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At least 541 records · Page 30Linked to original sources
PubMed1994

Modular shoulder hemiarthroplasty for acute fractures. Surgical considerations.

Displaced fractures of the proximal humerus with concomitant comminution, interruption of vascular supply, and articular incongruity often require prosthetic replacement for successful treatment. In these difficult cases, the success of prosthetic replacement is dependent on proper patient selection, appropriate surgical technique, and a well-supervised postoperative rehabilitation program. Careful surgical technique should ensure proper placement of the humeral component at the correct height and version, and proper position and fixation of the displaced tuberosities. Supervised rehabilitation emphasizing early range of motion and strength when the tuberosities have healed improves results. The authors found that a modular design humeral implant allows for improved tensioning of the soft tissues and reconstruction of the tuberosities.

Arthroplasty↗
PubMed2006

Clinical evaluation of a new custom offset shoulder prosthesis for treatment of complex fractures of the proximal humerus.

Primary hemiarthroplasty of the shoulder is an accepted procedure to treat complex proximal humeral fractures. The goal of this study was to assess the functional outcome in patients treated with hemiarthroplasty using a custom offset shoulder prosthesis, either for an acute four-part fracture of the proximal humerus or following failed primary treatment of a complex humeral fracture. Thirty seven patients were followed up for a mean of 17 months after shoulder replacement (Group A: four-part-fractures; n = 26, Group B: posttraumatic necrosis/non-union after failed primary treatment; n = 11). The Constant-Murley-Score and radiological score according to Neer's classification were used for postoperative functional and radiological assessment. Following hemiarthroplasty, Group A achieved an average Constant Score of 52 and Group B of 46. The pain relief after hemiarthroplasty was about 53% in Group A and only 33% in Group B. The least satisfying partial function was shoulder mobility in both groups. Radiographic evaluation did not correlate with the Constant Score. Patients secondarily treated with arthroplasty seem to have less chance to achieve a satisfying functional outcome compared to those with immediate hemiarthroplasty. These results emphasise the importance of a careful initial decision to select the most appropriate treatment modality in complex fractures of the proximal humerus.

Aged↗
PubMed1992

[Complex injuries of the proximal humerus treated with humeral head prosthesis. Apropos of 21 cases reviewed after a median 4-year follow-up].

Of a total of 35 complex fractures of the upper humeral epiphysis treated by Neer arthroplasty, 21 were evaluated at a mean of 4 years after operation. The shoulder function according to Constant was 70% of the contralateral one. The internal and external rotations were rarely symmetric. Clinical improvement was possible during the first 2 years. Late breakage and migration of wires used to fix the tuberosities caused failure of this method of fixation. Dynamic radiographs revealed significant gleno-arthroplastic movement and a constant medialization of the prosthetic humerus.

Adult↗
PubMed1993

Proximal humeral fractures. Management techniques and expected results.

During a ten-year period (1978-1988), 143 of 1386 patients with proximal humeral fractures were treated with internal osteosynthesis. Ninety-seven proximal humeral osteosynthesis cases had adequate documentation, and 77 (80%) were available for clinical review. The 97 fractures were graded by the AO/ASIF classification and included 44 Group A, 32 Group B, and 21 Group C fractures. Exercise-stable osteosynthesis using T-plate, cloverleaf plate, or small condylar plate was performed in 70% of patients. In the remaining patients, a less rigid fixation, with Kirschner wires or screws and cerclage wires, was used. Fifty-two percent of the patients had excellent and good results, 15% had fair results, and 33% had poor results. Most poor results occurred in patients with four-part fractures (61% of poor results). Of the cases involving four-part fractures, however, 22% had an excellent result after internal fixation. Displaced four-part fractures or fracture-dislocations should be treated by reconstruction of the proximal humerus, especially in young patients. The use of minimal fixation rather than rigid fixation is considered after careful assessment of the condition of the soft tissue and blood supply of the humeral head fragments. Primary treatment with endoprostheses is required when internal fixation is impractical in AO/ASIF fracture Types C 2/3 and C3 fractures. Improved clinical results may be achieved, particularly in the more severe fracture types, with increased experience in techniques of internal fixation of proximal humeral fractures.

Female↗
PubMed1996

[Modified treatment concept in fractures of the humeral head in elderly patients].

Between 1990 and 1994, 94 patients over 65 years with subcapital humerus fractures were treated by plate osteosynthesis. All patients were operated on within 48 h after trauma. Intensive physical exercising was begun in the early postoperative period. Three months after the operation all osteosynthesis materials were removed with differentiated treatment of the subacromial area. If deemed necessary on the basis of the intraoperative findings (i.e. symptoms of impingement) treatment included a Neer acromioplasty. Sixty-nine of the 94 patients were followed up, including clinical, radiological and ultrasonographic examinations. Twenty-two patients showed an excellent, 26 a good, 9 a satisfactory and 12 an unsatisfactory result, i.e. in more than 82% of patients functional result was excellent to satisfactory. Therefore, we recommended plate osteosynthesis of subcapital humerus fractures in the elderly, in combination with our standard postoperative regimen.

Aged↗
PubMed1987

Displaced proximal humeral fractures. Selecting treatment, avoiding pitfalls.

This article, based on years of modified classification of displaced proximal humeral fractures, presents the treatment alternative for each type of injury and the problems to be avoided with each method. The authors recommend reduction and fixation in active patients with displaced proximal humeral fractures. Percutaneous pin fixation for two-part fractures, tension band fixation for three-part fractures, and hemiarthroplasty for four-part fractures are advocated.

Aged↗
PubMed1975

[Internal fixation in the presence of soft-tissue damage in childhood (author's transl)].

Internal fixation is considered for the treatment of 10 percent at most of all fractures that occur in childhood. Only minimal fixation should be applied, to avoid the induction of an epiphyseal lesion in addition to the original fracture. Internal fixation allowing stability during weight-bearing or exercise immediately is not necessary in a child. Concomitant soft-tissue damage hardly affects internal fixation in childhood, except in the case of unstable reduction when there is extensive soft-tissue damage.

Age Factors↗
PubMed2003

[Proximal humeral fracture in the elderly. Primary head replacement as one alternative].

The treatment of humeral fractures in old patients is still an orthopedic problem. Different surgical schools suggest different treatments for head-preserving procedures. Because of new implants and functionally disappointing results in primary hemiarthroplasty, the indication for hemiarthroplasty was examined more critically. The decision of which procedure to choose is complicated by the lack of proper studies with comparable fracture types and enough cases regarding the specific problems of operative fracture treatment in the elderly. Correctly, besides range of movement, the number of necessary reoperations, length of time until pain reduction, and earliest possible axial weight-bearing of the injured limb should influence the therapeutic decision. Regarding all these topics, primary hemiarthroplasty in old patients and specific fracture situations is still to be recommended.

Age Factors↗
PubMed1995

The application of the limited contact dynamic compression plate in the upper extremity: an analysis of 114 consecutive cases.

We sought to assess the clinical effectiveness of a new plate design which offers improved biological and biomechanical features, the limited contact dynamic compression (LCDC) plate. We analysed 114 LCDC plates applied consecutively for upper extremity fractures or reconstruction in 94 patients. Three patients were lost to follow-up, leaving 111 plates in 91 patients followed to definitive fracture/osteotomy outcome. Thirty-seven plates were applied for reconstruction in 35 patients, including 11 where standard implants had failed. Fifty-six patients had 74 plates applied for acute fractures including 12 open fractures, 23 multiply injured patients, 26 patients with concomitant fractures and seven associated neurovascular injuries. All patients were followed to definitive outcome. Union was achieved at an average of 10.7 weeks in 105 platings, while three delayed unions eventually united without further intervention, an overall union rate of 108/111, or 97.3 per cent. There were no mechanical failures of the plates or screws. In this large series a union rate of 97.3 per cent with no implant failures confirms its clinical application for traumatic and reconstructive problems in this area. Improved contouring, easier screw placement, decreased interference with cortical bone blood flow and excellent union rates are definite short-term advantages. Theoretical long-term benefits of decreased stress-shielding and lower refracture rates will require longer follow up.

Adolescent↗