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Treatment of three- and four-part fractures of the proximal humerus with a modified cloverleaf plate.

Twenty-six patients, ranging in age from 19 to 62 years (average 55), were evaluated an average of 6 years and 2 months (range 1-12 years) after open reduction and internal fixation of a three- or four-part fracture of the proximal humerus using a modified cloverleaf plate. Six patients had an associated dislocation of the humeral head. All fractures healed. No avascular necrosis of the humeral head was observed at follow-up. Twenty-two patients had an excellent result, two a good result, and two a fair result. The modified cloverleaf plate proved to be an excellent method for the treatment of proximal humerus fractures. Open reduction and internal fixation of three- and four-part fractures of the proximal humerus should be considered as initial treatment by an experienced surgeon, oven before use of a prosthetic replacement, which is recommended only for elderly patients with osteopenia.

Adult↗

Spiral bundle nailing for subcapital humeral fractures: preliminary report of the method of Henning.

This is a preliminary report of 31 patients treated with Henning's spiral bundle nails for subcapital humeral fractures. Complications included motion restriction at the elbow joint (n = 4), elbow pain caused by pin migration (n = 2), misalignment attributable to incorrect reduction (n = 4), and redislocation attributable to improper technique (n = 1), humeral head perforation (n = 3), caudal subluxation of the humeral head (n = 3), and local infections at the insertion site (n = 1). Immobilization was 3 weeks on average. By using the scoring scheme of Constant and Murley, 11 patients showed a moderate result, whereas 19 patients had an excellent outcome.

Adult↗

[Fractures of the proximal end of the humerus treated by the Kapandji centro-medullary nailing technic. A review of 21 cases].

Over a 7 years period (from September 1989 to April 1996), 25 patients have been treated for proximal humeral fractures using Kapandji's method of internal fixation. Twenty-one were available for evaluation. The mean follow-up was 3 years 9 months. Various indications were found, with a majority of 2 and 3-part fractures. Complications were frequent, the most common being pin migration, but the functional results following Constant scores are very good. The technique is easy, quick, non- invasive and inexpensive. The approach is direct and avoids opening the elbow joint.

Adolescent↗

The floating shoulder: a biomechanical basis for classification and management.

BACKGROUND: The floating shoulder (ipsilateral fractures of the clavicular shaft and the scapular neck) is thought to be an unstable injury pattern requiring operative stabilization in most instances. This recommendation has been made with little biomechanical data to support it. The purpose of this study was to determine the osseous and ligamentous contributions to the stability of experimentally created scapular neck fractures in a cadaver model. METHODS: Standardized scapular neck fractures were made in twelve fresh-frozen human cadaveric shoulders. Each specimen was mounted in a specially designed testing apparatus and secured to a standard materials testing device. In group 1 (six shoulders), resistance to medial displacement was determined following sequential creation of an ipsilateral clavicular fracture, coracoacromial ligament disruption, and acromioclavicular capsular disruption. In group 2 (six shoulders), resistance to medial displacement was determined following sequential sectioning of the coracoacromial and coracoclavicular ligaments. RESULTS: The average measured force for all specimens (groups 1 and 2) after scapular neck fracture was 183 +/- 3.3 N (range, 166 to 203 N). The addition of a clavicular fracture (group 1) resulted in an average measured force of 128 +/- 10.5 N (range, 83 to 153 N), which corresponds to only a 30% loss of stability. Subsequent sectioning of the coracoacromial and acromioclavicular capsular ligaments yielded an average force of 126 +/- 9.1 N (range, 114 to 144 N), a 31% loss of stability, and 0 N, a complete loss of stability, respectively. Sectioning of the coracoacromial and coracoclavicular ligaments after scapular neck fracture (group 2) resulted in an average force of 103 +/- 8.4 N (range, 89 to 118 N), a 44% loss of stability, and 0 N, a complete loss of stability, respectively. CONCLUSIONS: Ipsilateral fractures of the scapular neck and the clavicular shaft do not produce a floating shoulder without additional disruption of the coracoacromial and acromioclavicular capsular ligaments. These and other unstable combined injury patterns are likely to be accompanied by substantial medial displacement of the glenoid fragment.

Aged↗

The Neer classification of fractures of the proximal humerus. An assessment of interobserver variation.

The reliability of the Neer classification of proximal fractures of humerus was examined by determining the agreement between pairs of observers using weighted kappa statistics. Anteroposterior and lateral radiographs of 100 surgical neck fractures were grouped independently by four observers. A low degree of agreement was found, especially between the most inexperienced observer and the rest. Considering the therapeutic consequences of a correct classification, these fractures should be assessed by experienced orthopedic surgeons or radiologists.

Humans↗

Rotator cuff alterations resulting from humeral head fractures.

Most complex humeral head fractures are associated with a longitudinal tear of the rotator cuff. Reconstruction of this tear is frequently omitted from surgical reduction and fixation procedures. In 48 patients treated by surgery or by conservative means, we investigated the relationship between rotator cuff integrity and the functional results. The rotator cuff was assessed by ultrasonography, the functional results by the Constant Score. Common signs of rotator cuff alterations were partial or complete atrophy. In all patients affected, a longitudinal defect located at the rotator interval was detected. A classification of rotator cuff alterations resulting from humeral head fractures was introduced, yielding three categories: none, moderate, or severe. In three patients, sonographic results were confirmed by magnetic resonance imaging (MRI). Rotator cuff alterations were often associated with displaced consolidation results. Furthermore, the integrity of the rotator cuff significantly correlated with the function achieved. The results support the need for a careful rotator cuff repair in order to optimise treatment results.

Adult↗

Non-union of a fractured coracoid process after dislocation of the shoulder. A case report.

A patient with a fractured coracoid process in association with a dislocation of the shoulder is reported. The fracture was not recognised initially, and early mobilisation was encouraged; the widely separated fracture did not heal and a painful pseudarthrosis developed. We believe that this association may not be as rare as generally supposed, and emphasise the importance of careful clinical examination in patients with shoulder dislocation. If a coracoid fracture is suspected, lateral or oblique radiographs should be taken to confirm the diagnosis. A further radiograph after reduction is a useful precaution.

Fractures, Ununited↗

Nonarthroplasty treatment of glenohumeral cartilage lesions.

Treatment of young, active persons with symptomatic cartilage lesions of the glenohumeral joint represents a significant challenge. Diagnosis of glenohumeral chondral defects is not always straightforward and effective treatment requires familiarity with a number of techniques. Low-demand individuals may accept palliative therapy in the form of arthroscopic debridement as a temporizing solution. However, younger, high-demand individuals require a careful, stepwise approach that includes reparative, restorative, and reconstructive strategies. Reparative strategies use marrow-stimulation techniques to induce formation of fibrocartilage. Restorative tactics attempt to replace damaged cartilage with hyaline or hyaline-like tissue using osteochondral or chondrocyte transplantation. Large lesions that are not candidates for reparative or restorative procedures can be approached using reconstruction methods such as biologic resurfacing. This review examines causes of chondral injury in the glenohumeral joint, discusses diagnostic strategies, and presents a practical framework including palliative, reparative, restorative, and reconstructive options with which one can formulate a treatment plan for these patients.

Adrenal Cortex Hormones↗

[The angle stable locking-proximal-humerus-plate (LPHP) for proximal humeral fractures using a small anterior-lateral-deltoid-splitting-approach - technique and first results].

The Locking-Proximal-Humerus-Plate (LPHP) was slided from proximally to distally through a small anterior-lateral-deltoid-splitting-approach following a closed reduction. Additional tension band wiring for the rotator cuff was fixed at the plate after screw insertion. The prospective study included 35 patients (age median: 63 years, range: 33-92; male: 13, female: 22) from 08/01-05/02. The follow-up period was set to 3 months postoperatively, whereas 29 patients were able to attend. The patient-group with 2-part fractures (n = 8) showed an average Constant score of 77.6 points (+/- 10.7, "good"), the patients with 3-part fractures (n = 16) an average score of 75.1 points (+/- 14.4, "good") and the patients with 4-part fractures (n = 5) an average score of 64.8 points (+/- 10. 4, "moderate"). Specific, approach-related problems were not observed. Almost all fractures revealed bony union during the first 3 months and only one loss of reduction was found. A screw loosening in 2 cases and a break of the plate in 3 cases were seen as implant related problems, and furthermore in 5 cases the screws placed in the humeral head were too long. Only one early re-osteosynthesis with the same plate was necessary due to an initial non-correct reposition. As demonstrated by these good short-term results, this technique seems to be a suitable procedure for displaced humeral head fractures.

Adult↗

Prognostic factors in prosthetic replacement for acute proximal humerus fractures.

OBJECTIVES: To investigate the effect of some epidemiological and radiologic factors on the outcome of prosthetic replacement in acute proximal humerus fractures. DESIGN: Retrospective clinical study. PATIENTS: Thirty-two patients [mean age 58 (range 37-83 years)] with a mean follow-up period of 35 months (range 8-80 months). Fifteen cases had Neer type IV, 2 had type III, and 15 patients had fracture-dislocations. MAIN OUTCOME MEASUREMENTS: Neer's criteria, Constant score, and elevation degree were used. Radiological parameters were union and position of the tuberosities, bone stock, and position of the prosthesis. RESULTS: Excellent or good results according to Neer's criteria were obtained in 24 of the 32 cases (75%), and unsatisfactory results in 8 cases (25%). Mean Constant score was 68 (range 19-98) and mean elevation degree 113 (range 30-180). Thirty-one cases (97%) had no or mild pain. Cases operated within 14 days following injury had a better general outcome (p = 0.005). The humeral offset was directly correlated to the elevation degree (p = 0.011) and Constant score (p = 0.002), whereas the head height was inversely correlated to the same parameters (p = 0.001 for both). The cutoff point for the humeral offset-general outcome correlation was calculated as 23 mm using ROC curve analysis. The most common complications were problems concerning the tuberosities (50%), and they adversely affected the clinical outcome (p = 0.002). CONCLUSIONS: Preoperative delay, problems of tuberosity fixation, and position of the tuberosities were parameters influencing the clinical outcome. Lateralization of the tuberosities results in better scores, whereas their distal transfer can be related to a poorer outcome.

Adult↗