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A capsular-based vascularized distal radius graft for proximal pole scaphoid pseudarthrosis.

PURPOSE: To evaluate the clinical results of the application of a capsular-based dorsal distal radius vascularized bone graft in scaphoid proximal pole nonunions. METHODS: Thirteen patients with symptomatic nonunion at the proximal pole of the scaphoid (10 with avascular necrosis) were treated and reviewed retrospectively. The vascularized bone graft was harvested from the distal aspect of the dorsal radius and was attached to a wide distally based strip of the dorsal wrist capsule. It was inserted press-fit into a dorsal trough across the nonunion site after scaphoid fixation with a Herbert screw. RESULTS: After a mean follow-up period of 19 months 10 of the 13 nonunions (8 of the 10 with avascular necrosis) achieved solid bone union. No complications other than the 3 persistent nonunions occurred. CONCLUSIONS: Results of the use of a capsular-based vascularized bone graft from the distal radius for proximal pole scaphoid nonunions compare favorably with the results of pedicled or free vascularized grafts. It is a simple technique that eliminates the need for dissection of small-caliber pedicle or microsurgical anastomoses. No donor site morbidity was observed. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic, Level IV.

Adult↗

[Surgery for pseudarthrosis of humeral shaft fractures: a retrospective series of 21 cases].

INTRODUCTION: The morbidity of surgery for non-union of the humerus is not insignificant: the aims of this retrospective study were to study the results of these rather difficult procedures and to make some logical suggestions regarding surgical technique. PATIENTS AND METHODS: Between 1996 and 2000, 21 patients had a surgical procedure for non-union of the humeral shaft. At follow-up, the mean age was 40 years. The causes of the initial trauma were: 12 road accidents, seven standing height falls, one fall from a window, one farm machine accident. The commonest fracture site was the middle third. In 17 procedures, we performed plate osteosyntesis. Three patients were treated by external fixator because of infection. In one patient we used a nail. For the follow-up evaluation, we used the score of the Western Orthopaedic Society. RESULTS: According to the "WOS" score evaluation, we noted: ten very good results, five good results, three poor results and one bad result. The bad result corresponded to the patient in whom consolidation was not obtained. DISCUSSION AND CONCLUSION: Management of non-union of the humerus should be by immediate surgery. The best treatment of non-union of the humerus is its prevention by correct management of the initial fracture.

Adult↗

Surgical treatment of scaphoid pseudarthrosis: evaluation of the results after soft tissue arthroplasty and inlay bone grafting.

A retrospective study of the results after surgical treatment of scaphoid nonunion in two orthopedic centers is described. One center used Bentzon 's soft tissue-arthroplasty method in 15 cases, and the other center used Matti - Russe bone grafting procedure in 32 cases. Of these 47 cases, 46 had established pseudarthroses. The clinical results were similar in both methods (average follow-up time: 61.4 and 44.0 months, respectively). Soft tissue arthroplasty permitted an earlier return to work, but the risk of long-term degenerative changes developing cannot yet be excluded.

Adolescent↗

[Compression of the brachial plexus by a pseudarthrosis of the 1st rib].

The authors have described the case of a thoracic outlet syndrome with costoclavicular compression of the brachial plexus, secondary to non-union of a first rib fracture. Treatment consisted in transaxillary removal of the first rib, as described by Roos. Intrafascicular neurolysis of the posterior and medial trunks was performed at the same time, and was followed by quick clinical and electromyographical recovery.

Adult↗

Pseudarthrosis of the capitate.

Nonunion of an isolated fracture of the capitate is an infrequent condition. The authors present a patient who had few symptoms. Computed tomography showed more bone destruction than the standard X-ray. The nonunion healed with the use of a cancellous bone graft.

Adult↗

[Proximal scaphoid pseudarthrosis--reconstruction by dorsal bone screw and spongiosa transplantation].

Stable fixation of small proximal pole nonunions of the scaphoid by conventional techniques of bone grafting remains difficult. Because of this, long-lasting immobilisation is necessary. Treatment by retrograde Herbert-screw fixation offers the possibility of stable osteosynthesis resulting in shorter immobilisation. Even in case of avascular proximal fragments, it allows healing of the nonunion. We report on the 29 months follow-up of 23 patients treated in this manner showing bony consolidation in 17 cases (74%). Four patients demonstrated fibrous nonunion with minor symptoms, and in two patients persistent nonunion with slight impairment was seen. Evaluation with the DASH-questionnaire revealed slight disability with an average score of ten points. The availability of the mini-Herbert-screw has improved this treatment concept.

Adult↗

[Scaphoid pseudarthrosis of the proximal third--results of treatment with the Herbert screw].

Purpose of this study was to assess the value of the Herbert screw used with iliac crest cancellous bone graft for treatment of scaphoid nonunion in the proximal third. From 1986 to 1996, 75 patients underwent this procedure. We followed-up on 67 of them using the Martini score, which covers pain, grip strength and social activities, range of motion, X-ray results, individual, clinical and overall assessment. We found 57 patients (85.1%) with a good to excellent outcome, eight patients (11.9%) with satisfactory results and two patients with a poor result. We conclude that the Herbert screw with or without cancellous bone graft should be the first choice for surgical treatment of non-union located in the proximal third of the scaphoid bone.

Adult↗