[Picture of the month: Hill-Sachs lesion].
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Complex injuries of the shoulder are comparatively rare. Within the field of complex shoulder injuries this article particularly deals with the diagnosis and therapy of the "floating shoulder injury" as a review article. This term describes a discontinuation of the osseus and soft tissue suspension of the upper extremity from the axial skeleton. By literature review and involvement of recent biomechanical studies this article will show the injury patterns that lead to instability of the shoulder girdle and the therapeutic to be employed in respective cases. Key words: shoulder, floating shoulder, clavicle fracture, scapula fracture.
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The management of premature physeal arrest requires accurate assessment of not only the location but also the extent of the bar. Numerous imaging techniques are available to evaluate the physis. Multiplanar tomography has proven to be the most precise method. The utility of magnetic resonance imaging (MRI) of physeal bars has not been demonstrated. This article presents MRI results in two cases of physeal bars. MRI provides a means of assessing physeal bar formation with an accuracy approaching that of multiplanar tomography. In certain instances, its efficacy may exceed that of tomography, specifically when the physis cannot be properly oriented for tomographic evaluation, when more planes are desired, and when radiation exposure is thought to be excessive. With improvement of its capabilities and availability (which may also reduce cost), it may become the diagnostic imaging technique of choice.
We report a series of 12 cases of isolated lesions of the axillary nerve treated surgically. We discuss the pathogenesis, clinical pattern, and surgical treatment of this lesion together with the results obtained.
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A modified technique of reinsertion of the capsule to the bony rim of the glenoid was developed and performed in 57 patients with recurrent anterior dislocation of the shoulder joint. The technique is described in detail. The principal idea of this modified technique is to suture the lateral flap of the capsule into a small sulcus, which is chiselled into the transition zone between the cartilage of the joint and the bony rim of the glenoid. From the bottom of the sulcus four holes are drilled just below the corticalis of the glenoid rim with a dental drill. The capsule is fixed by two U-sutures transosseously. The advantages of this technique are: (1) stable capsular barrier along the rim of the glenoid reinserted by two strong U-sutures; (2) no step between the cartilage of the joint and the reinserted capsule (a Hill-Sachs lesion cannot hook in at the Bankart lesion); (3) the sutures are extra-articular; (4) the lateral flap of the capsule must not be shortened, and therefore full shoulder motion can be obtained; (5) the tendon of the subscapularis muscle is restored to its original position on the lesser tuberosity; (6) a short period of postoperative immobilization. In accordance with the standard rating scale of Rowe, 31 patients were graded as having excellent results, 8 good, none fair, and none poor.
Subacromial bursography was performed on 250 patients with following results. Bursographically, the subacromial bursa was found to have three intercommunicating portions with various frequency; subacromial, subdeltoid and subcoracoid. In complete rotator cuff ruptures, the contrast medium leaked into the shoulder joint. In 'frozen shoulder' the subacromial bursa is reduced in size according to the degree of contracture. The intrabursal injections of steroid hormone and Lidocaine proved to have definite therapeutic and pain alleviating effects.
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A retrospective study was conducted on all patients injured in a motorcycle accident who were admitted to the authors' institution during a one-year period. The 71 patients evaluated averaged 26 years of age; 79% were men, 75% were not wearing a helmet, and 24% were legally intoxicated. Sixty-six percent required surgical intervention and 36% a second procedure. There were 167 fractures, with an average of 2.4 per patient. The 27 patients requiring a blood transfusion averaged 10.5 units per patient. Motorcyclists not wearing a helmet had an increased risk of head injury (p less than .01). Those with head injuries had an increased need for intensive care (p less than .0001) and a ventilator (p less than .001). Patients with head injuries more commonly sustained fractures about the shoulder (p less than .015) than fractures to the lower extremity (p less than .005). The average hospital stay was 13 days, with a cost of $16,408 per patient. The cost was significantly higher in patients with a head injury ($21,945) than in patients without a head injury ($11,941). Patients sustaining a head injury were less likely to return to baseline functioning (p less than .001).
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