变,冈上和冈下肌腱的大撕裂。患者接受了关节镜下肩袖修复和ALPSA修复术。术中未见不稳定倾向;然而,术后第二天观察到肱骨盂关节间隙变宽和肱骨头下半脱位,但没有功能损害,2周后在x线片上自行消失。据作者所知,这是第一个记录MG患者术后发生一过性下半脱位的报告。
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来源期刊
CiteScore
0.30
自引率
0.00%
发文量
55
审稿时长
15 weeks
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